Identification and characterization of the SSB1 locus involved in symptom development by Spring beauty latent virus infection in Arabidopsis thaliana

Molecular Plant-microbe Interactions : MPMI
Koki FujisakiKazuyuki Mise

Abstract

The natural variation of Arabidopsis thaliana in response to a bromovirus, Spring beauty latent virus (SBLV), was examined. Of 63 Arabidopsis accessions tested, all were susceptible when inoculated with SBLV, although there was a large degree of variation in symptom development. Most accessions, including Columbia (Col-0), were symptomless or developed only mild symptoms, but four accessions, including S96, showed severe symptoms of SBLV infection. Genetic analysis suggested that the difference in the responses of Col-0 and S96 to SBLV was controlled by a single semidominant locus. We have designated this locus SSB1 (symptom development by SBLV infection). By using genetic markers, SSB1 was mapped to chromosome IV. The patterns of distribution and accumulation of SBLV in sensitive accessions were similar to those in the insensitive accessions. In addition, symptom development in S96 by SBLV infection was critically interrupted by the presence of the NahG gene, which encodes salicylic acid (SA) hydroxylase. These data suggest that symptom development in A. thaliana controlled by SSB1 is independent of the efficiency of SBLV multiplication and is dependent on SA signaling.

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Citations

Sep 28, 2007·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Arnaud BoisnardAlain Ghesquière
Jul 4, 2012·Molecular Plant-microbe Interactions : MPMI·Ping XuMarilyn J Roossinck
May 6, 2006·Molecular Plant-microbe Interactions : MPMI·V DecroocqF Revers
Jan 11, 2008·Molecular Plant-microbe Interactions : MPMI·Ophélie SicardVéronique Decroocq
May 22, 2007·Virus Research·Julio C Vega-ArreguínBertha Cecilia Ramírez
Jun 17, 2014·The Plant Journal : for Cell and Molecular Biology·Laurence OuibrahimCarole Caranta
May 14, 2008·The Journal of General Virology·Koki FujisakiMasayuki Ishikawa
Nov 12, 2016·Frontiers in Microbiology·Masayoshi HashimotoShigetou Namba
Jul 19, 2006·The Journal of General Virology·Koki FujisakiMasayuki Ishikawa

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