Cell signaling under salt, water and cold stresses.

J K Zhu

Journal: Current opinion in plant biology 2001;4(5):401-6

PMID: 11597497

Full Text on Elsevier Science View on PubMed

Abstract

Forward genetics and biochemical approaches to studying plant responses to salt, water and cold stresses began to bear fruit recently. Analysis of salt overly sensitive (sos) Arabidopsis mutants revealed a novel calcium-regulated protein kinase pathway for response to the ionic aspect of salt stress. In-gel kinase assays identified several SOS-independent protein kinases that are either activated specifically by osmotic stress or by multiple abiotic and biotic stresses. Molecular analysis revealed a transcriptional cascade in cold-regulated gene expression.

Address: Department of Plant Sciences, University of Arizona, Tucson, Arizona 85721, USA. [email protected]

DOI: 10.1016/s1369-5266(00)00192-8

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MeSH Terms: Adaptation, Physiological, Adenosine Triphosphatases, Carrier Proteins, Cold Temperature, Gene Expression Regulation, Plant, Mitogen-Activated Protein Kinases, Plants, SOS Response, Genetics, Salts, Signal Transduction, Water