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Different patterns of population structure and genetic diversity of three mesopelagic fishes in the Greek Seas

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Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ)   

Αποθετήριο :
Mediterranean Marine Science  | ΕΚΤ eJournals   

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Different patterns of population structure and genetic diversity of three mesopelagic fishes in the Greek Seas (EN)
SARROPOULOU, XENIA
TSAPARIS, DIMITRIS
TSIGENOPOULOS, COSTAS S.
BADOUVAS, NICHOLAS
TSAGARAKIS, KONSTANTINOS
Mesopelagic fishes are among the most abundant groups of vertebrates on Earth. Despite their unique biological and ecological traits, research in this group has been particularly scarce. The present study investigates the intraspecific genetic diversity of three mesopelagic fishes (Hygophum benoiti, Maurolicus muelleri, and Benthosema glaciale) in the Greek Seas. Analyses of three mitochondrial DNA genes (COI, 12S, and 16S) from a total of 168 samples revealed a lack of genetic structure for M. muelleri and B. glaciale across the studied area. However, H. benoiti specimens from the Corinthian Gulf were differentiated from the rest of the populations, suggesting that the limited connection between the Corinthian and neighboring seas may act as a barrier to gene flow. Furthermore, the COI data of this study were co-analyzed with publicly available sequences, demonstrating lack of phylogeographic structure for all three species through their distribution range. Therefore, even though indications of genetic differentiation were observed, the three mesopelagic fishes are generally characterized by genetic homogeneity, which may be the result of their recent evolutionary history. (EN)
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
twilight zone (EN)
Hygophum benoiti (EN)
Maurolicus muelleri (EN)
Benthosema glaciale (EN)
Phylogeography (EN)
mitochondrial DNA (EN)
Aegean Sea (EN)
Eastern Mediterranean (EN)
Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ)
Mediterranean Marine Science
Research Article
Mediterranean Marine Science
Αγγλική γλώσσα
2022-06-22
https://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/28567
Hellenic Centre for Marine Research (EN)
1791-6763
1108-393X
Mediterranean Marine Science; Τόμ. 23 Αρ. 3 (2022): VOL 23, No 3 (2022); 536-545 (EL)
Mediterranean Marine Science; Vol. 23 No. 3 (2022): VOL 23, No 3 (2022); 536-545 (EN)
Copyright (c) 2022 Mediterranean Marine Science (EN)



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