ArticleJournal of experimental botany2014
A GAMYB homologue CsGAMYB1 regulates sex expression of cucumber via an ethylene-independent pathway.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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54 citing papers in PubMed, 90 citations in OpenAlex.
- The ga3ox1b mutation reveals the crosstalk between gibberellin and other phytohormones in controlling the growth and development of female flowers in Cucurbita pepo.Journal of experimental botany · 2026Article
- VvGAMYB Orchestrates Multi-Signaling Networks to Modulate GA-Induced Parthenocarpic Seedless Berry Development in Grapes.International journal of molecular sciences · 2026Article
- Exploring the jasmonic acid signaling pathway: the role ofHorticulture research · 2026Article
- Gynoecious and monoecious cucumbers drive the assembly of different rhizosphere microbial communities.Frontiers in plant science · 2026Article
- Temperature-dependent sex expression in cucurbits and beyond: mechanisms, reproductive plasticity, and breeding implications.Frontiers in plant science · 2026Review
- Co-domestication of cold tolerance and female flower is determined by CsEIN2 in cucumber.Plant biotechnology journal · 2025Article
- Fine mapping and identification of CqMYB62 as the subgynoecy gene in chieh-qua (Benincasa hispida Cogn. var. Chieh-qua How).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- LoBLH6 interacts with LoMYB65 to regulate anther development through feedback regulation of gibberellin synthesis in lily.Horticulture research · 2025Article
- Overexpression ofGenes · 2024Article
- Revisit and explore the ethylene-independent mechanism of sex expression in cucumber (Cucumis sativus).Plant reproduction · 2024Review
- Low-dosePlant molecular biology · 2024Article
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- Comparative RNA-Seq Analysis between Monoecious and Androecious Plants Reveals Regulatory Mechanisms Controlling Female Flowering inInternational journal of molecular sciences · 2023Article
- Impact of Climate Change on Regulation of Genes Involved in Sex Determination and Fruit Production in Cucumber.Plants (Basel, Switzerland) · 2023Review
- Understanding Transcription Factors and How They Affect Processes in Cucumber Sex Determination.Metabolites · 2023Article
- High-temperature stress in crops: male sterility, yield loss and potential remedy approaches.Plant biotechnology journal · 2023Review
- Melon yellow-green plant (Cmygp) encodes a Golden2-like transcription factor regulating chlorophyll synthesis and chloroplast development.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Genome-Wide Identification and Functional Analysis of the Roles ofInternational journal of molecular sciences · 2023Article
- Genome-Wide Identification and Expression Analysis of MADS-Box Family Genes in Litchi (Plants (Basel, Switzerland) · 2021Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cucumber (Cucumis sativus L.) is a typical monoecious vegetable with individual male and female flowers, and has been used as a model plant for sex determination. It is well known that sex differentiation of cucumber can be regulated by phytohormones, such as gibberellic acid (GA) and ethylene. The molecular mechanism of female sex expression modulated by ethylene has been widely understood, but how GA controls male sex expression remains elusive. In hermaphroditic Arabidopsis and rice, GA can regulate stamen and anther development via the transcriptional regulation of GAMYB. Here we characterized a GAMYB homologue CsGAMYB1 in cucumber. We found that CsGAMYB1 is predominantly expressed in male flower buds, where its expression is upregulated by GA3 treatment. CsGAMYB1 protein is localized in the nucleus. CsGAMYB1 can partially rescue stamen development and fertility phenotypes of an Arabidopsis myb33 myb65 double mutant. However, constitutive overexpression of CsGAMYB1 in wild-type Arabidopsis resulted in male sterility, which mimics the effect of GA overdose in flower development. Knockdown of CsGAMYB1 in cucumber decreases the ratio of nodes with male and female flowers, and ethylene is not involved in this process. Our data suggest that CsGAMYB1 regulates sex expression of cucumber via an ethylene-independent pathway.
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