Farmers without borders-genetic structuring in century old barley (Hordeum vulgare)
The geographic distribution of genetic diversity can reveal the evolutionary history of a species. For crop plants, phylogeographic patterns also indicate how seed has been exchanged and spread in agrarian communities. Such patterns are, however, easily blurred by the intense seed trade, plant impro...
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Linköpings universitet, Biologi
2015
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ftlinkoepinguniv:oai:DiVA.org:liu-110675 2023-12-03T10:22:31+01:00 Farmers without borders-genetic structuring in century old barley (Hordeum vulgare) Forsberg, Nils Russell, J. Macaulay, M. Leino, Matti Hagenblad, Jenny 2015 application/pdf http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-110675 https://doi.org/10.1038/hdy.2014.83 eng eng Linköpings universitet, Biologi Linköpings universitet, Tekniska högskolan Norwegian University of Science and Technology, Trondheim, Norway The James Hutton Institute, Invergowire, Dundee, Scotland, UK. Swedish Museum of Cultural History, Julita, Sweden Heredity, 0018-067X, 2015, 114:2, s. 195-206 http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-110675 doi:10.1038/hdy.2014.83 PMID 25227257 ISI:000348071600008 info:eu-repo/semantics/openAccess Biological Sciences Biologiska vetenskaper Article in journal info:eu-repo/semantics/article text 2015 ftlinkoepinguniv https://doi.org/10.1038/hdy.2014.83 2023-11-08T23:32:22Z The geographic distribution of genetic diversity can reveal the evolutionary history of a species. For crop plants, phylogeographic patterns also indicate how seed has been exchanged and spread in agrarian communities. Such patterns are, however, easily blurred by the intense seed trade, plant improvement and even genebank conservation during the twentieth century, and discerning fine-scale phylogeographic patterns is thus particularly challenging. Using historical crop specimens, these problems are circumvented and we show here how high-throughput genotyping of historical nineteenth century crop specimens can reveal detailed geographic population structure. Thirty-one historical and nine extant accessions of North European landrace barley (Hordeum vulgare L.), in total 231 individuals, were genotyped on a 384 single nucleotide polymorphism assay. The historical material shows constant high levels of within-accession diversity, whereas the extant accessions show more varying levels of diversity and a higher degree of total genotype sharing. Structure, discriminant analysis of principal components and principal component analysis cluster the accessions in latitudinal groups across country borders in Finland, Norway and Sweden. FST statistics indicate strong differentiation between accessions from southern Fennoscandia and accessions from central or northern Fennoscandia, and less differentiation between central and northern accessions. These findings are discussed in the context of contrasting historical records on intense within-country south to north seed movement. Our results suggest that although seeds were traded long distances, long-term cultivation has instead been of locally available, possibly better adapted, genotypes. Article in Journal/Newspaper Fennoscandia LIU - Linköping University: Publications (DiVA) Norway Heredity 114 2 195 206 |
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Open Polar |
collection |
LIU - Linköping University: Publications (DiVA) |
op_collection_id |
ftlinkoepinguniv |
language |
English |
topic |
Biological Sciences Biologiska vetenskaper |
spellingShingle |
Biological Sciences Biologiska vetenskaper Forsberg, Nils Russell, J. Macaulay, M. Leino, Matti Hagenblad, Jenny Farmers without borders-genetic structuring in century old barley (Hordeum vulgare) |
topic_facet |
Biological Sciences Biologiska vetenskaper |
description |
The geographic distribution of genetic diversity can reveal the evolutionary history of a species. For crop plants, phylogeographic patterns also indicate how seed has been exchanged and spread in agrarian communities. Such patterns are, however, easily blurred by the intense seed trade, plant improvement and even genebank conservation during the twentieth century, and discerning fine-scale phylogeographic patterns is thus particularly challenging. Using historical crop specimens, these problems are circumvented and we show here how high-throughput genotyping of historical nineteenth century crop specimens can reveal detailed geographic population structure. Thirty-one historical and nine extant accessions of North European landrace barley (Hordeum vulgare L.), in total 231 individuals, were genotyped on a 384 single nucleotide polymorphism assay. The historical material shows constant high levels of within-accession diversity, whereas the extant accessions show more varying levels of diversity and a higher degree of total genotype sharing. Structure, discriminant analysis of principal components and principal component analysis cluster the accessions in latitudinal groups across country borders in Finland, Norway and Sweden. FST statistics indicate strong differentiation between accessions from southern Fennoscandia and accessions from central or northern Fennoscandia, and less differentiation between central and northern accessions. These findings are discussed in the context of contrasting historical records on intense within-country south to north seed movement. Our results suggest that although seeds were traded long distances, long-term cultivation has instead been of locally available, possibly better adapted, genotypes. |
format |
Article in Journal/Newspaper |
author |
Forsberg, Nils Russell, J. Macaulay, M. Leino, Matti Hagenblad, Jenny |
author_facet |
Forsberg, Nils Russell, J. Macaulay, M. Leino, Matti Hagenblad, Jenny |
author_sort |
Forsberg, Nils |
title |
Farmers without borders-genetic structuring in century old barley (Hordeum vulgare) |
title_short |
Farmers without borders-genetic structuring in century old barley (Hordeum vulgare) |
title_full |
Farmers without borders-genetic structuring in century old barley (Hordeum vulgare) |
title_fullStr |
Farmers without borders-genetic structuring in century old barley (Hordeum vulgare) |
title_full_unstemmed |
Farmers without borders-genetic structuring in century old barley (Hordeum vulgare) |
title_sort |
farmers without borders-genetic structuring in century old barley (hordeum vulgare) |
publisher |
Linköpings universitet, Biologi |
publishDate |
2015 |
url |
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-110675 https://doi.org/10.1038/hdy.2014.83 |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Fennoscandia |
genre_facet |
Fennoscandia |
op_relation |
Heredity, 0018-067X, 2015, 114:2, s. 195-206 http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-110675 doi:10.1038/hdy.2014.83 PMID 25227257 ISI:000348071600008 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1038/hdy.2014.83 |
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Heredity |
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114 |
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2 |
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195 |
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206 |
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