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- Title
New insights into the origin of the B genome of hexaploid wheat: evolutionary relationships at the SPA genomic region with the S genome of the diploid relative Aegilops speltoides.
- Authors
Salse, Jérome; Chagué, Véronique; Bolot, Stéphanie; Magdelenat, Ghislaine; Huneau, Cécile; Pont, Caroline; Belcram, Harry; Couloux, Arnaud; Gardais, Soazic; Evrard, Aurélie; Segurens, Béatrice; Charles, Mathieu; Ravel, Catherine; Samain, Sylvie; Charmet, Gilles; Boudet, Nathalie; Chalhoub, Boulos
- Abstract
Several studies suggested that the diploid ancestor of the B genome of tetraploid and hexaploid wheat species belongs to the Sitopsis section, having Aegilops speltoides (SS, 2n = 14) as the closest identified relative. However molecular relationships based on genomic sequence comparison, including both coding and non-coding DNA, have never been investigated. In an attempt to clarify these relationships, we compared, in this study, sequences of the Storage Protein Activator (SPA) locus region of the S genome of Ae. speltoides (2n = 14) to that of the A, B and D genomes co-resident in the hexaploid wheat species (Triticum aestivum, AABBDD, 2n = 42).
- Publication
BMC genomics, 2008, Vol 9, p555
- ISSN
1471-2164
- Publication type
Journal Article
- DOI
10.1186/1471-2164-9-555