Transcriptomics

Dataset Information

359

Transcription profiling by array of Arabidopsis Col-0 plants and myc2myc3myc4 triple mutant plants to study the transcription target of MYC2/MYC3/MYC4 and their role in controlloing jasmonate-related defense responses


ABSTRACT: Arabidopsis thaliana plants fend off insect attack by constitutive and inducible production of toxic metabolites such as glucosinolates (GS). A triple mutant lacking MYC2, MYC3, and MYC4, three basic helix-loop-helix transcription factors that are known to additively control jasmonate-related defense responses, is highly susceptible to insect herbivory. In this study, we performed a whole-genome microarray analysis on three-week-old plants and compared wild-type (Col-0) and myc2myc3myc4 plants in control conditions (no treatment). Myc234 was shown to have a highly reduced expression of GS biosynthesis genes.

ORGANISM(S): Arabidopsis thaliana  

SUBMITTER: Philippe Reymond  

PROVIDER: E-MTAB-1777 | ArrayExpress | 2013-08-27

REPOSITORIES: ArrayExpress

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Publications

Arabidopsis basic helix-loop-helix transcription factors MYC2, MYC3, and MYC4 regulate glucosinolate biosynthesis, insect performance, and feeding behavior.

Schweizer Fabian F   Fernández-Calvo Patricia P   Zander Mark M   Diez-Diaz Monica M   Fonseca Sandra S   Glauser Gaétan G   Lewsey Mathew G MG   Ecker Joseph R JR   Solano Roberto R   Reymond Philippe P  

The Plant cell 20130813 8


Arabidopsis thaliana plants fend off insect attack by constitutive and inducible production of toxic metabolites, such as glucosinolates (GSs). A triple mutant lacking MYC2, MYC3, and MYC4, three basic helix-loop-helix transcription factors that are known to additively control jasmonate-related defense responses, was shown to have a highly reduced expression of GS biosynthesis genes. The myc2 myc3 myc4 (myc234) triple mutant was almost completely devoid of GS and was extremely susceptible to the  ...[more]

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