ArticleTheScientificWorldJournal2014
Ultrastructural localization of polygalacturonase in ethylene-stimulated abscission of tomato pedicel explants.
Article in TheScientificWorldJournal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 14 citations in OpenAlex.
- Phytohormones and candidate genes synergistically regulate fruitlet abscission in Areca catechu L.BMC plant biology · 2023Article
- A multifaceted comparison between the fruit-abscission and fruit-retention cultivars in ornamental crabapple.Frontiers in plant science · 2022Article
- Patterns of Expansion and Expression Divergence of the Polygalacturonase Gene Family inInternational journal of molecular sciences · 2020Article
- Comparative Proteomics Profiling Illuminates the Fruitlet Abscission Mechanism of Sweet Cherry as Induced by Embryo Abortion.International journal of molecular sciences · 2020Article
- Identification and expression analysis of BoMF25, a novel polygalacturonase gene involved in pollen development of Brassica oleracea.Plant reproduction · 2015Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
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Abstract
Polygalacturonase (PG) is crucial in plant organ abscission process. This paper investigated the cellular and subcellular localization of PG in ethylene-stimulated abscission of tomato pedicel explants. Confocal laser scanning microscopy of abscission zone sections with the fluorescent probe Cy3 revealed that PG was initially accumulated in parenchyma cells in cortical and vascular tissues after 8 h of ethylene treatment and then extended throughout the abscission zone when the abscission zone separated at 24 h after ethylene treatment. At the subcellular level, transmission electron microscopy with immunogold staining showed that PG showed abundant accumulation in the cortical and vascular tissues at 8 h after ethylene treatment, and the distribution area extended to the central parenchyma cells at 16 h after ethylene treatment. In addition, PGs were observed in the distal and proximal parts of the tomato pedicel explants throughout the abscission process. The results provided a visualized distribution of PG in the pedicel abscission zone and proved that PG was closely related to abscission.
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