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Article

The signaling mechanism of phyA involves direct interaction with ATG8 to regulate HY5 autophagic degradation under nutrient starvation.

The New phytologist - 1 Sept 2026

Jiang Lu, Zhang Shilong, Liu Huishan, Zhao Ran, Niu Yuting, Lu Tao, Zhang Yuqian, Zhang Chenxi, Zhao Yuting, Li XinYi, Wang Lu, Yang Guangqiong, Zhao Jiachen, Li MengXue, Mao Zhilei, Guo Tongtong, Yang Hong-Quan, Wang Wenxiu

Abstract excerpt

Phytochrome A (phyA), the only far-red light (FRL) photoreceptor, initiates photomorphogenesis under FRL. Autophagy, an evolutionarily conserved degradation pathway, facilitates plant adaptation to nutrient stress. Recent studies revealed that elongated hypocotyl 5 (HY5) undergoes autophagic degradation during carbon and nitrogen starvation, a process antagonized by cryptochrome 1 (CRY1) through its binding to...

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Identifiers

PMID: 42387251
DOI: 10.1111/nph.71400
PMCID: PMC13442991

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CRY1

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