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Transcription profiling of EDS1- and SA-dependent genes in nudt7-1

ABSTRACT: nudt7-1 mutant plant exhibit stunted growth, enhanced basal resistance, elevated SA levels and spontaneous leaf cell death that is restricted to single cells but does not spread. All of these phenotypes depend on EDS1, a key regulator of plant innate immunity. Moreover, SA depletion in nudt7-1 results in EDS1-dependent cell death exacerbation and strong growth retardation. In this this experiment, we used 4-week-old soil-grown plants to seek for EDS1- and SA-regulated genes in nudt7-1 to identify novel components of the EDS1- and SA-signalling pathways.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Marco Straus

PROVIDER: E-MEXP-2405 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Salicylic acid antagonism of EDS1-driven cell death is important for immune and oxidative stress responses in Arabidopsis.

Straus Marco R MR Rietz Steffen S Ver Loren van Themaat Emiel E Bartsch Michael M Parker Jane E JE

The Plant journal : for cell and molecular biology 20100216 4

Reactive oxygen species (ROS) have emerged as signals in the responses of plants to stress. Arabidopsis Enhanced Disease Susceptibility1 (EDS1) regulates defense and cell death against biotrophic pathogens and controls cell death propagation in response to chloroplast-derived ROS. Arabidopsis Nudix hydrolase7 (nudt7) mutants are sensitized to photo-oxidative stress and display EDS1-dependent enhanced resistance, salicylic acid (SA) accumulation and initiation of cell death. Here we explored the ...[more]

PMID: 20163553

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