岩栖蜗牛物种 Cochlostoma henricae 从南石灰岩阿尔卑斯山脉反复移居到北石灰岩阿尔卑斯山脉

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS
Bernhard Hausdorf, Jie Xu, Sonja Bamberger
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引用次数: 0

摘要

Hausdorf, B., Xu, J., BAMBERGER, S. (2024) 石栖蜗牛物种Cochlostoma henricae从南石灰岩阿尔卑斯山重复定居北石灰岩阿尔卑斯山--《动物学报》,00, 000-000。关于南阿尔卑斯山和北阿尔卑斯山生物地理分界的演变,只有少数分类群进行过研究。Cochlostoma henricae(Strobel,1851 年)是一种局限于石灰岩的陆地蜗牛物种,表现出这种分界。我们利用基因组 ddRAD 数据研究了该物种的系统发育和种群结构,以更好地了解该物种在南阿尔卑斯山的分化情况以及在北石灰岩阿尔卑斯山孤立分布的起源。对 ddRAD 数据进行的系统发育和种群遗传学分析表明,鸡冠花种群分为西部群和东部群。这些群落可能是被从皮亚韦山谷延伸到阿尔卑斯山边缘的冰川分隔开来的。这种纵向细分是南石灰岩阿尔卑斯山几个物种的常见模式。然而,不同类群之间西部和东部种群群的边界是不同的。Cochlostoma henricae至少两次在北石灰岩阿尔卑斯山定居。蒂罗尔州布雷滕旺(Breitenwang)的种群来自西部种群,而萨尔茨卡默古特(Salzkammergut)的种群则来自东部种群。这些情况以及其他几种陆地蜗牛的类似分化表明,即使是扩散能力有限的物种,也可以通过被动的长距离扩散事件反复穿越阿尔卑斯山。根据贝壳特征将 C. henricae 划分为三个亚种的建议并不符合其种群遗传结构。相反,东部和西部种群代表了不同的进化单元。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Repeated colonization of the Northern Limestone Alps from the Southern Limestone Alps by the rock-dwelling snail species Cochlostoma henricae
Hausdorf, B., Xu, J., BAMBERGER, S. (2024) Repeated colonization of the Northern Limestone Alps from the Southern Limestone Alps by the rock-dwelling snail species Cochlostoma henricaeZoologica Scripta, 00, 000–000. The evolution of biogeographic disjunctions in the Southern and Northern Limestone Alps has been studied only in a few taxa. Cochlostoma henricae (Strobel, 1851) is a land snail species restricted to limestone rocks showing such disjunctions. We studied the phylogeny and population structure of this species using genomic ddRAD data to better understand the differentiation of the species in the Southern Alps and the origin of the isolated occurrences in the Northern Limestone Alps. Phylogenetic and population-genetic analyses of the ddRAD data revealed a subdivision of the C. henricae populations into a western cluster and an eastern cluster. These clusters were probably separated by glaciers that extended from the Piave Valley to the margin of the Alps. Such a longitudinal subdivision is a common pattern of several species in the Southern Limestone Alps. However, the boundaries between western and eastern population groups differ between taxa. Cochlostoma henricae colonized the Northern Limestone Alps at least twice. The population from Breitenwang in Tyrol originated from the western group, whereas the occurrences in the Salzkammergut are from the eastern group. These and similar disjunctions of several other land snails show that even species with limited dispersal abilities could cross the Alps repeatedly by passive long-distance dispersal events. A subdivision of C. henricae into three subspecies, proposed based on shell characters, does not correspond to its population-genetic structure. Instead, the eastern and western population groups represent distinct evolutionary units.
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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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