Unknown,Transcriptomics,Genomics,Proteomics

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Expression analysis of Arabidopsis transgenic plants carrying DEX-inducible MKK4DD in Col or sid2 background treated with DEX or control


ABSTRACT: Effector-Triggered Immunity (ETI) and Pattern-Triggered Immunity (PTI) are well-defined modes of plant immunity triggered by recognition of pathogen effector proteins and microbe-associated molecular patterns, respectively. While ETI and PTI network extensively share signaling components, the shared components are used in different ways, resulting in distinct network properties in the model plant Arabidopsis: immunity is highly robust against network perturbations in ETI but relatively sensitive in PTI. However, the molecular mechanism how the shared network leads to the different properties is not known. Here we show that sustained MAPK activation compensate salicylic acid (SA) signaling. A 12 DNA microarray study using total RNA from Arabidopsis transgenic plants carrying DEX-inducible MKK4DD in Col or sid2-2 background treated with DEX or control.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Kenichi Tsuda 

PROVIDER: E-GEOD-40547 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Dual regulation of gene expression mediated by extended MAPK activation and salicylic acid contributes to robust innate immunity in Arabidopsis thaliana.

Tsuda Kenichi K   Mine Akira A   Bethke Gerit G   Igarashi Daisuke D   Botanga Christopher J CJ   Tsuda Yayoi Y   Glazebrook Jane J   Sato Masanao M   Katagiri Fumiaki F  

PLoS genetics 20131212 12


Network robustness is a crucial property of the plant immune signaling network because pathogens are under a strong selection pressure to perturb plant network components to dampen plant immune responses. Nevertheless, modulation of network robustness is an area of network biology that has rarely been explored. While two modes of plant immunity, Effector-Triggered Immunity (ETI) and Pattern-Triggered Immunity (PTI), extensively share signaling machinery, the network output is much more robust ag  ...[more]

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