ArticlePlant physiology2023
Shade represses photosynthetic genes by disrupting the DNA binding of GOLDEN2-LIKE1.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 26 citations in OpenAlex.
- Arabidopsis GOLDEN2-LIKE transcription factors interact with ABA-INSENSITIVE 4 to modulate cotyledon greening in light-exposed etiolated seedlings.Journal of experimental botany · 2026Article
- An OsGLK1/2-DGP1/2/3 feedback module regulates rice photosynthesis and yield.Science advances · 2026Article
- How tomato leaves stay green: the role of SlGRAS17 and its partners.Plant physiology · 2026Article
- The combined effects of Golden2-like 2 and Pseudo-Response Regulator 2 control the fruit pigmentation in pepper.The Plant journal : for cell and molecular biology · 2026Article
- The chloroplast-targeted long noncoding RNA CHLORELLA mediates chloroplast functional transition across leaf ageing via anterograde signalling.Nature plants · 2025Article
- Beyond the PEL surveyance: Genome editing of the OsPEL family enhances photosynthesis efficiency in rice.The Plant cell · 2025Article
- Editing of rice PSEUDO-ETIOLATION IN LIGHT microProtein genes promotes chloroplast development.The Plant cell · 2025Article
- A melon (bioRxiv : the preprint server for biology · 2025Article
- Deciphering the regulatory network of carbon isotope discrimination in bread wheat through genome-wide association studies and genomic prediction.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Dark-responsive BGH2 and light-responsive BPG4: Taming the GLK1/2 master transcription factors for etioplast and chloroplast homeostasis.The Plant cell · 2025Article
- The telomere-to-telomere genome of Pucai () (Horticulture research · 2025Article
- Genome-Wide Identification ofInternational journal of molecular sciences · 2025Article
- The Y locus encodes a REPRESSOR OF PHOTOSYNTHETIC GENES protein that represses carotenoid biosynthesis via interaction with APRR2 in carrot.The Plant cell · 2024Article
- The pleiotropic functions of GOLDEN2-LIKE transcription factors in plants.Frontiers in plant science · 2024Review
- Comparative Physiology and Transcriptome Analysis Provides Insights into the Regulatory Mechanism of AlbinoticPlants (Basel, Switzerland) · 2023Article
- Article
- PSI Photoinhibition and Changing COAntioxidants (Basel, Switzerland) · 2023Article
- Overexpression of a pseudo-etiolated-in-light-like protein inFrontiers in plant science · 2023Article
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5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
PHYTOCHROME-INTERACTING FACTORs (PIFs) repress photosynthetic genes partly by upregulating REPRESSOR OF PHOTOSYNTHETIC GENES 1 (RPGE1) and RPGE2. However, it is unknown how RPGEs inhibit gene expression at the molecular level. Here, we show that Arabidopsis (Arabidopsis thaliana) RPGE overexpression lines display extensive similarities to the golden2-like 1 (glk1)/glk2 double mutant at the phenotypic and transcriptomic levels, prompting us to hypothesize that there is a close molecular relationship between RPGEs and chloroplast development-regulating GLK transcription factors. Indeed, we found that RPGE1 disrupts the homodimerization of GLK1 by interacting with its dimerization domain and debilitates the DNA-binding activity of GLK1. The interaction was not restricted to the Arabidopsis RPGE1-GLK1 pair, but rather extended to RPGE-GLK homolog pairs across species, providing a molecular basis for the pale green leaves of Arabidopsis transgenic lines expressing a rice (Oryza sativa) RPGE homolog. Our discovery of RPGE-GLK regulatory pairs suggests that any condition leading to an increase in RPGE levels would decrease the expression levels of GLK target genes. Consistently, we found that shade, which upregulates the RPGE mRNA by stabilizing PIFs, represses the expression of photosynthetic genes partly by inhibiting the DNA-binding activity of GLK1. Taken together, these results indicate that RPGE-GLK regulatory pairs regulate photosynthetic gene expression downstream of PIFs.
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