ArticleFrontiers in plant science2024
Phytohormonal dynamics in the abscission zone of Korla fragrant pear during calyx abscission: a visual study.
Article in Frontiers in plant science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Spatial Distribution Characterization of Hormonal Metabolites in Morphologically Diverse Jujube Fruits via MALDI-MS Imaging.Foods (Basel, Switzerland) · 2026Article
- At the breaking point: developmental and molecular insights intoFrontiers in plant science · 2026Article
- Inheritance of Calyx Abscission in Apple: A Trait with Potential Impact on Fruit Rot Susceptibility.Plants (Basel, Switzerland) · 2025Article
- Mini Review: Highlight of Recent Advances and Applications of MALDI Mass Spectrometry Imaging in 2024.Analytical science advances · 2025Review
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10 authors.
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Abstract
Introduction: Phytohormones play a crucial role in regulating the abscission of plant organs and tissues. Methods: In this study, the ultrastructure of the sepals of Korla fragrant pears was observed using a transmission electron microscope, and high-performance liquid and gas chromatography were used to analyze the dynamic changes of phytohormones in the abscission zone during the calyx abscission process of Korla fragrant pears, and mass spectrometry imaging was applied to ascertain the spatial distribution of phytohormones. Results: The results revealed that the mitochondria in the abscission zone of the decalyx fruits were regularly distributed around the cell wall, and the chloroplasts were moderately present. In contrast, in the persistent calyx fruit, the corresponding parts of the abscission zone showed a scattered distribution of mitochondria within the cells, and there was a higher number of chloroplasts, which also contained starch granules inside. Mass spectrometry imaging revealed that ABA was enriched in the abscission zone of the decalyx fruit, and their ionic signal intensities were significantly stronger than those of the persistent calyx fruit. However, the ionic signal intensities of Indole-3-acetic acid (IAA) and Gibberellin A3 (GA
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