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Article

TOPP4 Regulates the Stability of PHYTOCHROME INTERACTING FACTOR5 during Photomorphogenesis in Arabidopsis.

Plant physiology - 1 Mar 2016

Yue Jing, Qin Qianqian, Meng Siyuan, Jing Huiting, Gou Xiaoping, Li Jia, Hou Suiwen

Abstract excerpt

In plants, photoreceptors transfer light signals to phytochrome-interacting factors (PIFs), inducing the rapid phosphorylation and degradation of PIFs to promote photomorphogenesis. However, the phosphatase responsible for PIF dephosphorylation remains unknown. In this study, we identified a type 1 protein phosphatase, TOPP4, that is essential for PIF5 protein stability in Arabidopsis (Arabidopsis thaliana)....

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Identifiers

PMID: 26704640
DOI: 10.1104/pp.15.01729
PMCID: PMC4775132

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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