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Science & ResearchAug 15, 2026

Concomitant post-translational repression of Arabidopsis PIP1 aquaporins upon the loss of major PIP2 isoforms

Aquaporins at the plant plasmalemma are divided into two highly conserved subclasses, PLASMA MEMBRANE INTINSIC PROTEINs 1 (PIP1) and PIP2.

Aquaporins at the plant plasmalemma are divided into two highly conserved subclasses, PLASMA MEMBRANE INTINSIC PROTEINs 1 (PIP1) and PIP2. Arabidopsis thaliana encodes five PIP1 and eight PIP2 isoforms. Individual loss-of-function mutants had been employed for functional…

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