|MACFARLANE, S - The James Hutton Institute|
|LEMAIRE, OLIVIER - French National Institute For Agricultural Research|
|DEMANGEAT, G - French National Institute For Agricultural Research|
Submitted to: Book Chapter
Publication Type: Book / Chapter
Publication Acceptance Date: 10/15/2011
Publication Date: 12/2/2016
Citation: Macfarlane, S.A., Zasada, I.A., Lemaire, O., Demangeat, G. 2016. Nematode-borne plant viruses. In: Brown, J.K., editor. Vector-Mediated Transmission of Plant Pathogens. St. Paul, MN: APS Press. p. 365-378.
Technical Abstract: There are 30 plant-parasitic nematode species that are known to transmit 14 plant viruses. Nematode-transmitted viruses affect a range of agriculturally important crops including grape, cherry, potato, and tomato. The nematodes that transmit viruses are found in two families, Longidoridae and Trichodoridae. The viruses transmitted by nematodes are taxonomically unrelated to one another; however, their genomes are single-stranded RNA positive-sense. There is specificity in the interaction between the virus and its nematode vector, and an understanding of the molecular mechanisms of virus transmission by nematodes may provide a means to control this complex in the future. Stages of the nematode feeding process leading to transmission of viruses, and requiring further elucidation, include acquisition, retention, and then release. The application of molecular biological techniques has greatly advanced our knowledge about the mechanisms involved in the nematode transmission of plant viruses; however, the intrinsic difficulties of working with a system that operates in the soil still remain. Future approaches for control of nematode transmitted viruses will require a greater knowledge of nematode and virus biology to achieve satisfactory results.