Title : MPK6 controls H2 O2-induced root elongation by mediating Ca2+ influx across the plasma membrane of root cells in Arabidopsis seedlings.

Pub. Date : 2015 Jan

PMID : 25145265






4 Functional Relationships(s)
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1 MPK6 controls H2 O2-induced root elongation by mediating Ca2+ influx across the plasma membrane of root cells in Arabidopsis seedlings. Hydrogen Peroxide MAP kinase 6 Arabidopsis thaliana
2 Root elongation in seedlings of the loss-of-function mutant Atmpk6 (Arabidopsis thaliana MPK6) was less sensitive to moderate H2 O2 or ABA than that in wild-type (WT) plants. Hydrogen Peroxide MAP kinase 6 Arabidopsis thaliana
3 Root elongation in seedlings of the loss-of-function mutant Atmpk6 (Arabidopsis thaliana MPK6) was less sensitive to moderate H2 O2 or ABA than that in wild-type (WT) plants. Hydrogen Peroxide MAP kinase 6 Arabidopsis thaliana
4 Molecular and biochemical evidence showed that increased expression of the cell wall peroxidase PRX34 in Atmpk6 root cells enhanced apoplastic H2 O2 generation; this promoted a cytosolic Ca(2+) increase and Ca(2+) influx across the plasma membrane. Hydrogen Peroxide MAP kinase 6 Arabidopsis thaliana