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2 results on '"Institute of Marine Biological Research (IMBR)"'

1. Contemporary genetic structure and postglacial demographic history of the black scorpionfish, Scorpaena porcus, in the Mediterranean and the Black Seas

Author

Aikaterini Anastasopoulou, Vesna Mačić, Levent Bat, Valentina Todorova, N. A. Mil'chakova, Valentina Neglia, Dragos Micu, Serge Planes, Claudia Kruschel, M. Janczyszyn-Le Goff, Emilie Boissin, Lorenzo Zane, Marina Panayotova, Çetin Keskin, Ina Nasto, Centre de recherches insulaires et observatoire de l'environnement (CRIOBE), Université de Perpignan Via Domitia (UPVD)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Excellence CORAIL (LabEX CORAIL), Institut de Recherche pour le Développement (IRD)-Université des Antilles et de la Guyane (UAG)-École des hautes études en sciences sociales (EHESS)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de La Réunion (UR)-Université de la Polynésie Française (UPF)-Université de la Nouvelle-Calédonie (UNC)-Institut d'écologie et environnement-Université des Antilles (UA), National Institute for Marine Research and Development 'Grigore Antipa' (NIMRD), Department of Marine Biology and Ecology, Sinop Üniversitesi, Institute of Oceanology of Bulgarian Academy of Sciences (IO-BAS), Bulgarian Academy of Sciences (BAS), University of Zadar, Institute of Marine Biology Kotor (IMBK), Institute of Marine Biological Research (IMBR), Faculty of fisheries, Istanbul University, Hellenic Centre for Marine Research (HCMR), Department of Biology, University of Vlora 'Ismail Qemali', and Universita degli Studi di Padova

Subjects
0106 biological sciences, 0301 basic medicine, Demographic history, Climate Change, Population, population expansion, Black scorpionfish, Biology, 010603 evolutionary biology, 01 natural sciences, DNA, Mitochondrial, Evolution, Molecular, scorpionfish, 03 medical and health sciences, approximate Bayesian computation, Mediterranean sea, Bayesian clustering, connectivity, genetic differentiation, Genetics, Mediterranean Sea, Animals, Cluster Analysis, 14. Life underwater, Glacial period, education, Ecology, Evolution, Behavior and Systematics, Genetic diversity, education.field_of_study, Ecology, Genetic Variation, Bayes Theorem, Sequence Analysis, DNA, biology.organism_classification, Perciformes, 030104 developmental biology, Genetics, Population, Black Sea, Genetic structure, Interglacial, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Microsatellite Repeats
Abstract

International audience; Understanding the distribution of genetic diversity in the light of past demographic events linked with climatic shifts will help to forecast evolutionary trajectories of ecosystems within the current context of climate change. In this study, mitochondrial sequences and microsatellite loci were analysed using traditional population genetic approaches together with Bayesian dating and the more recent approximate Bayesian computation scenario testing. The genetic structure and demographic history of a commercial fish, the black scorpionfish, Scorpaena porcus, was investigated throughout the Mediterranean and Black Seas. The results suggest that the species recently underwent population expansions, in both seas, likely concomitant with the warming period following the Last Glacial Maximum, 20 000 years ago. A weak contemporaneous genetic differentiation was identified between the Black Sea and the Mediterranean Sea. However, the genetic diversity was similar for populations of the two seas, suggesting a high number of colonizers entered the Black Sea during the interglacial period and/or the presence of a refugial population in the Black Sea during the glacial period. Finally, within seas, an east/west genetic differentiation in the Adriatic seems to prevail, whereas the Black Sea does not show any structured spatial genetic pattern of its population. Overall, these results suggest that the Black Sea is not that isolated from the Mediterranean, and both seas revealed similar evolutionary patterns related to climate change and changes in sea level.

Published
2016
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2. Contemporary genetic structure and postglacial demographic history of the black scorpionfish, Scorpaena porcus, in the Mediterranean and the Black Seas.

Author

Boissin E, Micu D, Janczyszyn-Le Goff M, Neglia V, Bat L, Todorova V, Panayotova M, Kruschel C, Macic V, Milchakova N, Keskin Ç, Anastasopoulou A, Nasto I, Zane L, and Planes S

Subjects
Animals, Bayes Theorem, Black Sea, Climate Change, Cluster Analysis, DNA, Mitochondrial genetics, Evolution, Molecular, Mediterranean Sea, Microsatellite Repeats, Sequence Analysis, DNA, Genetic Variation, Genetics, Population, Perciformes genetics
Abstract

Understanding the distribution of genetic diversity in the light of past demographic events linked with climatic shifts will help to forecast evolutionary trajectories of ecosystems within the current context of climate change. In this study, mitochondrial sequences and microsatellite loci were analysed using traditional population genetic approaches together with Bayesian dating and the more recent approximate Bayesian computation scenario testing. The genetic structure and demographic history of a commercial fish, the black scorpionfish, Scorpaena porcus, was investigated throughout the Mediterranean and Black Seas. The results suggest that the species recently underwent population expansions, in both seas, likely concomitant with the warming period following the Last Glacial Maximum, 20 000 years ago. A weak contemporaneous genetic differentiation was identified between the Black Sea and the Mediterranean Sea. However, the genetic diversity was similar for populations of the two seas, suggesting a high number of colonizers entered the Black Sea during the interglacial period and/or the presence of a refugial population in the Black Sea during the glacial period. Finally, within seas, an east/west genetic differentiation in the Adriatic seems to prevail, whereas the Black Sea does not show any structured spatial genetic pattern of its population. Overall, these results suggest that the Black Sea is not that isolated from the Mediterranean, and both seas revealed similar evolutionary patterns related to climate change and changes in sea level., (© 2016 John Wiley & Sons Ltd.)

Published
2016
Full Text
View/download PDF

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