Abscission zones: cellular interfaces for the programmed separation of organs.

IF 3.6 2区生物学 Q1 PLANT SCIENCES

Annals of botany Pub Date : 2025-03-06 DOI:10.1093/aob/mcaf034

Véronique Pautot, Jennifer Crick, Shelley R Hepworth

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引用次数: 0

Abstract

Background: Abscission zones are specialized sites where plants shed organs, such as leaves, petals, or fruits, in response to developmental or environmental signals. These zones form at predictable locations and, once activated, undergo structural and physiological changes that detach the organ and seal the exposed area. During crop domestication, plants that retained ripe fruit or seeds were selected, and abscission traits still influence crop yield and quality today.

Scope: This article reviews the stages of abscission zones development: initiation, competence, separation, and sealing. We combine insights from classic structural and physiological studies with modern genetic and molecular research, focusing on two plant species: Arabidopsis thaliana as a model for floral organ abscission and Solanum lycopersicum as a model for fleshy fruit development.

Conclusions: These studies show that abscission is a conserved but flexible developmental process. We conclude by exploring how these findings are being applied to improve abscission traits in modern agriculture.

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来源期刊

Annals of botany 生物-植物科学

CiteScore

7.90

自引率

4.80%

发文量

138

审稿时长

3 months

期刊介绍： Annals of Botany is an international plant science journal publishing novel and rigorous research in all areas of plant science. It is published monthly in both electronic and printed forms with at least two extra issues each year that focus on a particular theme in plant biology. The Journal is managed by the Annals of Botany Company, a not-for-profit educational charity established to promote plant science worldwide. The Journal publishes original research papers, invited and submitted review articles, ''Research in Context'' expanding on original work, ''Botanical Briefings'' as short overviews of important topics, and ''Viewpoints'' giving opinions. All papers in each issue are summarized briefly in Content Snapshots , there are topical news items in the Plant Cuttings section and Book Reviews . A rigorous review process ensures that readers are exposed to genuine and novel advances across a wide spectrum of botanical knowledge. All papers aim to advance knowledge and make a difference to our understanding of plant science.