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. Arabidopsis thaliana encodes five PIP1 and eight PIP2 isoforms. Individual loss-of-function mutants had been employed for functional analyses. Here, we observe that the pip2;1 pip2;2 pip2;4 pip2;6 pip2;7 quintuple mutant defective of major PIP2 isoforms…
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