Phylogeographic analysis of the Bufo gargarizans species complex: A revisit

Fu, Jinzhong; Weadick, Cameron J.; Zeng, Xiaomao; Wang, Yuezhao; Liu, Zhijun; Yi, Zheng; Li, Cheng; Hu, Ying

doi:10.1016/j.ympev.2005.03.023

Cited by 49 publications

(95 citation statements)

References 20 publications

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“…Those few individuals clustered in western clade could occur in the eastern area, presumably as a result of west to east dispersal events. This hypothesis of west to east dispersal trend of D. acutus, derived from the existing data, is consistent with that of the Bufo gargarizans species group (Fu et al, 2005) whose distribution range overlaps with that of D. acutus.…”

Section: Dispersal and Originsupporting

confidence: 87%

“…These have been demonstrated successfully by some studies on amphibians and reptiles with limited dispersal capabilities (e.g., Carranza et al, 2000;Fu et al, 2005). In the present study, a generally west to east dispersal trend of D. acutus populations could be suggested by our phylogenetic tree.…”

Section: Dispersal and Originsupporting

confidence: 83%

“…The information derived from molecular data of these studies, undetectable through traditional biogeography and demography, is essential to examining population dynamics and understanding evolutionary processes (Avise, 1994;Prior et al, 1997), and could provide the foundation for formulating and implementing any conservation and management plan (e.g., Frankham et al, 2002;Hrbek et al, 2005;Ma et al, 2006). In Mainland China, few such studies have been reported, and most of them involve endotherm species, fishes, and amphibians (e.g., Macey et al, 1998b;Murphy et al, 2000;Su et al, 2001;Pang et al, 2003;Perdices et al, 2004Perdices et al, , 2005Fu et al, 2005;Li et al, 2005;Zhao et al, 2005). Few such studies involve terrestrial poikilotherms with narrow habitat requirements and limited dispersal potentials such as venomous snakes; this is partly also due to their secretive habits, difficulty in obtaining representative samples (described by Ursenb-acher et al, 2006), and their toxicity to humans.…”

Section: Introductionmentioning

confidence: 99%

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Molecular phylogeography of endangered sharp-snouted pitviper (Deinagkistrodon acutus; Reptilia, Viperidae) in Mainland China

Huang

Peng

et al. 2007

Molecular Phylogenetics and Evolution

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Section: Dispersal and Originsupporting

confidence: 87%

Section: Dispersal and Originsupporting

confidence: 83%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Molecular phylogeography of endangered sharp-snouted pitviper (Deinagkistrodon acutus; Reptilia, Viperidae) in Mainland China

Huang

Peng

et al. 2007

Molecular Phylogenetics and Evolution

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“…Several alternative outgroups were selected and used to root our trees based on previous studies (e.g., Macey et al, 1998;Fu et al, 2005), including B. tibetanus and B. bankorensis. Similar to Fu et al (2005), we found that different outgroups rooted the tree differently, which produced dramatically different evolutionary relationships.…”

Section: Phylogenetic Treesmentioning

confidence: 99%

“…For example, using mtDNA sequence data, Macey et al (1998) found that the complex formed two elevational groups, and suggested a two-species solution. With much larger sample sizes and more mtDNA sequences, both Fu et al (2005) and Hu et al (2007) found neither elevation-based nor geography-based monophyletic groups, and concluded that all populations belonged to a single species without subspecies division. Most recently, Zhan and Fu (2011) examined six nuclear genes and one mtDNA gene, and reached the same conclusion.…”

Section: Introductionmentioning

confidence: 97%

Population Genetic Structure and Species Status of Asiatic Toads (Bufo gargarizans) in Western China

Wen

Yang

2015

Zoological Science

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We investigated the population genetic structure of Asiatic toads (Bufo gargarizans) from the mountains of western China to determine their species status, using genotypic data of ten microsatellite DNA loci and DNA sequences from one mitochondrial gene. A total of 197 samples from eight sites were examined, which cover a large range of elevations (559-3457 m), as well as all three traditionally defined species (or subspecies). AMOVA did not reveal any particularly large among-groups structure, whether the sites were grouped by drainage, elevation, region, or species (subspecies). Individual assignment tests placed all samples into two genetic clusters, which largely corresponded to their geographic locations. An isolation-by-distance pattern was also detected when an outlier population (site 3) was excluded. Furthermore, a mitochondrial gene tree revealed deep divergence among haplotypes, sometimes within the same site. The clade patterns were partially associated with geographic distribution but had no resemblance to the traditional 2-or 3-species classification. Overall, these toad populations harbor a large amount of genetic diversity and have very high population differentiation, but taken together the evidence suggests that all populations belong to a single species. Our results are consistent with most previous molecular studies, and we recommend using Bufo gargarizans to represent all Asiatic toad populations from western China without subspecies division.

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Genomic analysis reveals deep population divergence in the water snake Trimerodytes percarinatus (Serpentes, Natricidae)

Lyu,

Liu,

et al. 2024

Ecology and Evolution

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Although several phylogeographic studies of Asian snakes have been conducted, most have focused on pitvipers, with non‐venomous snakes, such as colubrids or natricids, remaining poorly studied. The Chinese keelback water snake (Trimerodytes percarinatus Boulenger) is a widespread, semiaquatic, non‐venomous species occurring in China and southeastern Asia. Based on mitochondrial DNA (mtDNA) and single nucleotide polymorphism (SNP) data, we explored the population genetic structure, genetic diversity, and evolutionary history of this species. MtDNA‐based phylogenetic analysis showed that T. percarinatus was composed of five highly supported and geographically structured lineages. SNP‐based phylogenetic analysis, principal component analysis, and population structure analysis consistently revealed four distinct, geographically non‐overlapping lineages, which was different from the mtDNA‐based analysis in topology. Estimation of divergence dates and ancestral area of origin suggest that T. percarinatus originated ~12.68 million years ago (95% highest posterior density: 10.36–15.96 Mya) in a region covering southwestern China and Vietnam. Intraspecific divergence may have been triggered by the Qinghai‐Xizang Plateau uplift. Population demographics and ecological niche modeling indicated that the effective population size fluctuated during 0.5 Mya and 0.002 Mya. Based on the data collected here, we also comment on the intraspecific taxonomy of T. percarinatus and question the validity of the subspecies T. p. suriki.

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Phylogeographic analysis of the Bufo gargarizans species complex: A revisit

Cited by 49 publications

References 20 publications

Molecular phylogeography of endangered sharp-snouted pitviper (Deinagkistrodon acutus; Reptilia, Viperidae) in Mainland China

Molecular phylogeography of endangered sharp-snouted pitviper (Deinagkistrodon acutus; Reptilia, Viperidae) in Mainland China

Population Genetic Structure and Species Status of Asiatic Toads (Bufo gargarizans) in Western China

Genomic analysis reveals deep population divergence in the water snake Trimerodytes percarinatus (Serpentes, Natricidae)

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