中国Ovophis（蛇科，蝰蛇科）系统发育和进化的新见解：从多点数据推断

IF 2.3 2区生物学 Q2 EVOLUTIONARY BIOLOGY

Zoologica Scripta Pub Date : 2023-02-21 DOI:10.1111/zsc.12589

Yang‐Mei Zeng, Ke Li, Qin Liu, Yayong Wu, S. Hou, Guiyuan Zhao, S. N. Nguyen, P. Guo, Lei Shi

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引用次数: 0

摘要

亚洲毒蛇属Ovophis是一组广泛分布在亚洲中高海拔山区的毒蛇，目前已确认有五种。然而，对其系统学、物种多样性和物种分布边界的了解仍然很少。我们基于两个线粒体片段（Cyt b和ND4）和四个核基因（BACH1、c‐mos、Rag1和NT3）重建了中国Ovophis的系统发育关系，并探索了物种多样性，还对重点物种进行了形态学比较。我们的研究结果表明，Ovophis的物种多样性被低估了，我们将云南南部的一个种群描述为一个新的分类单元，命名为Ovophismalhotrae sp.nov。在更广泛的采样基础上，我们重新定义了O.monticola和O.makazayazaya在中国的分布。分歧日期估计表明Ovophis起源于大约16.79年中新世中期的Ma。

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New insights into the phylogeny and evolution of Chinese Ovophis (Serpentes, Viperidae): Inferred from multilocus data

The Asian pitviper genus Ovophis is a group of venomous snakes widely distributed in mid to high elevation mountains in Asia, and presently five species are recognised. However, its systematics, species diversity and species distribution boundaries remain poorly understood. We reconstructed the phylogenetic relationships and explored species diversity of Chinese Ovophis based on two mitochondrial fragments (Cyt b and ND4) and four nuclear genes (BACH1, c‐mos, Rag1, NT3) and also conducted a morphological comparison between focal species. Our results indicated that the species diversity had been underestimated within Ovophis and we described a population from southern Yunnan, China, as a new taxon, naming it as Ovophis malhotrae sp. nov. Based on more extensive sampling, we redefined the distribution of O. monticola and O. makazayazaya in China. Divergence date estimation suggested that Ovophis originated at about 16.79 Ma in the middle Miocene.

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来源期刊

Zoologica Scripta 生物-动物学

CiteScore

5.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Zoologica Scripta publishes papers in animal systematics and phylogeny, i.e. studies of evolutionary relationships among taxa, and the origin and evolution of biological diversity. Papers can also deal with ecological interactions and geographic distributions (phylogeography) if the results are placed in a wider phylogenetic/systematic/evolutionary context. Zoologica Scripta encourages papers on the development of methods for all aspects of phylogenetic inference and biological nomenclature/classification. Articles published in Zoologica Scripta must be original and present either theoretical or empirical studies of interest to a broad audience in systematics and phylogeny. Purely taxonomic papers, like species descriptions without being placed in a wider systematic/phylogenetic context, will not be considered.