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August 21, 2025Nature CommunicationsOpen Access

Analysis wheat wild relatives Thinopyrum intermedium and Roegneria kamoji genomes reveal different polyploid evolution paths

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Authors

SSSilong SunShandong Agricultural UniversityNCNaixiu CheShandong Agricultural UniversityLCLiyang ChenJiaxing University

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Implication

Analysis of Thinopyrum intermedium and Roegneria kamoji genomes shows distinct polyploidization, suggesting unique evolutionary pathways.

Key Points

  • R. kamoji exhibits independent polyploid evolution, likely stemming from tetraploid ancestors, enhancing crop improvement.
  • Thinopyrum intermedium integrates genes from Pseudoroegneria, Dasypyrum, and Aegilops, crucial for wheat hybridization.
  • The identification of Fhb7 homologs in R. kamoji's subgenomes provides insights into enhancing Fusarium head blight resistance.
  • Phylogenomic analysis adds significant detail to the understanding of Triticeae polyploid evolution and genetic resource usage.

Cite This Study

Sun et al. (2025) studied this question.

synapsesocial.com/papers/68a6fb9b5502675167ba94ebhttps://doi.org/10.1038/s41467-025-63007-y
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