ArticleFrontiers in plant science2015
Distribution of XTH, expansin, and secondary-wall-related CesA in floral and fruit abscission zones during fruit development in tomato (Solanum lycopersicum).
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed.
- A multi-perspective analysis of the regulatory mechanisms governing pedicel abscission in tomato.Plant cell reports · 2026Review
- Comprehensive genomic analysis of the expansin gene family in pecan (Carya illinoinensis) and their transcriptional responses to stresses and fruit abscission.BMC plant biology · 2025Article
- Current understanding of the role of the cell wall in Cuscuta parasitism.Plant biology (Stuttgart, Germany) · 2025Review
- Abscission zones: cellular interfaces for the programmed separation of organs.Annals of botany · 2025Review
- Elucidating the Molecular Mechanisms of Physiological Fruit Abscission inPlants (Basel, Switzerland) · 2025Article
- Abscission in plants: from mechanism to applications.Advanced biotechnology · 2024Review
- EXPANSIN15 is involved in flower and fruit development in Arabidopsis.Plant reproduction · 2024Article
- WOX2 functions redundantly with WOX1 and WOX4 to positively regulate seed germination in Arabidopsis.Planta · 2024Article
- Article
- Transcriptome analysis showed that tomato-rootstock enhanced salt tolerance of grafted seedlings was accompanied by multiple metabolic processes and gene differences.Frontiers in plant science · 2023Article
- Involvement of IDA-HAE Module in Natural Development of Tomato Flower Abscission.Plants (Basel, Switzerland) · 2023Article
- Virtual issue: cell wall functions in plant growth and environmental responses.Journal of plant research · 2021Article
- Transcriptomics of Improved Fruit Retention by Hexanal in 'Honeycrisp' Reveals Hormonal Crosstalk and Reduced Cell Wall Degradation in the Fruit Abscission Zone.International journal of molecular sciences · 2021Article
- Building a Flower: The Influence of Cell Wall Composition on Flower Development and Reproduction.Genes · 2021Review
- Cross-talk between transcriptome, phytohormone and HD-ZIP gene family analysis illuminates the molecular mechanism underlying fruitlet abscission in sweet cherry (Prunus avium L).BMC plant biology · 2021Article
- Article
- A high maternal genome excess causes severe seed abortion leading to ovary abscission inPlant direct · 2020Article
- Comparative Proteomics Profiling Illuminates the Fruitlet Abscission Mechanism of Sweet Cherry as Induced by Embryo Abortion.International journal of molecular sciences · 2020Article
- High-Resolution Linkage Map and QTL Analyses of Fruit Firmness in Autotetraploid Blueberry.Frontiers in plant science · 2020Article
- Transcriptome-wide effects of expansin gene manipulation in etiolated Arabidopsis seedling.Journal of plant research · 2019Article
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3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
After fruit development is triggered by pollination, the abscission zone (AZ) in the fruit pedicel strengthens its adhesion to keep the fruit attached. We previously reported that xyloglucan and arabinan accumulation in the AZ accompanies the shedding of unpollinated flowers. After the fruit has developed and is fully ripened, shedding occurs easily in the AZ due to lignin accumulation. Regulation of cell wall metabolism may play an important role in these processes, but it is not well understood. In the present report, we used immunohistochemistry to visualize changes in the distributions of xyloglucan and arabinan metabolism-related enzymes in the AZs of pollinated and unpollinated flowers, and in ripened fruits. During floral abscission, we observed a gradual increase in polyclonal antibody labeling of expansin in the AZ. The intensities of LM6 and LM15 labeling of arabinan and xyloglucan, respectively, also increased. However, during floral abscission, we observed a large 1 day post anthesis (DPA) peak in the polyclonal antibody labeling of XTH in the AZ, which then decreased. These results suggest that expansin and XTH play important, but different roles in the floral abscission process. During fruit abscission, unlike during floral abscission, no AZ-specific expansin and XTH were observed. Although lignification was seen in the AZ of over-ripe fruit pedicels, secondary cell wall-specific cellulose synthase signals were not observed. This suggests that cellulose metabolism-related enzymes do not play important roles in the AZ prior to fruit abscission.
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