Major chromosome rearrangements in intergeneric wheat × rye hybrids in compatible and incompatible crosses detected by GBS read coverage analysis.
Chromosome rearrangements
Coverage analysis
Embryo lethality
Genotyping-by-sequencing GBS
Hybrid sterility
Incompatible crosses
Wheat-rye amphidiploids
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
14 05 2024
14 05 2024
Historique:
received:
01
10
2023
accepted:
07
05
2024
medline:
15
5
2024
pubmed:
15
5
2024
entrez:
14
5
2024
Statut:
epublish
Résumé
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 of the wheat × rye hybrid embryo. We observed that the interaction of incompatible loci Eml-A1 of wheat and Eml-R1b of rye after overcoming embryo lethality leads to hybrid sterility in primary triticale. During subsequent seed reproductions (R
Identifiants
pubmed: 38745019
doi: 10.1038/s41598-024-61622-1
pii: 10.1038/s41598-024-61622-1
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
11010Subventions
Organisme : German Research Foundation DFG
ID : BO 1423/17-1/603175
Informations de copyright
© 2024. The Author(s).
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