Population genetic structure of the maize weevil, Sitophilus zeamais, in southern Mexico

dc.creatorBaltzegar, J.
dc.creatorJones, M.S.
dc.creatorWillcox, M.
dc.creatorRamsey, J.M.
dc.creatorGould, F.
dc.date2023-04-28T00:05:14Z
dc.date2023-04-28T00:05:14Z
dc.date2023
dc.date.accessioned2023-07-17T20:10:32Z
dc.date.available2023-07-17T20:10:32Z
dc.identifierhttps://hdl.handle.net/10883/22579
dc.identifier10.1371/journal.pone.0264469
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7514322
dc.descriptionThe maize weevil, Sitophilus zeamais, is a ubiquitous pest of maize and other cereal crops worldwide and remains a threat to food security in subsistence communities. Few population genetic studies have been conducted on the maize weevil, but those that exist have shown that there is very little genetic differentiation between geographically dispersed populations and that it is likely the species has experienced a recent range expansion within the last few hundred years. While the previous studies found little genetic structure, they relied primarily on mitochondrial and nuclear microsatellite markers for their analyses. It is possible that more fine-scaled population genetic structure exists due to local adaptation, the biological limits of natural species dispersal, and the isolated nature of subsistence farming communities. In contrast to previous studies, here, we utilized genome-wide single nucleotide polymorphism data to evaluate the genetic population structure of the maize weevil from the southern and coastal Mexican states of Oaxaca and Chiapas. We employed strict SNP filtering to manage large next generation sequencing lane effects and this study is the first to find fine-scale genetic population structure in the maize weevil. Here, we show that although there continues to be gene flow between populations of maize weevil, that fine-scale genetic structure exists. It is possible that this structure is shaped by local adaptation of the insects, the movement and trade of maize by humans in the region, geographic barriers to gene flow, or a combination of these factors.
dc.descriptione0264469
dc.languageEnglish
dc.publisherPublic Library of Science
dc.relationhttps://doi.org/10.5061/dryad.zpc866tcr
dc.rightsCIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose
dc.rightsOpen Access
dc.source4
dc.source18
dc.source1932-6203
dc.sourcePloS one
dc.subjectAGRICULTURAL SCIENCES AND BIOTECHNOLOGY
dc.subjectMaize Weevil
dc.subjectGenetic Structure
dc.subjectAGRICULTURAL WORKERS
dc.subjectFILTRATION
dc.subjectGENE FLOW
dc.subjectMAIZE
dc.subjectSINGLE NUCLEOTIDE POLYMORPHISM
dc.subjectSITOPHILUS ZEAMAIS
dc.subjectCURCULIONIDAE
dc.subjectMaize
dc.titlePopulation genetic structure of the maize weevil, Sitophilus zeamais, in southern Mexico
dc.typeArticle
dc.typePublished Version
dc.coverageMexico
dc.coverageSan Francisco, CA (USA)


Este ítem pertenece a la siguiente institución