Assembly of 913 microbial genomes from metagenomic sequencing of the cow rumen.

Assembly of 913 microbial genomes from metagenomic sequencing of the cow rumen.
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DOI:
10.1038/s41467-018-03317-6
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发表时间:
2018-02-28
影响因子:
16.6
通讯作者:
Watson M
Watson M
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Stewart RD;Auffret MD;Warr A;Wiser AH;Press MO;Langford KW;Liachko I;Snelling TJ;Dewhurst RJ;Walker AW;Roehe R;Watson M

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The cow rumen is adapted for the breakdown of plant material into energy and nutrients, a task largely performed by enzymes encoded by the rumen microbiome. Here we present 913 draft bacterial and archaeal genomes assembled from over 800 Gb of rumen metagenomic sequence data derived from 43 Scottish cattle, using both metagenomic binning and Hi-C-based proximity-guided assembly. Most of these genomes represent previously unsequenced strains and species. The draft genomes contain over 69,000 proteins predicted to be involved in carbohydrate metabolism, over 90% of which do not have a good match in public databases. Inclusion of the 913 genomes presented here improves metagenomic read classification by sevenfold against our own data, and by fivefold against other publicly available rumen datasets. Thus, our dataset substantially improves the coverage of rumen microbial genomes in the public databases and represents a valuable resource for biomass-degrading enzyme discovery and studies of the rumen microbiome. Microbes in the cow rumen are crucial for the breakdown of plant material. Here, Stewart et al. assemble over 900 bacterial and archaeal genomes from the cow rumen microbiome, revealing new species and genes encoding enzymes with potential roles in carbohydrate metabolism.
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