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dc.contributor.author
Olmos, Sofia Eugenia
dc.contributor.author
Lia, Verónica Viviana
dc.contributor.author
Eyherabide, Guillermo Hugo
dc.date.available
2018-04-04T14:37:47Z
dc.date.issued
2016-06
dc.identifier.citation
Olmos, Sofia Eugenia; Lia, Verónica Viviana; Eyherabide, Guillermo Hugo; Genetic diversity and linkage disequilibrium in the Argentine public maize inbred line collection; Cambridge University Press; Plant Genetic Resources; 15; 06; 6-2016; 515-526
dc.identifier.issn
1479-263X
dc.identifier.uri
http://hdl.handle.net/11336/40662
dc.description.abstract
Knowledge of linkage disequilibrium (LD) patterns is considered a prerequisite for effective association mapping studies. However, no LD analysis in the Argentine public temperate maize collection has been reported to date. In this study, a panel of 111 temperate maize inbreds genotyped at 74 single sequence repeats (SSRs) loci was used to assess LD, genetic diversity and population structure to evaluate the suitability of the panel for association mapping. Mini-core sets were also designed for in-depth phenotyping and allele mining purposes. The panel consisted of: (1) locally developed orange flint germplasm; (2) temperate inbred lines with Iowa Stiff Stalk Synthetic background; and (3) eight historic flint lines, some of them from the Cuarentín race. As a result, four subpopulations were defined. Joint analysis of population structure and combining ability allowed identifying two main heterotic patterns. High molecular diversity, a low extent of LD and a high ratio of linked to unlinked SSR loci pairs in significant LD were detected indicating the suitability of the entire collection for association mapping. The fact that the LD extent in the mini-core sets was similar to that observed in the entire collection and that only a small percentage of allelic richness was reduced suggests that these mini-core sets are suitable to capture diversity, exploit phenotypic variance and discover useful variants representative of the entire collection.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Cambridge University Press
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Allelic Richness
dc.subject
Genetic Structure
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Hardy–Weinberg Disequilibrium
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Heterotic Patterns
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Microsatellites
dc.subject.classification
Otras Ciencias Biológicas
dc.subject.classification
Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Genetic diversity and linkage disequilibrium in the Argentine public maize inbred line collection
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-03T18:42:28Z
dc.journal.volume
15
dc.journal.number
06
dc.journal.pagination
515-526
dc.journal.pais
Reino Unido
dc.description.fil
Fil: Olmos, Sofia Eugenia. Instituto Nacional de Tecnología Agropecuaria; Argentina
dc.description.fil
Fil: Lia, Verónica Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina
dc.description.fil
Fil: Eyherabide, Guillermo Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina
dc.journal.title
Plant Genetic Resources
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1017/S1479262116000228
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/journals/plant-genetic-resources/article/genetic-diversity-and-linkage-disequilibrium-in-the-argentine-public-maize-inbred-line-collection/A2B509D9C6A37824E41B40F6D92805D8


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