Comparative analysis of rosaceous genomes and the reconstruction of a putative ancestral genome for the family
Visualitza/Obre
Autor/a
Illa, Eudald
Sargent, Daniel J.
Lopez Girona, Elena
Bushakra, Jill
Cestaro, Alessandro
Crowhurst, Ross
Pindo, Massimo
Cabrera, Antonio
van der Knaap, Esther
Iezzoni, Amy
Gardiner, Susan
Velasco, Riccardo
Chagné, David
Troggio, Michela
Data de publicació
2011-01-12ISSN
2730-7182
Resum
Background: Comparative genome mapping studies in Rosaceae have been conducted until now by aligning
genetic maps within the same genus, or closely related genera and using a limited number of common markers.
The growing body of genomics resources and sequence data for both Prunus and Fragaria permits detailed
comparisons between these genera and the recently released Malus × domestica genome sequence.
Results: We generated a comparative analysis using 806 molecular markers that are anchored genetically to the
Prunus and/or Fragaria reference maps, and physically to the Malus genome sequence. Markers in common for
Malus and Prunus, and Malus and Fragaria, respectively were 784 and 148. The correspondence between marker
positions was high and conserved syntenic blocks were identified among the three genera in the Rosaceae. We
reconstructed a proposed ancestral genome for the Rosaceae.
Conclusions: A genome containing nine chromosomes is the most likely candidate for the ancestral Rosaceae
progenitor. The number of chromosomal translocations observed between the three genera investigated was low.
However, the number of inversions identified among Malus and Prunus was much higher than any reported
genome comparisons in plants, suggesting that small inversions have played an important role in the evolution of
these two genera or of the Rosaceae.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
Anglès
Matèries (CDU)
575 - Genètica general. Citogenètica general. Immunogenètica. Evolució. Filogènia
Pàgines
13
Publicat per
BMC
Publicat a
BMC Ecology and Evolution
Citació
Illa, Eudald, Daniel J Sargent, Elena Lopez Girona, Jill Bushakra, Alessandro Cestaro, Ross Crowhurst, Massimo Pindo, et al. 2011. “Comparative Analysis of Rosaceous Genomes and the Reconstruction of a Putative Ancestral Genome for the Family.” BMC Evolutionary Biology 11 (1): 9. doi: 10.1186/1471-2148-11-9
Número de l'acord de la subvenció
MEC/Programa nacional de medios de transporte/CSD2007-00036/ES/Centro de Genómica Básica y de orientación Agroalimentaria/
INIA/Programa nacional de recursos y tecnologías agrarias/RTA2007-00063-00-00/ES/Uso de los marcadores moleculares para la construcción de una colección de líneas casi isogénicas en fresa diploide (fragaria vesca) y la comparación de los genomas de fragaria y prunus/
Programa
Genòmica i Biotecnologia
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