ArticleProceedings of the National Academy of Sciences of the United States of America2011
Functional test of Brassica self-incompatibility modifiers in Arabidopsis thaliana.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2011. 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, 67 citations in OpenAlex.
- Plant cell surface receptors.The Plant journal : for cell and molecular biology · 2026Review
- Characterization of self-incompatibility genes inFrontiers in plant science · 2026Article
- Molecular mechanisms and genetic regulation of self-incompatibility in flowering plants: implications for crop improvement and evolutionary biology.Plant molecular biology · 2025Review
- Cip1, a CDK regulator, determines heterothallic mating or homothallic selfing in a protist.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Molecular insights into self-incompatibility systems: From evolution to breeding.Plant communications · 2024Review
- Stop and go signals at the stigma-pollen interface of the Brassicaceae.Plant physiology · 2023Article
- MLPK function is not required for self-incompatibility in the SPlant reproduction · 2023Article
- Disabling of ARC1 through CRISPR-Cas9 leads to a complete breakdown of self-incompatibility responses in Brassica napus.Plant communications · 2023Article
- Article
- Peptides/receptors signaling during plant fertilization.Frontiers in plant science · 2022Review
- Genetic and Molecular Characterization of a Self-CompatiblePlants (Basel, Switzerland) · 2021Article
- Evolution of self-incompatibility in the Brassicaceae: Lessons from a textbook example of natural selection.Evolutionary applications · 2020Article
- Live-cell imaging of early events following pollen perception in self-incompatible Arabidopsis thaliana.Journal of experimental botany · 2020Article
- Impact of whole genome triplication on the evolutionary history and the functional dynamics of regulatory genes involved in Brassica self-incompatibility signalling pathway.Plant reproduction · 2020Article
- Generation of Transgenic Self-IncompatiblePlants (Basel, Switzerland) · 2019Article
- High temperature causes breakdown of S haplotype-dependent stigmatic self-incompatibility in self-incompatible Arabidopsis thaliana.Journal of experimental botany · 2019Article
- Functional Analysis of M-Locus Protein Kinase Revealed a Novel Regulatory Mechanism of Self-Incompatibility inInternational journal of molecular sciences · 2019Article
- Patterns of Polymorphism at the Self-Incompatibility Locus in 1,083 Arabidopsis thaliana Genomes.Molecular biology and evolution · 2017Article
- EXO70C2 Is a Key Regulatory Factor for Optimal Tip Growth of Pollen.Plant physiology · 2017Article
- Identification of a novel MLPK homologous gene MLPKn1 and its expression analysis in Brassica oleracea.Plant reproduction · 2016Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The self-incompatibility (SI) system of the Brassicaceae is based on allele-specific interactions among haplotypes of the S locus. In all tested self-incompatible Brassicaceae, the S haplotype encompasses two linked genes, one encoding the S-locus receptor kinase (SRK), a transmembrane kinase displayed at the surface of stigma epidermal cells, and the other encoding its ligand, the S-locus cysteine-rich (SCR) protein, which is localized in the pollen coat. Transfer of the two genes to self-fertile Arabidopsis thaliana allowed the establishment of robust SI in several accessions, indicating that the signaling cascade triggered by this receptor-ligand interaction and the resulting inhibition of "self" pollen by the stigma have been maintained in extant A. thaliana. Based on studies in Brassica species, the membrane-tethered kinase MLPK, the ARM repeat-containing U-box protein ARC1, and the exocyst subunit Exo70A1 have been proposed to function as components of an SI signaling cascade. Here we tested the role of these molecules in the SI response of A. thaliana SRK-SCR plants. We show that the A. thaliana ARC1 ortholog is a highly decayed pseudogene. We also show that, unlike reports in Brassica, inactivation of the MLPK ortholog AtAPK1b and overexpression of Exo70A1 neither abolish nor weaken SI in A. thaliana SRK-SCR plants. These results do not support a role for these molecules in the SI response of A. thaliana.
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