Microbial diversity in the rumen, reticulum, omasum, and abomasum of yak on a rapid fattening regime in an agro-pastoral transition zone

The ruminant digestive system harbors a complex gut microbiome, which is poorly understood in the case of the four stomach compartments of yak. High-throughput sequencing and quantitative PCR were used to analyse microbial communities in the rumen, reticulum, omasum, and abomasum of six domesticated...

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Bibliographic Details
Published in:The journal of microbiology 2018, 56(10), , pp.734-743
Main Authors: Xue, Dan, Chen, Huai, Luo, Xiaolin, Guan, Jiuqiang, He, Yixin, Zhao, Xinquan
Format: Article
Language:English
Subjects:
Abomasum
Abomasum - microbiology
Agriculture
Animal Feed
Animals
Bacteria
Bacteria - classification
Bacteria - genetics
Bacteria - isolation & purification
Biomedical and Life Sciences
Cattle - microbiology
Compartments
Composition
Digestive system
DNA
Fats - administration & dosage
Fatty acids
Fungi
Gastrointestinal Microbiome
High-Throughput Nucleotide Sequencing
Intestinal flora
Intestinal microflora
Life Sciences
Male
Methanogenic bacteria
Microbial activity
Microbial Ecology and Environmental Microbiology
Microbiology
Microbiomes
Microorganisms
Next-generation sequencing
Nucleotide sequence
Omasum - microbiology
PCR
Prokaryotes
Protozoa
Rumen
Rumen - microbiology
Stomach
Stomach, Ruminant - microbiology
Transition zone
Volatile fatty acids
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Summary:The ruminant digestive system harbors a complex gut microbiome, which is poorly understood in the case of the four stomach compartments of yak. High-throughput sequencing and quantitative PCR were used to analyse microbial communities in the rumen, reticulum, omasum, and abomasum of six domesticated yak. The diversity of prokaryotes was higher in reticulum and omasum than in rumen and abomasum. Bacteroidetes predominated in the four stomach compartments, with abundance gradually decreasing in the trend rumen > reticulum > omasum > abomasum. Microorganism composition was different among the four compartments, all of which contained high levels of bacteria, methanogens, protozoa and anaerobic fungi. Some prokaryotic genera were associated with volatile fatty acids and pH. This study provides the first insights into the microorganism composition of four stomach compartments in yak, and may provide a foundation for future studies in this area.
ISSN:1225-8873
1976-3794
DOI:10.1007/s12275-018-8133-0