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. 1998 Jun 19;280(5371):1943-5.
doi: 10.1126/science.280.5371.1943.

A calcium sensor homolog required for plant salt tolerance

J Liu  1 , J K Zhu
Affiliations

A calcium sensor homolog required for plant salt tolerance

J Liu et al. Science. .

Abstract

Excessive sodium (Na+) in salinized soils inhibits plant growth and development. A mutation in the SOS3 gene renders Arabidopsis thaliana plants hypersensitive to Na+-induced growth inhibition. SOS3 encodes a protein that shares significant sequence similarity with the calcineurin B subunit from yeast and neuronal calcium sensors from animals. The results suggest that intracellular calcium signaling through a calcineurin-like pathway mediates the beneficial effect of calcium on plant salt tolerance.

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