Salinity-mediated transcriptional and post-translational regulation of the Arabidopsis aquaporin PIP2;7

Salinity-mediated transcriptional and post-translational regulation of the Arabidopsis aquaporin... Plant Mol Biol (2016) 92:731–744 DOI 1z103-016-0510.1007/s1 Salinity-mediated transcriptional and post-translational egulation of the r Arabidopsis aquaporin PIP2;7 1 1 1 1 Alicia Pou · Linda Jeanguenin · Thomas Milhiet · Henri Batoko · 1 1 François Chaumont · Charles Hachez Received: 1 February 2016 / Accepted: 8 September 2016 / Published online: 26 September 2016 © Springer Science +Business Media Dordrecht 2016 Abstract of the protein within 4 h of exposure to salinity stress. These Key message Salt stress triggers a simultaneous tran - data suggest that PIP transcriptional repression and channel scriptional ession and aquaporin internalization eprr to internalization act in concert during salt stress conditions to modify root cell water conductivity. modulate aquaporin activity, thereby significantly altering Abstract Plasma membrane intrinsic proteins (PIPs) are the plant hydraulic parameters in the short term. involved in the adjustment of plant water balance in response to changing environmental conditions. In this study, Arabi - Keywords Aquaporin · Plasma membrane · Root hydraulic conductivity · Salt stress · ater W relation dopsis wild-type (Col-0) and transgenic lines overexpress - ing PIP2;7 were used to investigate and compare their response to salt stress. Hydraulic conductivity measure - ments using a high-pressure Plant Molecular Biology Springer Journals

Salinity-mediated transcriptional and post-translational regulation of the Arabidopsis aquaporin PIP2;7

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Springer Netherlands
Copyright © 2016 by Springer Science+Business Media Dordrecht
Life Sciences; Plant Sciences; Biochemistry, general; Plant Pathology
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