Loss of TIP1;1 aquaporin in Arabidopsis leads to cell and plant death.

Abstract excerpt

Arabidopsis TIP1;1 (gammaTIP) is a member of the tonoplast family of aquaporins (AQP). Using RNA interference (RNAi) we reduced TIP1;1 to different extent in various lines. When most severely affected, miniature plants died, a phenotype partially complemented by the TIP1;1 homolog McMIP-F. Less severely affected lines produced small plants, early senescence, and showed lesion formation. The relative water content...

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