Arbuscular mycorrhizal fungi for the biocontrol of plant-parasitic nematodes: a review of the mechanisms involved
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Date
2015Author
Schouteden, Nele
De Waele, Dirk
Panis, Bart
Vos, Christine M.
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Show full item recordAbstract
Arbuscular mycorrhizal fungi (AMF) are obligate root symbionts that can protect their host
plant against biotic stress factors such as plant-parasitic nematode (PPN) infection. PPN
consist of a wide range of species with different life styles that can cause major damage
in many important crops worldwide. Various mechanisms have been proposed to play
a role in the biocontrol effect of AMF against PPN. This review presents an overview of
the different mechanisms that have been proposed, and discusses into more detail the
plausibility of their involvement in the biocontrol against PPN specifically. The proposed
mechanisms include enhanced plant tolerance, direct competition for nutrients and
space, induced systemic resistance (ISR) and altered rhizosphere interactions. Recent
studies have emphasized the importance of ISR in biocontrol and are increasingly placing
rhizosphere effects on the foreground as well, both of which will be the focal point of
this review. Though AMF are not yet widely used in conventional agriculture, recent
data help to develop a better insight into the modes of action, which will eventually
lead toward future field applications of AMF against PPN. The scientific community has
entered an exciting era that provides the tools to actually unravel the underlying molecular
mechanisms, making this a timely opportunity for a review of our current knowledge and
the challenges ahead
URI
http://hdl.handle.net/10394/18828http://dx.doi.org/10.3389/fmicb.2015.01280
http://journal.frontiersin.org/article/10.3389/fmicb.2015.01280
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