Unknown,Transcriptomics,Genomics,Proteomics

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Expression analysis of Arabidopsis ein2 and bak1 mutants treated with the elicitors elf18 and Pep2.


ABSTRACT: Recognition of microbial patterns and host derived damage signals by host pattern recognition receptors is a key step in immune activation in multicellular eukaryotes. Here we show how mutations in ethylene signaling and the coreceptor bak1 affect host immune responses triggered by elicitors. A 51 DNA microarray study using total RNA from Arabidopsis mutants (ein2-1, bak1-3, efr-1 and pepr1-1 pepr2-3) as well as wild type treated with elf18 or Pep2 with three biological replicates.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Kenichi Tsuda 

PROVIDER: E-GEOD-40354 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Layered pattern receptor signaling via ethylene and endogenous elicitor peptides during Arabidopsis immunity to bacterial infection.

Tintor Nico N   Ross Annegret A   Kanehara Kazue K   Yamada Kohji K   Fan Li L   Kemmerling Birgit B   Nürnberger Thorsten T   Tsuda Kenichi K   Saijo Yusuke Y  

Proceedings of the National Academy of Sciences of the United States of America 20130219 15


Recognition of molecular patterns characteristic of microbes or altered-self leads to immune activation in multicellular eukaryotes. In Arabidopsis thaliana, the leucine-rich-repeat receptor kinases FLAGELLIN-SENSING2 (FLS2) and EF-TU RECEPTOR (EFR) recognize bacterial flagellin and elongation factor EF-Tu (and their elicitor-active epitopes flg22 and elf18), respectively. Likewise, PEP1 RECEPTOR1 (PEPR1) and PEPR2 recognize the elicitor-active Pep epitopes conserved in Arabidopsis ELICITOR PEPT  ...[more]

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