Document Detail


Root nodulation: a paradigm for how plant-microbe symbiosis influences host developmental pathways.
MedLine Citation:
PMID:  22018235     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Legume plants have an exceptional capacity for association with microorganisms, ranging from largely nonspecific to very specific interactions. Legume-rhizobial symbiosis results in major developmental and metabolic changes for both the microorganism and host, while providing the plant with fixed nitrogen. A complex signal exchange leads to the selective rhizobial colonization of plant cells within nodules, new organs that develop on the roots of host plants. Although the nodulation mechanism is highly specific, it involves the same subset of plant phytohormones, namely auxin, cytokinin, and ethylene, which are required for root development. In addition, nodulation triggered by the rhizobia affects the development of the host root system, indicating that the microorganism can alter host developmental pathways. Nodulation by rhizobia is a prime example of how microorganisms and plants have coevolved and exemplifies how microbial colonization may affect plant developmental pathways.
Authors:
Guilhem J Desbrosses; Jens Stougaard
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cell host & microbe     Volume:  10     ISSN:  1934-6069     ISO Abbreviation:  Cell Host Microbe     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101302316     Medline TA:  Cell Host Microbe     Country:  United States    
Other Details:
Languages:  eng     Pagination:  348-58     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Affiliation:
Laboratory of Mediterranean and Tropical Symbiosis (LSTM) CC002, Université Montpellier 2, Place E. Bataillon, F-34095 Montpellier Cedex 05, France.
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