ArticlePloS one2014
The phytochrome B/phytochrome C heterodimer is necessary for phytochrome C-mediated responses in rice seedlings.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 19 citations in OpenAlex.
- Circadian- and light-regulated oscillatory expression of CSA in rice leaves is required for pollen fertility.Plant cell reports · 2026Article
- Hypsochromic shift in phytochrome C Pr absorption complements phytochrome B-mediated inhibition of hypocotyl elongation.The Plant journal : for cell and molecular biology · 2026Article
- Application of Multi-Omics Technologies to the Study of Phytochromes in Plants.Antioxidants (Basel, Switzerland) · 2024Review
- A base substitution in OsphyC disturbs its Interaction with OsphyB and affects flowering time and chlorophyll synthesis in rice.BMC plant biology · 2022Article
- Efficient Breeding of Early-Maturing Rice Cultivar by Editing PHYC via CRISPR/Cas9.Rice (New York, N.Y.) · 2021Article
- Light on the cell cycle of the non-photosynthetic bacterium Ramlibacter tataouinensis.Scientific reports · 2019Article
- Control of Adventitious Root Architecture in Rice by Darkness, Light, and Gravity.Plant physiology · 2018Article
- Bottom-up Assembly of the Phytochrome Network.PLoS genetics · 2016Article
- OsPhyA modulates rice flowering time mainly through OsGI under short days and Ghd7 under long days in the absence of phytochrome B.Plant molecular biology · 2016Article
- Phytochrome Signaling Is Mediated by PHYTOCHROME INTERACTING FACTOR in the Liverwort Marchantia polymorpha.The Plant cell · 2016Article
- A Constitutively Active Allele of Phytochrome B Maintains Circadian Robustness in the Absence of Light.Plant physiology · 2015Article
- Genome-wide identification of microRNAs and their targets in wild type and phyB mutant provides a key link between microRNAs and the phyB-mediated light signaling pathway in rice.Frontiers in plant science · 2015Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
Abstract
backgroundPhyC levels have been observed to be markedly lower in phyB mutants than in Arabidopsis or rice wild type etiolated seedlings, but the mechanism of this phenomenon has not been fully elucidated.
resultsIn the present study, we investigated the mechanism by which phyB affects the protein concentration and photo-sensing abilities of phyC and demonstrated that rice phyC exists predominantly as phyB/phyC heterodimers in etiolated seedlings. PHYC-GFP protein was detected when expressed in phyA phyC mutants, but not in phyA phyB mutants, suggesting that phyC requires phyB for its photo-sensing abilities. Interestingly, when a mutant PHYB gene that has no chromophore binding site, PHYB(C364A), was introduced into phyB mutants, the phyC level was restored. Moreover, when PHYB(C364A) was introduced into phyA phyB mutants, the seedlings exhibited de-etiolation under both far-red light (FR) and red light (R) conditions, while the phyA phyB mutants were blind to both FR and R. These results are the first direct evidence that phyC is responsible for regulating seedling de-etiolation under both FR and R. These findings also suggest that phyB is indispensable for the expression and function of phyC, which depends on the formation of phyB/phyC heterodimers. SIGNIFICANCE: The present report clearly demonstrates the similarities and differences in the properties of phyC between Arabidopsis and rice and will advance our understanding of phytochrome functions in monocots and dicots.
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