Using molecular marker order to compare genetic structure in plant populations undergoing selection

Arief, Vivi N., DeLacy, Ian H., Wenzl, Peter, Dreisigacker, Susanne, Crossa, Jose, Dieters, Mark J. and Basford, Kaye E. (2013) Using molecular marker order to compare genetic structure in plant populations undergoing selection. Journal of Environmental Statistics, 4 4: .

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Author Arief, Vivi N.
DeLacy, Ian H.
Wenzl, Peter
Dreisigacker, Susanne
Crossa, Jose
Dieters, Mark J.
Basford, Kaye E.
Title Using molecular marker order to compare genetic structure in plant populations undergoing selection
Journal name Journal of Environmental Statistics   Check publisher's open access policy
ISSN 1945-1296
Publication date 2013
Year available 2013
Sub-type Article (original research)
Open Access Status File (Author Post-print)
Volume 4
Issue 4
Total pages 16
Place of publication Los Angeles, United States
Publisher University of California, Los Angeles, Department of Statistics
Collection year 2014
Language eng
Formatted abstract
Many ecological studies compare the genetic structure of populations undergoing natural or articial selection across dierent environments. High-throughput molecular markers are now commonly used for these comparisons and provide information on the adaptation of the populations to their environments. The genetic structure reflects the history of selection, mutation, migration, and the reproductive breeding system of the populations in their environments. This can be investigated by comparing the ordering of markers obtained from the population with that provided by a recombination or physical map. In
populations undergoing selection many genes (markers) have low or zero frequency and commonly used disequilibrium coecients become unstable under these conditions. A method is presented for ordering bi-allelic markers for populations of self-fertilizing plant species which consist of mixtures of related homozygous genotypes. This provides stable
pair-wise marker similarity measures even when marker frequencies are low, identication of marker combinations that re
ect phenomena that cause dierentiation (such as selection and migration), and genetic information on the adaptation of the populations to the environments. The method is illustrated using data from a plant breeding program and inferences are made about accumulation of desirable genes (such as for disease resistance).
Keyword Plant Breeding
Haplotype disequilibrium
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Agriculture and Food Sciences
Queensland Alliance for Agriculture and Food Innovation
Official 2014 Collection
 
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Created: Wed, 10 Apr 2013, 11:03:44 EST by Ms Vivi Arief on behalf of School of Agriculture and Food Sciences