Journal
NATURE GENETICS
Volume 45, Issue 5, Pages 487-494Publisher
NATURE PORTFOLIO
DOI: 10.1038/ng.2586
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Funding
- Office of Science of the US Department of Energy [DE-AC02-05CH11231]
- Ministero delle Politiche Agricole Alimentari e Forestali-Italy (MiPAAF) [DM14999/7303/08]
- US Department of Agriculture (USDA) through USDA National Institute of Food and Agriculture (NIFA) Specialty Crop Research Initiative (SCRI) [2010-2010-03255]
- Robert and Louis Coker Chair for Plant Molecular Genetics
- Chilean government [FDI G02P1001]
- Basal ProgramPB-16
- FONDAP [CRG15090007]
- Spanish Ministry of Science and Innovation [CSD2007-00036]
- French National Research Agency (ANR) through Chex-ABRIWG ANR/INRA [22000552]
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Rosaceae is the most important fruit-producing clade, and its key commercially relevant genera (Fragaria, Rosa, Rubus and Prunus) show broadly diverse growth habits, fruit types and compact diploid genomes. Peach, a diploid Prunus species, is one of the best genetically characterized deciduous trees. Here we describe the high-quality genome sequence of peach obtained from a completely homozygous genotype. We obtained a complete chromosome-scale assembly using Sanger whole-genome shotgun methods. We predicted 27,852 protein-coding genes, as well as noncoding RNAs. We investigated the path of peach domestication through whole-genome resequencing of 14 Prunus accessions. The analyses suggest major genetic bottlenecks that have substantially shaped peach genome diversity. Furthermore, comparative analyses showed that peach has not undergone recent whole-genome duplication, and even though the ancestral triplicated blocks in peach are fragmentary compared to those in grape, all seven paleosets of paralogs from the putative paleoancestor are detectable.
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