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Responses of Arabidopsis immune signaling mutants to Alternaria brassicicola infection

ABSTRACT: A major part of plant immune response is mediated by signaling pathways controlled by three hormnes, jasmonate, ethylene, and salicylate. The involvement of each of these hormone signaling pathways in Arabidopsis thaliana was investigated in response to infection of a necrotrophic fungal pathogen, A. brassicicola. Arabideopsis mutants deficient in these hormone signaling pathways were compared to wild type. Expression profiles were obtained from leaves of wild-type (Col-0), dde2-2, ein2-1, and sid2-2 plants at 9 and 24 hours after A. brassicicola inoculation. In addition, expression profiles were obtained from wild-type at 9 and 24 hours after mock inoculation. The replicates were made from three independent experiments (i.e., biological replicates). Please note that 'Col-0 at 24 hpi with A. brassicicola, biological rep 3' was excluded from data processing because the data did not pass a QC based on affyPML of Bioconducter.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Jane Glazebrook 

PROVIDER: E-GEOD-50526 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Mechanisms underlying robustness and tunability in a plant immune signaling network.

Kim Yungil Y   Tsuda Kenichi K   Igarashi Daisuke D   Hillmer Rachel A RA   Sakakibara Hitoshi H   Myers Chad L CL   Katagiri Fumiaki F  

Cell host & microbe 20140101 1

The plant immune signaling network needs to be robust against attack from fast-evolving pathogens and tunable to optimize immune responses. We investigated the basis of robustness and tunability in the signaling network controlling pattern-triggered immunity (PTI) in Arabidopsis. A dynamic network model containing four major signaling sectors, the jasmonate, ethylene, phytoalexin-deficient 4, and salicylate sectors, which together govern up to 80% of the PTI levels, was built using data for dyna  ...[more]

PMID: 24439900

Publication: 1/2

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