ArticlePlant physiology2011
Signaling pathways mediating the induction of apple fruitlet abscission.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers.
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Who cites it
73 citing papers in PubMed.
- Immature fruit abscission is triggered by hormonal changes in the seed coat of avocado.Journal of experimental botany · 2026Article
- Challenges and solutions in hand pollination for hybrid pepper (Capsicum annuum L.) seed production: a review.Planta · 2026Review
- Fruitlet carbohydrate status and relative growth rate explain apple abscission rates irrespective of flower position.Frontiers in plant science · 2026Article
- Auxin biosynthetic key geneFrontiers in plant science · 2026Article
- Sugar signaling-mediated hormonal regulatory networks: molecular mechanisms underlying fruit abscission and development in seedless litchi.BMC plant biology · 2025Article
- Transcriptome and Targeted Hormone Metabolome Reveal the Mechanism of Flower Abscission in Soybeans Under Shade.International journal of molecular sciences · 2025Article
- Wind Pollination of Apple Flowers Under Insect Exclusion Nets Questions the Insect-Dependent Pollination Model of Modern Apple Plantations.Plants (Basel, Switzerland) · 2025Article
- Analysis of fruit thinning effect and underlying mechanism using metamitron on 'Gala' apples.Frontiers in plant science · 2025Article
- Detection of Reactive Oxygen Species (ROS) Levels in the Fruitlet Abscission Zone of Litchi.Methods in molecular biology (Clifton, N.J.) · 2025Article
- From the Field to the Lab: Establishing Different Abscission Potentials in Apple Fruitlets for Transcriptomic and Functional Studies.Methods in molecular biology (Clifton, N.J.) · 2025Article
- Expression of carbohydrate-related genes underlying 3,5,6-TPA-induced fruitlet abscission in citrus.Scientific reports · 2024Article
- Morphological and genetic characterization of the muscadine fruit abscission zone.Horticulture research · 2024Article
- Reactive Oxygen and Related Regulatory Factors Involved in Ethylene-Induced Petal Abscission in Roses.Plants (Basel, Switzerland) · 2024Article
- Far-red light-enhanced apical dominance stimulates flower and fruit abortion in sweet pepper.Plant physiology · 2024Article
- Signaling pathways mediating the induction of preharvest fruit drop in litchi.Frontiers in plant science · 2024Article
- Transcriptomic and Metabolomic Profiling Reveals the Variations in Carbohydrate Metabolism between Two Blueberry Cultivars.International journal of molecular sciences · 2023Article
- Potential Carbohydrate Regulation Mechanism Underlying Starvation-Induced Abscission of Tomato Flower.International journal of molecular sciences · 2022Article
- A photosynthetic bacterial inoculant exerts beneficial effects on the yield and quality of tomato and affects bacterial community structure in an organic field.Frontiers in microbiology · 2022Article
- Transcriptome analysis reveals the regulatory mechanism by whichHorticulture research · 2022Article
- A multifaceted comparison between the fruit-abscission and fruit-retention cultivars in ornamental crabapple.Frontiers in plant science · 2022Article
13 more citing papers are in PubMed but not listed here.
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Apple (Malus × domestica) represents an interesting model tree crop for studying fruit abscission. The physiological fruitlet drop occurring in this species can be easily magnified by using thinning chemicals, such as benzyladenine (BA), to obtain fruits with improved quality and marketability. Despite the economic importance of this process, the molecular determinants of apple fruitlet abscission are still unknown. In this research, BA was used to obtain fruitlet populations with different abscission potentials to be analyzed by means of a newly released 30K oligonucleotide microarray. RNAs were extracted from cortex and seed of apple fruitlets sampled over a 4-d time course, during which BA triggers fruit drop, and used for microarray hybridization. Transcriptomic profiles of persisting and abscising fruitlets were tested for statistical association with abscission potential, allowing us to identify molecular signatures strictly related to fruit destiny. A hypothetical model for apple fruitlet abscission was obtained by putting together available transcriptomic and metabolomic data. According to this model, BA treatment would establish a nutritional stress within the tree that is primarily perceived by the fruitlet cortex whose growth is blocked by resembling the ovary growth inhibition found in other species. In weaker fruits, this stress is soon visible also at the seed level, likely transduced via reactive oxygen species/sugar and hormones signaling cross talk, and followed by a block of embryogenesis and the consequent activation of the abscission zone.
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