[1].Characterization of Skin Symbiotic Bacteria of Sympatric Amphibians in Southeastern China[J].Asian Herpetological Research,2020,11(4):381-393.[doi:10.16373/j.cnki.ahr.200033]
 Xuejiao YANG,Xianglei HOU,Li WEI,et al.Characterization of Skin Symbiotic Bacteria of Sympatric Amphibians in Southeastern China[J].Asian Herpetological Research(AHR),2020,11(4):381-393.[doi:10.16373/j.cnki.ahr.200033]
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Characterization of Skin Symbiotic Bacteria of Sympatric Amphibians in Southeastern China()
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

卷:
11
期数:
2020年4期
页码:
381-393
栏目:
出版日期:
2020-12-25

文章信息/Info

Title:
Characterization of Skin Symbiotic Bacteria of Sympatric Amphibians in Southeastern China
文章编号:
AHR-2020-0033
Author(s):
Xuejiao YANG12 Xianglei HOU12 Li WEI3 Yu LI12 Mingshuo QIN12 Tianjian SONG12 and Yiming LI12*
1 Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China2 University of Chinese Academy of Sciences, Beijing 100049, China3 College of Ecology, Lishui University, Lishui 323000, Zhejiang, China
Keywords:
bacterial communities ecomorphology frog microbiome skin
DOI:
10.16373/j.cnki.ahr.200033
Abstract:
The fungal infection called chytridiomycosis, caused by Batrachochytrium dendrobatidis (Bd), has given rise to dramatic declines or extinctions of many amphibian species around the world; however, in Asia, this disease has shown a low zoospore load or scant mortality. One potential reason for this may be that certain unique community structures of amphibian skin symbiosis contribute to the outcome of the disease; nevertheless, we know very little about the microbiota in this region. In this study, we used skin swabs of five sympatric amphibian species that have various habitat preferences in Lishui, Zhejiang Province, a place in southeastern China, to explore the skin bacterial communities by using 16S rRNA amplicon sequencing. We detected a total of 1020 OTUs, belonging to 17 phyla, among which Proteobacteria, Firmicutes, Actinobacteria and Bacteroidetes dominated all five host species. Enterobacteriaceae and Exiguobacteraceae and the genera Escherichia and Exiguobacterium belonging to these two families were identified as the most abundant taxa on our focal species. The alpha diversity was significantly lower on the terrestrial species, and also the highly enriched Proteobacteria was found on the terrestrial species, Rana zhenhaiensis, whereas Actinobacteria, Bacteroidetes, Cyanobacteria and Firmicutes were more abundant on aquatic species than on the terrestrial species. Our results suggest that both host species and habitat sites are important factors driving skin microbial diversity and composition and that amphibians in China may harbour unique skin bacterial communities. This study helps elucidate amphibian skin microbial ecology, and with further efforts, the specific mechanism of the interaction between Bd and host amphibians in China could be elucidated.

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更新日期/Last Update: 2020-12-25