The first evidence for genetic differentiation of a non-native false mussel Mytilopsis sallei (Récluz, 1849) in southern Thailand.

IF 0.8 4区生物学 Q3 ZOOLOGY

Molluscan Research Pub Date : 2022-04-03 DOI:10.1080/13235818.2022.2073191

Wanlada Klangnurak, Suphatsara Sangphueak, Kringpaka Wangkulangkul

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引用次数: 1

Abstract

ABSTRACT The false mussel Mytilopsis sallei (Récluz, 1849) is a bivalve indigenous to the tropical western Atlantic that has become invasive in Southeast-Asia. Establishment of M. sallei populations in Thailand was reported in 2008 and it has spread to several locations along both the Gulf of Thailand and Andaman Sea coasts. The survival of planktonic larvae of M. sallei in oceanic salinity is known to be poor so these populations may be a result of multiple introductions, and propagule exchanges between populations may be limited. To test this, we investigated the variability of cytochrome oxidase subunit I in M. sallei within and between spatially isolated locations, as well as between the Gulf of Thailand and Andaman Sea coasts. In total, 407 base pairs from 60 individuals across five locations were analysed. Differences in the genetic structure of M. sallei among the five populations from southern Thailand suggest that there is no connectivity between the Gulf of Thailand and Andaman Sea populations. The results revealed the presence of six of the 15 haplotypes known among Southeast-Asian populations of M. sallei. This study contributes to the understanding of population genetic structure of the non-native false mussel, M. sallei, in Southeast-Asia.

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泰国南部非本地假贻贝Mytilopsis sallei（Récluz，1849）基因分化的第一个证据。

摘要：假贻贝Mytilopsis sallei（Récluz，1849）是一种原产于热带西大西洋的双壳类动物，现已入侵东南亚。据报道，2008年在泰国建立了M.sallei种群，并已传播到泰国湾和安达曼海沿岸的几个地方。众所周知，M.sallei浮游幼虫在海洋盐度中的存活率很低，因此这些种群可能是多次引入的结果，种群之间的繁殖体交换可能有限。为了验证这一点，我们研究了M.sallei细胞色素氧化酶亚基I在空间隔离地点内和之间以及泰国湾和安达曼海海岸之间的变异性。总共分析了来自五个地点的60个个体的407个碱基对。泰国南部五个种群中M.sallei基因结构的差异表明，泰国湾和安达曼海种群之间没有联系。研究结果显示，在东南亚人群中已知的15种M.sallei单倍型中有6种存在。本研究有助于了解东南亚非本地假贻贝M.sallei的种群遗传结构。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Molluscan Research 生物-动物学

CiteScore

1.80

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： Molluscan Research is an international journal for the publication of authoritative papers and review articles on all aspects of molluscan research, including biology, systematics, morphology, physiology, ecology, conservation, biogeography, genetics, molecular biology and palaeontology. While the scope of the journal is worldwide, there is emphasis on studies relating to Australasia and the Indo-west Pacific, including East and South East Asia. The journal’s scope includes revisionary papers, monographs, reviews, theoretical papers and briefer communications. Monographic studies of up to 73 printed pages may also be considered. The journal has been published since 1957 (as the Journal of the Malacological Society of Australia until 1993). It is free to members of the Malacological Society of Australasia and the Society for the Study of Molluscan Diversity.