Convergence of the Abscisic Acid, CO2, and Extracellular Calcium Signal Transduction Pathways in Stomatal Guard Cells | Zendy

AAR. Webb | Zendy; Alistair M. Hetherington | Zendy

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Convergence of the Abscisic Acid, CO2, and Extracellular Calcium Signal Transduction Pathways in Stomatal Guard Cells

Author(s) -

AAR. Webb,

Alistair M. Hetherington

Publication year - 1997

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.114.4.1557

Subject(s) - guard cell , abscisic acid , signal transduction , extracellular , microbiology and biotechnology , arabidopsis thaliana , arabidopsis , calcium signaling , chemistry , transduction (biophysics) , calcium , biochemistry , biology , gene , mutant , organic chemistry

We show that guard cells from Arabidopsis thaliana plants carrying the abscisic acid-insensitive mutations abi1 and abi2 fail to respond to CO2 and extracellular calcium. This demonstrates that the signal transduction pathways for all three stimuli converge on, or close to, the ABI1 and ABI2 gene products.

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