Comparative analysis of intestinal flora of Microtus fortis living under laboratory feeding and wild survival conditions
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(1. Shanghai Laboratory Animal Research Center,Shanghai 201203, China. 2. Shanghai Xipuer⁃Bikai Laboratory Animal Limited Company, Shanghai 201203)

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National Science and Technology Support Program(No. 2015BAI09B04)

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    Abstract:

    Objective To compare the differences of bacterial distribution of intestinal flora in Microtus fortis living under laboratory feeding and wild survival conditions. Methods The 16S rDNA?V4?V5 region of bacteria in the ileocecal contents from Microtus fortis raised in lab and captured in wild were measured by high?throughput sequencing. The number of operational taxonomic units (OTUs) were sorted and calculated, and the species abundance and distribution and difference were analyzed. Results The rarefaction curves indicated that adequate sampling was achieved. At the phylum level, the distribution of intestinal flora between two groups was similar. The experimental group had a unique phylum, Lentisphaerae. The wild type group had 3 unique phylums, Fusobacteria, Thaumarchaeota and an unclassified phylum. At the genus level, the kind of intestinal flora in the wild type group was more abundant than the experimental group. Ruminococcus is the largest differential genus. Conclusions The microbial community structure and differences of Microtus fortis living under different conditions are obtained. It may further enrich the basic biology data of Microtus fortis.

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History
  • Received:September 05,2017
  • Revised:
  • Adopted:
  • Online: May 14,2018
  • Published: