Museum specimens shedding light on the evolutionary history and cryptic diversity of the hedgehog family Erinaceidae.

IF 3.5 1区 生物学 Q1 ZOOLOGY Integrative zoology Pub Date : 2024-10-06 DOI:10.1111/1749-4877.12909
Ying Zeng, Kai He, Xing Chen, Weipeng Bai, Hongzhou Lin, Jianhai Chen, Nedko Nedyalkov, Nobuyuki Yamaguchi, Keerthy Vijayan, Ramamoorthy Suganthasakthivel, Brawin Kumar, Yuqing Han, Zhongzheng Chen, Wenzhi Wang, Yang Liu
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Abstract

The family Erinaceidae encompasses 27 extant species in two subfamilies: Erinaceinae, which includes spiny hedgehogs, and Galericinae, which comprises silky-furred gymnures and moonrats. Although they are commonly recognized by the general public, their phylogenetic history remains incompletely understood, and several species have never been included in any molecular analyses. Additionally, previous research suggested that the species diversity of Erinaceidae might be underestimated. In this study, we sequenced the mitochondrial genomes of 29 individuals representing 18 erinaceid species using 18 freshly collected tissue and 11 historical museum specimens. We also integrated previously published data for a concatenated analysis. We aimed to elucidate the evolutionary relationships within Erinaceidae, estimate divergence times, and uncover potential underestimated species diversity. Our data finely resolved intergeneric and interspecific relationships and presented the first molecular evidence for the phylogenetic position of Mesechinus wangi, Paraechinus micropus, and P. nudiventris. Our results revealed a sister relationship between Neotetracus and Neohylomys gymnures, as well as a sister relationship between Hemiechinus and Mesechinus, supporting previous hypotheses. Additionally, our findings provided a novel phylogenetic position for Paraechinus aethiopicus, placing it in a basal position within the genus. Furthermore, our study uncovered cryptic species diversity within Hylomys suillus as well as in Neotetracus sinensis, Atelerix albiventris, P. aethiopicus, and Hemiechinus auratus, most of which have been previously overlooked.

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博物馆标本揭示了刺猬科(Erinaceidae)的进化史和隐秘多样性。
刺猬科包括两个亚科的 27 个现存物种:刺猬亚科(Erinaceinae)包括多刺的刺猬,而刺猬亚科(Galericinae)包括丝毛刺猬和月兔。虽然刺猬已被大众所熟知,但它们的系统发育历史仍未被完全了解,有几个物种从未被纳入任何分子分析中。此外,以前的研究表明,麦角蜥科的物种多样性可能被低估了。在这项研究中,我们利用 18 个新鲜采集的组织和 11 个历史博物馆标本,对代表 18 个麦角鱼科物种的 29 个个体的线粒体基因组进行了测序。我们还整合了以前发表的数据,进行了综合分析。我们的目的是阐明麦角鱼科内部的进化关系,估计分化时间,并发现可能被低估的物种多样性。我们的数据很好地解决了属间和种间关系,并首次提出了 Mesechinus wangi、Paraechinus micropus 和 P. nudiventris 系统发育位置的分子证据。我们的研究结果表明,Neotetracus 和 Neohylomys gymnures 之间是姊妹关系,Hemiechinus 和 Mesechinus 之间也是姊妹关系,这支持了之前的假设。此外,我们的研究结果还为 Paraechinus aethiopicus 提供了一个新的系统发育位置,将其置于该属的基干位置。此外,我们的研究还发现了Hylomys suillus以及Neotetracus sinensis、Atelerix albiventris、P. aethiopicus和Hemiechinus auratus中的隐性物种多样性,其中大部分物种以前都被忽视了。
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来源期刊
CiteScore
6.40
自引率
12.10%
发文量
81
审稿时长
>12 weeks
期刊介绍: The official journal of the International Society of Zoological Sciences focuses on zoology as an integrative discipline encompassing all aspects of animal life. It presents a broader perspective of many levels of zoological inquiry, both spatial and temporal, and encourages cooperation between zoology and other disciplines including, but not limited to, physics, computer science, social science, ethics, teaching, paleontology, molecular biology, physiology, behavior, ecology and the built environment. It also looks at the animal-human interaction through exploring animal-plant interactions, microbe/pathogen effects and global changes on the environment and human society. Integrative topics of greatest interest to INZ include: (1) Animals & climate change (2) Animals & pollution (3) Animals & infectious diseases (4) Animals & biological invasions (5) Animal-plant interactions (6) Zoogeography & paleontology (7) Neurons, genes & behavior (8) Molecular ecology & evolution (9) Physiological adaptations
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