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Analysis of the bovine rumen microbiome reveals a diversity of Sus-like polysaccharide utilization loci from the bacterial phylum Bacteroidetes |
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| Authors: | Carly P. Rosewarne Phillip B. Pope Jane L. Cheung Mark Morrison |
| Affiliation: | 1. CSIRO Animal, Food and Health Sciences, Riverside Life Sciences Centre, PO Box 52, North Ryde, NSW, 2113, Australia 2. Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, ?s, Norway 3. CSIRO Animal, Food and Health Sciences, Queensland Biosciences Precinct, St Lucia, QLD, 4068, Australia 4. The University of Queensland Diamantina Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia |
| Abstract: | Several unique Sus-like polysaccharide utilization loci (PULs) were identified from bacteria resident in bovine rumen microbiomes through functional screening of a fosmid library. The loci were phylogenetically assigned to the genus Prevotella within the phylum Bacteroidetes. These findings were augmented by a bioinformatic re-evaluation of ruminal Prevotella genomes, revealing additional loci not previously reported in the literature. Analysis of Bacteroidales-affiliated genomes reconstructed from a bovine rumen metagenome in a previous study further expanded the diversity of Sus-like PULs resident in this microbiome. Our findings suggest that Sus-like systems represent an important mechanism for degradation of a range of plant-derived glycans in ruminants. |
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