ArticlePlant molecular biology2016
TOMATO AGAMOUS1 and ARLEQUIN/TOMATO AGAMOUS-LIKE1 MADS-box genes have redundant and divergent functions required for tomato reproductive development.
Article in Plant molecular biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed, 81 citations in OpenAlex.
- Molecular Regulatory Mechanism of Inflorescence, Flower and Fruit Development in Tomato.Plants (Basel, Switzerland) · 2026Review
- Transcriptional control of tomato fruit development and ripening.Journal of experimental botany · 2025Review
- Functional redundancy of transcription factors SlNOR and SlNOR-like1 is required for pollen development in tomato.Horticulture research · 2025Article
- JOINTLESS Maintains Inflorescence Meristem Identity in Tomato.Plant & cell physiology · 2024Article
- SlCRCa is a key D-class gene controlling ovule fate determination in tomato.Plant biotechnology journal · 2024Article
- Article
- Insights into the functional role of tomatoHorticulture research · 2024Article
- Two SEPALLATA MADS-Box Genes,International journal of molecular sciences · 2024Article
- Transcriptional regulation of tomato fruit ripening.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Review
- New Advances in the Study of Regulation of Tomato Flowering-Related Genes Using Biotechnological Approaches.Plants (Basel, Switzerland) · 2024Review
- Flower Development in the Solanaceae.Methods in molecular biology (Clifton, N.J.) · 2023Review
- Transcriptome Analysis and Screening of Genes Associated with Flower Size in Tomato (International journal of molecular sciences · 2022Article
- Morphological and gene expression characterization ofMolecular breeding : new strategies in plant improvement · 2022Article
- Gene expression analysis during the fruit development in dehiscent and indehiscentPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- All-flesh fruit in tomato is controlled by reduced expression dosage of AFF through a structural variant mutation in the promoter.Journal of experimental botany · 2022Article
- Firming up your tomato: a natural promoter variation in a MADS-box gene is causing all-flesh tomatoes.Journal of experimental botany · 2022Article
- Multispecies transcriptomes reveal core fruit development genes.Frontiers in plant science · 2022Article
- Genome-wide identification and expression analysis of the MADS-box gene family during female and male flower development inFrontiers in plant science · 2022Article
- Multiple and integrated functions of floral C-class MADS-box genes in flower and fruit development of Physalis floridana.Plant molecular biology · 2021Article
- Genetic and Molecular Mechanisms Conferring Heat Stress Tolerance in Tomato Plants.Frontiers in plant science · 2021Review
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Within the tomato MADS-box gene family, TOMATO AGAMOUS1 (TAG1) and ARLEQUIN/TOMATO AGAMOUS LIKE1 (hereafter referred to as TAGL1) are, respectively, members of the euAG and PLE lineages of the AGAMOUS clade. They perform crucial functions specifying stamen and carpel development in the flower and controlling late fruit development. To gain insight into the roles of TAG1 and TAGL1 genes and to better understand their functional redundancy and diversification, we characterized single and double RNAi silencing lines of these genes and analyzed expression profiles of regulatory genes involved in reproductive development. Double RNAi lines did show cell abnormalities in stamens and carpels and produced extremely small fruit-like organs displaying some sepaloid features. Expression analyses indicated that TAG1 and TAGL1 act together to repress fourth whorl sepal development, most likely through the MACROCALYX gene. Results also proved that TAG1 and TAGL1 have diversified their functions in fruit development: while TAG1 controls placenta and seed formation, TAGL1 participates in cuticle development and lignin biosynthesis inhibition. It is noteworthy that both TAG1 and double RNAi plants lacked seed development due to abnormalities in pollen formation. This seedless phenotype was not associated with changes in the expression of B-class stamen identity genes Tomato MADS-box 6 and Tomato PISTILLATA observed in silencing lines, suggesting that other regulatory factors should participate in pollen formation. Taken together, results here reported support the idea that both redundant and divergent functions of TAG1 and TAGL1 genes are needed to control tomato reproductive development.
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