Abstract

PEREZ-CASTANEDA, Laura Maryela; CASTANON-NAJERA, Guillermo; RAMIREZ-MERAZ, Moisés  and  MAYEK-PEREZ, Netzahualcóyotl. Advances and perspectives about the study of the origin and genetic diversity of Capsicum spp.. Ecosistemas y recur. agropecuarios [online]. 2015, vol.2, n.4, pp.117-128. ISSN 2007-901X.

In this work we analyzed the research about phylogey and genetic diversity in Capsicum genus mainly those with a molecular emphasis. In addition, we analyze perspectives of these reviewed advances based on the knowledge about phylogeny, genetic diversity and genetic relationships with the emphasis on Capsicum genetic re-sources from México. Works conducted in Capsicum emphasize the analysis of evolution and phylogeny into the genus as well as the analysis of genetic relationships and the levels of genetic variability and Ínter and intra-specific diversity using germplasm from some regions, species or genetic status (species, sub-species, cultivars, landraces, wild germplasm). These studies have identified the origin and diversity centers of Capsicum, the common ancestors of some cultivated species, the most probable dispersión and diversification patterns and the genetic relations, genetic structure and diversity patterns of wild, landrace and breed pepper germplasm with varied origins. Despite advances, it is evident that efforts have been focused or restricted by germplasm origins in each work, so that is frequent the bias or the partial overview of analyzed context. Our analysis let conclude that further works about Capsicum origin, evolution and diversity must emphasizes the study to the most complex levels including representative populations of the genus/species to be studied in order to avoid contradictions and then can obtain more precise and robust phylogenetic re-constructions, genetic structure of populations and/or calculations of Ínter and/or intra-species genetic diversity levels data.

Keywords : Phylogenetic analysis; chili-pepper; genetic diversity; México; origin and domestication.

        · abstract in Spanish     · text in Spanish     · Spanish ( pdf )