ArticleNature communications2023
PXL1 and SERKs act as receptor-coreceptor complexes for the CLE19 peptide to regulate pollen development.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 29 citations in OpenAlex.
- Plant Peptide Hormones: Distinctive Horizons in Plant Development and Stress Resilience.Plant, cell & environment · 2026Review
- Article
- Ecological Adaptation Mechanisms Underlying Successful Plant Reproduction.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Engineered CLE peptides promote de novo shoot regeneration in Arabidopsis.Science China. Life sciences · 2026Article
- CLE19 suppresses brassinosteroid signaling output via the BSL-BIN2 module to maintain BES1 activity and pollen exine patterning in Arabidopsis.Journal of integrative plant biology · 2025Article
- DNA TOP1α coordinates anther morphogenesis and fertility through gene regulatory networks in arabidopsis.Scientific reports · 2025Article
- RALF33-FERONIA signaling orchestrates postwounding root-tip regeneration via TPR4-ERF115 dynamics.The Plant cell · 2025Article
- lncRNA-Encoded Small Peptide Promotes Viral Infection.Molecular plant pathology · 2025Article
- Identity Transitions of Tapetum Phases: Insights into Vesicular Dynamics and in Mortem Support During Pollen Maturation.Plants (Basel, Switzerland) · 2025Review
- Peptide hormones in plants.Molecular horticulture · 2025Review
- Peptides in plant reproduction-small yet powerful.Frontiers in plant science · 2025Review
- New insights into evolution and functional diversification ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- An update on evolutionary, structural, and functional studies of receptor-like kinases in plants.Frontiers in plant science · 2024Review
Corrections and comments
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Authors and funding
11 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gametophyte development in angiosperms occurs within diploid sporophytic structures and requires coordinated development; e.g., development of the male gametophyte pollen depends on the surrounding sporophytic tissue, the tapetum. The mechanisms underlying this interaction remain poorly characterized. The peptide CLAVATA3/EMBRYO SURROUNDING REGION-RELATED 19 (CLE19) plays a "braking" role in preventing the harmful overexpression of tapetum transcriptional regulators to ensure normal pollen development in Arabidopsis. However, the CLE19 receptor is unknown. Here, we show that CLE19 interacts directly with the PXY-LIKE1 (PXL1) ectodomain and induces PXL1 phosphorylation. PXL1 is also required for the function of CLE19 in maintaining the tapetal transcriptional regulation of pollen exine genes. Additionally, CLE19 induces the interactions of PXL1 with SOMATIC EMBRYOGENESIS RECEPTOR-LIKE KINASE (SERK) coreceptors required for pollen development. We propose that PXL1 and SERKs act as receptor and coreceptor, respectively, of the extracellular CLE19 signal, thereby regulating tapetum gene expression and pollen development.
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