2025 |
Pavloudi, Christina; Santi, Ioulia; Azua, Iñigo; Baña, Zuriñe; Bastianini, Mauro; Belser, Caroline; Bilbao, Jone; Bitz-Thorsen, Julie; Broudin, Caroline; Camusat, Mathieu; Cancio, Ibon; Caray-Counil, Louis; Casotti, Raffaella; Castel, Jade; Comtet, Thierry; Cox, Cymon; Daguin, Claire; Cerio, Oihane Díaz De; Exter, Katrina; Fauvelot, Cécile; Frada, Miguel; Galand, Pierre; Garczarek, Laurence; Fernández, Jose González; Guillou, Laure; Hablützel, Pascal; Heynderickx, Hanneloor; Houbin, Céline; Kervella, Anne; Krystallas, Apostolos; Lagaisse, Rune; Laroquette, Arnaud; Lescure, Lyvia; Lopes, Eva; Loulakaki, Melina; Louro, Bruno; Magalhaes, Catarina; Maidanou, Maria; Margiotta, Francesca; Montresor, Marina; Not, Fabrice; Paredes, Estefanía; Percopo, Isabella; Péru, Erwan; Poulain, Julie; Præbel, Kim; Rigaut-Jalabert, Fabienne; Romac, Sarah; Stavroulaki, Melanthia; Troncoso, Jesús Souza; Thiébaut, Eric; Thomas, Wilfried; Tkacz, Andrzej; Trano, Anna Chiara; Wincker, Patrick; Pade, Nicolas First release of the European marine omics biodiversity observation network (EMO BON) shotgun metagenomics data from water and sediment samples Journal Article Biodiversity Data Journal, 13 , pp. e143585, 2025, ISSN: 1314-2828, 1314-2836. @article{pavloudi_first_2025, title = {First release of the European marine omics biodiversity observation network (EMO BON) shotgun metagenomics data from water and sediment samples}, author = {Christina Pavloudi and Ioulia Santi and Iñigo Azua and Zuriñe Baña and Mauro Bastianini and Caroline Belser and Jone Bilbao and Julie Bitz-Thorsen and Caroline Broudin and Mathieu Camusat and Ibon Cancio and Louis Caray-Counil and Raffaella Casotti and Jade Castel and Thierry Comtet and Cymon Cox and Claire Daguin and Oihane Díaz De Cerio and Katrina Exter and Cécile Fauvelot and Miguel Frada and Pierre Galand and Laurence Garczarek and Jose González Fernández and Laure Guillou and Pascal Hablützel and Hanneloor Heynderickx and Céline Houbin and Anne Kervella and Apostolos Krystallas and Rune Lagaisse and Arnaud Laroquette and Lyvia Lescure and Eva Lopes and Melina Loulakaki and Bruno Louro and Catarina Magalhaes and Maria Maidanou and Francesca Margiotta and Marina Montresor and Fabrice Not and Estefanía Paredes and Isabella Percopo and Erwan Péru and Julie Poulain and Kim Præbel and Fabienne Rigaut-Jalabert and Sarah Romac and Melanthia Stavroulaki and Jesús Souza Troncoso and Eric Thiébaut and Wilfried Thomas and Andrzej Tkacz and Anna Chiara Trano and Patrick Wincker and Nicolas Pade}, url = {https://bdj.pensoft.net/article/143585/ /wp-content/uploads/2025/04/2025-Pavloudi-BDJ-17.pdf}, doi = {10.3897/BDJ.13.e143585}, issn = {1314-2828, 1314-2836}, year = {2025}, date = {2025-01-01}, urldate = {2025-04-03}, journal = {Biodiversity Data Journal}, volume = {13}, pages = {e143585}, abstract = {The European Marine Omics Biodiversity Observation Network (EMO BON) is an initiative of the European Marine Biological Resource Centre (EMBRC) to establish a persistent genomic observatory amongst designated European coastal marine sites, sharing the same protocols for sampling and data curation. Environmental samples are collected from the water column and, at some sites, soft sediments and hard substrates (Autonomous Reef Monitoring Structures - ARMS), together with a set of mandatory and discretionary metadata (including Essential Ocean Variables - EOVs). Samples are collected following standardised protocols at regular and specified intervals and sequenced in large six-monthly batches at a centralised sequencing facility. The use of standard operating procedures (SOPs) during data collection, library preparation and sequencing aims to provide uniformity amongst the data collected from the sites. Coupled with strict adherence to open and FAIR (Findable, Accessible, Interoperable, Reusable) data principles, this ensures maximum comparability amongst samples and enhances reusability and interoperability of the data with other data sources. The observatory network was launched in June 2021, when the first sampling campaign took place.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The European Marine Omics Biodiversity Observation Network (EMO BON) is an initiative of the European Marine Biological Resource Centre (EMBRC) to establish a persistent genomic observatory amongst designated European coastal marine sites, sharing the same protocols for sampling and data curation. Environmental samples are collected from the water column and, at some sites, soft sediments and hard substrates (Autonomous Reef Monitoring Structures - ARMS), together with a set of mandatory and discretionary metadata (including Essential Ocean Variables - EOVs). Samples are collected following standardised protocols at regular and specified intervals and sequenced in large six-monthly batches at a centralised sequencing facility. The use of standard operating procedures (SOPs) during data collection, library preparation and sequencing aims to provide uniformity amongst the data collected from the sites. Coupled with strict adherence to open and FAIR (Findable, Accessible, Interoperable, Reusable) data principles, this ensures maximum comparability amongst samples and enhances reusability and interoperability of the data with other data sources. The observatory network was launched in June 2021, when the first sampling campaign took place. |
2021 |
Bravakos, Panos; Mandalakis, Manolis; Nomikou, Paraskevi; Anastasiou, Thekla I; Kristoffersen, Jon Bent; Stavroulaki, Melanthia; Kilias, Stephanos; Kotoulas, Georgios; Magoulas, Antonios; Polymenakou, Paraskevi N Genomic adaptation of Pseudomonas strains to acidity and antibiotics in hydrothermal vents at Kolumbo submarine volcano, Greece Journal Article Sci Rep, 11 (1), pp. 1336, 2021, ISSN: 2045-2322. @article{bravakos_genomic_2021, title = {Genomic adaptation of Pseudomonas strains to acidity and antibiotics in hydrothermal vents at Kolumbo submarine volcano, Greece}, author = {Panos Bravakos and Manolis Mandalakis and Paraskevi Nomikou and Thekla I Anastasiou and Jon Bent Kristoffersen and Melanthia Stavroulaki and Stephanos Kilias and Georgios Kotoulas and Antonios Magoulas and Paraskevi N Polymenakou}, url = {https://imbbc.hcmr.gr/wp-content/uploads/2021/02/2021-Bravakos-SciReport-4.pdf http://www.nature.com/articles/s41598-020-79359-y}, doi = {10.1038/s41598-020-79359-y}, issn = {2045-2322}, year = {2021}, date = {2021-01-01}, urldate = {2021-02-02}, journal = {Sci Rep}, volume = {11}, number = {1}, pages = {1336}, abstract = {Abstract Although the rise of antibiotic and multidrug resistant bacteria is one of the biggest current threats to human health, our understanding of the mechanisms involved in antibiotic resistance selection remains scarce. We performed whole genome sequencing of 21 Pseudomonas strains, previously isolated from an active submarine volcano of Greece, the Kolumbo volcano. Our goal was to identify the genetic basis of the enhanced co-tolerance to antibiotics and acidity of these Pseudomonas strains. Pangenome analysis identified 10,908 Gene Clusters (GCs). It revealed that the numbers of phage-related GCs and sigma factors, which both provide the mechanisms of adaptation to environmental stressors, were much higher in the high tolerant Pseudomonas strains compared to the rest ones. All identified GCs of these strains were associated with antimicrobial and multidrug resistance. The present study provides strong evidence that the CO 2 -rich seawater of the volcano associated with low pH might be a reservoir of microorganisms carrying multidrug efflux-mediated systems and pumps. We, therefore, suggest further studies of other extreme environments (or ecosystems) and their associated physicochemical parameters (or factors) in the rise of antibiotic resistance.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Abstract Although the rise of antibiotic and multidrug resistant bacteria is one of the biggest current threats to human health, our understanding of the mechanisms involved in antibiotic resistance selection remains scarce. We performed whole genome sequencing of 21 Pseudomonas strains, previously isolated from an active submarine volcano of Greece, the Kolumbo volcano. Our goal was to identify the genetic basis of the enhanced co-tolerance to antibiotics and acidity of these Pseudomonas strains. Pangenome analysis identified 10,908 Gene Clusters (GCs). It revealed that the numbers of phage-related GCs and sigma factors, which both provide the mechanisms of adaptation to environmental stressors, were much higher in the high tolerant Pseudomonas strains compared to the rest ones. All identified GCs of these strains were associated with antimicrobial and multidrug resistance. The present study provides strong evidence that the CO 2 -rich seawater of the volcano associated with low pH might be a reservoir of microorganisms carrying multidrug efflux-mediated systems and pumps. We, therefore, suggest further studies of other extreme environments (or ecosystems) and their associated physicochemical parameters (or factors) in the rise of antibiotic resistance. |
2020 |
Polymenakou, Paraskevi N; Mandalakis, Manolis; Macheras, Michalis; Oulas, Anastasis; Kristoffersen, Jon Bent; Christakis, Christos A; Terzoglou, Vasso; Stavroulaki, Melanthia High genetic diversity and variability of microbial communities in near-surface atmosphere of Crete island, Greece Journal Article Aerobiologia, 36 (3), pp. 341–353, 2020, ISSN: 0393-5965, 1573-3025. @article{polymenakou_high_2020, title = {High genetic diversity and variability of microbial communities in near-surface atmosphere of Crete island, Greece}, author = {Paraskevi N Polymenakou and Manolis Mandalakis and Michalis Macheras and Anastasis Oulas and Jon Bent Kristoffersen and Christos A Christakis and Vasso Terzoglou and Melanthia Stavroulaki}, url = {http://link.springer.com/10.1007/s10453-020-09636-w}, doi = {10.1007/s10453-020-09636-w}, issn = {0393-5965, 1573-3025}, year = {2020}, date = {2020-09-01}, urldate = {2020-08-31}, journal = {Aerobiologia}, volume = {36}, number = {3}, pages = {341--353}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Tsakogiannis, Alexandros; Manousaki, Tereza; Anagnostopoulou, Vasileia; Stavroulaki, Melanthia; Apostolaki, Eugenia T The Importance of Genomics for Deciphering the Invasion Success of the Seagrass Halophila stipulacea in the Changing Mediterranean Sea Journal Article Diversity, 12 (7), 2020, ISSN: 1424-2818. @article{tsakogiannis_importance_2020, title = {The Importance of Genomics for Deciphering the Invasion Success of the Seagrass Halophila stipulacea in the Changing Mediterranean Sea}, author = {Alexandros Tsakogiannis and Tereza Manousaki and Vasileia Anagnostopoulou and Melanthia Stavroulaki and Eugenia T Apostolaki}, url = {https://www.mdpi.com/1424-2818/12/7/263}, doi = {10.3390/d12070263}, issn = {1424-2818}, year = {2020}, date = {2020-01-01}, journal = {Diversity}, volume = {12}, number = {7}, abstract = {The Mediterranean Sea is subject to pressures from biological invasion due to coastal anthropic activities and global warming, which potentially modify its biogeography. The Red Sea tropical seagrass Halophila stipulacea entered the Eastern Mediterranean over a century ago, and its occurrence is expanding towards the northwest. Here, we highlight the importance of genomics for deciphering the evolutionary and ecological procedures taking place during the invasion process of H. stipulacea and review the relatively sparse genetic information available for the species to date. We report the first draft whole-genome sequencing of a H. stipulacea individual from Greece, based on Illumina Sequencing technology. A comparison of the Internal Transcribed Spacer (ITS) regions revealed a high divergence of the herein sequenced individual compared to Mediterranean populations sequenced two decades ago, rendering further questions on the evolutionary processes taking place during H. stipulacea adaptation in the invaded Mediterranean Sea. Our work sets the baseline for a future analysis of the invasion genomic of the focal species.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The Mediterranean Sea is subject to pressures from biological invasion due to coastal anthropic activities and global warming, which potentially modify its biogeography. The Red Sea tropical seagrass Halophila stipulacea entered the Eastern Mediterranean over a century ago, and its occurrence is expanding towards the northwest. Here, we highlight the importance of genomics for deciphering the evolutionary and ecological procedures taking place during the invasion process of H. stipulacea and review the relatively sparse genetic information available for the species to date. We report the first draft whole-genome sequencing of a H. stipulacea individual from Greece, based on Illumina Sequencing technology. A comparison of the Internal Transcribed Spacer (ITS) regions revealed a high divergence of the herein sequenced individual compared to Mediterranean populations sequenced two decades ago, rendering further questions on the evolutionary processes taking place during H. stipulacea adaptation in the invaded Mediterranean Sea. Our work sets the baseline for a future analysis of the invasion genomic of the focal species. |