Domestication of small-seeded lima bean (Phaseolus lunatus L.) landraces in Mesoamerica: evidence from microsatellite markers

dc.creatorRUBEN HUMBERTO ANDUEZA NOH
dc.creatorJAIME MARTINEZ CASTILLO
dc.creatorMARÍA ISABEL CHACÓN SÁNCHEZ
dc.date2015
dc.date.accessioned2023-07-21T19:17:46Z
dc.date.available2023-07-21T19:17:46Z
dc.identifierhttp://cicy.repositorioinstitucional.mx/jspui/handle/1003/1085
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7736655
dc.descriptionPrevious studies have suggested that the Mesoamerican small-seeded landraces of Lima bean may have been domesticated more than once in Mesoamerica, once in central-western Mexico and another one in an area between Guatemala and Costa Rica. However, these findings were based on sequencing of only one locus from nuclear DNA, and additional confirmation was needed. Here we contribute with additional data on the origin of the Mesoamerican landraces and document the founder effect due to domestication. We characterized 62 domesticated, 87 wild and six weedy Lima bean accessions with ten microsatellite loci. Genetic relationships were analyzed using genetic distances and Bayesian clustering approaches. Domestication bottlenecks were documented using inter-population comparisons and M ratios. The results support at least one domestication event in the area of distribution of gene pool MI in central-western Mexico and also show that some landraces are genetically related to wild accessions of gene pool MII. Also, our data support founder effects due to domestication in Mesoamerican Lima bean landraces. Although we could not establish more specifically the place of origin of the Mesoamerican Lima bean landraces, our results show that these are not a genetically homogeneous group, a finding that may be compatible with a scenario of more than one domestication event accompanied by gene flow. The complex genetic makeup of landraces that we found indicates that a more comprehensive geographic and genomic sampling is needed in order to establish how domestication processes and gene flow have shaped the current genetic structure of landraces.
dc.formatapplication/pdf
dc.languageeng
dc.relationinfo:eu-repo/semantics/datasetDOI/DOI: 10.1007/s10709-015-9863-0
dc.relationcitation:Andueza-Noh, R. H., Martínez-Castillo, J., & Chacón-Sánchez, M. I. (2015). Domestication of small-seeded lima bean (Phaseolus lunatus L.) landraces in Mesoamerica: evidence from microsatellite markers. Genetica, 143(6), 657-669.
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.source Genetica, 143(6), 657-669, 2015
dc.subjectinfo:eu-repo/classification/Autores/BAYESIAN CLUSTERING
dc.subjectinfo:eu-repo/classification/Autores/CROP DOMESTICATION
dc.subjectinfo:eu-repo/classification/Autores/FOUNDER EFFECT
dc.subjectinfo:eu-repo/classification/Autores/GENETIC DISTANCE
dc.subjectinfo:eu-repo/classification/Autores/SSR MARKERS
dc.subjectinfo:eu-repo/classification/Autores/WILD ANCESTORS
dc.subjectinfo:eu-repo/classification/cti/2
dc.subjectinfo:eu-repo/classification/cti/2
dc.titleDomestication of small-seeded lima bean (Phaseolus lunatus L.) landraces in Mesoamerica: evidence from microsatellite markers
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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