Two genomic regions contribute disproportionately to geographic differentiation in wild barley
2014-07
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Two genomic regions contribute disproportionately to geographic differentiation in wild barley
Published Date
2014-07
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Genes, Genomes, Genetics
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Article
Abstract
Genetic differentiation in natural populations is driven by geographic distance and by
ecological or physical features within and between natural habitats that reduce migration. The primary
population structure in wild barley differentiates populations east and west of the Zagros Mountains.
Genetic differentiation between eastern and western populations is uneven across the genome and is
greatest on linkage groups 2H and 5H. Genetic markers in these two regions demonstrate the largest
difference in frequency between the primary populations and have the highest informativeness for
assignment to each population. Previous cytological and genetic studies suggest there are chromosomal
structural rearrangements (inversions or translocations) in these genomic regions. Environmental association
analyses identified an association with both temperature and precipitation variables on 2H and with
precipitation variables on 5H.
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https://doi.org/10.1534/g3.114.010561
Previously Published Citation
Fang, Z. M., Gonzales, A. T., Clegg, M. P., Smith, K. J., Muehlbauer, G. L., Steffenson, B., & Morrell, P. (2014). Two genomic regions contribute disproportionately to geographic differentiation in wild barley. G3 (Bethesda, Md.), 4(7), 1193-1203.
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Fang, Zhou; Gonzales, Ana M; Clegg, Michael T; Smith, Keven P; Muehlbauer, Gary J; Steffenson, Brian; Morrell, Peter L. (2014). Two genomic regions contribute disproportionately to geographic differentiation in wild barley. Retrieved from the University Digital Conservancy, https://doi.org/10.1534/g3.114.010561.
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