Socias i Company, RafelFernández i Martí, Angel V.Kodad, OssamaAlonso Segura, José Manuel2012-06-152012-06-152012Rafel Socias i Company, Angel Fernández i Martí, Ossama Kodad, José M. Alonso. “Self-compatibility in Prunus species. Diversity of mutations”. Eucarpia 19th General Congress: Plant Breeding for Future Generations, Budapest, 21-24 mayo 2012, p. 196-199http://hdl.handle.net/10532/1906Self-compatibility (SC) is an interesting horticultural trait. Molecular approaches have been recently applied to the elucidation of the interacting pollen-pistil mechanism and to the identification of the genes involved in pistil-pollen recognition. Both mutations of the pistil S-RNases and the pollen SFBs have been reported to explain the changes in the S allele expression. Stylar-part mutations have revealed that ribonuclease activity of the S-RNases is required to inhibit pollen growth. A defective function of the pollen may also give rise to SC. Breakdown of SI has also been associated with mutations affecting modifier loci unlinked to the S-locus. Additionally, a double phenotypic expression of the same genotype has been observed. The nature of these different mutations has only been identified in a few cases, including deletions, insertions, shift mutations and, more recently, epigenetic changes.enPrunusAutocompatibilidadFitomejoramientoFruticulturaconferenceObject