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Article

Phytochrome dependent quantitative control of Hd3a transcription is the basis of the night break effect in rice flowering.

Genes & genetic systems - 1 Apr 2009

Ishikawa Ryo, Shinomura Tomoko, Takano Makoto, Shimamoto Ko

Abstract excerpt

A short exposure to light during relative night (night break; NB) delays flowering in the short day plant rice. NB acts by downregulating Heading date 3a (Hd3a) expression. Because phytochrome B mutants do not respond to NB and their flowering time is not affected even under NB conditions, phyB is required for the suppression of Hd3a expression. The effect of NB is quantitatively controlled by light quality and...

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PMID: 19556711
DOI: 10.1266/ggs.84.179

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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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