Rhizosphere communication of plants, parasitic plants and AM fungi

Plants use an array of secondary metabolites to defend themselves against harmful organisms and to attract others that are beneficial. However, the attraction of beneficial organisms could also lead to abuse by malevolent organisms. An exciting example of such abuse is the relationship between plant...

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Bibliographic Details
Published in:Trends in plant science 2007-05, Vol.12 (5), p.224-230
Main Authors: Bouwmeester, Harro J., Roux, Christophe, Lopez-Raez, Juan Antonio, Bécard, Guillaume
Format: Article
Language:English
Subjects:
4-Butyrolactone - analogs & derivatives
4-Butyrolactone - biosynthesis
4-Butyrolactone - physiology
Agronomy. Soil science and plant productions
arabidopsis
arbuscular mycorrhizal fungi
Biochemistry
Biochemistry and biology
Biological and medical sciences
Chemical, physicochemical, biochemical and biological properties
Ecosystem
Fundamental and applied biological sciences. Psychology
germination stimulants
Host-Parasite Interactions
Indans - metabolism
lactones
literature reviews
metabolism
Mycorrhizae - physiology
orobanche
Orobanche - physiology
parasitic plants
Parasitism
Parasitism and symbiosis
phosphate
Physics, chemistry, biochemistry and biology of agricultural and forest soils
plant biochemistry
Plant physiology and development
Plant Roots - microbiology
Plant Roots - parasitology
Plant Roots - physiology
rhizosphere
root exudate
seed-germination
Soil science
striga
Striga - physiology
strigolactones
Symbiosis - physiology
vesicular arbuscular mycorrhizae
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Summary:Plants use an array of secondary metabolites to defend themselves against harmful organisms and to attract others that are beneficial. However, the attraction of beneficial organisms could also lead to abuse by malevolent organisms. An exciting example of such abuse is the relationship between plants, beneficial mutualistic arbuscular mycorrhizal fungi and harmful parasitic plants. Signalling molecules called strigolactones, which are secreted by plant roots in low concentrations, induce the growth of both obligate biotrophs. Here, we review the importance of strigolactones for these two interactions and discuss possible developments that should further clarify the role of these signalling molecules in rhizosphere processes.
ISSN:1360-1385
1878-4372
DOI:10.1016/j.tplants.2007.03.009