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Article

RPN1a negatively regulates ABA signaling in Arabidopsis.

Plant physiology and biochemistry : PPB - 1 Nov 2016

Yu Dashi, Li Xiushan, Zhao Xiaoying, Du Changqing, Chen Jia, Li Chiyu, Sun Mengsi, Wang Long, Lin Jianzhong, Tang Dongying, Yu Feng, Liu Xuanming

Abstract excerpt

The 26S proteasome selectively regulates key abscisic acid (ABA) signaling proteins, but the physiological functions and mechanisms of RPN1a (a subunit of the 26S proteasome) in ABA signaling remain largely unknown. In this study, we found that the mRNA expression of RPN1a was suppressed by ABA treatment, and that RPN1a protein was expressed abundantly in guard cells. In the presence of ABA, rpn1a mutants showed...

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Identifiers

PMID: 27474935
DOI: 10.1016/j.plaphy.2016.06.012

Genes

ABI1

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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RPN1a negatively regulates ABA signaling in Arabidopsis.PMID 27474935Read ↗

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