Resistance to root-knot nematodes Meloidogyne spp. in woody plants

Root-knot nematodes (RKNs) Meloidogyne spp. cause major damage to cultivated woody plants. Among them, Prunus, grapevine and coffee are the crops most infested by worldwide polyphagous species and species with a more limited distribution and/or narrower host range. The identification and characteriz...

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Bibliographic Details
Published in:	The New phytologist Vol. 211; no. 1; pp. 41 - 56
Main Authors:	Saucet, Simon Bernard, Van Ghelder, Cyril, Abad, Pierre, Duval, Henri, Esmenjaud, Daniel
Format:	Journal Article
Language:	English
Published:	England New Phytologist Trust 01-07-2016 Wiley Subscription Services, Inc Wiley
Subjects:	Agricultural sciences Animals Coffea - parasitology coffee Crops, Agricultural - parasitology Disease Resistance durable resistance Gene Expression Regulation, Plant grapevine Host-Parasite Interactions - physiology Life Sciences Plant Breeding - methods Plant Diseases - parasitology plant immunity Plant Roots - genetics Plant Roots - parasitology Prunus Prunus - genetics Prunus - parasitology rootstock breeding root‐knot nematode Tansley reviews Tylenchoidea - pathogenicity Vitis - genetics Vitis - parasitology woody plants grapevine root-knot nematode durable resistance coffee Prunus woody plants rootstock breeding plant immunity prunus
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Summary:	Root-knot nematodes (RKNs) Meloidogyne spp. cause major damage to cultivated woody plants. Among them, Prunus, grapevine and coffee are the crops most infested by worldwide polyphagous species and species with a more limited distribution and/or narrower host range. The identification and characterization of natural sources of resistance are important steps to develop RKN control strategies. In woody crops, resistant rootstocks genetically different from the scion of agronomical interest may be engineered. We describe herein the interactions between RKNs and different woody crops, and highlight the plant species in which resistance and corresponding resistance (R) genes have been discovered. Even though grapevine and, to a lesser extent, coffee have a history of rootstock selection for RKN resistance, few cases of resistance have been documented. By contrast, in Prunus, R genes with different spectra have been mapped in plums, peach and almond and can be pyramided for durable resistance in interspecific rootstocks. We particularly discuss here the Ma Toll/interleukin-1 receptor-likenucleotide binding-leucine-rich repeat gene from Myrobalan plum, one of the longest plant R genes cloned to date, due to its unique biological and structural properties. RKN R genes in Prunus will enable us to carry out molecular studies aimed at improving our knowledge of plant immunity in woody plants.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-3 content type line 23 ObjectType-Review-1
ISSN:	0028-646X 1469-8137
DOI:	10.1111/nph.13933