Buccal swabbing as a noninvasive method to determine bacterial, archaeal, and eukaryotic microbial community structures in the rumen

Applied and Environmental Microbiology
S KittelmannP H Janssen

Abstract

Analysis of rumen microbial community structure based on small-subunit rRNA marker genes in metagenomic DNA samples provides important insights into the dominant taxa present in the rumen and allows assessment of community differences between individuals or in response to treatments applied to ruminants. However, natural animal-to-animal variation in rumen microbial community composition can limit the power of a study considerably, especially when only subtle differences are expected between treatment groups. Thus, trials with large numbers of animals may be necessary to overcome this variation. Because ruminants pass large amounts of rumen material to their oral cavities when they chew their cud, oral samples may contain good representations of the rumen microbiota and be useful in lieu of rumen samples to study rumen microbial communities. We compared bacterial, archaeal, and eukaryotic community structures in DNAs extracted from buccal swabs to those in DNAs from samples collected directly from the rumen by use of a stomach tube for sheep on four different diets. After bioinformatic depletion of potential oral taxa from libraries of samples collected via buccal swabs, bacterial communities showed significant clustering by di...Continue Reading

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Feb 7, 2017·Microbial Biotechnology·Alessandro TancaSergio Uzzau
Mar 20, 2016·Applied and Environmental Microbiology·Laura GlendinningGerry McLachlan
Sep 29, 2018·Animal : an International Journal of Animal Bioscience·Stuart Edward DenmanC S McSweeney
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Feb 15, 2019·Frontiers in Immunology·Kieran G Meade, Cliona O'Farrelly
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Related Concepts

Metazoa
Archaea
Buccal Mucosa
Rumen
Dall Sheep
Sequence Determinations, DNA
Biological Community
Ciliata
Clinical Trials
Diet

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