ArticleThe Plant cell2023
Microtubule-associated protein SlMAP70 interacts with IQ67-domain protein SlIQD21a to regulate fruit shape in tomato.
Article in The Plant cell, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 38 citations in OpenAlex.
- Article
- Regulatory divergence of homoeologs underlies network optimization for fiber improvement in domesticated cotton.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- The multidimensional regulation roles and mechanisms of calcium in fruit quality.Journal of integrative plant biology · 2026Review
- The Microtubule-Associated Protein CsTON2 Interacts With CsTRM5 and CsSUN to Regulate Fruit Shape Development in Cucumber.Plant biotechnology journal · 2026Article
- Structure, evolution, phylogeny, and analysis of domain-deficient genes in the IQD gene family of Brassica juncea.Scientific reports · 2026Article
- Cytoskeletal control of development and environmental adaptation in plants.Science China. Life sciences · 2026Review
- Identification of major loci governing 13 agronomic traits and the fine-mapping of CaSUN29 regulating fruit length in pepper.Molecular horticulture · 2025Article
- Article
- Microtubule-associated protein PlWDL2 positively promotes stem strength in herbaceous peony.Planta · 2025Article
- Autophagy plays a dual role in chromoplast transition and degradation and is essential for fruit coloration and ripening.Autophagy · 2025Article
- The IQ67-domain protein IQD1 regulates fruit shape through complex multiprotein interactions in pepper (Capsicum annuum L.).Plant biotechnology journal · 2025Article
- Integrated Phylogenomics and Expression Profiling of thePlants (Basel, Switzerland) · 2025Article
- Dawning aurora: TPXL3 activates α-Aurora kinase and regulates mitotic spindle morphogenesis.The Plant cell · 2025Article
- Molecular breeding of tomato: Advances and challenges.Journal of integrative plant biology · 2025Review
- Transposon proliferation drives genome architecture and regulatory evolution in wild and domesticated peppers.Nature plants · 2025Article
- Genome-Wide Characterization of IQD Family Proteins in Apple and Functional Analysis of the Microtubule-Regulating Abilities of MdIQD17 and MdIQD28 under Cold Stress.Plants (Basel, Switzerland) · 2024Article
- Characterization of a New Citrus Mutant Induced by Gamma Irradiation with a Unique Fruit Shape, Gwonje-Early, and Determination of Specific Selection Markers Using Allele-Specific PCR.Plants (Basel, Switzerland) · 2024Article
- T2T reference genome assembly and genome-wide association study reveal the genetic basis of Chinese bayberry fruit quality.Horticulture research · 2024Article
- New Advances in the Study of Regulation of Tomato Flowering-Related Genes Using Biotechnological Approaches.Plants (Basel, Switzerland) · 2024Review
- Comprehensive genetic diversity and genome-wide association studies revealed the genetic basis of avocado fruit quality traits.Frontiers in plant science · 2024Article
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10 authors at 2 institutions in 2 countries.
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Abstract
Tomato (Solanum lycopersicum) fruit shape is related to microtubule organization and the activity of microtubule-associated proteins (MAPs). However, insights into the mechanism of fruit shape formation from a cell biology perspective remain limited. Analysis of the tissue expression profiles of different microtubule regulators revealed that functionally distinct classes of MAPs, including members of the plant-specific MICROTUBULE-ASSOCIATED PROTEIN 70 (MAP70) and IQ67 DOMAIN (IQD, also named SUN in tomato) families, are differentially expressed during fruit development. SlMAP70-1-3 and SlIQD21a are highly expressed during fruit initiation, which relates to the dramatic microtubule pattern rearrangements throughout this developmental stage of tomato fruits. Transgenic tomato lines overexpressing SlMAP70-1 or SlIQD21a produced elongated fruits with reduced cell circularity and microtubule anisotropy, while their loss-of-function mutants showed the opposite phenotype, harboring flatter fruits. Fruits were further elongated in plants coexpressing both SlMAP70-1 and SlIQD21a. We demonstrated that SlMAP70s and SlIQD21a physically interact and that the elongated fruit phenotype is likely due to microtubule stabilization induced by the SlMAP70-SlIQD21a interaction. Together, our results identify SlMAP70 proteins and SlIQD21a as important regulators of fruit elongation and demonstrate that manipulating microtubule function during early fruit development provides an effective approach to alter fruit shape.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.