期刊
FEMS MICROBIOLOGY ECOLOGY
卷 95, 期 6, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/femsec/fiz072
关键词
meta-analysis; cattle; microbiome; rumen; microbiota; 16S rRNA gene
类别
The bovine gastrointestinal (GI) tract microbiota has important influences on animal health and production. Presently, a large number of studies have used high-throughput sequencing of the archaeal and bacteria 16S rRNA gene to characterize these microbiota under various experimental parameters. By aggregating publically available archaeal and bacterial 16S rRNA gene datasets from 52 studies we were able to determine taxa that are common to nearly all microbiota samples from the bovine GI tract as well as taxa that are strongly linked to either the rumen or feces. The methanogenic genera Methanobrevibacter and Methanosphaera were identified in nearly all fecal and rumen samples (>99.1%), as were the bacterial genera Prevotella and Ruminococcus (>= 92.9%). Bacterial genera such as Alistipes, Bacteroides, Clostridium, Faecalibacterium and Escherichia/Shigella were associated with feces and Fibrobacter, Prevotella, Ruminococcus and Succiniclasticum with the rumen. As expected, individual study strongly affected the bacterial community structure, however, fecal and rumen samples did appear separated from each other. This meta-analysis provides the first comparison of high-throughput sequencing 16S rRNA gene datasets generated from the bovine GI tract by multiple studies and may serve as a foundation for improving future microbial community research with cattle.
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