Chromosome-scale genome assembly provides insights into rye biology, evolution and agronomic potential.

Adaptation, Physiological / genetics Chromosome Mapping / methods Crops, Agricultural / genetics Gene Expression Regulation, Plant Genetic Introgression Genome, Plant Karyotype Plant Breeding / methods Plant Immunity / genetics Plant Proteins / genetics Secale / genetics Stress, Physiological Triticum / genetics

Journal

Nature genetics

ISSN: 1546-1718

Titre abrégé: Nat Genet

Pays: United States

ID NLM: 9216904

Informations de publication

Date de publication:
04 2021

Historique:

received: 06 12 2019

accepted: 29 01 2021

pubmed: 20 3 2021

medline: 21 4 2021

entrez: 19 3 2021

Statut: ppublish

Résumé

Rye (Secale cereale L.) is an exceptionally climate-resilient cereal crop, used extensively to produce improved wheat varieties via introgressive hybridization and possessing the entire repertoire of genes necessary to enable hybrid breeding. Rye is allogamous and only recently domesticated, thus giving cultivated ryes access to a diverse and exploitable wild gene pool. To further enhance the agronomic potential of rye, we produced a chromosome-scale annotated assembly of the 7.9-gigabase rye genome and extensively validated its quality by using a suite of molecular genetic resources. We demonstrate applications of this resource with a broad range of investigations. We present findings on cultivated rye's incomplete genetic isolation from wild relatives, mechanisms of genome structural evolution, pathogen resistance, low-temperature tolerance, fertility control systems for hybrid breeding and the yield benefits of rye-wheat introgressions.

Identifiants

DOI: 10.1038/s41588-021-00807-0 PMID: 33737754 PMC: PMC8035072

pubmed: 33737754

doi: 10.1038/s41588-021-00807-0

pii: 10.1038/s41588-021-00807-0

pmc: PMC8035072

doi:

Substances chimiques

Plant Proteins 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

Pagination

564-573

Subventions

Organisme : Biotechnology and Biological Sciences Research Council

ID : BB/P016855/1

Pays : United Kingdom

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