Rsv1-mediated resistance against soybean mosaic virus-N is hypersensitive response-independent at inoculation site, but has the potential to initiate a hypersensitive response-like mechanism

Molecular Plant-microbe Interactions : MPMI
M R Hajimorad, J H Hill

Abstract

Rsv1, a single dominant gene in soybean PI 96983, confers resistance to most strains of Soybean mosaic virus (SMV), including strain G2. The phenotypic response includes the lack of symptoms and virus recovery from mechanically inoculated leaves. To study the resistance mechanism, SMV-N (an isolate of strain G2) was introduced into PI 96983 by grafting. Hypersensitive response (HR)-like lesions occurred on the stems, petioles, and leaf veins, and virus was recovered from these lesions. The response demonstrated the cytological and histological characteristics of HR as well as elevated transcription of a soybean salicylic acid-inducible, pathogenesis-related (PR-1) protein gene. Mechanical inoculation of PI 96983 primary leaves with a high level of SMV-N virions caused no symptoms or up regulation of the PR-1 protein gene transcript. Furthermore, inoculation with infectious viral RNA did not alter the resistance phenotype. The data suggest that interaction of SMV-N with Rsv1 has the potential to induce an HR-like defense reaction. Rsv1-mediated resistance in the inoculated leaf, however, is HR-independent and operates after virion disassembly.

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Citations

May 13, 2011·Archives of Virology·Jeffrey D BradshawMarlin E Rice
Jun 21, 2012·Molecular Plant-microbe Interactions : MPMI·Chunquan ZhangJohn H Hill
Aug 3, 2013·Molecular Plant-microbe Interactions : MPMI·Kyoko SugawaraShigetou Namba
Aug 15, 2008·Molecular Plant-microbe Interactions : MPMI·Isabelle BaurèsBénédicte Sturbois
Oct 24, 2008·Phytopathology·Fernando García-Arenal, Bruce A McDonald
Feb 7, 2012·The Plant Cell·Yasuyuki YamajiShigetou Namba
Dec 31, 2010·Journal of Virology·M R HajimoradM A Saghai Maroof
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Aug 7, 2009·BMC Plant Biology·Devinder SandhuMadan K Bhattacharyya
Apr 22, 2008·The New Phytologist·Yan LiSteven J Clough
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Sep 9, 2011·The Journal of General Virology·Vicente Pallas, Juan Antonio García
Jul 16, 2014·Frontiers in Plant Science·Dryas de RondeRichard Kormelink
Jul 1, 2016·Annual Review of Phytopathology·Steven A WhithamTarek Hewezi
Aug 28, 2010·Molecular Plant-microbe Interactions : MPMI·R V Chowda-ReddyAiming Wang
Nov 15, 2017·Molecular Plant Pathology·M R HajimoradM A Saghai Maroof
Feb 13, 2020·Plants·Kristin WidyasariKook-Hyung Kim
Aug 22, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Ren RuiKai Li

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