2023 |
Kitsoulis, Christos V; Papadogiannis, Vasileios; Kristoffersen, Jon B; Kaitetzidou, Elisavet; Sterioti, Aspasia; Tsigenopoulos, Costas S; Manousaki, Tereza Near-chromosome level genome assembly of devil firefish, Pterois miles Journal Article Peer Community Journal, 3 , pp. e64, 2023, ISSN: 2804-3871. @article{kitsoulis_near-chromosome_2023, title = {Near-chromosome level genome assembly of devil firefish, Pterois miles}, author = {Christos V Kitsoulis and Vasileios Papadogiannis and Jon B Kristoffersen and Elisavet Kaitetzidou and Aspasia Sterioti and Costas S Tsigenopoulos and Tereza Manousaki}, url = {https://imbbc.hcmr.gr/wp-content/uploads/2023/08/2023-Kitsoulis-PeerCJ-43.pdf https://peercommunityjournal.org/articles/10.24072/pcjournal.295/}, doi = {10.24072/pcjournal.295}, issn = {2804-3871}, year = {2023}, date = {2023-08-29}, urldate = {2023-08-31}, journal = {Peer Community Journal}, volume = {3}, pages = {e64}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
2021 |
Doxa, Chrysa K; Sfakianakis, Dimitris; Sterioti, Aspasia; Kentouri, Maroudio Effect of temperature on the development of deformities during the embryonic stages of Charonia seguenzae (Aradas & Benoit, 1870) Journal Article Journal of Thermal Biology, 100 , pp. 103046, 2021, ISSN: 03064565, (AQUA). @article{doxa_effect_2021-1, title = {Effect of temperature on the development of deformities during the embryonic stages of Charonia seguenzae (Aradas & Benoit, 1870)}, author = {Chrysa K Doxa and Dimitris Sfakianakis and Aspasia Sterioti and Maroudio Kentouri}, url = {https://linkinghub.elsevier.com/retrieve/pii/S030645652100214X}, doi = {10.1016/j.jtherbio.2021.103046}, issn = {03064565}, year = {2021}, date = {2021-08-01}, urldate = {2022-01-17}, journal = {Journal of Thermal Biology}, volume = {100}, pages = {103046}, note = {AQUA}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Danis, Theodoros; Papadogiannis, Vasileios; Tsakogiannis, Alexandros; Kristoffersen, Jon B; Golani, Daniel; Tsaparis, Dimitris; Sterioti, Aspasia; Kasapidis, Panagiotis; Kotoulas, Georgios; Magoulas, Antonios; Tsigenopoulos, Costas S; Manousaki, Tereza Genome Analysis of Lagocephalus sceleratus: Unraveling the Genomic Landscape of a Successful Invader Journal Article Frontiers in Genetics, 12 , pp. 2481, 2021, ISSN: 1664-8021. @article{danis_genome_2021, title = {Genome Analysis of Lagocephalus sceleratus: Unraveling the Genomic Landscape of a Successful Invader}, author = {Theodoros Danis and Vasileios Papadogiannis and Alexandros Tsakogiannis and Jon B Kristoffersen and Daniel Golani and Dimitris Tsaparis and Aspasia Sterioti and Panagiotis Kasapidis and Georgios Kotoulas and Antonios Magoulas and Costas S Tsigenopoulos and Tereza Manousaki}, url = {https://imbbc.hcmr.gr/wp-content/uploads/2022/01/2021-Danis-FrontGen-84.pdf https://www.frontiersin.org/article/10.3389/fgene.2021.790850}, doi = {10.3389/fgene.2021.790850}, issn = {1664-8021}, year = {2021}, date = {2021-01-01}, urldate = {2022-01-12}, journal = {Frontiers in Genetics}, volume = {12}, pages = {2481}, abstract = {The Tetraodontidae family encompasses several species which attract scientific interest in terms of their ecology and evolution. The silver-cheeked toadfish (Lagocephalus sceleratus) is a well-known “invasive sprinter” that has invaded and spread, in less than a decade, throughout the Eastern and part of the Western Mediterranean Sea from the Red Sea through the Suez Canal. In this study, we built and analysed the first near-chromosome level genome assembly of L. sceleratus and explored its evolutionary landscape. Through a phylogenomic analysis, we positioned L. sceleratus closer to T. nigroviridis, compared to other members of the family, while gene family evolution analysis revealed that genes associated with the immune response have experienced rapid expansion, providing a genetic basis for studying how L. sceleratus is able to achieve highly successful colonisation. Moreover, we found that voltage-gated sodium channel (NaV 1.4) mutations previously connected to tetrodotoxin resistance in other pufferfishes are not found in L. sceleratus, highlighting the complex evolution of this trait. The high-quality genome assembly built here is expected to set the ground for future studies on the species biology.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The Tetraodontidae family encompasses several species which attract scientific interest in terms of their ecology and evolution. The silver-cheeked toadfish (Lagocephalus sceleratus) is a well-known “invasive sprinter” that has invaded and spread, in less than a decade, throughout the Eastern and part of the Western Mediterranean Sea from the Red Sea through the Suez Canal. In this study, we built and analysed the first near-chromosome level genome assembly of L. sceleratus and explored its evolutionary landscape. Through a phylogenomic analysis, we positioned L. sceleratus closer to T. nigroviridis, compared to other members of the family, while gene family evolution analysis revealed that genes associated with the immune response have experienced rapid expansion, providing a genetic basis for studying how L. sceleratus is able to achieve highly successful colonisation. Moreover, we found that voltage-gated sodium channel (NaV 1.4) mutations previously connected to tetrodotoxin resistance in other pufferfishes are not found in L. sceleratus, highlighting the complex evolution of this trait. The high-quality genome assembly built here is expected to set the ground for future studies on the species biology. |
Doxa, Chrysa K; Sterioti, Aspasia; Divanach, Pascal; Kentouri, Maroudio Effect of temperature on embryonic development of the marine gastropod Charonia seguenzae (Aradas & Benoit, 1870) Journal Article Journal of Thermal Biology, 100 , pp. 103044, 2021, ISSN: 03064565, (AQUA). @article{doxa_effect_2021, title = {Effect of temperature on embryonic development of the marine gastropod Charonia seguenzae (Aradas & Benoit, 1870)}, author = {Chrysa K Doxa and Aspasia Sterioti and Pascal Divanach and Maroudio Kentouri}, url = {https://linkinghub.elsevier.com/retrieve/pii/S0306456521002126}, doi = {10.1016/j.jtherbio.2021.103044}, issn = {03064565}, year = {2021}, date = {2021-01-01}, urldate = {2022-01-17}, journal = {Journal of Thermal Biology}, volume = {100}, pages = {103044}, note = {AQUA}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
2020 |
Tarifa, Georgia; Sterioti, Aspasia; Chatzifotis, Stavros; Kentouri, Maroudio Using Artificial Feeds for the Culture of the Sea Urchin Paracentrotus Lividus (Echinodermata, Echinoidea) Journal Article Journal of Aquatic Sciences and Oceanography, 1 (2), pp. 1–10, 2020. @article{tarifa_using_2020, title = {Using Artificial Feeds for the Culture of the Sea Urchin Paracentrotus Lividus (Echinodermata, Echinoidea)}, author = {Georgia Tarifa and Aspasia Sterioti and Stavros Chatzifotis and Maroudio Kentouri}, year = {2020}, date = {2020-01-01}, journal = {Journal of Aquatic Sciences and Oceanography}, volume = {1}, number = {2}, pages = {1--10}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
2019 |
Chatzinikolaou, Eva; Grigoriou, Panos; Martini, Evangelia; Sterioti, Aspasia Impact of ocean acidification and warming on the feeding behaviour of two gastropod species Journal Article Mediterranean Marine Science, 20 (4), pp. 669, 2019, ISSN: 1791-6763, 1108-393X. @article{chatzinikolaou_impact_2019, title = {Impact of ocean acidification and warming on the feeding behaviour of two gastropod species}, author = {Eva Chatzinikolaou and Panos Grigoriou and Evangelia Martini and Aspasia Sterioti}, url = {https://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/19187}, doi = {10.12681/mms.19187}, issn = {1791-6763, 1108-393X}, year = {2019}, date = {2019-12-01}, urldate = {2020-08-20}, journal = {Mediterranean Marine Science}, volume = {20}, number = {4}, pages = {669}, abstract = {Increased atmospheric CO2 produced by anthropogenic activities will be absorbed by the oceans over the next century causing ocean acidification and changes in the seawater carbonate chemistry. Elevated CO2 causes sublethal physiological and behavioural responses on the locomotion and foraging behaviour of marine organisms. This study aims to investigate the independent and synergistic effects of long term exposure to low pH and increased temperature on the feeding behaviour of two gastropod species, Hexaplex trunculus and Nassarius nitidus, both in adults and juveniles. Gastropods were maintained under controlled conditions of temperature (ambient = 20°C}, keywords = {}, pubstate = {published}, tppubtype = {article} } Increased atmospheric CO2 produced by anthropogenic activities will be absorbed by the oceans over the next century causing ocean acidification and changes in the seawater carbonate chemistry. Elevated CO2 causes sublethal physiological and behavioural responses on the locomotion and foraging behaviour of marine organisms. This study aims to investigate the independent and synergistic effects of long term exposure to low pH and increased temperature on the feeding behaviour of two gastropod species, Hexaplex trunculus and Nassarius nitidus, both in adults and juveniles. Gastropods were maintained under controlled conditions of temperature (ambient = 20°C |
Doxa, Chrysa K; Sterioti, Aspasia; Divanach, Pascal; Kentouri, Maroudio Reproductive behavior of the marine gastropod Charonia seguenzae (Aradas & Benoit, 1870) in captivity Journal Article Mediterranean Marine Science, 2019, ISSN: 1791-6763, 1108-393X. @article{doxa_reproductive_2019, title = {Reproductive behavior of the marine gastropod Charonia seguenzae (Aradas & Benoit, 1870) in captivity}, author = {Chrysa K Doxa and Aspasia Sterioti and Pascal Divanach and Maroudio Kentouri}, url = {https://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/14917}, doi = {10.12681/mms.14917}, issn = {1791-6763, 1108-393X}, year = {2019}, date = {2019-01-01}, urldate = {2022-02-22}, journal = {Mediterranean Marine Science}, abstract = {The reproductive behavior of the gastropod Charonia seguenzae (Aradas & Benoit, 1870) was studied through the description of 19 copulation and 21 egg laying events of 134 wild individuals. Findings in the present study regarding a part of the reproduction temperature range (20 to 23oC) and the demonstration of maternal care provided important information on their biology, behavior and ecology. Furthermore, observed polyandry by the females and collaborative care of embryonic sacks, were two aspects of the species reproductive biology that pose new questions both at ecological and evolutionary level.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The reproductive behavior of the gastropod Charonia seguenzae (Aradas & Benoit, 1870) was studied through the description of 19 copulation and 21 egg laying events of 134 wild individuals. Findings in the present study regarding a part of the reproduction temperature range (20 to 23oC) and the demonstration of maternal care provided important information on their biology, behavior and ecology. Furthermore, observed polyandry by the females and collaborative care of embryonic sacks, were two aspects of the species reproductive biology that pose new questions both at ecological and evolutionary level. |
2018 |
Tsakogiannis, A; Manousaki, T; Lagnel, J; Sterioti, A; Pavlidis, M; Papandroulakis, N; Mylonas, CC; Tsigenopoulos, CS The transcriptomic signature of different sexes in two protogynous hermaphrodites: Insights into the molecular network underlying sex phenotype in fish Journal Article Scientific reports, 8 (1), pp. 3564, 2018, (Publisher: Nature Publishing Group). @article{tsakogiannis_transcriptomic_2018, title = {The transcriptomic signature of different sexes in two protogynous hermaphrodites: Insights into the molecular network underlying sex phenotype in fish}, author = {A Tsakogiannis and T Manousaki and J Lagnel and A Sterioti and M Pavlidis and N Papandroulakis and CC Mylonas and CS Tsigenopoulos}, year = {2018}, date = {2018-01-01}, journal = {Scientific reports}, volume = {8}, number = {1}, pages = {3564}, note = {Publisher: Nature Publishing Group}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Kampouris, T E; Giovos, Ioannis; Doumpas, Nikos; Sterioti, Aspasia; Batjakas, I E First record of Penaeus pulchricaudatus (Stebbing, 1914) and the establishment of P. aztecus (Ives, 1891) and P. hathor (Burkenroad, 1959) in Cretan waters, Greece Journal Article J. Black Sea/Mediterranean Environment, 24 (3), pp. 199–211, 2018. @article{kampouris_first_2018, title = {First record of Penaeus pulchricaudatus (Stebbing, 1914) and the establishment of P. aztecus (Ives, 1891) and P. hathor (Burkenroad, 1959) in Cretan waters, Greece}, author = {T E Kampouris and Ioannis Giovos and Nikos Doumpas and Aspasia Sterioti and I E Batjakas}, year = {2018}, date = {2018-01-01}, journal = {J. Black Sea/Mediterranean Environment}, volume = {24}, number = {3}, pages = {199--211}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
2017 |
Sterioti, A; Doxa, C C; Grigoriou, P; Vardanis, G; Cascarano, M C; Katharios, P Ozobranchus margoi Infections in Loggerhead Turtles (Caretta caretta) in Greece and Potential Treatment Options Journal Article Journal of Exotic Pet Medicine, 26 (3), pp. 196–199, 2017, ISSN: 15575063, (Publisher: W.B. Saunders). @article{sterioti_ozobranchus_2017, title = {Ozobranchus margoi Infections in Loggerhead Turtles (Caretta caretta) in Greece and Potential Treatment Options}, author = {A Sterioti and C C Doxa and P Grigoriou and G Vardanis and M C Cascarano and P Katharios}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020130417&doi=10.1053%2fj.jepm.2017.05.006&partnerID=40&md5=df6cf6b579863fe0b8d0241ce8fa4b20}, doi = {10.1053/j.jepm.2017.05.006}, issn = {15575063}, year = {2017}, date = {2017-01-01}, journal = {Journal of Exotic Pet Medicine}, volume = {26}, number = {3}, pages = {196--199}, abstract = {Two injured loggerhead turtles, Caretta caretta, were presented to the public aquarium in Crete, infested by the parasitic marine leech, Ozobranchus margoi. This report describes these 2 loggerhead turtles and parasitic marine leeches along with the results of various treatment trials. Iodine ointment was the most efficient treatment against all life stages of O. margoi, taking into account animal welfare, ease of application, and efficacy. Monitoring the occurrence of parasitic leeches is important, as apart from the direct clinical affects to the host animal, they have been reported as vectors of threatening viral diseases. © 2017 Elsevier Inc.}, note = {Publisher: W.B. Saunders}, keywords = {}, pubstate = {published}, tppubtype = {article} } Two injured loggerhead turtles, Caretta caretta, were presented to the public aquarium in Crete, infested by the parasitic marine leech, Ozobranchus margoi. This report describes these 2 loggerhead turtles and parasitic marine leeches along with the results of various treatment trials. Iodine ointment was the most efficient treatment against all life stages of O. margoi, taking into account animal welfare, ease of application, and efficacy. Monitoring the occurrence of parasitic leeches is important, as apart from the direct clinical affects to the host animal, they have been reported as vectors of threatening viral diseases. © 2017 Elsevier Inc. |
Veríssimo, A; Zaera-Perez, D; Leslie, R; Iglésias, S P; Séret, B; Grigoriou, P; Sterioti, A; Gubili, C; Barría, C; Duffy, C; Hernández, S; Batjakas, I E; Griffiths, A M Molecular diversity and distribution of eastern Atlantic and Mediterranean dogfishes Squalus highlight taxonomic issues in the genus Journal Article Zoologica Scripta, 46 (4), pp. 414–428, 2017, ISSN: 03003256, (Publisher: Blackwell Publishing Ltd). @article{verissimo_molecular_2017, title = {Molecular diversity and distribution of eastern Atlantic and Mediterranean dogfishes Squalus highlight taxonomic issues in the genus}, author = {A Veríssimo and D Zaera-Perez and R Leslie and S P Iglésias and B Séret and P Grigoriou and A Sterioti and C Gubili and C Barría and C Duffy and S Hernández and I E Batjakas and A M Griffiths}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85006091103&doi=10.1111%2fzsc.12224&partnerID=40&md5=1872276e16c76ca3874bf8d9c0b968ee}, doi = {10.1111/zsc.12224}, issn = {03003256}, year = {2017}, date = {2017-01-01}, journal = {Zoologica Scripta}, volume = {46}, number = {4}, pages = {414--428}, abstract = {The alpha taxonomy of the globally distributed shark genus Squalus has been under intense investigation recently, and many new species have been described over the last decade. However, taxonomic uncertainty remains about several taxa. Without consistent nomenclature and the ability to reliably distinguish between the different Squalus species, basic data collection, downstream conservation and management efforts are seriously compromised. To aid in clarifying the taxonomic status of Squalus species in the eastern Atlantic and Mediterranean, we assessed species diversity at the molecular level and evaluated the consistency in species identification in the region. Samples from all nominal Squalus species recognized in the above regions were collected in an international effort and sequenced for regions of the mitochondrial COI and ND2 genes. These data were further analysed alongside publicly available sequences, including 19 of the 26 Squalus species globally recognized, to compare the regional genus-level diversity with that found elsewhere. Our results confirm inconsistent species identification in the eastern Atlantic and Mediterranean Squalus, particularly concerning S. blainville and S. megalops, and reinforce the need to revise the status of S. megalops and S. mitsukurii as they may include several distinct species distributed around the world. The status of S. blainville is also discussed in the light of the current findings and its problematic taxonomic history. © 2016 Royal Swedish Academy of Sciences}, note = {Publisher: Blackwell Publishing Ltd}, keywords = {}, pubstate = {published}, tppubtype = {article} } The alpha taxonomy of the globally distributed shark genus Squalus has been under intense investigation recently, and many new species have been described over the last decade. However, taxonomic uncertainty remains about several taxa. Without consistent nomenclature and the ability to reliably distinguish between the different Squalus species, basic data collection, downstream conservation and management efforts are seriously compromised. To aid in clarifying the taxonomic status of Squalus species in the eastern Atlantic and Mediterranean, we assessed species diversity at the molecular level and evaluated the consistency in species identification in the region. Samples from all nominal Squalus species recognized in the above regions were collected in an international effort and sequenced for regions of the mitochondrial COI and ND2 genes. These data were further analysed alongside publicly available sequences, including 19 of the 26 Squalus species globally recognized, to compare the regional genus-level diversity with that found elsewhere. Our results confirm inconsistent species identification in the eastern Atlantic and Mediterranean Squalus, particularly concerning S. blainville and S. megalops, and reinforce the need to revise the status of S. megalops and S. mitsukurii as they may include several distinct species distributed around the world. The status of S. blainville is also discussed in the light of the current findings and its problematic taxonomic history. © 2016 Royal Swedish Academy of Sciences |
2016 |
Dailianis, T; Akyol, O; Babali, N; Bariche, M; Crocetta, F; Gerovasileiou, V; Chanem, R; Gökoğlu, M; Hasiotis, T; Izquierdo-Muñoz, A; Julian, D; Katsanevakis, S; Lipez, L; Mancini, E; Mytilineou, Ch.; Amor, Ounifi Ben K; Özgül, A; Ragkousis, M; Rubio-Portillo, E; Servello, G; Sini, K; Stamouli, C; Sterioti, A; Teker, S; Tiralongo, F; Trkov, D New Mediterranean Biodiversity Records (July 2016) Journal Article Mediterranean Marine Science, 17 (2), pp. 608, 2016, ISSN: 1791-6763, 1108-393X. @article{dailianis_new_2016, title = {New Mediterranean Biodiversity Records (July 2016)}, author = {T Dailianis and O Akyol and N Babali and M Bariche and F Crocetta and V Gerovasileiou and R Chanem and M Gökoğlu and T Hasiotis and A Izquierdo-Muñoz and D Julian and S Katsanevakis and L Lipez and E Mancini and Ch. Mytilineou and K Ounifi Ben Amor and A Özgül and M Ragkousis and E Rubio-Portillo and G Servello and K Sini and C Stamouli and A Sterioti and S Teker and F Tiralongo and D Trkov}, url = {https://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/13484}, doi = {10.12681/mms.1734}, issn = {1791-6763, 1108-393X}, year = {2016}, date = {2016-07-01}, urldate = {2020-08-06}, journal = {Mediterranean Marine Science}, volume = {17}, number = {2}, pages = {608}, abstract = {This contribution forms part of a series of collective articles published regularly in Mediterranean Marine Science that report on new biodiversity records from the Mediterranean basin. The current article presents 51 geographically distinct records for 21 taxa belonging to 6 Phyla, extending from the western Mediterranean to the Levantine. The new records, per country, are as follows: Spain: the cryptogenic calcareous sponge Paraleucilla magna is reported from a new location in the Alicante region. Algeria: the rare Atlanto-Mediterranean bivalve Cardium indicum is reported from Annaba. Tunisia: new distribution records for the Indo-Pacific lionfish Pterois miles from Zembra Island and Cape Bon. Italy: the ark clam Anadara transversa is reported from mussel cultures in the Gulf of Naples, while the amphipod Caprella scaura and the isopods Paracerceis sculpta and Paranthura japonica are reported as associated to the –also allochthonous–bryozoan Amathia verticillata in the Adriatic Sea; in the latter region, the cosmopolitan Atlantic tripletail Lobotes surinamensisis also reported, a rare finding for the Mediterranean. Slovenia: a new record of the non-indigenous nudibranch Polycera hedgpethi in the Adriatic. Greece: several new reports of the introduced scleractinian Oculina patagonica, the fangtooth moray Enchelycore anatina, the blunthead puffer Sphoeroides pachygaster (all Atlantic), and the lionfish Pterois miles (Indo-Pacific) suggest their ongoing establishment in the Aegean Sea; the deepest bathymetric record of the invasive alga Caulerpa cylindracea in the Mediterranean Sea is also registered in the Kyklades, at depths exceeding 70 m. Turkey: new distribution records for two non indigenous crustaceans, the blue crab Callinectes sapidus (Atlantic origin) and the moon crab Matuta victor (Indo-Pacific origin) from the Bay of Izmir and Antalya, respectively; in the latter region, the Red Sea goatfish Parupeneus forsskali, is also reported. Lebanon: an array of records of 5 alien and one native Mediterranean species is reported by citizen-scientists; the Pacific jellyfish Phyllorhiza punctata and the Indo-Pacific teleosteans Tylerius spinosissimus, Ostracion cubicus, and Lutjanus argentimaculatus are reported from the Lebanese coast, the latter notably being the second record for the species in the Mediterranean Sea since 1977; the native sand snake-eel Ophisurus serpens, rare in the eastern Mediterranean, is reported for the first time from Lebanon, this being its easternmost distribution range; finally, a substantial number of sightings of the lionfish Pterois miles further confirm the current establishment of this lessepsian species in the Levantine.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This contribution forms part of a series of collective articles published regularly in Mediterranean Marine Science that report on new biodiversity records from the Mediterranean basin. The current article presents 51 geographically distinct records for 21 taxa belonging to 6 Phyla, extending from the western Mediterranean to the Levantine. The new records, per country, are as follows: Spain: the cryptogenic calcareous sponge Paraleucilla magna is reported from a new location in the Alicante region. Algeria: the rare Atlanto-Mediterranean bivalve Cardium indicum is reported from Annaba. Tunisia: new distribution records for the Indo-Pacific lionfish Pterois miles from Zembra Island and Cape Bon. Italy: the ark clam Anadara transversa is reported from mussel cultures in the Gulf of Naples, while the amphipod Caprella scaura and the isopods Paracerceis sculpta and Paranthura japonica are reported as associated to the –also allochthonous–bryozoan Amathia verticillata in the Adriatic Sea; in the latter region, the cosmopolitan Atlantic tripletail Lobotes surinamensisis also reported, a rare finding for the Mediterranean. Slovenia: a new record of the non-indigenous nudibranch Polycera hedgpethi in the Adriatic. Greece: several new reports of the introduced scleractinian Oculina patagonica, the fangtooth moray Enchelycore anatina, the blunthead puffer Sphoeroides pachygaster (all Atlantic), and the lionfish Pterois miles (Indo-Pacific) suggest their ongoing establishment in the Aegean Sea; the deepest bathymetric record of the invasive alga Caulerpa cylindracea in the Mediterranean Sea is also registered in the Kyklades, at depths exceeding 70 m. Turkey: new distribution records for two non indigenous crustaceans, the blue crab Callinectes sapidus (Atlantic origin) and the moon crab Matuta victor (Indo-Pacific origin) from the Bay of Izmir and Antalya, respectively; in the latter region, the Red Sea goatfish Parupeneus forsskali, is also reported. Lebanon: an array of records of 5 alien and one native Mediterranean species is reported by citizen-scientists; the Pacific jellyfish Phyllorhiza punctata and the Indo-Pacific teleosteans Tylerius spinosissimus, Ostracion cubicus, and Lutjanus argentimaculatus are reported from the Lebanese coast, the latter notably being the second record for the species in the Mediterranean Sea since 1977; the native sand snake-eel Ophisurus serpens, rare in the eastern Mediterranean, is reported for the first time from Lebanon, this being its easternmost distribution range; finally, a substantial number of sightings of the lionfish Pterois miles further confirm the current establishment of this lessepsian species in the Levantine. |
2014 |
Katharios, P; Kokkari, C; Sterioti, A; Smyrli, M; Kalatzis, P G Enteromyxum leei infection in parrotfish, Sparisoma cretense: Histopathological, morphological and molecular study Journal Article Veterinary Parasitology, 199 (3-4), pp. 136–143, 2014, ISSN: 03044017. @article{katharios_enteromyxum_2014, title = {Enteromyxum leei infection in parrotfish, Sparisoma cretense: Histopathological, morphological and molecular study}, author = {P Katharios and C Kokkari and A Sterioti and M Smyrli and P G Kalatzis}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84890553160&doi=10.1016%2fj.vetpar.2013.10.011&partnerID=40&md5=f9944a453e454ecfa3c4431daeb37632}, doi = {10.1016/j.vetpar.2013.10.011}, issn = {03044017}, year = {2014}, date = {2014-01-01}, journal = {Veterinary Parasitology}, volume = {199}, number = {3-4}, pages = {136--143}, abstract = {Enteromyxum leei (Myxozoa) has been identified as the aetiological agent of morbidity and mortality in captive feral parrotfish, Sparisoma cretense held at the facilities of Cretaquarium, the public aquarium of the Hellenic Centre for Marine Research in Crete. The parasite caused substantial mortality to the parrotfish exceeding 60% over a period of 3.5 months. Here we describe the course of disease, the effects of the parasite on the host based on histopathological observations and we provide morphological and molecular data on the parasite. © 2013 Elsevier B.V.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Enteromyxum leei (Myxozoa) has been identified as the aetiological agent of morbidity and mortality in captive feral parrotfish, Sparisoma cretense held at the facilities of Cretaquarium, the public aquarium of the Hellenic Centre for Marine Research in Crete. The parasite caused substantial mortality to the parrotfish exceeding 60% over a period of 3.5 months. Here we describe the course of disease, the effects of the parasite on the host based on histopathological observations and we provide morphological and molecular data on the parasite. © 2013 Elsevier B.V. |
2013 |
Neofytou, M; Somarakis, S; Papadakis, V; Divanach, P; Sterioti, A; Kentouri, M Journal of Biological Research (Greece), 19 , pp. 99 – 110, 2013. @article{neofytou_effect_2013, title = {Effect of temperature, stocking density, feeding conditions and experimental day on the horizontal and vertical distribution of sea bass fry Dicentrarchus labrax (Linnaeus, 1758)}, author = {M Neofytou and S Somarakis and V Papadakis and P Divanach and A Sterioti and M Kentouri}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84875945263&partnerID=40&md5=1fa1417692f1382db98a707c27d11da4}, year = {2013}, date = {2013-01-01}, journal = {Journal of Biological Research (Greece)}, volume = {19}, pages = {99 -- 110}, abstract = {The working hypothesis of the present study is to verify whether, the spatial distribution of sea bass fry remains invariable under the pressure of certain rearing conditions, due to its extended plasticity or, certain situations lead to specific distributions. for this reason, we investigated and compared horizontal and vertical distribution of sea bass reared in aquaria, at three different stocking densities (5 ind. l-1, 10 ind. l-1 and 20 ind. l-1), two different temperatures (16 and 23°C) and two different feeding conditions (feeding fish and starving fish). the analysis of the video records and General Linear Models revealed a strong effect of stocking density, feeding condition, and day of experimentation on fish behavior interpreted by the vertical and horizontal distribution of fish. temperature also affected distribution when it was combined with stocking density and feeding condition. however, this effect seemed to be lessened by the effect of the other variables (i.e. stocking density, feeding condition and day of experimentation). the exposure time (chronic stress) to the stocking density, temperature and feeding condition as well as to their additive cumulative effect (variables interactions) was the cause of the development of stereotypic behaviors that increased in occurrence frequency and over an experimental time lapse and gradually led to the weakening and death of the fry (bad welfare). thus, it is assumed that stocking density, feeding condition, day of experimentation and temperature can have negative effects on sea bass "well being" and in order to maintain its welfare during rearing it is important to take all necessary precautions of handling when dealing with these variables in the fish environment.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The working hypothesis of the present study is to verify whether, the spatial distribution of sea bass fry remains invariable under the pressure of certain rearing conditions, due to its extended plasticity or, certain situations lead to specific distributions. for this reason, we investigated and compared horizontal and vertical distribution of sea bass reared in aquaria, at three different stocking densities (5 ind. l-1, 10 ind. l-1 and 20 ind. l-1), two different temperatures (16 and 23°C) and two different feeding conditions (feeding fish and starving fish). the analysis of the video records and General Linear Models revealed a strong effect of stocking density, feeding condition, and day of experimentation on fish behavior interpreted by the vertical and horizontal distribution of fish. temperature also affected distribution when it was combined with stocking density and feeding condition. however, this effect seemed to be lessened by the effect of the other variables (i.e. stocking density, feeding condition and day of experimentation). the exposure time (chronic stress) to the stocking density, temperature and feeding condition as well as to their additive cumulative effect (variables interactions) was the cause of the development of stereotypic behaviors that increased in occurrence frequency and over an experimental time lapse and gradually led to the weakening and death of the fry (bad welfare). thus, it is assumed that stocking density, feeding condition, day of experimentation and temperature can have negative effects on sea bass "well being" and in order to maintain its welfare during rearing it is important to take all necessary precautions of handling when dealing with these variables in the fish environment. |
2012 |
Thessalou-Legaki, M; Aydogan, O; Bekas, P; Bilge, G; Boyaci, Y O; Brunelli, E; Circosta, V; Crocetta, F; Durucan, F; Erdem, M; Ergolavou, A; Filiz, H; Fois, F; Gouva, E; Kapiris, K; Katsanevakis, S; Kljajic, Z; Konstantinidis, E; Konstantinou, G; Koutsogiannopoulos, D; Lamon, S; Macic, V; Mazzette, R; Meloni, D; Mureddu, A; Paschos, I; Perdikaris, C; Piras, F; Poursanidis, D; Ramos-Espla, A A; Rosso, A; Sordino, P; Sperone, E; Sterioti, A; Taskin, E; Toscano, F; Tripepi, S; Tsiakkiros, L; Zenetos, A New Mediterranean Biodiversity Records (December 2012) Journal Article Mediterranean Marine Science, 13 (2), pp. 312 – 327, 2012, ISSN: 1791-6763, 1108-393X. @article{thessalou-legaki_new_2012, title = {New Mediterranean Biodiversity Records (December 2012)}, author = {M Thessalou-Legaki and O Aydogan and P Bekas and G Bilge and Y O Boyaci and E Brunelli and V Circosta and F Crocetta and F Durucan and M Erdem and A Ergolavou and H Filiz and F Fois and E Gouva and K Kapiris and S Katsanevakis and Z Kljajic and E Konstantinidis and G Konstantinou and D Koutsogiannopoulos and S Lamon and V Macic and R Mazzette and D Meloni and A Mureddu and I Paschos and C Perdikaris and F Piras and D Poursanidis and A A Ramos-Espla and A Rosso and P Sordino and E Sperone and A Sterioti and E Taskin and F Toscano and S Tripepi and L Tsiakkiros and A Zenetos}, url = {https://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/12285}, doi = {10.12681/mms.313}, issn = {1791-6763, 1108-393X}, year = {2012}, date = {2012-12-01}, urldate = {2020-08-18}, journal = {Mediterranean Marine Science}, volume = {13}, number = {2}, pages = {312 -- 327}, abstract = {This paper presents records extending or confirming the distribution of Mediterranean species. Three alien algae are included, namely Codium taylorii reported for the first time from the Aegean and Turkey (Izmir Gulf), Caulerpa racemosa var. cylindracea (Karpathos and Chalki Isl., Aegean Sea) and Ganonema farinosum (Karpathos Isl., Aegean Sea). As far as animals are concerned, Litarachna divergens (Acari: Hydrachnidia) was recorded (Side, Eastern Mediterranean) and represents a new amendment at genus level for Turkish fauna. Other invertebrates include alien species such as the crabs Dyspanopeus sayi (Lago Fusaro, SW Italy), Percnon gibbesi (Larnaca, Cyprus; Karpathos and Chalki Isl., Aegean Sea) and Callinectes sapidus (Voda estuary, NW Greece), the nudibranch Aplysia dactylomela (Boka Kotorska Bay, Montenegro), the gastropod Conomurex persicus (Karpathos and ChalkiIsl., Aegean Sea) and the bryozoan Electra tenella (Livorno harbour and Messina Straits area). The alien fish Siganus luridus, Siganus rivulatus, Fistularia commersonii, Sphyraena chrysotaenia and Sargocentron rubrum are also reported from the islands of Karpathos and Chalki, and Pteragogus pelycus from Heraklion Bay, Crete. In addition, new localities for four rare Mediterranean inhabitants are given: the cephalopod Thysanoteuthis rhombus (NW Sardinia) and the fish: Lampris guttatus (Calabria, S Italy), Petromyzon marinus (Gokova Bay) and Remora australis (Saronikos Gulf), while the opisthobranch gastropod Cerberilla bernadettae is reported for the first time from the E Mediterranean (Cyprus). Finally, three species of the Aegean ascidiofauna are recorded for the first time: Lissoclinum perforatum, Ciona roulei and Ecteinascidia turbinata. Furthermore, it was established that Phallusia nigra has extended its distributional range to the north of the Aegean Sea.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This paper presents records extending or confirming the distribution of Mediterranean species. Three alien algae are included, namely Codium taylorii reported for the first time from the Aegean and Turkey (Izmir Gulf), Caulerpa racemosa var. cylindracea (Karpathos and Chalki Isl., Aegean Sea) and Ganonema farinosum (Karpathos Isl., Aegean Sea). As far as animals are concerned, Litarachna divergens (Acari: Hydrachnidia) was recorded (Side, Eastern Mediterranean) and represents a new amendment at genus level for Turkish fauna. Other invertebrates include alien species such as the crabs Dyspanopeus sayi (Lago Fusaro, SW Italy), Percnon gibbesi (Larnaca, Cyprus; Karpathos and Chalki Isl., Aegean Sea) and Callinectes sapidus (Voda estuary, NW Greece), the nudibranch Aplysia dactylomela (Boka Kotorska Bay, Montenegro), the gastropod Conomurex persicus (Karpathos and ChalkiIsl., Aegean Sea) and the bryozoan Electra tenella (Livorno harbour and Messina Straits area). The alien fish Siganus luridus, Siganus rivulatus, Fistularia commersonii, Sphyraena chrysotaenia and Sargocentron rubrum are also reported from the islands of Karpathos and Chalki, and Pteragogus pelycus from Heraklion Bay, Crete. In addition, new localities for four rare Mediterranean inhabitants are given: the cephalopod Thysanoteuthis rhombus (NW Sardinia) and the fish: Lampris guttatus (Calabria, S Italy), Petromyzon marinus (Gokova Bay) and Remora australis (Saronikos Gulf), while the opisthobranch gastropod Cerberilla bernadettae is reported for the first time from the E Mediterranean (Cyprus). Finally, three species of the Aegean ascidiofauna are recorded for the first time: Lissoclinum perforatum, Ciona roulei and Ecteinascidia turbinata. Furthermore, it was established that Phallusia nigra has extended its distributional range to the north of the Aegean Sea. |
2011 |
Doxa, C K; Sterioti, A; Kentouri, M; Divanach, P Encapsulated development of the marine gastropod Tonna galea (Linnaeus, 1758) in captivity Journal Article Journal of Biological Research, 16 , pp. 304 – 307, 2011. @article{doxa_encapsulated_2011, title = {Encapsulated development of the marine gastropod Tonna galea (Linnaeus, 1758) in captivity}, author = {C K Doxa and A Sterioti and M Kentouri and P Divanach}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-80052546780&partnerID=40&md5=e2d86fb176ffda6ce56ee10b2c701ef2}, year = {2011}, date = {2011-01-01}, journal = {Journal of Biological Research}, volume = {16}, pages = {304 -- 307}, abstract = {In the present study the reproductive biology of Tonna galea (Linnaeus, 1758) was studied for the first time. In mid-September 2006 one individual was found laying a pale pink egg rosette of 39.5 cm length. Number of embryos, stages of development, shape and dimensions were studied in relation to time and measured on microphotographs of randomly sampled capsules. Each oval or spherical shaped capsule of 3.61 mm total length contained 101 developing embryos. The embryo diameter ranged from 297.5 μm of the unsegmented egg to 489 μm of the free veliger. At 21°C eclosion occurred 34 days after capsule deposition, at a free-swimming veliger stage. The duration of each developmental stage, from one cell to veliger, is reported. Results are discussed in relation to possible culture and use for ecological purposes.}, keywords = {}, pubstate = {published}, tppubtype = {article} } In the present study the reproductive biology of Tonna galea (Linnaeus, 1758) was studied for the first time. In mid-September 2006 one individual was found laying a pale pink egg rosette of 39.5 cm length. Number of embryos, stages of development, shape and dimensions were studied in relation to time and measured on microphotographs of randomly sampled capsules. Each oval or spherical shaped capsule of 3.61 mm total length contained 101 developing embryos. The embryo diameter ranged from 297.5 μm of the unsegmented egg to 489 μm of the free veliger. At 21°C eclosion occurred 34 days after capsule deposition, at a free-swimming veliger stage. The duration of each developmental stage, from one cell to veliger, is reported. Results are discussed in relation to possible culture and use for ecological purposes. |
2006 |
Katharios, P; Sterioti, A; Divanach, P Cretaquarium: Aquatic health related challenges in setting up a new public aquarium. Inproceedings Fifth International Symposium on Aquatic Animal Health, pp. 147, San Francisco, U.S., 2006. @inproceedings{katharios_cretaquarium_2006, title = {Cretaquarium: Aquatic health related challenges in setting up a new public aquarium.}, author = {P Katharios and A Sterioti and P Divanach}, year = {2006}, date = {2006-09-01}, booktitle = {Fifth International Symposium on Aquatic Animal Health}, pages = {147}, address = {San Francisco, U.S.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
2005 |
Chatzifotis, S; Pavlidis, M; Jimeno, C D; Vardanis, G; Sterioti, A; Divanach, P The effect of different carotenoid sources on skin coloration of cultured red porgy (Pagrus pagrus) Journal Article Aquaculture Research, 36 (15), pp. 1517–1525, 2005, ISSN: 1355557X. @article{chatzifotis_effect_2005-1, title = {The effect of different carotenoid sources on skin coloration of cultured red porgy (Pagrus pagrus)}, author = {S Chatzifotis and M Pavlidis and C D Jimeno and G Vardanis and A Sterioti and P Divanach}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-28144454613&doi=10.1111%2fj.1365-2109.2005.01374.x&partnerID=40&md5=70151f9b5623aeec3809a55ae9d2a95d}, doi = {10.1111/j.1365-2109.2005.01374.x}, issn = {1355557X}, year = {2005}, date = {2005-01-01}, journal = {Aquaculture Research}, volume = {36}, number = {15}, pages = {1517--1525}, abstract = {This study presents data on the effect of carotenoid sources on skin coloration of red porgy (Pagrus pagrus). Three experiments were conducted: in the first, fish were fed an astaxanthin (Naturose®)-supplemented diet, while the second fish received diets supplemented with β-carotene (Rovimix β-caroten®) or lycopene (Lyc-O-Mato®): Carotenoids were added to the level of 100 ppm in each diet, while a non-carotenoid-supplemented diet served as a control. In the third experiment, the effect of dietary protein/carbohydrate ratio on melanin content in the skin was investigated. For this experimentation, four diets were formulated to contain 50/23, 40/32, 30/48 and 20/59 protein/carbohydrate ratio. Naturose astaxanthin increased total carotenoid content in the dorsal skin area while β-carotene and lycopene seem to have had no significant effect. Naturose was the only carotenoid source that had a significant effect on skin hue, promoting a reddish coloration to the dorsal skin area and a ventral hue similar to wild red porgy. No apparent effect of carotenoid source on skin melanin content was observed. In contrast, dietary protein/ carbohydrate ratio affected melanin content in the skin. The fish fed the 50/23 diet showed significantly higher values. Farmed red porgy had eight times higher dorsal-skin melanin content than wild ones. © 2005 Blackwell Publishing Ltd.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This study presents data on the effect of carotenoid sources on skin coloration of red porgy (Pagrus pagrus). Three experiments were conducted: in the first, fish were fed an astaxanthin (Naturose®)-supplemented diet, while the second fish received diets supplemented with β-carotene (Rovimix β-caroten®) or lycopene (Lyc-O-Mato®): Carotenoids were added to the level of 100 ppm in each diet, while a non-carotenoid-supplemented diet served as a control. In the third experiment, the effect of dietary protein/carbohydrate ratio on melanin content in the skin was investigated. For this experimentation, four diets were formulated to contain 50/23, 40/32, 30/48 and 20/59 protein/carbohydrate ratio. Naturose astaxanthin increased total carotenoid content in the dorsal skin area while β-carotene and lycopene seem to have had no significant effect. Naturose was the only carotenoid source that had a significant effect on skin hue, promoting a reddish coloration to the dorsal skin area and a ventral hue similar to wild red porgy. No apparent effect of carotenoid source on skin melanin content was observed. In contrast, dietary protein/ carbohydrate ratio affected melanin content in the skin. The fish fed the 50/23 diet showed significantly higher values. Farmed red porgy had eight times higher dorsal-skin melanin content than wild ones. © 2005 Blackwell Publishing Ltd. |
2002 |
Koumoundouros, George; Pavlidis, Michalis; Anezaki, Lina; Kokkari, Constantina; Sterioti, Aspasia; Divanach, Pascal; Kentouri, Maroudio Journal of Experimental Zoology, 292 (6), pp. 573–579, 2002, ISSN: 0022-104X, 1097-010X. @article{koumoundouros_temperature_2002, title = {Temperature sex determination in the European sea bass, Dicentrarchus labrax (L., 1758) (Teleostei, Perciformes, Moronidae): Critical sensitive ontogenetic phase}, author = {George Koumoundouros and Michalis Pavlidis and Lina Anezaki and Constantina Kokkari and Aspasia Sterioti and Pascal Divanach and Maroudio Kentouri}, url = {http://doi.wiley.com/10.1002/jez.10095}, doi = {10.1002/jez.10095}, issn = {0022-104X, 1097-010X}, year = {2002}, date = {2002-05-01}, urldate = {2020-08-18}, journal = {Journal of Experimental Zoology}, volume = {292}, number = {6}, pages = {573--579}, abstract = {The temperature sex determination (TSD) mechanism in the European sea bass (Dicentrarchus labrax L.) was studied in respect to: a) the TSD sensitivity during the different developmental stages; and b) the intrapopulation correlation of sex determination with the growth rate up to the end of the TSD-sensitive period. At the stage of half-epiboly, eggs from the same batch were divided into four groups and subjected to different thermal treatments: a) 15°C (G15 group) and b) 20°C (G20 group) up to the middle of metamorphosis stage; c) 15°C up to the end of yolk-sac larval stage and subsequently to 20°C (G15-5 group); and d) 15°C up to the end of the preflexion stage and then to 20°C (G15-10 group). At the end of the treatments, size grading was applied and four additional populations were established from the upper (L) and lower (S) size portions of the G15 and G20 populations: G15L, G15S, G20L, and G20S. During the following growing phase, all populations were subjected to common rearing conditions. The sex ratios of each population were macroscopically determined at 190-210 mm mean total length. Female incidence was significantly affected (P textless 0.05) by the different thermal treatments: 66.1% in the G15, 47.1% in the G15-10, 37.6% in the G15-5, and 18.1% in the G20 group. In addition, sex ratio was correlated with the growth rate of the fish up to the end of the TSD-sensitive period, with the larger fish presenting a significantly higher (P textless 0.01) female incidence than the smaller fish in both thermal regimes tested: 73.1% in G15L vs. 57% in G15S, and 36.6%in G20L vs. 22.5% in G20S group. Results provide, for the first time, clear evidence that the sea bass is sensitive to TSD during all different ontogenetic stages up to metamorphosis, and that sex ratio is correlated with the growth rate of the fish well before the differentiation and maturation of the gonads. © 2002 Wiley-Liss, Inc.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The temperature sex determination (TSD) mechanism in the European sea bass (Dicentrarchus labrax L.) was studied in respect to: a) the TSD sensitivity during the different developmental stages; and b) the intrapopulation correlation of sex determination with the growth rate up to the end of the TSD-sensitive period. At the stage of half-epiboly, eggs from the same batch were divided into four groups and subjected to different thermal treatments: a) 15°C (G15 group) and b) 20°C (G20 group) up to the middle of metamorphosis stage; c) 15°C up to the end of yolk-sac larval stage and subsequently to 20°C (G15-5 group); and d) 15°C up to the end of the preflexion stage and then to 20°C (G15-10 group). At the end of the treatments, size grading was applied and four additional populations were established from the upper (L) and lower (S) size portions of the G15 and G20 populations: G15L, G15S, G20L, and G20S. During the following growing phase, all populations were subjected to common rearing conditions. The sex ratios of each population were macroscopically determined at 190-210 mm mean total length. Female incidence was significantly affected (P textless 0.05) by the different thermal treatments: 66.1% in the G15, 47.1% in the G15-10, 37.6% in the G15-5, and 18.1% in the G20 group. In addition, sex ratio was correlated with the growth rate of the fish up to the end of the TSD-sensitive period, with the larger fish presenting a significantly higher (P textless 0.01) female incidence than the smaller fish in both thermal regimes tested: 73.1% in G15L vs. 57% in G15S, and 36.6%in G20L vs. 22.5% in G20S group. Results provide, for the first time, clear evidence that the sea bass is sensitive to TSD during all different ontogenetic stages up to metamorphosis, and that sex ratio is correlated with the growth rate of the fish well before the differentiation and maturation of the gonads. © 2002 Wiley-Liss, Inc. |
2001 |
Wilkes, D; Xie, S Q; Stickland, N C; Alami-Durante, H; Kentouri, M; Sterioti, A; Koumoundouros, G; Fauconneau, B; Goldspink, G Journal of Experimental Biology, 204 , pp. 2763 – 2771, 2001. @article{wilkes_temperature_2001, title = {Temperature and myogenic factor transcript levels during early development determines muscle growth potential in rainbow trout (Oncorhynchus mykiss) and sea bass (Dicentrarchus labrax)}, author = {D Wilkes and S Q Xie and N C Stickland and H Alami-Durante and M Kentouri and A Sterioti and G Koumoundouros and B Fauconneau and G Goldspink}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0035745854&partnerID=40&md5=fd20f80568bada767740f83db9f355ac}, year = {2001}, date = {2001-01-01}, journal = {Journal of Experimental Biology}, volume = {204}, pages = {2763 -- 2771}, abstract = {The influence of changes in environmental temperature on the mRNA levels of myogenic regulatory factors (MRFs), i.e. MyoD and myogenin, as well as myosin heavy chain (MyHC) were studied during early larval development in rainbow trout and sea bass. Phosphoimager analysis of northern blots indicated that there is an optimum temperature for the RNA transcript levels of MRF and MyHC RNA in trout and in sea bass larvae. In the trout strain studied, the highest concentration for MRF and MyHC transcripts was found at 8°C rather than 4°C or 20°C. In European sea bass, the highest concentrations of MRF and MyHC mRNA were observed at 15-20°C rather than 13°C. Raising sea bass larvae at 15°C was associated with higher MyHC gene expression as well as a trend towards an increase in total muscle fibre number and higher growth rates after transfer at ambient temperature. Results suggest that mRNA levels of MRF and MyHC can be used to optimise early development. An experiment in which the temperature was changed illustrates the consequence of precise temporal expression of MRF genes in specifying muscle fibre number at critical stages during early development.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The influence of changes in environmental temperature on the mRNA levels of myogenic regulatory factors (MRFs), i.e. MyoD and myogenin, as well as myosin heavy chain (MyHC) were studied during early larval development in rainbow trout and sea bass. Phosphoimager analysis of northern blots indicated that there is an optimum temperature for the RNA transcript levels of MRF and MyHC RNA in trout and in sea bass larvae. In the trout strain studied, the highest concentration for MRF and MyHC transcripts was found at 8°C rather than 4°C or 20°C. In European sea bass, the highest concentrations of MRF and MyHC mRNA were observed at 15-20°C rather than 13°C. Raising sea bass larvae at 15°C was associated with higher MyHC gene expression as well as a trend towards an increase in total muscle fibre number and higher growth rates after transfer at ambient temperature. Results suggest that mRNA levels of MRF and MyHC can be used to optimise early development. An experiment in which the temperature was changed illustrates the consequence of precise temporal expression of MRF genes in specifying muscle fibre number at critical stages during early development. |
2000 |
Pavlidis, M; Koumoundouros, G; Sterioti, A; Somarakis, S; Divanach, P; Kentouri, M Evidence of temperature-dependent sex determination in the european sea bass (Dicentrarchus labrax L.) Journal Article Journal of Experimental Zoology, 287 , pp. 225 – 232, 2000. @article{pavlidis_evidence_2000, title = {Evidence of temperature-dependent sex determination in the european sea bass (Dicentrarchus labrax L.)}, author = {M Pavlidis and G Koumoundouros and A Sterioti and S Somarakis and P Divanach and M Kentouri}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0034255757&partnerID=40&md5=2d194d1edd776c20c4fe6c96e412b855}, year = {2000}, date = {2000-01-01}, journal = {Journal of Experimental Zoology}, volume = {287}, pages = {225 -- 232}, abstract = {To test the hypothesis that sex determination in the European sea bass (Dicentrarchus labrax L.) can be affected by the incubating temperature during the very early developmental stages, eggs from the same batch of spontaneously spawned broodstock were divided at the stage of half-epiboly into three groups according to rearing temperature: G13 = 13°C}, keywords = {}, pubstate = {published}, tppubtype = {article} } To test the hypothesis that sex determination in the European sea bass (Dicentrarchus labrax L.) can be affected by the incubating temperature during the very early developmental stages, eggs from the same batch of spontaneously spawned broodstock were divided at the stage of half-epiboly into three groups according to rearing temperature: G13 = 13°C |