Document Detail

Use of bifidobacterial specific terminal restriction fragment length polymorphisms to complement next generation sequence profiling of infant gut communities.
MedLine Citation:
PMID:  23261904     Owner:  NLM     Status:  Publisher    
Bifidobacteria are intestinal anaerobes often associated with gut health. Specific bifidobacterial species are particularly common in the gastrointestinal tract of breast-fed infants. Current short read next-generation sequencing approaches to profile fecal microbial ecologies do not discriminate bifidobacteria to the species level. Here we describe a low-cost terminal restriction fragment length polymorphism (TRFLP)-based procedure to distinguish between the common infant-associated bifidobacterial species. An empirical database of TRF sizes was created from both common reference strains and well-identified isolates from infant feces. Species-specific quantitative PCR validated bifidobacterial-specific TRFLP profiles from infant feces. These results indicate that bifidobacterial-specific TRFLP is a useful method to monitor intestinal bifidobacterial populations from infant fecal samples. When used alongside next generation sequencing methods that detect broader population levels at lower resolution, this high-throughput, low-cost tool can help clarify the role of bifidobacteria in health and disease.
Zachery T Lewis; Nicholas A Bokulich; Karen M Kalanetra; Santiago Ruiz-Moyano; Mark A Underwood; David A Mills
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-20
Journal Detail:
Title:  Anaerobe     Volume:  -     ISSN:  1095-8274     ISO Abbreviation:  Anaerobe     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9505216     Medline TA:  Anaerobe     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ltd.
Department of Viticulture and Enology, University of California, Davis, CA 95616, USA; Foods for Health Institute, University of California, Davis, CA 95616, USA.
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