[MARMAM] New publication on population genetic structure of the short-beaked common dolphin

Arda M. Tonay atonay at istanbul.edu.tr
Sat Jul 11 05:42:33 PDT 2020


Dear All,

Apologies for cross posting. 

 

We would like to inform you that the new paper on population genetic structure of the short-beaked common dolphin from the Black Sea and the Turkish Straits System has been published in the Mitochondrial DNA Part A.

 

Tonay, A.M., Uzun, B., Dede, A., Öztürk A.A., Danyer E., Danyer Aytemiz, I., Bilgin, S., Öztürk, B., Bilgin, R. 2020. Population genetic structure of the short-beaked common dolphin from the Black Sea and the Turkish Straits System. Mitochondrial DNA Part A. DOI: 10.1080/24701394.2020.1788008

 

https://www.tandfonline.com/doi/full/10.1080/24701394.2020.1788008

 

Abstract

Our study aims to assess the population connectivity, evolutionary history, and conservation status of the short-beaked common dolphin in the Black Sea and Turkish Straits System (TSS). We also include DNA sequences from the Atlantic Ocean and the Mediterranean Sea to provide a regional perspective to our localized study. Analysis of 366 base pairs of mitochondrial DNA D-loop fragments from 37 samples collected from short-beaked common dolphins in the Black Sea, TSS, and Aegean Sea revealed 13 haplotypes, eight of which have not been previously reported. While analysis of samples archived on GenBank revealed 89 different haplotypes across the region. The haplotype network contains two main peripheral groups that include individuals from all locations. Haplotypes from the Atlantic Ocean are scattered across the network and no obvious population separation was detected. Some shared haplotypes potentially indicate multi-directional colonization events of the Mediterranean Sea from the eastern Atlantic Ocean. Moreover, some less widely distributed haplotypes suggest some level of more recent genetic connectivity through the Strait of Gibraltar and the TSS and point out the importance of these straits in the dispersal of short-beaked common dolphins. The haplotype and nucleotide diversity values were lower in the Black Sea, TSS, and western Mediterranean Sea when compared to the Atlantic Ocean, supporting the expansion of Atlantic populations into the Mediterranean and the Black Seas. Differentiation was observed between the Atlantic Ocean, and the Mediterranean Sea, TSS and the Black Sea based on Фst but not between Mediterranean and the Black Seas. For common dolphins, which have high dispersal potential, the protection of open seas and narrow seaways to enhance connectivity may be crucial.

 

Pdf requests can be sent to atonay at istanbul.edu.tr <mailto:atonay at istanbul.edu.tr> 

 

Regards

Arda

 

Arda M. TONAY Ph.D

Faculty of Aquatic Sciences, İstanbul University

Marine Biology Dep.

Ordu Cad. No:8 Laleli, 34134 İstanbul, Turkey

Tel: ¬+90 212 455 5700/16459   Fax: +90 212 514 0379

atonay at istanbul.edu.tr <mailto:atonay at istanbul.edu.tr>    http://subilimleri.istanbul.edu.tr/

 

Turkish Marine Research Foundation (TUDAV)

P.O. Box 10 Beykoz, 34820 İstanbul, Turkey

Tel: +90 216 424 0772   Fax: +90 216 424 0771

 


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