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The role of root exudates in rhizosphere interactions with plants and other organisms.

Authors
  • Bais, Harsh P
  • Weir, Tiffany L
  • Perry, Laura G
  • Gilroy, Simon
  • Vivanco, Jorge M
Type
Published Article
Journal
Annual review of plant biology
Publication Date
Jan 01, 2006
Volume
57
Pages
233–266
Identifiers
PMID: 16669762
Source
Medline
License
Unknown

Abstract

The rhizosphere encompasses the millimeters of soil surrounding a plant root where complex biological and ecological processes occur. This review describes recent advances in elucidating the role of root exudates in interactions between plant roots and other plants, microbes, and nematodes present in the rhizosphere. Evidence indicating that root exudates may take part in the signaling events that initiate the execution of these interactions is also presented. Various positive and negative plant-plant and plant-microbe interactions are highlighted and described from the molecular to the ecosystem scale. Furthermore, methodologies to address these interactions under laboratory conditions are presented.

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