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GrainGenes Reference Report: NGN-44-1388

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Reference
NGN-44-1388
Title
Natural variation in a homolog of Antirrhinum CENTRORADIALIS contributed to spring growth habit and environmental adaptation in cultivated barley
Journal
Nature Genetics
Year
2012
Volume
44
Pages
1388-1392
Author
Comadran J
[ Show all 17 ]
Abstract
As early farming spread from the Fertile Crescent in the Near East around 10,000 years before the present, domesticated crops encountered considerable ecological and environmental change. Spring-sown crops that flowered without the need for an extended period of cold to promote flowering and day length-insensitive crops able to exploit the longer, cooler days of higher latitudes emerged and became established. To investigate the genetic consequences of adaptation to these new environments, we identified signatures of divergent selection in the highly differentiated modern-day spring and winter barleys. In one genetically divergent region, we identify a natural variant of the barley homolog of Antirrhinum CENTRORADIALIS (HvCEN) as a contributor to successful environmental adaptation. The distribution of HvCEN alleles in a large collection of wild and landrace accessions indicates that this involved selection and enrichment of preexisting genetic variants rather than the acquisition of mutations after domestication.
External Databases
PubMed: 23160098
Locus
POPA1_0030
[ Show all 12591 ]
Map Data
Barley, 2012 9KSNP
Probe
i_BK_01
[ Show all 7864 ]