Cited by 103Ruminant Nutrition and Digestive PhysiologyAnaerobic Digestion and Biogas ProductionGut microbiota and health

Characterization of the dynamics of initial bacterial colonization of nonconserved forage in the bovine rumen: Dynamics of rumen bacterial colonization of fresh forage

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Edwards, Joan E., Huws, Sharon A., Kim, Eun Joong, Kingston-Smith, Alison H.·2007·FEMS Microbiology Ecology

Abstract

Microbial colonization is central to ruminal degradation of dietary material yet little is known about the dynamics of this process. The aim of this study was to characterize the initial stages of bacterial colonization of forage, and to assess the impact that different postsample processing and analysis methods had on the results obtained. Bacterial 16S rRNA gene-based analysis of damaged, nonconserved perennial ryegrass, incubated in sacco in the bovine rumen, required the development and validation of new quantitative PCR and denaturing gradient gel electrophoresis (DGGE) primers. Analysis with previously available primer sets was compromised due to dominant amplification of forage-derived chloroplast 16S rRNA genes. DGGE analysis of incubated samples demonstrated that a diverse and consistent population of ruminal bacteria colonized rapidly. Postsampling methodologies did not affect overall population profiles whereas the washing method appeared to influence bacterial numbers. However, regardless of processing methodology, bacterial numbers increased rapidly within 5 min, stabilizing after 15 min of incubation. These findings reveal for the first time the dynamics of bacterial colonization of forage within the rumen.

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  1. Kim EJ, Dewhurst RJ, Merry RJ et al. (2003). Molecular analysis of the bacterial colonisation of freshly-ingested grass and white clover. Proceedings of the Conference on Gastrointestinal Function. Chicago, IL, USA.
  2. c 2007 Institute of Grassland and Environmental Research Journal compilation c 2007 Federation of European Microbiological Societies Published by Blackwell Publishing Ltd. colonic lumen and caecal lumen of a pig. Appl Environ Microbiol 65: 5372-5377.

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Authors
Edwards, J. E., Huws, S. A., Kim, E. J., & Kingston-Smith, A. H.
Affiliations
Aberystwyth University (GB)
Corresponding author
Edwards, Joan E.
Venue
FEMS Microbiology Ecology
Published
2007-12
Volume
62
Issue
3
Pages
323-335
ISSN
  • 0168-6496 (ISSN-L)
  • 1574-6941
OpenAlex
W2169502967
Cited by
103
References
56
Citations by year
2026: 4 · 2025: 2 · 2024: 3 · 2023: 4 · 2022: 4 · 2021: 6 · 2020: 3 · 2019: 4 · 2018: 4 · 2017: 9 · 2016: 8 · 2015: 9 · 2014: 7 · 2013: 9 · 2012: 8
FWCI
8.21
Type
journal article
Language
en
Open access
Locations
  • FEMS Microbiology Ecology (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (Queen's University Belfast) (submittedVersion)
Funders
  • Directorate for Biological Sciences
  • Biotechnology and Biological Sciences Research Council (BBS/E/G/00003008)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
forage degradation, perennial ryegrass, rumen bacteria, 16S rRNA gene, bacterial population dynamics, cattle
MeSH terms
Animals, Bacteria, Cattle, DNA, Bacterial, DNA, Ribosomal, Electrophoresis, Polyacrylamide Gel, Lolium, Molecular Sequence Data, RNA, Ribosomal, 16S, Rumen, Polymerase Chain Reaction, DNA Primers, Plastids, Genes, rRNA

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