Cited by 1,450Wheat and Barley Genetics and PathologyChromosomal and Genetic VariationsGenomics and Phylogenetic Studies

A chromosome conformation capture ordered sequence of the barley genome

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Mascher, Martin, Gundlach, Heidrun, Himmelbach, Axel, Beier, Sebastian, Twardziok, Sven O., Wicker, Thomas, Radchuk, Volodymyr, Dockter, Christoph +68 more·2017·Nature

Abstract

Cereal grasses of the Triticeae tribe have been the major food source in temperate regions since the dawn of agriculture. Their large genomes are characterized by a high content of repetitive elements and large pericentromeric regions that are virtually devoid of meiotic recombination. Here we present a high-quality reference genome assembly for barley (Hordeum vulgare L.). We use chromosome conformation capture mapping to derive the linear order of sequences across the pericentromeric space and to investigate the spatial organization of chromatin in the nucleus at megabase resolution. The composition of genes and repetitive elements differs between distal and proximal regions. Gene family analyses reveal lineage-specific duplications of genes involved in the transport of nutrients to developing seeds and the mobilization of carbohydrates in grains. We demonstrate the importance of the barley reference sequence for breeding by inspecting the genomic partitioning of sequence variation in modern elite germplasm, highlighting regions vulnerable to genetic erosion. The International Barley Genome Sequencing Consortium reports sequencing and assembly of a reference genome for barley, Hordeum vulgare. Triticeae grasses, which include barley, wheat and rye, are widely cultivated plants with particularly complex genomes and evolutionary histories. Sequencing of the barley genome has been particularly challenging owing to its large size and particular genomic features, such as an abundance of repetitive elements. Nils Stein and colleagues of the International Barley Genome Sequencing Consortium report sequencing and assembly of a reference genome for barley (Hordeumvulgare L). They use a combined approach of hierarchical shotgun sequencing of bacterial artificial chromosomes, genome mapping on nanochannel arrays and chromosome-scale scaffolding with Hi-C sequencing. This brings the first comprehensive, completely ordered assembly of the pericentromeric regions of a Triticeae genome. The authors also sequenced and examined genetic diversity in the exomes of 96 European elite barley lines with a spring or winter growth habit, and highlight the utility of this resource for cereal genomics and breeding programs.

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Authors
Mascher, M., Gundlach, H., Himmelbach, A., Beier, S., Twardziok, S. O., Wicker, T., Radchuk, V., Dockter, C., Hedley, P. E., Russell, J., Bayer, M., Ramsay, L., Liu, H., Haberer, G., Zhang, X.-Q., Zhang, Q., Barrero, R. A., Li, L., Taudien, S., Groth, M., Felder, M., Hastie, A., Šimková, H., Staňková, H., Vrána, J., Chan, S., Muñoz-Amatriaín, M., Ounit, R., Wanamaker, S., Bolser, D., Colmsee, C., Schmutzer, T., Aliyeva-Schnorr, L., Grasso, S., Tanskanen, J., Chailyan, A., Sampath, D., Heavens, D., Clissold, L., Cao, S., Chapman, B., Dai, F., Han, Y., Li, H., Li, X., Lin, C., McCooke, J. K., Tan, C., Wang, P., Wang, S., Yin, S., Zhou, G., Poland, J. A., Bellgard, M. I., Borisjuk, L., Houben, A., Doležel, J., Ayling, S., Lonardi, S., Kersey, P., Langridge, P., Muehlbauer, G. J., Clark, M. D., Caccamo, M., Schulman, A. H., Mayer, K. F. X., Platzer, M., Close, T. J., Scholz, U., Hansson, M., Zhang, G., Braumann, I., Spannagl, M., Li, C., Waugh, R., & Stein, N.
Affiliations
  • German Centre for Integrative Biodiversity Research (DE)
  • Helmholtz Munich (DE)
  • Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK) (DE)
  • University of Zurich (CH)
  • Carlsberg Laboratory (DK)
  • James Hutton Institute (GB)
  • Murdoch University (AU)
  • Australian Export Grains Innovation Centre (AU)
  • Leibniz Institute on Aging - Fritz Lipmann Institute (FLI) (DE)
  • BioNano Genomics (United States) (US)
  • Centre of the Region Haná for Biotechnical and Agricultural Research (CZ)
  • University of California, Riverside (US)
  • University of Udine (IT)
  • University of Helsinki (FI)
  • Earlham Institute (GB)
  • BGI Group (China) (CN)
  • Zhejiang University (CN)
  • Kansas State University (US)
  • European Bioinformatics Institute (GB)
  • The University of Adelaide (AU)
  • University of Minnesota (US)
  • University of East Anglia (GB)
  • Lund University (SE)
  • The University of Western Australia (AU)
Corresponding author
  • Zhang, Guoping
  • Braumann, Ilka
  • Spannagl, Manuel
  • Li, Chengdao
  • Waugh, Robbie
  • Stein, Nils
Venue
Nature
Published
2017-04
Volume
544
Issue
7651
Pages
427-433
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2610080502
Cited by
1,450
References
103
Citations by year
2026: 81 · 2025: 92 · 2024: 105 · 2023: 119 · 2022: 174 · 2021: 231 · 2020: 217 · 2019: 202 · 2018: 169 · 2017: 53 · 2016: 2
FWCI
173.74
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Discovery Research Portal (University of Dundee) (publishedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, other-oa)
  • QUT ePrints (Queensland University of Technology) (submittedVersion, cc-by)
  • UWA Profiles and Research Repository (UWA) (submittedVersion, other-oa)
  • Murdoch University Research Portal (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • ASEP (submittedVersion, public-domain)
  • Buleria (Universidad de León) (submittedVersion, cc-by)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion, cc-by)
  • eScholarship (California Digital Library) (submittedVersion)
  • Informationszentrum Lebenswissenschaften (ZB MED) (submittedVersion, cc-by)
  • Jukuri (Natural Resources Institute Finland (Luke)) (submittedVersion, cc-by)
  • Lund University Publications (Lund University) (submittedVersion)
  • Site cant be reached (submittedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, other-oa)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
  • National Science Foundation (0315954, 1062301, 0321756)
  • U.S. Department of Agriculture (2011‐68002‐30029)
  • Grains Research and Development Corporation (DAW00233)
  • National Natural Science Foundation of China (31330055, 31129005)
  • Government of Western Australia
  • Directorate for Biological Sciences
  • National Institute of Food and Agriculture (2011–68002–30029)
  • Cooperative State Research, Education, and Extension Service
  • Biotechnology and Biological Sciences Research Council (BB/I00663X/1, BB/I008357/1, BB/I008071/1, BB/J004669/1, BBS/E/T/000PR5885, BB/J010375/1, BBS/E/T/000PR6193, BB/H531519/1, BB/L026317/1)
  • Leibniz-Gemeinschaft
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Wheat and Barley Genetics and Pathology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
barley, reference genome, chromosome conformation capture, pericentromeric regions, chromatin spatial organization, repetitive elements, genetic diversity, genetic erosion, Triticeae, cereal genomics, breeding
MeSH terms
Hordeum, Cell Nucleus, Centromere, Chromatin, Chromosome Mapping, Haplotypes, Meiosis, Repetitive Sequences, Nucleic Acid, Seeds, Genetic Variation, Genome, Plant, Chromosomes, Artificial, Bacterial, Genomics, Chromosomes, Plant

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