ArticleBMC plant biology2021
Cross-talk between transcriptome, phytohormone and HD-ZIP gene family analysis illuminates the molecular mechanism underlying fruitlet abscission in sweet cherry (Prunus avium L).
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 48 citations in OpenAlex.
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- A multi-perspective analysis of the regulatory mechanisms governing pedicel abscission in tomato.Plant cell reports · 2026Review
- Transcriptome based WGCNA analysis reveals the mechanisms underlying corolla abscission in blueberry (Vaccinium corymbosum L.).BMC plant biology · 2026Article
- Integrated transcriptome and proteome indicate molecular mechanisms of endogenous hormonal imbalance regulating variation in jujube (Food chemistry. Molecular sciences · 2026Article
- A hierarchical abscission program regulates reproductive allocation inHorticulture research · 2026Article
- Auxin biosynthetic key geneFrontiers in plant science · 2026Article
- At the breaking point: developmental and molecular insights intoFrontiers in plant science · 2026Article
- RsMYB8-RsMYB73 module positively regulates parthenocarpic fruitsetting via elevatingHorticulture research · 2026Article
- Article
- Growth and development characteristics of fruit and vegetative bud outgrowth of Prunus sibirica L. in relation to physiological fruit drop.BMC plant biology · 2025Article
- Integrated Transcriptomic and Metabolomic Profiling Identifies Candidate Genes and Pathways Associated With Pedicel Abscission Susceptibility inFood science & nutrition · 2025Article
- Expression analyses of sweet cherry AUX/IAAs and involvements of PavAUX/IAA9/11 in regulating fruitlet abscission.Plant cell reports · 2025Article
- MmPHR1 enhances low phosphorus stress tolerance by activating MmPHT1;5 in an elite apple rootstock -Malus mandshurica.BMC plant biology · 2025Article
- Transcriptome analyses for revealing leaf abscission of Cyclocarya paliurus stem segments in vitro.BMC genomics · 2025Article
- Analysis of fruit thinning effect and underlying mechanism using metamitron on 'Gala' apples.Frontiers in plant science · 2025Article
- Unraveling the mechanisms of fruit abscission inFrontiers in plant science · 2025Article
- Soybean hypocotyl elongation is regulated by a MYB33-SWEET11/21-GA2ox8c module involving long-distance sucrose transport.Plant biotechnology journal · 2024Article
- Genome-wide analysis of HD-Zip genes in Sophora alopecuroides and their role in salt stress response.The plant genome · 2024Article
- Transcription Factor VlbZIP14 Inhibits Postharvest Grape Berry Abscission by Directly ActivatingInternational journal of molecular sciences · 2024Article
- Abscission in plants: from mechanism to applications.Advanced biotechnology · 2024Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe shedding of premature sweet cherry (Prunus avium L) fruitlet has significantly impacted production, which in turn has a consequential effect on economic benefits.
resultTo better understand the molecular mechanism of sweet cherry fruitlet abscission, pollen viability and structure had been observed from the pollination trees. Subsequently, the morphological characters of the shedding fruitlet, the plant hormone titers of dropping carpopodium, the transcriptome of the abscising carpopodium, as well as the HD-ZIP gene family were investigated. These findings showed that the pollens giving rise to heavy fruitlet abscission were malformed in structure, and their viability was lower than the average level. The abscising fruitlet and carpopodium were characterized in red color, and embryos of abscising fruitlet were aborted, which was highly ascribed to the low pollen viability and malformation. Transcriptome analysis showed 6462 were significantly differentially expressed, of which 2456 genes were up-regulated and 4006 down-regulated in the abscising carpopodium. Among these genes, the auxin biosynthesis and signal transduction genes (α-Trp, AUX1), were down-regulated, while the 1-aminocyclopropane-1-carboxylate oxidase gene (ACO) affected in ethylene biosynthesis, was up-regulated in abscising carpopodium. About genes related to cell wall remodeling (CEL, PAL, PG EXP, XTH), were up-regulated in carpopodium abscission, which reflecting the key roles in regulating the abscission process. The results of transcriptome analysis considerably conformed with those of proteome analysis as documented previously. In comparison with those of the retention fruitlet, the auxin contents in abscising carpopodium were significantly low, which presumably increased the ethylene sensitivity of the abscission zone, conversely, the abscisic acid (ABA) accumulation was considerably higher in abscising carpopodium. Furthermore, the ratio of (TZ + IAA + GA3) / ABA also obviously lower in abscising carpopodium. Besides, the HD-ZIP gene family analysis showed that PavHB16 and PavHB18 were up-regulated in abscising organs.
conclusionOur findings combine morphology, cytology and transcriptional regulation to reveal the molecular mechanism of sweet cherry fruitlet abscission. It provides a new perspective for further study of plant organ shedding.
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