Mar 25, 2020

Genetic Diversity and Population Structure in the Yaeyama flying fox

BioRxiv : the Preprint Server for Biology
Y. Taki, C. E. Vincenot


There are 122 mammal species in Japan, and 37 of them are bats. Especially, the species of genus Pteropus have big body size and the ability to fly hundreds of kilometers and have important roles in pollination and seed dispersal. The Ryukyu flying fox (Pteropus dasymallus) is one of the Pteropus species in Japan, distributed in the Ryukyu archipelago, Taiwan, and possibly the Philippines, and is divided into 5 subspecies. Although they are listed as VU (vulnerable) in IUCN Red List, few genetic analyses have been conducted for their conservation. The purpose of this study is to evaluate genetic diversity and investigate the genetic structure of Yaeyama flying fox, one of the subspecies of the Ryukyu flying fox. We conducted mtDNA haplotype analysis and microsatellite analysis with the 18 markers we developed. mtDNA analysis was conducted with the samples collected in 8 islands (Miyako, Ishigaki, Kohama, Kuroshima, Hateruma, Taketomi, Iriomote, Yonaguni) We identified 39 haplotypes in 526bp of the control region of 142 samples. 14 haplotypes were shared between some islands, and haplotype network for the 8 islands did not show any clear genetic structure. However, haplotype diversity was higher in Ishigaki and Iriomote compared...Continue Reading

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