NBS-LRR-mediated resistance triggered by aphids: viruses do not adapt; aphids adapt via different mechanisms

BMC Plant Biology
Nathalie BoissotHervé Lecoq

Abstract

Aphids are serious pest on crops. By probing with their stylets, they interact with the plant, they vector viruses and when they reach the phloem they start a continuous ingestion. Many plant resistances to aphids have been identified, several have been deployed. However, some resistances breaking down have been observed. In the melon, a gene that confers resistance to aphids has been deployed in some melon-producing areas, and aphid colony development on Vat-carrying plants has been observed in certain agrosystems. The Vat gene is a NBS-LRR gene that confers resistance to the aphid species Aphis gossypii and exhibits the unusual characteristic of also conferring resistance to non-persistently transmitted viruses when they are inoculated by the aphid. Thus, we characterized patterns of resistance to aphid and virus using the aphid diversity and we investigated the mechanisms by which aphids and viruses may adapt to the Vat gene. Using a Vat-transgenic line built in a susceptible background, we described the Vat- spectrum of resistance to aphids, and resistance to viruses triggered by aphids using a set of six A. gossypii biotypes. Discrepancies between both resistance phenotypes revealed that aphid adaptation to Vat-mediated re...Continue Reading

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Citations

Oct 12, 2016·Frontiers in Plant Science·Nathalie BoissotFlavie Vanlerberghe-Masutti
Nov 17, 2017·Annual Review of Plant Biology·Angela E Douglas
Feb 24, 2018·The Journal of Clinical Endocrinology and Metabolism·Mirella HagePeter Kamenický
Oct 31, 2020·International Journal of Molecular Sciences·Lise PingaultGautam Sarath
Feb 3, 2019·Plant Science : an International Journal of Experimental Plant Biology·Vamsi NalamJyoti Shah

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Datasets Mentioned

BETA
Y18137
JN861005
AY189003
EU660578

Methods Mentioned

BETA
transgenic

Software Mentioned

XLSTAT
GeneMapper
Margot

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