ArticlePloS one2016
Genetic Diversity and Structure among Isolated Populations of the Endangered Gees Golden Langur in Assam, India.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 22 citations in OpenAlex.
- Geography vs. past climate: the drivers of population genetic structure of the Himalayan langur.BMC ecology and evolution · 2022Article
- Understanding the convoluted evolutionary history of the capped-golden langur lineage (Cercopithecidae: Colobinae)†.Journal of genetics · 2021Article
- Mitogenomic phylogeny of the Asian colobine genusZoological research · 2020Article
- Riverine barrier effects on population genetic structure of the Hanuman langur (Semnopithecus entellus) in the Nepal Himalaya.BMC evolutionary biology · 2018Article
- Population genetic structure and evolutionary history of Bale monkeys (Chlorocebus djamdjamensis) in the southern Ethiopian Highlands.BMC evolutionary biology · 2018Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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Abstract
Gee's golden langur (Trachypithecus geei) is an endangered colobine primate, endemic to the semi-evergreen and mixed-deciduous forests of Indo-Bhutan border. During the last few decades, extensive fragmentation has caused severe population decline and local extinction of golden langur from several fragments. However, no studies are available on the impact of habitat fragmentation and the genetic diversity of golden langur in the fragmented habitats. The present study aimed to estimate the genetic diversity in the Indian population of golden langur. We sequenced and analyzed around 500 bases of the mitochondrial DNA (mtDNA) hypervariable region-I from 59 fecal samples of wild langur collected from nine forest fragments. Overall, genetic diversity was high (h = 0.934, π = 0.0244) and comparable with other colobines. Populations in smaller fragments showed lower nucleotide diversity compared to the larger forest fragments. The median-joining network of haplotypes revealed a genetic structure that corresponded with the geographical distribution. The Aie and Champabati Rivers were found to be a barrier to gene flow between golden langur populations. In addition, it also established that T. geei is monophyletic but revealed possible hybridization with capped langur, T. pileatus, in the wild. It is hoped that these findings would result in a more scientific approach towards managing the fragmented populations of this enigmatic species.
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