Article
Major chromosome rearrangements in intergeneric wheat × rye hybrids in compatible and incompatible crosses detected by GBS read coverage analysis.
Scientific reports - 14 May 2024
Tikhenko Natalia, Haupt Max, Fuchs Jörg, Perovic Dragan, Himmelbach Axel, Mascher Martin, Houben Andreas, Rutten Twan, Nagel Manuela, Tsvetkova Natalia V, Sehmisch Stefanie, Börner Andreas
Abstract excerpt
The presence of incompatibility alleles in primary amphidiploids constitutes a reproductive barrier in newly synthesized wheat-rye hybrids. To overcome this barrier, the genome stabilization process includes large-scale chromosome rearrangements. In incompatible crosses resulting in fertile amphidiploids, the elimination of one of the incompatible alleles Eml-A1 or Eml-R1b can occur already in the somatic tissue...
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