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Article

PIF1 directly and indirectly regulates chlorophyll biosynthesis to optimize the greening process in Arabidopsis.

Proceedings of the National Academy of Sciences of the United States of America - 8 Jul 2008

Moon Jennifer, Zhu Ling, Shen Hui, Huq Enamul

Abstract excerpt

Plants depend on light signals to modulate many aspects of their development and optimize their photosynthetic capacity. Phytochromes (phys), a family of photoreceptors, initiate a signal transduction pathway that alters expression of a large number of genes to induce these responses. Recently, phyA and phyB were shown to bind members of a basic helix-loop-helix family of transcription factors called...

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Identifiers

PMID: 18591656
DOI: 10.1073/pnas.0803611105
PMCID: PMC2453699

Genes

PIF1
POR

Provenance

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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PIF1 directly and indirectly regulates chlorophyll biosynthesis to optimize the greening process in Arabidopsis.PMID 18591656Read ↗

Dimerization and blue light regulation of PIF1 interacting bHLH proteins in Arabidopsis.Semantic proximity Read ↗

Antagonistic basic helix-loop-helix/bZIP transcription factors form transcriptional modules that integrate light and reactive oxygen species signaling in Arabidopsis.Semantic proximity Read ↗

Dynamic antagonism between phytochromes and PIF family basic helix-loop-helix factors induces selective reciprocal responses to light and shade in a rapidly responsive transcriptional network in Arabidopsis.Semantic proximity Read ↗

Constitutive photomorphogenesis 1 and multiple photoreceptors control degradation of phytochrome interacting factor 3, a transcription factor required for light signaling in Arabidopsis.Semantic proximity Read ↗

The phytochrome-interacting transcription factor, PIF3, acts early, selectively, and positively in light-induced chloroplast development.Semantic proximity Read ↗

Functional profiling identifies genes involved in organ-specific branches of the PIF3 regulatory network in Arabidopsis.Semantic proximity Read ↗

Phytochromes promote seedling light responses by inhibiting four negatively-acting phytochrome-interacting factors.Semantic proximity Read ↗

Phytochrome interacting factors 4 and 5 redundantly limit seedling de-etiolation in continuous far-red light.Semantic proximity Read ↗

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PIF1 is regulated by light-mediated degradation through the ubiquitin-26S proteasome pathway to optimize photomorphogenesis of seedlings in Arabidopsis.Semantic proximity Read ↗

poc1: an Arabidopsis mutant perturbed in phytochrome signaling because of a T DNA insertion in the promoter of PIF3, a gene encoding a phytochrome-interacting bHLH protein.Semantic proximity Read ↗

The SWI2/SNF2 Chromatin-Remodeling ATPase BRAHMA Regulates Chlorophyll Biosynthesis in Arabidopsis.Semantic proximity Read ↗

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