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. 2012 Sep 21;63(17):6105–6114. doi: 10.1093/jxb/ers259

Fig. 4.

Fig. 4.

PM H+-ATPase activity in root (a) or proton flux along root tip (b) in wild-type Arabidopsis plants (WT: Col-0) or pin2 mutant Arabidopsis plants (eir1-4) under alkaline stress for 12h. Note: CK (control) and AS (alkaline stress).