Population Genetic Structure of Petroleuciscus borysthenicus (Kessler 1859) in Northwestern Türkiye Using Mitochondrial COX1 Gene

IF 0.7 4区 农林科学 Q4 FISHERIES
Sevan Ağdamar, Gülşah Saç, Ümit Acar, Özcan Gaygusuz, Ersin Doğaç, Müfit Özuluğ
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Abstract

Petroleuciscus borysthenicus is a species with a wide distribution from the eastern, western, and northern Black Sea and Azov Sea basins, the Aegean Sea basin, and Northwestern Türkiye. However, there has been relatively little attention on the genetic variability of this species in their native distribution range, and nearly no study has been conducted in Türkiye despite its importance in biodiversity. The aim of this study was to elucidate the genetic variability and population structure of P. borysthenicus from Northwestern Türkiye using an integrated molecular method. A total of 72 specimens were collected from 13 localities in the Northwestern part of Türkiye. A total of six haplotypes were identified in all specimens. A relatively low level of genetic variability was found for P. borysthenicus throughout the study region based on the indices of genetic diversity including haplotype diversity and nucleotide diversity for the cytochrome oxidase subunit I (h = 0.507, π = 0.0027). The pairwise FST values between the samples ranged from −0.123 to 1.000. Furthermore, our results revealed no provable recent demographic expansion for P. borysthenicus from Northwestern Türkiye. However, more studies using additional geographic sampling and molecular analysis are needed to enhance our knowledge of the diversity and distribution of this species.

Abstract Image

利用线粒体 COX1 基因分析蒂尔基耶西北部 Petroleuciscus borysthenicus (Kessler 1859) 的种群遗传结构
Petroleuciscus borysthenicus 是一种广泛分布于黑海和亚速海盆地东部、西部和北部、爱琴海盆地以及土耳其西北部的物种。然而,人们对该物种在其原生分布区的遗传变异性关注相对较少,尽管图尔基耶在生物多样性方面非常重要,但几乎没有进行过任何研究。本研究旨在利用综合分子方法阐明蒂尔基耶西北部 P. borysthenicus 的遗传变异性和种群结构。研究人员从土耳其西北部的 13 个地方共采集了 72 份标本。所有标本共鉴定出 6 个单倍型。根据遗传多样性指数,包括单倍型多样性和细胞色素氧化酶亚基 I 的核苷酸多样性(h = 0.507,π = 0.0027),发现整个研究区域的 P. borysthenicus 遗传变异水平相对较低。样本间的成对 FST 值介于-0.123 至 1.000 之间。此外,我们的研究结果表明,蒂尔基耶西北部的 P. borysthenicus 近期没有明显的种群扩张。然而,我们还需要利用更多的地理取样和分子分析进行更多的研究,以提高我们对该物种多样性和分布的认识。
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来源期刊
Journal of Applied Ichthyology
Journal of Applied Ichthyology 生物-海洋与淡水生物学
CiteScore
2.30
自引率
11.10%
发文量
73
审稿时长
3-8 weeks
期刊介绍: The Journal of Applied Ichthyology publishes articles of international repute on ichthyology, aquaculture, and marine fisheries; ichthyopathology and ichthyoimmunology; environmental toxicology using fishes as test organisms; basic research on fishery management; and aspects of integrated coastal zone management in relation to fisheries and aquaculture. Emphasis is placed on the application of scientific research findings, while special consideration is given to ichthyological problems occurring in developing countries. Article formats include original articles, review articles, short communications and technical reports.
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