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Characterization of differential gene expression profiles between wild-type Ler and proatcape1 mutant seedlings upon salt stress.

ABSTRACT: To gain insight into how AtCAPE1 regulates salt response, we investigated the gene expression profiles of wild-type (Ler) and proatcape1 mutant seedlings in the presence and absence of 125 mM NaCl by microarray analysis. Ten seedlings were grown vertically on the mesh attached on 1/2 MS medium for 10 days. Seedlings with the mesh were transferred to a new petri dish and then covered by buffer-saturated filter papers with 1/2 MS liquid medium (Control) or with 125 mM NaCl (Salt). Salt-treated seedlings (n=10 for each treatment) were sampled after 12 h. Three independent experiments were performed for the microarray analysis.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Pei-Shan Chien 

PROVIDER: E-GEOD-66946 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

A salt-regulated peptide derived from the CAP superfamily protein negatively regulates salt-stress tolerance in Arabidopsis.

Chien Pei-Shan PS   Nam Hong Gil HG   Chen Yet-Ran YR  

Journal of experimental botany 20150620 17

High salinity has negative impacts on plant growth through altered water uptake and ion-specific toxicities. Plants have therefore evolved an intricate regulatory network in which plant hormones play significant roles in modulating physiological responses to salinity. However, current understanding of the plant peptides involved in this regulatory network remains limited. Here, we identified a salt-regulated peptide in Arabidopsis. The peptide was 11 aa and was derived from the C terminus of a c  ...[more]

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