Unknown,Transcriptomics,Genomics,Proteomics

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UNIL-Spodoptera littoralis-Wild type and mutant TFs

ABSTRACT: There is currently little information on which trancription factors control the expression of defence genes in response to herbivory in Arabidopsis thaliana. We performed a whole-genome analysis of Arabidopsis plants after feeding by Spodoptera littoralis larvae. Wild-type and knockout mutants in different insect-inducible transcription factors were either untreated (control plants) or challenged for 8 days with S. littoralis larvae (insect challenged plants).

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Philippe Reymond 

PROVIDER: E-MTAB-1418 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Differential Contribution of Transcription Factors to Arabidopsis thaliana Defense Against Spodoptera littoralis.

Schweizer Fabian F   Bodenhausen Natacha N   Lassueur Steve S   Masclaux Frédéric G FG   Reymond Philippe P  

Frontiers in plant science 20130204

In response to insect herbivory, Arabidopsis plants activate the synthesis of the phytohormone jasmonate-isoleucine, which binds to a complex consisting of the receptor COI1 and JAZ repressors. Upon proteasome-mediated JAZ degradation, basic helix-loop-helix transcription factors (TFs) MYC2, MYC3, and MYC4 become activated and this results in the expression of defense genes. Although the jasmonate (JA) pathway is known to be essential for the massive transcriptional reprogramming that follows he  ...[more]

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