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Title: Method to improve drought tolerance in plants

Patent ·
OSTI ID:1174541
;

A method to increase drought resistance in plants is provided. The method comprises inhibiting or disabling inward-rectifying K.sup.+ (K.sup.+.sub.in) channels in the stomatal guard cells of the plant.

Research Organization:
Univ. of California, Oakland, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG03-94-ER20148
Assignee:
Regents of the University of California (Oakland, CA)
Patent Number(s):
6,635,803
Application Number:
09/567,730
OSTI ID:
1174541
Country of Publication:
United States
Language:
English

References (13)

Expression of a Cs(+)-resistant guard cell K+ channel confers Cs(+)-resistant, light-induced stomatal opening in transgenic arabidopsis. journal October 1997
Potato guard cells respond to drying soil by a complex change in the expression of genes related to carbon metabolism and turgor regulation journal April 1997
Perspectives on the Physiology and Structure of Inward-Rectifying K + Channels in Higher Plants: Biophysical Implications for K Uptake journal June 1994
Dominant Negative Guard Cell K + Channel Mutants Reduce Inward-Rectifying K + Currents and Light-Induced Stomatal Opening in Arabidopsis journal October 2001
Ozone inhibits guard cell K+ channels implicated in stomatal opening journal November 1999
Suppression of Inward-Rectifying K + Channels KAT1 and AKT2 by Dominant Negative Point Mutations in the KAT1 α-Subunit journal January 1999
Roles of Higher Plant K+ Channels journal August 1997
Identification of Strong Modifications in Cation Selectivity in an Arabidopsis Inward Rectifying Potassium Channel by Mutant Selection in Yeast journal October 1995
Molecular insights into the structure and function of plant K+ transport mechanisms journal May 2000
Inhibition of inward K+ channels and stomatal response by abscisic acid: an intracellular locus of phytohormone action. journal April 1994
Phylogenetic Relationships within Cation Transporter Families of Arabidopsis journal August 2001
Plant physiology: Spreading a drought warning journal December 1998
Cloning and electrophysiological analysis of KST1, an inward rectifying K+ channel expressed in potato guard cells. journal June 1995

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