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Linkage disequilibrium in the genome of synthetic Brassica napus populations

Show simple item record Gabur, Iulian Snowdon, Rod J. Obermeier, Christian 2021-03-23T09:18:58Z 2021-03-23T09:18:58Z 2018
dc.identifier.citation Gabur, Iulian, Rod J. Snowdon, Christian Obermeier. 2018. "Linkage disequilibrium in the genome of synthetic Brassica napus populations". Lucrări Ştiinţifice USAMV - Iaşi Seria Agronomie 61(2): 55-58.
dc.description.abstract New technologies as high-density single-nucleotide polymorphism (SNP) genotyping arrays are a powerful tool that can give valuable insight into patterns of linkage disequilibrium (LD) in the recent domesticated Brassica napus genome. This study used the Brassica 60k SNP Illumina consortium genotyping array to assess the distribution of LD and haplotype structure in a diverse panel of 200 synthetic lines of winter oilseed rape (Brassica napus). Pairwise LD analysis was conducted within the A- and C-subgenomes of oilseed rape. Results revealed that LD decayed, on average, more rapidly in the A-subgenome (0.15 Mb) than in the C-subgenome (2.00 Mb). Our findings suggest the presence of a strong selection of large genomic regions associated with important agronomical traits, especially on the Csubgenome. These results imply that during oilseed rape artificial and natural selection, the C-subgenome was of particular interest for breeders. Increasing the genetic diversity and recombination rate on the whole genome level is of crucial importance for future breeding efforts. en_US
dc.language.iso en en_US
dc.publisher “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi en_US
dc.subject oilseed rape en_US
dc.subject SNP en_US
dc.subject linkage disequilibrium analysis en_US
dc.subject LD en_US
dc.title Linkage disequilibrium in the genome of synthetic Brassica napus populations en_US
dc.type Article en_US Iulian Gabur, Rod J. Snowdon, Christian Obermeier, Department of Plant Breeding, IFZ Research Centre for Biosystems, Land Use and Nutrition, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
dc.publicationName Lucrări Ştiinţifice USAMV - Iaşi Seria Agronomie
dc.volume 61
dc.issue 2
dc.publicationDate 2018
dc.startingPage 55
dc.endingPage 58
dc.identifier.eissn 2069-6727

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