Journal
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
Volume 149, Issue 1, Pages 4-18Publisher
ELSEVIER
DOI: 10.1016/j.ijfoodmicro.2011.01.019
Keywords
Probiotic; Classification; Metabolism; Gut interaction; Genetic tools and plasmid
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Members of the genus Bifidobacterium were first described over a century ago and were quickly associated with a healthy intestinal tract due to their numerical dominance in breast-fed babies as compared to bottle-fed infants. Health benefits elicited by bifidobacteria to its host, as supported by clinical trials, have led to their wide application as probiotic components of health-promoting foods, especially in fermented dairy products. However, the relative paucity of genetic tools available for bifidobacteria has impeded development of a comprehensive molecular understanding of this genus. In this review we present a summary of current knowledge on bifidobacterial metabolism, classification, physiology and genetics and outline the currently available methods for genetically accessing and manipulating the genus. (C) 2011 Elsevier B.V. All rights reserved.
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