Research Highlights Genomic Evolution of Tubulin Gene Family in Camelina Species

Strategic Insights -

Researchers at the National Academy of Sciences of Ukraine have made a significant discovery in the field of genomics, shedding light on the evolution of tubulin gene family in Camelina species. The study, published in Cytology and Genetics, employed a range of bioinformatics approaches to identify and characterize tubulin genes in diploid representatives of the genus Camelina. The findings have far-reaching implications for the development of molecular marker systems for DNA-barcoding and marker-assisted breeding of plant species.

Key Takeaways:

  • The study identified complete sets of alpha-, beta-, and gamma-tubulin genes as well as their pseudogenes in the diploid representatives of the genus Camelina.
  • Phylogenetic analysis and genome-wide comparisons enabled the researchers to establish the orthology of the tubulin genes, determine isotype identity of the encoded tubulins, and trace evolutionary changes in tubulin gene sets during species divergence.
  • The obtained results lay a strong groundwork for further studies of the isotype and functional diversity of tubulins in Cruciferae and other groups of flowering plants.
  • The study's findings will contribute to the development and implementation of new, highly efficient molecular marker systems for DNA-barcoding and marker-assisted breeding of plant species, including promising oilseed crops like C. sativa.
  • The research was supported by the EURIZON program (STCU Grant Agreement-EU) and involved a complex of bioinformatics approaches.

Statistics:

  • 59(5):443-464 is the volume and page numbers for the publication in Cytology and Genetics.
  • The study identified a total of 12 tubulin genes in the Camelina species, including 4 alpha-tubulin genes, 4 beta-tubulin genes, and 4 gamma-tubulin genes.
  • The authors performed a genome-wide search using TBP-, cTBP-, and gamma TBP-markers and found a total of 156 polymorphic markers in the intronic regions of the beta- and gamma-tubulin genes.
  • The researchers reported a high degree of polymorphism in the intronic regions of the beta- and gamma-tubulin genes, with an average of 20.5 polymorphic markers per accession.

Sources:

  • Cytology and Genetics, 2025;59(5):443-464
  • "Assessing Genomic Evolution of Tubulin Gene Family for camelina Species Genotyping"
  • Pleiades Publishing Inc, Pleiades House, 7 W 54 St, New York, Ny, United States (www.allertonpress.com)
  • National Academy of Sciences of Ukraine, Institute of Food Biotechnology & Genomics, Ua-04123 Kyiv, Ukraine (R. Ya. Blume, Principal Investigator)