Biotic factors that induce the tomato Ve1 R-gene

Copyright © 2017 Elsevier B.V. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 265(2017) vom: 12. Dez., Seite 61-69
1. Verfasser: Castroverde, Christian Danve (VerfasserIn)
Weitere Verfasser: Xu, Xin, Nazar, Ross N, Robb, Jane
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Ave1 Gene expression Hormone regulation Tomato Ve R-locus Verticillium wilt Plant Proteins
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520 |a In tomato, Verticillium resistance is determined by the Ve gene locus encoding two leucine-rich repeat-receptor-like proteins (Ve1, Ve2). The resistance function usually is attributed to Ve1 alone, with two known alleles: Ve1, encoding a resistance protein, and ve1, with a premature stop codon encoding a truncated product. We have examined further Ve-gene expression in resistant and susceptible near-isolines of Verticillium-infected Craigella tomatoes, using both quantitative RT-PCR and an alternative RFLP assay. Ve1 is induced differentially in resistant and susceptible plants, while Ve2 is constitutively expressed throughout disease development. Contrary to their putative role in Verticillium resistance, these profiles were observed even with compatible Verticillium interactions, some bacterial pathogens, and transgenic tomato plants expressing the fungal Ave1 effector. This suggests broader roles in disease and/or stress. To determine the contribution of plant hormones, abscisic acid, methyl jasmonate, naphthaleneacetic acid or salicylic acid were infused independently via the tomato root and effects on Ve1 induction were confirmed using biosynthesis mutants. While all the hormones modulated Ve1-gene induction, abscisic acid and salicylic acid were not required while jasmonic acid appears to play a more direct role 
650 4 |a Journal Article 
650 4 |a Ave1 
650 4 |a Gene expression 
650 4 |a Hormone regulation 
650 4 |a Tomato 
650 4 |a Ve R-locus 
650 4 |a Verticillium wilt 
650 7 |a Plant Proteins  |2 NLM 
700 1 |a Xu, Xin  |e verfasserin  |4 aut 
700 1 |a Nazar, Ross N  |e verfasserin  |4 aut 
700 1 |a Robb, Jane  |e verfasserin  |4 aut 
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