Wednesday, June 30, 2010

Drought Tolerance Gene Expression

Genes Function Mutants Function
PP2C/ ABI1 negative regulator of ABA signaling abi1-2 / abi1-3 enhanced response to ABA/ limited effect on drought avoidance
PP2C/ ABI2 negative regulator of ABA signaling

PP2CA negative regulator of ABA signaling hab1-1 ABA hypersensitive inhibition of seed germination/ enhanced ABA-mediated stomatal closure
PP2C/ HAB1 negative regulator of ABA signaling/ strongly induced by ABA hab1-1 abi1-2/ hab1-1 abi1-3 strongly increased response to ABA/ stomatal closure/ reduced transcriptional water loss/ reduced water consumption
ABA response to drought/ salt/ cold stress/ stomatal closure/ changes of ion fluxes and osmoregulation/ affects more than 1000 gene expression under stress ABA-deficient/ ABA/insensitive wilty phenotype
FCA RNA-binding protein: ABA-binding receptor/ flowering control fca-1 no affect on seed germination/ stomatal response
RPK1 plasma membrane receptor/ ABA signaling era1/ abh1/fry1/ hab1/sad1/gcr1 ABA hypersensitive
Ca++ ABA signal transduction abi1-1/ abi1-1 R1 to R7 enhanced response to ABA
cyclic ADP-ribose ABA signal transduction ScaBP5 (SOS3-like calcium binding protein 5) mutant hypersensitive to ABA
reactive oxygen ABA signal transduction PKS3 (protein kinase 3) mutant hypersensitive to ABA
nitric oxide ABA signal transduction rbohD/F reduced ABA sensitivity
phosphoinositide ABA signal transduction rpk1 reduced ABA sensitivity
phosphatidic acid ABA signal transduction rcn1 reduced ABA sensitivity
sphingosine 1-phosphate ABA signal transduction ost1 reduced ABA sensitivity
ABI5/ ABF/AREB/AtBZIP transcription factors/ ABA responsive element-binding proteins abi5 reduced ABA sensitivity
ABI3/ VP1/ B3 transcription factors/ domain proteins/ ABA signaling abi3 reduced ABA sensitivity
ABI4/AP2/ MYC/ MYB/ HD/ZIP transcription factors/ domain proteins/ ABA signaling abi4 reduced ABA sensitivity







































































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