Proteomics

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Plant Natriuretic Peptides induce a specific set of proteins diagnostic for an adaptive response to abiotic stress

ABSTRACT: In plants, structural and physiological evidence has suggested the presence of biologically active natriuretic peptides (PNPs). PNPs are secreted into the apoplast, are systemically mobile and elicit a range of responses signaling via cGMP. The PNP-dependent responses include tissue specific modifications of cation transport and changes in stomatal conductance and the photosynthetic rate. PNP also has a critical role in host defense responses. Surprisingly, PNP-homologues are also produced by several plant pathogens during host colonization suppressing host defense responses. Here we show that a synthetic peptide representing the biologically active fragment of the Arabidopsis thaliana PNP (AtPNP-A) induces the production of reactive oxygen species in suspension-cultured A. thaliana (Col-0) cells.

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Arabidopsis Thaliana (mouse-ear Cress)

TISSUE(S): Plant Cell, Cell Suspension Culture

SUBMITTER: Claudius Marondedze  

LAB HEAD: Christoph Gehring

PROVIDER: PXD001386 | Pride | 2014-11-20

REPOSITORIES: Pride

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Quantitative proteome changes in Arabidopsis thaliana suspension-cultured cells in response to plant natriuretic peptides.

Turek Ilona I   Wheeler Janet I JI   Gehring Chris C   Irving Helen R HR   Marondedze Claudius C  

Data in brief 20150630

Proteome changes in the Arabidopsis thaliana suspension cells in response to the A. thaliana plant natriuretic peptide (PNP), AtPNP-A (At2g18660) were assessed using quantitative proteomics employing tandem mass tag (TMT) labeling and tandem mass spectrometry (LC-MS/MS). In this study, we characterized temporal responses of suspension-cultured cells to 1 nM and 10 pM AtPNP-A at 0, 10 and 30 min post-treatment. Both concentrations we found to yield a distinct differential proteome signature. The  ...[more]

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