Genetic structure of Sesamia nonagrioides (Lefebvre) populations in the mediterranean area

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dc.contributor.authorBeroiz Remírez, Beatriz
dc.contributor.authorPoza, Marta De la
dc.contributor.authorPérez Farinós, Gema
dc.contributor.authorOrtego, Félix
dc.date.accessioned2024-03-18T15:21:33Z
dc.date.available2024-03-18T15:21:33Z
dc.date.issued2008-10-01
dc.description.abstractThe Mediterranean corn borer, Sesamia nonagrioides (Lefebvre) (Lepidoptera: Noctuidae), is a major pest of maize in the Mediterranean area. Transgenic Bt maize expressing the Cry1Ab toxin from the bacterium Bacillus thuringiensis can effectively control this pest. The characterization of S. nonagrioides population structure, at a large geographical scale, would provide some insight in decision making for resistance management. The genetic relationships among nine populations from Spain, one from France, one from Italy, three from Greece, and one from Turkey were assessed using Random Amplyfied Polymorphic DNA (RAPD) markers. Populations from France and Spain formed a cluster independent from a cluster of populations collected in Italy, Turkey, and Greece in a unweighted pair-group method with arithmetic average dendrogram constructed from Nei’s genetic distances. Average genetic differentiation among samples was significant for all geographical groupings analyzed (FST = 0.160 ± 0.014 for Spanish populations; 0.133 ± 0.022 for Spanish and French populations; and 0.095 ± 0.010 for Greek, Italian, and Turkish populations). Genetic differentiation was also significant for all paired comparisons of populations, including two Spanish populations separated by only 15 km with no apparent geographical barriers. No pattern of isolation by distance was observed among Mediterranean corn borer populations collected in Spain and France. These results suggest a limited genetic exchange between relatively distant S. nonagrioides populations in Europe, which might contribute to decreased rate of spread of resistance alleles once resistance has developed at a certain site.
dc.description.departmentDepto. de Genética, Fisiología y Microbiología
dc.description.facultyFac. de Ciencias Biológicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Medio Ambiente/Comisión Europea
dc.description.statuspub
dc.identifier.doi10.1093/ee/37.5.1354
dc.identifier.essn1938-2936
dc.identifier.issn0046-225X
dc.identifier.officialurlhttps://academic.oup.com/ee/article-abstract/37/5/1354/411418?redirectedFrom=fulltext
dc.identifier.urihttps://hdl.handle.net/20.500.14352/102303
dc.issue.number5
dc.journal.titleEnvironmental Entomology
dc.language.isoeng
dc.page.final1360
dc.page.initial1354
dc.publisherOxford University Press
dc.relation.projectID(QLRT-2001-01969)
dc.rights.accessRightsrestricted access
dc.subject.cdu595.78
dc.subject.cdu575.17
dc.subject.keywordBacillus thuringiensis
dc.subject.keywordTransgenic maize
dc.subject.keywordMediterranean corn borer
dc.subject.keywordGene flow
dc.subject.keywordRAPD
dc.subject.ucmInsectos
dc.subject.ucmGenética
dc.subject.unesco2408.03 Insectos
dc.subject.unesco2409.03 Genética de Poblaciones
dc.titleGenetic structure of Sesamia nonagrioides (Lefebvre) populations in the mediterranean area
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number37
dspace.entity.typePublication
relation.isAuthorOfPublicationd45e31c0-c2e1-4c5a-8158-07676e83831d
relation.isAuthorOfPublication.latestForDiscoveryd45e31c0-c2e1-4c5a-8158-07676e83831d
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