Molecular Systematics and Divergence of Tor and Neolissochilus Fishes (Cypriniforms: Cyprinidae) from Southeast Asia and South China

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-09-04 DOI:10.1155/2024/5662867

Ling Wu, Tao Qin, Huy Duc Hoang, Thaung Naing Oo, Xiao-Ai Wang, Xiao-Yong Chen

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Abstract

In Southeast Asia, mahseer fishes, such as the species of Tor and Neolissochilus, are significant native commercial fish. Their phylogeny and categorization have a convoluted history. In this study, the molecular systematics and divergence of Tor and Neolissochilus fishes from Southeast Asia and South China were examined using the partial or complete sequences of four mitochondrial genes (cytochrome oxidase I, cytochrome b, 16S, and ND4). This study substantiated the monophyly of Tor and supported N. benasi as an independent genus. The result supported T. laterivittatus as a synonym of T. sinensis and T. dongnaiensis as a synonym of T. tambra. In addition, we presented the high diversity and species crypticity of these two taxa in Southeast Asia. The divergent time estimation indicated Tor and Neolissochilus species originated in the early Miocene (about 16.73 Ma), and the divergence of the genus Tor and other species of the genus Neolissochilus began at about 12.86 Ma.

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东南亚和华南托氏鱼和新鲤科鱼（鲤形目：鲤科）的分子系统学和分化

在东南亚，鲯鳅（Tor 和 Neolissochilus 种）是重要的本地商业鱼类。它们的系统发育和分类历史错综复杂。本研究利用四个线粒体基因（细胞色素氧化酶 I、细胞色素 b、16S 和 ND4）的部分或完整序列，研究了东南亚和华南地区鲯鳅和霓虹鳅的分子系统学和分化。这项研究证实了 Tor 的单系性，并支持 N. benasi 成为一个独立的属。结果支持 T. laterivittatus 为 T. sinensis 的异名，T. dongnaiensis 为 T. tambra 的异名。此外，我们还发现了这两个类群在东南亚的高度多样性和物种隐蔽性。分歧时间估计表明Tor和Neolissochilus物种起源于中新世早期（约16.73 Ma），Tor属和Neolissochilus属其他物种的分歧始于约12.86 Ma。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464