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Age-related changes in the gut microbiota of the Chinese giant salamander (Andrias davidianus)
Zhang, Mengjie1,2; Gaughan, Sarah3; Chang, Qing2; Chen, Hua4; Lu, Guoqing3; Wang, Xungang1; Xu, Liangliang1,2; Zhu, Lifeng2,3; Jiang, Jianping1
Corresponding AuthorZhu, Lifeng(zhulf@ioz.ac.cn) ; Jiang, Jianping(jiangjp@cib.ac.cn)
2019-07-01
Source PublicationMICROBIOLOGYOPEN
ISSN2045-8827
Volume8Issue:7Pages:14
AbstractThe composition of the intestinal microbial community may vary across developmental stages. In this study, we explored how this microbial community shifted along the intestinal tract of the Chinese giant salamander (Andrias davidianus) at various ages. Next-generation sequencing was used to sequence the bacterial 16S rRNA gene from different kind of samples, including the stomach, duodenum, ileum, and rectum. The highest mean relative abundance of the bacterial community in the gastrointestinal tract shifted in relation to age: within the first year, Bacteroidetes (47.76%) dominated the gut microbiome, whereas Proteobacteria was the most dominant at age 2 (32.88%) and age 3 (30.78%), and finally, Firmicutes was the most dominant at age 4 (34.70%). The overall richness of the gut bacterial community also generally increased from age 2 to 4. Hierarchical cluster analysis revealed that the gut microbiome at age 2 had greater variability than that at either age 3 or 4, likely representing a shift in diet from yolk or redworms as a juvenile to shrimp or crab as an adult. As these salamanders develop, their gastrointestinal tracts increase in complexity, and this compartmentalization may also facilitate an increase in microbial gut diversity.
Keywordage Chinese giant salamander gastrointestinal tract microbial community changes nutritional source shift
DOI10.1002/mbo3.778
Indexed BySCI
WOS KeywordAMPHIBIANS ; EVOLUTION ; MYCOPLASMA
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFC0503200] ; Technology Foundation for Selected Overseas Chinese Scholar[Y6D3041] ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000474644100020
Funding OrganizationNational Key Research and Development Program of China ; Technology Foundation for Selected Overseas Chinese Scholar ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/26733
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorZhu, Lifeng; Jiang, Jianping
Affiliation1.Chinese Acad Sci, Chengdu Inst Biol, Chengdu, Sichuan, Peoples R China
2.Nanjing Normal Univ, Coll Life Sci, Nanjing, Jiangsu, Peoples R China
3.Univ Nebraska Omaha, Dept Biol, Omaha, NE USA
4.Shanghai Biozeron Bioinformat Ctr, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Mengjie,Gaughan, Sarah,Chang, Qing,et al. Age-related changes in the gut microbiota of the Chinese giant salamander (Andrias davidianus)[J]. MICROBIOLOGYOPEN,2019,8(7):14.
APA Zhang, Mengjie.,Gaughan, Sarah.,Chang, Qing.,Chen, Hua.,Lu, Guoqing.,...&Jiang, Jianping.(2019).Age-related changes in the gut microbiota of the Chinese giant salamander (Andrias davidianus).MICROBIOLOGYOPEN,8(7),14.
MLA Zhang, Mengjie,et al."Age-related changes in the gut microbiota of the Chinese giant salamander (Andrias davidianus)".MICROBIOLOGYOPEN 8.7(2019):14.
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