ArticleJournal of experimental botany2018
FaMYB44.2, a transcriptional repressor, negatively regulates sucrose accumulation in strawberry receptacles through interplay with FaMYB10.
Article in Journal of experimental botany, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.
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58 citing papers in PubMed, 138 citations in OpenAlex.
- Transcriptome-wide identification of R2R3-MYB protein family and functional analysis of CpMYB44 in Cyclocarya paliurus during Colletotrichum fructicola infection.Pest management science · 2026Article
- FvMAPK6-Mediated FvMYB44s/FvSWEET1 Dual-Layer Regulation Modulates Sugar Accumulation in Strawberry Fruit, With FvSPS3 Enabling Quality-Yield Balance.Plant biotechnology journal · 2026Article
- A single nucleotide mutation in FngMYB10 causes white fruit phenotype in Fragaria nilgerrensis.BMC plant biology · 2026Article
- Jasmonate Modulates Strawberry Susceptibility to Anthracnose by Activating SnRK2.1 to Regulate the WRKY50-JAZ5 Module.Plant biotechnology journal · 2026Article
- Promoter variation affects binding affinity of the transcription factor MdWRKY20 to theHorticulture research · 2026Article
- VvMYB44-VvERF045 complex is involved in abscisic acid-induced sugar accumulation by activatingHorticulture research · 2026Article
- Advances in the Regulatory Mechanism of Enzymes Involved in Soluble Sugar Metabolism in Fruits.Plants (Basel, Switzerland) · 2026Review
- Functional characterization of PavIAA6 in sweet cherry: a key regulator of pigmentation, flavor, and nutrient accumulation.BMC plant biology · 2025Article
- Strawberry cryptochrome FvCRY1 and FvCRY2 transcriptionally regulate anthocyanin biosynthesis and sugar metabolism.Molecular horticulture · 2025Article
- Divergent volatilomes between wild and cultivated strawberries: MYB transcription factors underlie flavor differences.Food chemistry. Molecular sciences · 2025Article
- Metabolomic and transcriptomic analyses provide insights into metabolic networks during Fragaria nilgerrensis fruit development and ripening.BMC plant biology · 2025Article
- The TaMYB44-TaMYB1 module regulates grain amylose biosynthesis and flour viscosity in wheat.Plant communications · 2025Article
- Combined analysis of metabolomics and transcriptomics reveals the effects of sugar treatment on postharvest strawberry fruit quality.BMC plant biology · 2025Article
- ZmCCD8 regulates sugar and amino acid accumulation in maize kernels via strigolactone signalling.Plant biotechnology journal · 2025Article
- AaMYB61-like and AabHLH137 jointly regulate anthocyanin biosynthesis in Actinidia arguta.BMC plant biology · 2025Article
- Dynamic histone modification signatures coordinate developmental programs in strawberry fruit ripening.Horticulture research · 2024Article
- Unveiling phenylpropanoid regulation: the role of DzMYB activator and repressor in durian (Durio zibethinus) fruit.Plant cell reports · 2024Article
- Analysis of Ethylene Signal Regulating Sucrose Metabolism in Strawberry Fruits Based on RNA-seq.Plants (Basel, Switzerland) · 2024Article
- Phased gap-free genome assembly of octoploid cultivated strawberry illustrates the genetic and epigenetic divergence among subgenomes.Horticulture research · 2024Article
- Fade into you: genetic control of pigmentation patterns in red-flesh apple (Frontiers in plant science · 2024Article
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Authors and funding
13 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sugar and acid metabolism are critical for fruit ripening and quality formation, but the underlying regulatory mechanisms are largely unknown. Here, we identified a transcriptional repressor, FaMYB44.2, that regulates sugar and acid accumulation in strawberry (Fragaria × ananassa 'Benihoppe') receptacles. We transiently expressed FaMYB44.2 in strawberry fruit and conducted metabolic and molecular analyses to explore the role of FaMYB44.2 in sugar and acid accumulation in strawberry. We found that FaMYB44.2 negatively regulates soluble sugar accumulation and malic acid content and represses the expression of numerous structural genes, including FaSPS3, a key gene in sucrose accumulation. From the white fruit stage onwards, the repressive effect of FaMYB44.2 on FaSPS3 is reversed by FaMYB10, which positively regulates anthocyanin accumulation. Our results indicate that FaMYB10 suppresses FaMYB44.2 expression; weakens the interaction between FaMYB44.2 and its co-repressor, FabHLH3; and cooperates with FabHLH3 to activate the expression of FaSPS3. The interplay between FaMYB10 and FaMYB44.2 results in sucrose accumulation in ripe strawberry fruits. In addition, the repressive effect of FaMYB44.2 on sucrose accumulation is enhanced by jasmonic acid. This study provides new insights into the regulatory mechanisms of sucrose accumulation and sheds light on the interplay between regulatory proteins during strawberry fruit ripening and quality formation.
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