ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
Phenotypic, genetic and molecular characterization of 7B-1, a conditional male-sterile mutant in tomato.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 41 citations in OpenAlex.
- Molecular Regulatory Mechanism of Inflorescence, Flower and Fruit Development in Tomato.Plants (Basel, Switzerland) · 2026Review
- Molecular breeding of tomato: Advances and challenges.Journal of integrative plant biology · 2025Review
- Unlocking male sterility in horticultural crops through gene editing technology for precision breeding applications: presentation of a case study in tomato.Frontiers in plant science · 2025Article
- Candidate Gene Identification and Transcriptome Analysis of TomatoInternational journal of molecular sciences · 2024Article
- Blue Light Enhances Health-Promoting Sulforaphane Accumulation in Broccoli (Plants (Basel, Switzerland) · 2023Article
- Rapid generation of a tomato male sterility system and its feasible application in hybrid seed production.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Genic male and female sterility in vegetable crops.Horticulture research · 2023Article
- Salicylic Acid Regulates Indole-3-Carbinol Biosynthesis Under Blue Light in Broccoli Sprouts (Frontiers in plant science · 2022Article
- Rapid generation of tomato male-sterile lines with a marker use for hybrid seed production by CRISPR/Cas9 system.Molecular breeding : new strategies in plant improvement · 2021Article
- Generating Novel Male Sterile Tomatoes by Editing Respiratory Burst Oxidase Homolog Genes.Frontiers in plant science · 2021Article
- SlGT11 controls floral organ patterning and floral determinacy in tomato.BMC plant biology · 2020Article
- Knockout ofPlants (Basel, Switzerland) · 2020Article
- A biotechnology-based male-sterility system for hybrid seed production in tomato.The Plant journal : for cell and molecular biology · 2020Article
- B-class MADS-box TM6 is a candidate gene for tomato male sterile-15TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Identification of candidate genes underlying genic male-sterile msc-1 locus via genome resequencing in Capsicum annuum L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
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3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
key messageWe characterized the photoperiod-sensitive 7B - 1 male-sterile mutant in tomato, showing its allelism with stamenless - 2 . Mapping experiments indicated SlGLO2 , a B-class MADS-box family member, as a strong candidate to underlie the 7B - 1 mutation. The interest in male sterility (MS) dates back to a long time due to its perspective use in hybrid seed production. Here, we characterize 7B-1, a photoperiod-sensitive male-sterile (ms) mutant in tomato (Solanum lycopersicum L.), in which stamens are restored to fertility by permissive growth conditions in short days (SD). This system represents a useful strategy to facilitate the maintenance of the ms line. Examination of 7B-1 and other structural mutants, vms, sl, sl-2 and tap3, showed carpellization of stamens in the third floral whorl. 7B-1 exhibits strong expressivity in long days (LD), producing 100% aberrant anthers and virtually no seed production under open pollination, whereas it recovered fertility in SD. By genetic analysis, we demonstrate that 7B-1 is not allelic to sl nor to vms; instead it shows allelism to sl-2. Because the homeotic phenotype of the mutation resembles lesions to members of the B-class MADS-box transcription factor family, that specify petal and stamen identity, we pursued a candidate gene approach towards these targets. Using an interspecific backcross mapping population and markers linked to B-class MADS-box genes, significant linkage was found between 7B-1 and the SlGLO2 gene on Chr6. This result was supported by the 7B-1 phenotype that is similar to that of SlGLO2 knock outs and by the strong downregulation of the gene in the mutant. Although the lesion underlying the mutant phenotype is still elusive, our results pave the way for the final demonstration that SlGLO2 underlies 7B-1 and further the use of 7B-1 mutant in tomato hybrid seed production schemes.
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