Document Detail

Lactobacillus plantarum Promotes Drosophila Systemic Growth by Modulating Hormonal Signals through TOR-Dependent Nutrient Sensing.
MedLine Citation:
PMID:  21907145     Owner:  NLM     Status:  In-Data-Review    
There is growing evidence that intestinal bacteria are important beneficial partners of their metazoan hosts. Recent observations suggest a strong link between commensal bacteria, host energy metabolism, and metabolic diseases such as diabetes and obesity. As a consequence, the gut microbiota is now considered a "host" factor that influences energy uptake. However, the impact of intestinal bacteria on other systemic physiological parameters still remains unclear. Here, we demonstrate that Drosophila microbiota promotes larval growth upon nutrient scarcity. We reveal that Lactobacillus plantarum, a commensal bacterium of the Drosophila intestine, is sufficient on its own to recapitulate the natural microbiota growth-promoting effect. L. plantarum exerts its benefit by acting genetically upstream of the TOR-dependent host nutrient sensing system controlling hormonal growth signaling. Our results indicate that the intestinal microbiota should also be envisaged as a factor that influences the systemic growth of its host.
Gilles Storelli; Arnaud Defaye; Berra Erkosar; Pascal Hols; Julien Royet; François Leulier
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cell metabolism     Volume:  14     ISSN:  1932-7420     ISO Abbreviation:  Cell Metab.     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-09-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101233170     Medline TA:  Cell Metab     Country:  United States    
Other Details:
Languages:  eng     Pagination:  403-14     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Institut de Biologie du Développement de Marseille-Luminy (IBDML), CNRS UMR 6216/Aix-Marseille Universités, 13288 Marseille, France.
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