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Article

The phytochrome A specific signaling component PAT3 is a positive regulator of Arabidopsis photomorphogenesis.

Plant & cell physiology - 1 Nov 2001

Zeidler M, Bolle C, Chua N H

Abstract excerpt

Phytochrome A plays a major role in early seedling development by triggering the transition from etiolated growth to greening. Seedlings germinated under constant far-red (FR) light show a partially de-etiolated phenotype that is not seen in phyA mutants. This phytochrome A specific response was used to screen a population of T-DNA mutagenized Arabidopsis seedlings. One mutant line, pat3 (phytochrome A signal...

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PMID: 11726703
DOI: 10.1093/pcp/pce177

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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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The phytochrome A specific signaling component PAT3 is a positive regulator of Arabidopsis photomorphogenesis.PMID 11726703Read ↗

Phytochrome A null mutants of Arabidopsis display a wild-type phenotype in white light.Semantic proximity Read ↗

CP3 is involved in negative regulation of phytochrome A signalling in Arabidopsis.Semantic proximity Read ↗

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Mutations in the gene for the red/far-red light receptor phytochrome B alter cell elongation and physiological responses throughout Arabidopsis development.Semantic proximity Read ↗

PAT1, a new member of the GRAS family, is involved in phytochrome A signal transduction.Semantic proximity Read ↗

Genetic identification of FIN2, a far red light-specific signaling component of Arabidopsis thaliana.Semantic proximity Read ↗

Functional and biochemical analysis of the N-terminal domain of phytochrome A.Semantic proximity Read ↗

Arabidopsis thaliana TERMINAL FLOWER2 is involved in light-controlled signalling during seedling photomorphogenesis.Semantic proximity Read ↗

Phytochrome A antagonizes PHYTOCHROME INTERACTING FACTOR 1 to prevent over-activation of photomorphogenesis.Semantic proximity Read ↗

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