Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 449636
Title Genetic diversity and linkage disequilibrium analysis in elite sugar beet breeding lines and wild beet accessions
Author(s) Adetunji, I.; Willems, G.; Tschoep, H.; Bürkholz, A.; Barnes, S.; Boer, M.P.; Malosetti, M.; Horemans, S.; Eeuwijk, F. van
Source Theoretical and Applied Genetics 127 (2014)3. - ISSN 0040-5752 - p. 559 - 571.
DOI https://doi.org/10.1007/s00122-013-2239-x
Department(s) Biometris
Mathematical and Statistical Methods - Biometris
PE&RC
Publication type Refereed Article in a scientific journal
Publication year 2014
Keyword(s) beta-vulgaris l. - genome-wide association - yellow-vein-virus - population-structure - ssp maritima - rhizomania resistance - restorer gene - markers - map - dna
Abstract Linkage disequilibrium decay in sugar beet is strongly affected by the breeding history, and varies extensively between and along chromosomes, allowing identification of known and unknown signatures of selection. Genetic diversity and linkage disequilibrium (LD) patterns were investigated in 233 elite sugar beet breeding lines and 91 wild beet accessions, using 454 single nucleotide polymorphisms (SNPs) and 418 SNPs, respectively. Principal coordinate analysis suggested the existence of three groups of germplasm, corresponding to the wild beets, the seed parent and the pollen parent breeding pool. LD was investigated in each of these groups, with and without correction for genetic relatedness. Without correction for genetic relatedness, in the pollen as well as the seed parent pool, LD persisted beyond 50 centiMorgan (cM) on four (2, 3, 4 and 5) and three chromosomes (2, 4 and 6), respectively; after correction for genetic relatedness, LD decayed after
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