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Article

The negatively acting factors EID1 and SPA1 have distinct functions in phytochrome A-specific light signaling.

Plant physiology - 1 Mar 2002

Zhou Yong-Chun, Dieterle Monika, Büche Claudia, Kretsch Thomas

Abstract excerpt

EID1 (empfindlicher im dunkelroten Licht) and SPA1 (suppressor of phytochrome A[phyA]-105) function as negatively acting components in phyA-specific light signaling. Mutants in the respective genes led to very similar phenotypes under weak-light conditions. To examine whether both genes are functionally redundant, detailed physiological and genetic analyses were performed with eid1 and spa1 mutants isolated from...

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Source

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Identifiers

PMID: 11891264
DOI: 10.1104/pp.010811
PMCID: PMC152221

Genes

EID1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 5 Sept 2026. Manifest publication-graph-cohort-2026-09-05.1.

Source receipt: pubmed, retrieved 5 Sept 2026.

Related research

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Click a neighbor to travelStep 1 · 12 closest

The negatively acting factors EID1 and SPA1 have distinct functions in phytochrome A-specific light signaling.PMID 11891264Read ↗

SPA1: a new genetic locus involved in phytochrome A-specific signal transduction.Semantic proximity Read ↗

SPA1, a component of phytochrome A signal transduction, regulates the light signaling current.Semantic proximity Read ↗

eid1: a new Arabidopsis mutant hypersensitive in phytochrome A-dependent high-irradiance responses.Semantic proximity Read ↗

The SPA1-like proteins SPA3 and SPA4 repress photomorphogenesis in the light.Semantic proximity Read ↗

SPA1, a WD-repeat protein specific to phytochrome A signal transduction.Semantic proximity Read ↗

Arabidopsis phytochrome B promotes SPA1 nuclear accumulation to repress photomorphogenesis under far-red light.Semantic proximity Read ↗

Does EID1 aid the fine-tuning of phytochrome A signal transduction in Arabidopsis?Semantic proximity Read ↗

The histidine kinase-related domain of Arabidopsis phytochrome a controls the spectral sensitivity and the subcellular distribution of the photoreceptor.Semantic proximity Read ↗

The phytochrome A-specific signaling intermediate SPA1 interacts directly with COP1, a constitutive repressor of light signaling in Arabidopsis.Semantic proximity Read ↗

Functional analysis of EID1, an F-box protein involved in phytochrome A-dependent light signal transduction.Semantic proximity Read ↗

EID1, an F-box protein involved in phytochrome A-specific light signaling.Semantic proximity Read ↗

Arabidopsis COP1 and SPA genes are essential for plant elongation but not for acceleration of flowering time in response to a low red light to far-red light ratio.Semantic proximity Read ↗

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