Molecular phylogeny of Asiatic Short-Tailed Shrews, genus Blarinella Thomas, 1911 (Mammalia: Soricomorpha: Soricidae) and its taxonomic implications

Chen, Shunde; Liu, Shaoying; Liu, Yang; He, Kai; Chen, Weicai; Zhang, Xiuyue; Fan, Zhenxin; Tu, Feiyun; Jia, Xiaodong; Yue, Bisong

doi:10.11646/zootaxa.3250.1.3

Cited by 21 publications

(17 citation statements)

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“…Although this form of speciation is still controversial, multiple reported examples, involving insects, snails, frogs and shrews (Morse & Farrell ; Chen et al . , ; Kruckenhauser et al . ), have improved the credibility of the concept.…”

Section: Discussionmentioning

confidence: 99%

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Complete mitochondrial genomes throw light on budding speciation in three Biston species (Lepidoptera, Geometridae)

et al. 2016

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2017). Complete mitochondrial genomes throw light on budding speciation in three Biston species (Lepidoptera, Geometridae). -Zoologica Scripta, 46, 73-84. Biston panterinaria, Biston thibetaria and Biston perclara are very closely related species in the genus Biston, judged on the basis of both morphological and molecular evidence. The distribution area and altitudes, and host plants of these three species also show both consistency and differences. However, the exact relationship between the three species is unclear. In this study, we used the 'distance-based method', the 'tree-based method' and Bayesian phylogenetics and phylogeography to elucidate the relationship between the three species. Phylogenetic trees based on mitogenomes, COI+CYTB+16S and three nuDNA genes were constructed. The results of the phylogenetic trees revealed that B. thibetaria and B. perclara were derived from B. panterinaria and render the latter paraphyletic. The budding process of speciation is therefore presumed to be the main factor causing a phylogenetic relationship of this pattern. A host shift from broad-leaved plants living at low altitudes to gymnosperms living at relatively high altitudes provides evidence of budding speciation in these three species. The divergence time suggests that the budding speciation occurred at approximately 1.38 Ma, which is consistent with the Kunlun-Yellow River Movement. Tectonic movements occurring around the Qinghai-Tibet Plateau may be the driver of the budding speciation.

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Section: Discussionmentioning

confidence: 99%

“…Subsequently, many examples of budding speciation were discovered, involving liverworts, kelps, flowers, insects, snails, frogs and shrews (Morse & Farrell ; Vanderpoorten & Long ; Chen et al . , ; Tellier et al . ; Grossenbacher et al .…”

Section: Introductionmentioning

confidence: 99%

Complete mitochondrial genomes throw light on budding speciation in three Biston species (Lepidoptera, Geometridae)

et al. 2016

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“…Cryptic divergence and strong geographic structures have been observed in other endemic taxa [45,46], indicating that topography has strong effect on diversification, particularly with regard to small and sedentary animals. The current conservation statuses of Uropsilus spp.…”

Section: Discussionmentioning

confidence: 99%

Multilocus phylogeny and cryptic diversity in Asian shrew-like moles (Uropsilus, Talpidae): implications for taxonomy and conservation

Wan

Jiang

2013

BMC Evol Biol

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BackgroundThe genus Uropsilus comprises a group of terrestrial, montane mammals endemic to the Hengduan and adjacent mountains. These animals are the most primitive living talpids. The taxonomy has been primarily based on cursory morphological comparisons and the evolutionary affinities are little known. To provide insight into the systematics of this group, we estimated the first multi-locus phylogeny and conducted species delimitation, including taxon sampling throughout their distribution range.ResultsWe obtained two mitochondrial genes (~1, 985 bp) and eight nuclear genes (~4, 345 bp) from 56 specimens. Ten distinct evolutionary lineages were recovered from the three recognized species, eight of which were recognized as species/putative species. Five of these putative species were found to be masquerading as the gracile shrew mole. The divergence time estimation results indicated that climate change since the last Miocene and the uplift of the Himalayas may have resulted in the diversification and speciation of Uropsilus.ConclusionsThe cryptic diversity found in this study indicated that the number of species is strongly underestimated under the current taxonomy. Two synonyms of gracilis (atronates and nivatus) should be given full species status, and the taxonomic status of another three potential species should be evaluated using extensive taxon sampling, comprehensive morphological, and morphometric approaches. Consequently, the conservation status of Uropsilus spp. should also be re-evaluated, as most of the species/potential species have very limited distribution.

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“…For example, the montane archipelagos to the east of the Sichuan Basin are much lower than the Hengduan Mountains and are discretely distributed. However, recent studies have shown that these mountains are also inhabited by cold‐adapted species, implying that they might act as cryptic refugia, allowing stepping‐stone colonization (Chen et al, , ).…”

Section: Introductionmentioning

confidence: 99%

Cryptic phylogeographic history sheds light on the generation of species diversity in sky‐island mountains

Gutiérrez

Heming

et al. 2019

Journal of Biogeography

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Aim The aim of this study was to conduct comprehensive phylogeographic and demographic analyses to examine the degree to which topographic and climatic conditions have affected the patterns of diversification and migration in a strictly montane inhabitant, the montane long‐tailed mole (Scaptonyx fusicaudus). Location The mountains of south‐western China and adjacent mountains including Mts. Bashan, Dalou and Qinling also known as the sky islands in south‐western China. Taxon The long‐tailed mole (S. fusicaudus), a semi‐fossorial mammal distributed in the sky islands of south‐western China, is a relict species and the sole representative of the tribe Scaptonychini. Methods We sequenced one mitochondrial and six nuclear genes from 113 samples across the species’ range. We estimated phylogenetic relationships and divergence times, conducted genetic structuring and species delimitation using multiple approaches and used Approximate Bayesian Computation to test potential gene flow. We conducted ecological niche modelling to predict the species’ potential distribution in the present, the last glacial maximum and the last interglacial (LIG). Results The species comprises a minimum of 17 operational taxonomic units which are isolated in different mountain ranges. The lowlands and large rivers act as barriers to dispersal, and have isolated evolutionary lineages for up to 11 million years. Long‐distance dispersal is evident among a few discrete montane archipelagos. Suitable climatic conditions during the LIG are limited to only a few sites, thus geographically restricting climatic stable areas across geological periods (from the LIG to the present). Main conclusions For low‐vagility species, the complex topography of the sky islands has promoted exceptional diversification through a combination of eco‐environmental stability as well as geographic fragmentation. The mountains have acted as a buffer against climate change, and have provided continuously suitable habitats for S. fusicaudus since the early Late Miocene, supporting the hypothesis that the sky islands constitute “museums” of ancient lineages. Lowlands and river valleys have acted as barriers preventing gene flow, while the montane archipelagos could have provided stepping stones to facilitate dispersal.

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Molecular phylogeny of Asiatic Short-Tailed Shrews, genus Blarinella Thomas, 1911 (Mammalia: Soricomorpha: Soricidae) and its taxonomic implications

Cited by 21 publications

References 1 publication

Complete mitochondrial genomes throw light on budding speciation in three Biston species (Lepidoptera, Geometridae)

Complete mitochondrial genomes throw light on budding speciation in three Biston species (Lepidoptera, Geometridae)

Multilocus phylogeny and cryptic diversity in Asian shrew-like moles (Uropsilus, Talpidae): implications for taxonomy and conservation

Cryptic phylogeographic history sheds light on the generation of species diversity in sky‐island mountains

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