ArticlePlant cell reports2020
A gain-of-function mutation in Brassinosteroid-insensitive 2 alters Arabidopsis floral organ development by altering auxin levels.
Article in Plant cell reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- The Phylogeny of Brassicaceae YABBYs and theInternational journal of molecular sciences · 2026Article
- Brassinosteroid biosynthesis and signaling: Conserved and diversified functions of core genes across multiple plant species.Plant communications · 2024Review
- PfPIN5 promotes style elongation by regulating cell length in Primula forbesii Franch.Annals of botany · 2024Article
- A GASA Protein Family Gene,International journal of molecular sciences · 2024Article
- PIN3 positively regulates the late initiation of ovule primordia in Arabidopsis thaliana.PLoS genetics · 2022Article
- Glycogen synthase kinases in model and crop plants - From negative regulators of brassinosteroid signaling to multifaceted hubs of various signaling pathways and modulators of plant reproduction and yield.Frontiers in plant science · 2022Review
- The Role of Ribosomal Protein S6 Kinases in Plant Homeostasis.Frontiers in molecular biosciences · 2021Review
- ATBS1-INTERACTING FACTOR 2 Negatively Modulates Pollen Production and Seed Formation inFrontiers in plant science · 2021Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
key messageAuxin can alter the fertility of bin2-1 plants and depends on the expression of SHY2. Brassinosteroids (BRs) play important roles in plant growth and developmental processes. By systematically evaluating the phenotypes of BR biosynthesis and BR signaling mutants, researchers have reported that BRs positively regulate floral development. In this study, we found that brassinosteroid-insensitive 2 (bin2-1) and short-hypocotyl 2 (shy2-2) mutants exhibited significantly reduced fertility. These mutants had short inflorescences, decreased floral organ length (short petals, stamens, carpels, and stigmas), and short siliques. Exogenous auxin applications could partially rescue the shortened length of the floral organs and siliques of the bin2-1 mutants. Additional experiments revealed that a lack of SHY2 activity increased the fertility of the bin2-1 mutants. A search for downstream affected genes revealed that auxin influences the expression of ARFs and PINs in the bin2-1 mutants, suggesting that auxin plays a major role in the regulation of bin2-1 plant fertility. Thus, BIN2 plays a role in fertility by affecting auxin levels, mainly by altering the expression of SHY2.
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