期刊
INFECTION GENETICS AND EVOLUTION
卷 47, 期 -, 页码 41-50出版社
ELSEVIER
DOI: 10.1016/j.meegid.2016.11.013
关键词
Astroviruses; Bats; Genetic diversity; Cambodia; Lao PDR
资金
- United States Agency for International Development (USAID) Emerging Pandemic Threats PREDICT project [GHN-A-OO-09-00010-00]
Astroviruses are known to infect humans and a wide range of animal species, and can cause gastroenteritis in their hosts. Recent studies have reported astroviruses in bats in Europe and in several locations in China. We sampled 1876 bats from 17 genera at 45 sites from 14 and 13 provinces in Cambodia and Lao PDR respectively, and tested them for astroviruses. Our study revealed a high diversity of astroviruses among various Yangochiroptera and Yinpterochiroptera bats. Evidence for varying degrees of host restriction for astroviruses in bats was found. Furthermore, additional Pteropodid hosts were detected. The astroviruses formed distinct phylogenetic clusters within the genus Mamastrovirus, most closely related to other known bat astroviruses. The astrovirus sequences were found to be highly saturated indicating that phylogenetic relationships should be interpreted carefully. An astrovirus clustering in a group with other viruses from diverse hosts, including from ungulates and porcupines, was found in a Rousettus bat. These findings suggest that diverse astroviruses can be found in many species of mammals, including bats. (C) 2016 Elsevier B.V. All rights reserved.
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