Metagenomics in animal gastrointestinal ecosystem: a microbiological and biotechnological perspective
2008
Singh, B. | Bhat, T. K. | Kurade, N. P. | Sharma, O. P.
Metagenomics- the application of the genomics technologies to nonculturable microbial communities, is coming of age. These approaches can be used for the screening and selection of nonculturable rumen microbiota for assessing their role in gastrointestinal (GI) nutrition, plant material fermentation and the health of the host. The technologies designed to access this wealth of genetic information through environmental nucleic acid extraction have provided a means of overcoming the limitations of culture-dependent microbial genetic exploitation. The molecular procedures and techniques will result in reliable insights into the GI microbial structure and activity of the livestock gut microbes in relation to functional interactions, temporal and spatial relationships among different microbial consortia and dietary ingredients. Future developments and applications of these methods promise to provide the first opportunity to link distribution and identity of rumen microbes in their natural habitats with their genetic potential and in situ activities.
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