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Communication dans un congrès

The improved assembly of the European Pear

Abstract : Apple and Pear diverged from each other between 5.4 and 21.5 MYA and are believed to share a common genome duplication event between 35 and 50 MYA (Velasco et al. 2010, Wu et al. 2012). Size differences have been observed between the Apple and Pear genomes which are estimated at 527Mb (Pyrus x Bretschneideri Rehd) and 700Mb (Malus x Domestica Borkh) respectively (Wu et al. 2013, Li et al. 2016). The difference in genome size has been accounted for primarily by the proliferation of transposable elements, with the gene space thought to be fairly similar between the two species (Wu et al. 2012). Comparative genomics of the lineage has however, been hampered by the fragmented nature of the reference assemblies. A new chromosome scale assembly was recently produced (Daccord et al. 2017) and now also a chromosome scale assmble of the European Pear (this study), which shows strong collinearity with Apple, greatly facilitating the comparative study of these genomes.
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Contributeur : Okina Université d'Angers <>
Soumis le : mardi 24 mars 2020 - 03:32:45
Dernière modification le : jeudi 22 juillet 2021 - 03:52:55


  • HAL Id : hal-02516671, version 1
  • OKINA : ua17908



Gareth Linsmith, Luca Bianco, C Liu, S Rombauts, Jean-Marc Celton, et al.. The improved assembly of the European Pear. 9th International Rosaceae Genomics Conference, 2018, Nanjing, China. ⟨hal-02516671⟩



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