ArticleJournal of experimental botany2023
HvSL1 and HvMADS16 promote stamen identity to restrict multiple ovary formation in barley.
Article in Journal of experimental botany, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 12 citations in OpenAlex.
- Imputation integrates single-cell and spatial gene expression data to resolve transcriptional networks in barley shoot meristem development.Nature plants · 2026Article
- An AP2/ERF transcription factor controls generation of the twin-seedling rice.Journal of advanced research · 2025Article
- MADS8 is indispensable for female reproductive development at high ambient temperatures in cereal crops.The Plant cell · 2023Article
- Femaleness for improving grain yield potential and hybrid production in barley.Journal of experimental botany · 2023Article
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6 authors at 1 institution in 1 country.
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Abstract
Correct floral development is the result of a sophisticated balance of molecular cues. Floral mutants provide insight into the main genetic determinants that integrate these cues, as well as providing opportunities to assess functional variation across species. In this study, we characterize the barley (Hordeum vulgare) multiovary mutants mov2.g and mov1, and propose causative gene sequences: a C2H2 zinc-finger gene HvSL1 and a B-class gene HvMADS16, respectively. In the absence of HvSL1, florets lack stamens but exhibit functional supernumerary carpels, resulting in multiple grains per floret. Deletion of HvMADS16 in mov1 causes homeotic conversion of lodicules and stamens into bract-like organs and carpels that contain non-functional ovules. Based on developmental, genetic, and molecular data, we propose a model by which stamen specification in barley is defined by HvSL1 acting upstream of HvMADS16. The present work identifies strong conservation of stamen formation pathways with other cereals, but also reveals intriguing species-specific differences. The findings lay the foundation for a better understanding of floral architecture in Triticeae, a key target for crop improvement.
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