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Public Library of Science, PLoS ONE, 10(6), p. e25329, 2011

DOI: 10.1371/journal.pone.0025329

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Cellulosomics, a Gene-Centric Approach to Investigating the Intraspecific Diversity and Adaptation of Ruminococcus flavefaciens within the Rumen

Journal article published in 2011 by Jennifer M. Brulc, Carl J. Yeoman, Melissa K. Wilson, Margret E. Berg Miller, Margret E. Berg Miller, Patricio Jeraldo ORCID, Sadanari Jindou, Nigel Goldenfeld, Harry J. Flint, Raphael Lamed, Ilya Borovok ORCID, Maša Vodovnik ORCID, Karen E. Nelson, Edward A. Bayer, Bryan A. White
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The bovine rumen maintains a diverse microbial community that serves to break down indigestible plant substrates. However, those bacteria specifically adapted to degrade cellulose, the major structural component of plant biomass, represent a fraction of the rumen microbiome. Previously, we proposed scaC as a candidate for phylotyping Ruminococcus flavefaciens, one of three major cellulolytic bacterial species isolated from the rumen. In the present report we examine the dynamics and diversity of scaC-types both within and between cattle temporally, following a dietary switch from corn-silage to grass-legume hay. These results were placed in the context of the overall bacterial population dynamics measured using the 16S rRNA.