Genome architecture of the allotetraploid wild grass Aegilops ventricosa reveals its evolutionary history and contributions to wheat improvement.

ABSTRACT: The allotetraploid wild grass Aegilops ventricosa (2n = 4x = 28, genome D^vD^vN^vN^v) has been recognized as an important germplasm resource for wheat improvement owing to its ability to tolerate biotic stresses. In particular, the 2N^vS segment from Ae. ventricosa, as a stable and effective resistance source, has contributed greatly to wheat improvement. The 2N^vS/2AS translocation is a prevalent chromosomal translocation between common wheat and wild relatives, ranking just behind the 1B/1R translocation in importance for modern wheat breeding. Here, we assembled a high-quality chromosome-level reference genome of Ae. ventricosa RM271 with a total length of 8.67 Gb. Phylogenomic analyses revealed that the progenitor of the D

SUBMITTER: Liu Z 

PROVIDER: S-EPMC11783901 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature