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PMID: 23160098 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Natural variation in a homolog of Antirrhinum CENTRORADIALIS contributed to spring growth habit and environmental adaptation in cultivated barley.

Nature genetics ·Vol. 44 ·No. 12 ·2012-12-00 ·Pages 1388-92

Comadran J, Kilian B, Russell J, Ramsay L, Stein N, Ganal M, Shaw P, Bayer M, Thomas W, Marshall D, Hedley P, Tondelli A, Pecchioni N, Francia E, Korzun V, Walther A, Waugh R

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.

MeSH Terms
Adaptation, Physiological/genetics Antirrhinum/genetics Flowers/genetics Genetic Variation Haplotypes Hordeum/genetics,physiology Molecular Sequence Data Mutation Plant Proteins/genetics Seasons Sequence Homology, Nucleic Acid
Chemicals
Plant Proteins
Authors & Affiliations
17 authors, click to expand affiliations / ORCID
Comadran Jordi
Cell and Molecular Sciences Group, The James Hutton Institute, Invergowrie, Dundee, UK.
Kilian Benjamin
Russell Joanne
Ramsay Luke
Stein Nils
Ganal Martin
Shaw Paul
Bayer Micha
Thomas William
Marshall David
Hedley Pete
Tondelli Alessandro
Pecchioni Nicola
Francia Enrico
Korzun Viktor
Walther Alexander
Waugh Robbie
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Article Info
Journal
Nature genetics
Abbr.
Nat Genet
ISSN
1546-1718
DOI
10.1038/ng.2447
Published
2012-12-00
Epub
2012-00-18
Pages
1388-92
Language
English
Region
United States
NLM ID
9216904
Subset
IM
Grants
Biotechnology and Biological Sciences Research Council · BB/D522003/1 · United Kingdom
Databases
GENBANK
JX648176, JX648177, JX648178, JX648179, JX648180, JX648181, JX648182, JX648183, JX648184, JX648185, JX648186, JX648187, JX648188, JX648189, JX648190, JX648191, JX648192, JX648193, JX648194, JX648195, JX844786, JX844787, JX844788, JX844789, JX844790, JX844791, JX844792, JX844793, JX844794, JX844795, JX844796, JX844797, JX844798
External Links
PubMed source DOI: 10.1038/ng.2447 View journal details
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