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Actin cytoskeleton and plasma membrane aquaporins are involved in different drought response of Arabidopsis rhd2 and der1 root hair mutants.

Plant physiology and biochemistry : PPB - 1 Nov 2024

Takáč Tomáš, Kuběnová Lenka, Šamajová Olga, Dvořák Petr, Řehák Jan, Haberland Jan, Bundschuh Sebastian T, Pechan Tibor, Tomančák Pavel, Ovečka Miroslav, Šamaj Jozef

Abstract excerpt

Actin cytoskeleton and reactive oxygen species are principal determinants of root hair polarity and tip growth. Loss of function in RESPIRATORY BURST OXIDASE HOMOLOG C/ROOT HAIR DEFECTIVE 2 (AtRBOHC/RHD2), an NADPH oxidase emitting superoxide to the apoplast, and in ACTIN 2, a vegetative actin isovariant, in rhd2-1 and der1-3 mutants, respectively, lead to similar defects in root hair formation and elongation...

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PMID: 39357201
DOI: 10.1016/j.plaphy.2024.109137

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