ArticleBMC plant biology2021
The transcription factor AtGLK1 acts upstream of MYBL2 to genetically regulate sucrose-induced anthocyanin biosynthesis in Arabidopsis.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 41 citations in OpenAlex.
- Gene network analysis predicts the primary regulators of ABA-dependent transcriptional activation and repression in Populus roots.PLoS genetics · 2026Article
- Effect of canopy height and tree shape on anthocyanins accumulation in wine grape.Food chemistry. Molecular sciences · 2026Article
- OsSTK-Mediated Sakuranetin Biosynthesis and Carbon Flux Orchestrate Growth and Defence in Rice.Plant biotechnology journal · 2026Article
- Divergent volatilomes between wild and cultivated strawberries: MYB transcription factors underlie flavor differences.Food chemistry. Molecular sciences · 2025Article
- The MdGLK1-MdBZR1 Module Integrates Ethylene and Strigolactone Signals to Regulate Cold Tolerance via a CBF-Dependent Pathway in Apple.Plant biotechnology journal · 2025Article
- Identification and Quantification of Anthocyanins in Various Organs of Potato Varieties (Plants (Basel, Switzerland) · 2025Article
- Disruption ofPlants (Basel, Switzerland) · 2025Article
- Integrated Transcriptome and Metabolome Analyses Reveal Bamboo Culm Color Formation Mechanisms Involved in Anthocyanin Biosynthetic inInternational journal of molecular sciences · 2024Article
- A Quick Method to Analyze Peptide-Regulated Anthocyanin Biosynthesis.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Characteristics and Functions of MYB (v-Myb avivan myoblastsis virus oncogene homolog)-Related Genes inGenes · 2023Review
- Chloroplasts prevent precocious flowering through a GOLDEN2-LIKE-B-BOX DOMAIN PROTEIN module.Plant communications · 2023Article
- Comparative transcriptomic analysis provides insights into the molecular basis underlying pre-harvest sprouting in rice.BMC genomics · 2022Article
- Anthocyanin regulatory networks in Solanum tuberosum L. leaves elucidated via integrated metabolomics, transcriptomics, and StAN1 overexpression.BMC plant biology · 2022Article
- Mining of Potential Gene Resources for Breeding Nutritionally Improved Maize.Plants (Basel, Switzerland) · 2022Review
- Glucose Supply Induces PsMYB2-Mediated Anthocyanin Accumulation inFrontiers in plant science · 2022Article
- ATG8-Interacting Motif: Evolution and Function in Selective Autophagy of Targeting Biological Processes.Frontiers in plant science · 2021Review
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe regulation of anthocyanin biosynthesis by various factors including sugars, light and abiotic stresses is mediated by numerous regulatory factors acting at the transcriptional level. Here experimental evidence was provided in order to demonstrate that the nuclear GARP transcription factor AtGLK1 plays an important role in regulating sucrose-induced anthocyanin biosynthesis in Arabidopsis.
resultsThe results obtained using real-time quantitative PCR and GUS staining assays revealed that AtGLK1 was mainly expressed in the green tissues of Arabidopsis seedlings and could be induced by sucrose. The loss-of-function glk1 glk2 double mutant has lower anthocyanin levels than the glk2 single mutant, although it has been determined that loss of AtGLK1 alone does not affect anthocyanin accumulation. Overexpression of AtGLK1 enhances the accumulation of anthocyanin in transgenic Arabidopsis seedlings accompanied by increased expression of anthocyanin biosynthetic and regulatory genes. Moreover, we found that AtGLK1 also participates in plastid-signaling mediated anthocyanin accumulations. Genetic, physiological, and molecular biological approaches demonstrated that AtGLK1 acts upstream of MYBL2, which is a key negative regulator of anthocyanin biosynthesis, to genetically regulate sucrose-induced anthocyanin biosynthesis.
conclusionOur results indicated that AtGLK1 positively regulates sucrose-induced anthocyanin biosynthesis in Arabidopsis via MYBL2.
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