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Transcription profiling of wild type and mutant Arabidopsis plants infected with Pythium irregulare

ABSTRACT: To characterize the plant molecular response to Pythium irregulare, whole genome transcriptional profiles of infected and non-infected, wild type, jasmonic acid insensitive (coi1-1), ABA biosynthesis mutants (aba2-12), ein2-5 mutant, sid2-1 plants were obtained using two-color long-oligonucleotide microarrays.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Marta Godoy

PROVIDER: E-TABM-258 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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ABA is an essential signal for plant resistance to pathogens affecting JA biosynthesis and the activation of defenses in Arabidopsis.

Adie Bruce A T BA Pérez-Pérez Julián J Pérez-Pérez Manuel M MM Godoy Marta M Sánchez-Serrano José-J JJ Schmelz Eric A EA Solano Roberto R

The Plant cell 20070518 5

Analyses of Arabidopsis thaliana defense response to the damping-off oomycete pathogen Pythium irregulare show that resistance to P. irregulare requires a multicomponent defense strategy. Penetration represents a first layer, as indicated by the susceptibility of pen2 mutants, followed by recognition, likely mediated by ERECTA receptor-like kinases. Subsequent signaling of inducible defenses is predominantly mediated by jasmonic acid (JA), with insensitive coi1 mutants showing extreme susceptibi ...[more]

PMID: 17513501

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