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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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The rsa1-1 mutation affects global gene expression in Arabidopsis thaliana with or without salt stress

ABSTRACT: Salt stress is one of the most severe environmental conditions which cause huge losses in crop production worldwide. We identified a novel calcium-binding protein and used the Affymetrix whole-genome arrays to define downstream targets of this important protein. We used the microarrays to reveal the effect of rsa1-1 mutation on global gene expression in response to 120 mM Nacl for 0 or 24 h. A set of genes differentially expressed in rsa1-1 with or without salt stress are identified. Six-day-old seedlings of Arabidopsis thaliana wild type (Columbia gl1 expressing RD29A::LUC transgene) and rsa1-1 mutant seedlings subjected to salt stress with 120 mM NaCl for 0, or 24 h were used for total RNA extraction and hybridizations with Affymetrix ATH1 GeneChips. There are three biological replicate per genotype.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Jianhua Zhu

PROVIDER: E-GEOD-39236 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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A nuclear calcium-sensing pathway is critical for gene regulation and salt stress tolerance in Arabidopsis.

Guan Qingmei Q Guan Qingmei Q Wu Jianmin J Yue Xiule X Zhang Yanyan Y Zhu Jianhua J

PLoS genetics 20130829 8

Salt stress is an important environmental factor that significantly limits crop productivity worldwide. Studies on responses of plants to salt stress in recent years have identified novel signaling pathways and have been at the forefront of plant stress biology and plant biology in general. Thus far, research on salt stress in plants has been focused on cytoplasmic signaling pathways. In this study, we discovered a nuclear calcium-sensing and signaling pathway that is critical for salt stress to ...[more]

PMID: 24009530

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