Rootstock influences the effect of grapevine leafroll-associated viruses on berry development and metabolism via abscisic acid signalling

被引：14

作者：

Vondras, Amanda M. ^{[1
]}

Lerno, Larry ^{[1
]}

Massonnet, Melanie ^{[1
]}

Minio, Andrea ^{[1
]}

Rowhani, Adib ^{[2
]}

Liang, Dingren ^{[1
]}

Garcia, Jadran ^{[1
]}

Quiroz, Daniela ^{[1
]}

Figueroa-Balderas, Rosa ^{[1
]}

Golino, Deborah A. ^{[2
]}

Ebeler, Susan E. ^{[1
]}

Al Rwahnih, Maher ^{[2
]}

Cantu, Dario ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Viticulture & Enol, Davis, CA 95616 USA

[2] Univ Calif Davis, Dept Plant Pathol, Davis, CA 95616 USA

来源：

MOLECULAR PLANT PATHOLOGY | 2021年 / 22卷 / 08期

关键词：

Closteroviridae; leafroll disease; plant-virus interaction; rootstock-scion interaction; Vitis vinifera; ABIOTIC STRESS RESPONSES; VITIS-VINIFERA; FRUIT COMPOSITION; DISEASE RESISTANCE; BETA-GLUCOSIDASE; PLANT HORMONES; GLRAV-2; AND-3; CROSS-TALK; R-PACKAGE; GENE;

D O I：

10.1111/mpp.13077

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Grapevine leafroll-associated virus (GLRaV) infections are accompanied by symptoms influenced by host genotype, rootstock, environment, and which individual or combination of GLRaVs is present. Using a dedicated experimental vineyard, we studied the responses to GLRaVs in ripening berries from Cabernet Franc grapevines grafted to different rootstocks and with zero, one, or pairs of leafroll infection(s). RNA sequencing data were mapped to a high-quality Cabernet Franc genome reference assembled to carry out this study and integrated with hormone and metabolite abundance data. This study characterized conserved and condition-dependent responses to GLRaV infection(s). Common responses to GLRaVs were reproduced in two consecutive years and occurred in plants grafted to different rootstocks in more than one infection condition. Though different infections were inconsistently distinguishable from one another, the effects of infections in plants grafted to different rootstocks were distinct at each developmental stage. Conserved responses included the modulation of genes related to pathogen detection, abscisic acid (ABA) signalling, phenylpropanoid biosynthesis, and cytoskeleton remodelling. ABA, ABA glucose ester, ABA and hormone signalling-related gene expression, and the expression of genes in several transcription factor families differentiated the effects of GLRaVs in berries from Cabernet Franc grapevines grafted to different rootstocks. These results support that ABA participates in the shared responses to GLRaV infection and differentiates the responses observed in grapevines grafted to different rootstocks.

引用

页码：984 / 1005

页数：22

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