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Species and genetic diversity of Bandicota (Murinae, Rodentia) from Myanmar based on mitochondrial and nuclear gene sequences

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Title: Species and genetic diversity of Bandicota (Murinae, Rodentia) from Myanmar based on mitochondrial and nuclear gene sequences
Authors: Mori, Satoko Browse this author
Thwe, Thidalay Browse this author
Thu, Wai Min Browse this author
Yasuda, Shumpei P. Browse this author
Bawm, Saw Browse this author
Tsuchiya, Kimiyuki Browse this author
Katakura, Ken Browse this author →KAKEN DB
Arai, Satoru Browse this author →KAKEN DB
Yoshimatsu, Kumiko Browse this author →KAKEN DB
Suzuki, Hitoshi Browse this author →KAKEN DB
Keywords: Phylogeny
Bandicoot rats
Issue Date: Jul-2020
Publisher: Springer
Journal Title: Mammal Research
Volume: 65
Issue: 3
Start Page: 493
End Page: 502
Publisher DOI: 10.1007/s13364-020-00491-1
Abstract: Bandicoot rats (genus Bandicota), widely known as rodent pests, are abundant and widespread throughout the continental part of the Indo-Malayan realm. However, their evolutionary history is not yet well understood. The molecular phylogenetic relationships of the three bandicoot rat species, Bandicota bengalensis, Bandicota indica, and Bandicota savilei, were assessed based on the gene sequences of the specimens collected from Myanmar, where all three species occur along with database sequences. Early divergence of B. savilei (1.5-1.7 million years ago) was inferred from the mitochondrial cytochrome b (Cytb) gene and the nuclear interphotoreceptor retinoid-binding protein (Irbp), and melanocortin 1 receptor (Mc1r) gene sequences. The Cytb lineage of B. bengalensis from Sri Lanka was distinct from the monophyletic lineage of the continental lineages of B. bengalensis and B. indica. This can be explained by the preservation of ancient mitochondrial DNA (mtDNA) in the insular population owing to female philopatry and male dispersal, given that no substantial intraspecies geographic subdivision was observed in the nuclear markers. The paraphyletic relationship of B. bengalensis with B. indicamay be explained by introgression of the mtDNA from B. bengalensis to B. indica, but further investigation is required to confirm this. B. bengalensis Cytb sequences from a wide area of Myanmar had limited nucleotide diversity (π = 0.00079), implying that the genetic diversity of B. bengalensisin Myanmar was acquired through Holocene human activities.
Rights: This is a post-peer-review, pre-copyedit version of an article published in Mammal Research. The final authenticated version is available online at:
Type: article (author version)
Appears in Collections:環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 仁

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