ArticleJournal of experimental botany2011
Petal abscission in rose is associated with the differential expression of two ethylene-responsive xyloglucan endotransglucosylase/hydrolase genes, RbXTH1 and RbXTH2.
Article in Journal of experimental botany, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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44 citing papers in PubMed, 87 citations in OpenAlex.
- Petal senescence in cut roses.Horticulture research · 2026Article
- Identification of thePlants (Basel, Switzerland) · 2025Article
- Seed shattering in common buckwheat (Fagopyrum esculentum): insights from RNA-seq and morphological analysis.BMC plant biology · 2025Article
- A Methodological Approach to Facilitate Abscission Zone Isolation and Gene Regulation Studies of Rose.Methods in molecular biology (Clifton, N.J.) · 2025Article
- Genome-wide analysis of wheat xyloglucan endotransglucosylase/hydrolase (XTH) gene family revealed TaXTH17 involved in abiotic stress responses.BMC plant biology · 2024Article
- Reactive Oxygen and Related Regulatory Factors Involved in Ethylene-Induced Petal Abscission in Roses.Plants (Basel, Switzerland) · 2024Article
- WOX2 functions redundantly with WOX1 and WOX4 to positively regulate seed germination in Arabidopsis.Planta · 2024Article
- Phytohormones and candidate genes synergistically regulate fruitlet abscission in Areca catechu L.BMC plant biology · 2023Article
- The rose INFLORESCENCE DEFICIENT IN ABSCISSION-LIKE genes, RbIDL1 and RbIDL4, regulate abscission in an ethylene-responsive manner.Plant cell reports · 2023Article
- Grain shattering by cell death and fracture in Eragrostis tef.Plant physiology · 2023Article
- Genome-Wide Identification and Expression Analysis ofPlants (Basel, Switzerland) · 2022Article
- Remodeling of Cell Wall Components in Root Nodules and Flower Abscission Zone under Drought in Yellow Lupine.International journal of molecular sciences · 2022Article
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- TheMolecular breeding : new strategies in plant improvement · 2022Article
- Map-Based Cloning and Characterization ofFrontiers in plant science · 2022Article
- Transcriptome Analysis Reveals the Senescence Process Controlling the Flower Opening and Closure Rhythm in the Waterlilies (Frontiers in plant science · 2021Article
- Petal abscission in fragrant roses is associated with large scale differential regulation of the abscission zone transcriptome.Scientific reports · 2020Article
- Article
- Molecular Events Involved in Fruitlet Abscission in Litchi.Plants (Basel, Switzerland) · 2020Review
- Interspaced Repeat Sequences Confer the Regulatory Functions of AtXTH10, Important for Root Growth in Arabidopsis.Plants (Basel, Switzerland) · 2019Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abscission is a process that involves shedding of plant organs from the main plant body. In this study it is shown that the process of petal separation in the fragrant rose, Rosa bourboniana, is accompanied by the expression of two xyloglucan endotransglucosylase/hydrolase genes, RbXTH1 and RbXTH2. The sequences of the two genes show 52% amino acid identity but are conserved at the catalytic site. The genes are up-regulated soon after the initiation of the abscission process and their transcription is associated with the progression of abscission, being faster in ethylene-treated flowers but slower during field abscission. Transcription is ethylene responsive, with the ethylene response being tissue-specific for RbXTH1 but largely tissue-independent for RbXTH2. Expression is correlated with an increase in xyloglucan endotransglucosylase (XET) action in petal abscission zones of both ethylene-treated and field abscising flowers. Proximal promoters of both the genes drive β-glucuronidase expression in an ethylene-responsive and abscission-related manner in agrobacteria-infiltrated rose petals, indicating that cis-elements governing ethylene-responsive and abscission-related expression probably lie within the first 700 nucleotides upstream of the translational initiation codon. The results show that cell wall remodelling of the xyloglucan moieties through the XET action of XTHs may be important for cell separation during abscission.
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