Phylogeography of the Mesa Silverside fish Chirostoma jordani (Woolman, 1894) throughout the Mexican Plateau.

IF 2.3 3区 生物学 Q2 MULTIDISCIPLINARY SCIENCES PeerJ Pub Date : 2024-12-12 eCollection Date: 2024-01-01 DOI:10.7717/peerj.18256
Isai Betancourt-Resendes, Rodolfo Pérez-Rodríguez, Kyle R Piller, Omar Domínguez-Domínguez
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Abstract

Background: Understanding the processes that influence distribution of organisms is a major goal in evolutionary biology. Speciation in freshwater fishes is mainly associated with the "island-like" model of evolution, in which the formation of land barriers between different hydrographic basins interrupts gene flow and promotes isolation. Freshwater fish therefore provide an excellent model system for macro- and micro-evolutionary studies. The Mesa Silverside, Chirostoma jordani, is one of the most widespread freshwater fish species in the Mexican Plateau, a geologically complex physiographic region with a long history of genesis, destruction and compartmentalization of hydrographic basins that has promoted the dispersal and isolation of freshwater fishes.

Methods: We used mitochondrial (Cytb and D-loop) and nuclear (first intron of the ribosomal protein S7) data and used phylogeographic and coalescent based methods to elucidate the evolutionary history of C. jordani throughout its distributional range on the Mexican Plateau.

Results: The results obtained in the present study revealed that C. jordani consists of two main genetic groups with geographical correspondence. Clade I occur exclusively in north-western basin and shows population structure. Clade II is widely distributed across the west, central and eastern basins without population structure. The split between these two main clades was estimated at 1.4 Mya. This cladogenetic event may be associated with the allopatric process promoted by the fragmentation and compartmentalization of hydrographic basins induced by the geological and climatic history of the Mexican Plateau.

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墨西哥高原各地梅萨银鱼 Chirostoma jordani(伍尔曼,1894 年)的系统地理学。
背景:了解影响生物分布的过程是进化生物学的一个主要目标。淡水鱼类的物种演化主要与 "类岛 "演化模型有关,在该模型中,不同水文流域之间形成的陆地屏障阻断了基因流动,促进了物种隔离。因此,淡水鱼为宏观和微观进化研究提供了一个极好的模型系统。Mesa Silverside(Chirostoma jordani)是墨西哥高原分布最广的淡水鱼类之一,墨西哥高原地貌地质复杂,水文盆地的形成、破坏和分隔历史悠久,促进了淡水鱼类的扩散和隔离:方法:我们利用线粒体(Cytb 和 D-loop)和核(核糖体蛋白 S7 的第一个内含子)数据,并使用基于系统地理学和聚合的方法来阐明 C. jordani 在墨西哥高原整个分布区的进化历史:本研究的结果表明,C. jordani 由两个具有地理对应关系的主要基因群组成。支系 I 只出现在西北盆地,并呈现种群结构。支系 II 广泛分布于西部、中部和东部盆地,没有种群结构。这两个主要支系的分裂时间估计为 1.4 Mya。这一支系发生事件可能与墨西哥高原的地质和气候历史导致的水文盆地的破碎和分隔所推动的异源过程有关。
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来源期刊
PeerJ
PeerJ MULTIDISCIPLINARY SCIENCES-
CiteScore
4.70
自引率
3.70%
发文量
1665
审稿时长
10 weeks
期刊介绍: PeerJ is an open access peer-reviewed scientific journal covering research in the biological and medical sciences. At PeerJ, authors take out a lifetime publication plan (for as little as $99) which allows them to publish articles in the journal for free, forever. PeerJ has 5 Nobel Prize Winners on the Board; they have won several industry and media awards; and they are widely recognized as being one of the most interesting recent developments in academic publishing.
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