ArticleThe Plant journal : for cell and molecular biology2010
The SERK1 receptor-like kinase regulates organ separation in Arabidopsis flowers.
Article in The Plant journal : for cell and molecular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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36 citing papers in PubMed, 79 citations in OpenAlex.
- An IDA peptide from Boea hygrometrica enhances desiccation tolerance but lacks activity in Arabidopsis.Planta · 2026Article
- The HAESA family of receptor-like kinases: abscission pathways and emerging functions.Frontiers in plant science · 2026Review
- Cowpea (Vigna unguiculata L. Walp.) landraces in Mozambique and neighbouring Southern African countries harbour genetic loci with potential for climate adaptation.Communications biology · 2025Article
- Advances in Rice Seed Shattering.International journal of molecular sciences · 2023Review
- Genetics of destemming in pepper: A step towards mechanical harvesting.Frontiers in genetics · 2023Article
- Receptor-like protein kinases in plant reproduction: Current understanding and future perspectives.Plant communications · 2022Review
- Transcriptional Regulation of Abscission Zones.Plants (Basel, Switzerland) · 2019Review
- HypermorphicPlant physiology · 2019Article
- Integrated analysis of mRNA-seq and miRNA-seq in calyx abscission zone of Korla fragrant pear involved in calyx persistence.BMC plant biology · 2019Article
- Crosstalk between cytokinin and ethylene signaling pathways regulates leaf abscission in cotton in response to chemical defoliants.Journal of experimental botany · 2019Article
- Transcriptomic evidence for distinct mechanisms underlying abscission deficiency in the Arabidopsis mutants haesa/haesa-like 2 and nevershed.BMC research notes · 2018Article
- Transcriptional Analysis of serk1 and serk3 Coreceptor Mutants.Plant physiology · 2016Article
- Core Mechanisms Regulating Developmentally Timed and Environmentally Triggered Abscission.Plant physiology · 2016Article
- Serine 231 and 257 of Agamous-like 15 are phosphorylated in floral receptacles.Plant signaling & behavior · 2016Article
- Mechanistic insight into a peptide hormone signaling complex mediating floral organ abscission.eLife · 2016Article
- Ligand-Induced Receptor-like Kinase Complex Regulates Floral Organ Abscission in Arabidopsis.Cell reports · 2016Article
- Transcriptome Analysis of Soybean Leaf Abscission Identifies Transcriptional Regulators of Organ Polarity and Cell Fate.Frontiers in plant science · 2016Article
- Analysis of Phosphorylation of the Receptor-Like Protein Kinase HAESA during Arabidopsis Floral Abscission.PloS one · 2016Article
- Allele-Specific Interactions betweenFrontiers in plant science · 2016Article
- Sugarcane transcriptome analysis in response to infection caused by Acidovorax avenae subsp. avenae.PloS one · 2016Article
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Authors and funding
7 authors at 1 institution in 1 country.
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Abstract
Through a sensitized screen for novel components of pathways regulating organ separation in Arabidopsis flowers, we have found that the leucine-rich repeat receptor-like kinase SOMATIC EMBRYOGENESIS RECEPTOR-LIKE KINASE1 (SERK1) acts as a negative regulator of abscission. Mutations in SERK1 dominantly rescue abscission in flowers without functional NEVERSHED (NEV), an ADP-ribosylation factor GTPase-activating protein required for floral organ shedding. We previously reported that the organization of the Golgi apparatus and location of the trans-Golgi network (TGN) are altered in nev mutant flowers. Disruption of SERK1 restores Golgi structure and the close association of the TGN in nev flowers, suggesting that defects in these organelles may be responsible for the block in abscission. We have also found that the abscission zones of nev serk1 flowers are enlarged compared to wild-type. A similar phenotype was previously observed in plants constitutively expressing a putative ligand required for organ separation, INFLORESCENCE DEFICIENT IN ABSCISSION (IDA), suggesting that signalling through IDA and its proposed receptors, HAESA and HAESA-LIKE2, may be deregulated in nev serk1 abscission zone cells. Our studies indicate that in addition to its previously characterized roles in stamen development and brassinosteroid perception, SERK1 plays a unique role in modulating the loss of cell adhesion that occurs during organ abscission.
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