{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13"],"submitter":["Herridge R"],"pubmed_abstract":["Self-incompatibility (SI) is a feature of many flowering plants, whereby self-pollen is recognized and rejected by the stigma. In grasses (Poaceae), the genes controlling this phenomenon have not been fully elucidated. Grasses have a unique two-locus system, in which two independent genetic loci (S and Z) control self-recognition. S and Z are thought to have arisen from an ancient duplication, common to all grasses. With new chromosome-scale genome data, we examined the genes present at S- and Z-loci, firstly in ryegrass (<i>Lolium perenne</i>), and subsequently in ~20 other grass species. We found that two DUF247 genes and a short unstructured protein (SP/ZP) were present at both S- and Z- in all SI species, while in self-compatible species these genes were often lost or mutated. Expressi"],"journal":["Frontiers in plant science"],"pagination":["1011299"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9623065"],"repository":["biostudies-literature"],"pubmed_title":["Identification of the genes at <i>S</i> and <i>Z</i> reveals the molecular basis and evolution of grass self-incompatibility."],"pmcid":["PMC9623065"],"pubmed_authors":["McCourt T","Brownfield L","Macknight R","Jacobs JME","Herridge R","Mace P"],"additional_accession":[]},"is_claimable":false,"name":"Identification of the genes at <i>S</i> and <i>Z</i> reveals the molecular basis and evolution of grass self-incompatibility.","description":"Self-incompatibility (SI) is a feature of many flowering plants, whereby self-pollen is recognized and rejected by the stigma. In grasses (Poaceae), the genes controlling this phenomenon have not been fully elucidated. Grasses have a unique two-locus system, in which two independent genetic loci (S and Z) control self-recognition. S and Z are thought to have arisen from an ancient duplication, common to all grasses. With new chromosome-scale genome data, we examined the genes present at S- and Z-loci, firstly in ryegrass (<i>Lolium perenne</i>), and subsequently in ~20 other grass species. We found that two DUF247 genes and a short unstructured protein (SP/ZP) were present at both S- and Z- in all SI species, while in self-compatible species these genes were often lost or mutated. Expressi","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2026-05-27T20:39:42.095Z","creation":"2025-04-21T14:11:55.619Z"},"accession":"S-EPMC9623065","cross_references":{"pubmed":["36330270"],"doi":["10.3389/fpls.2022.1011299"]}}