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<p>Genome editing technologies have revolutionized molecular biology, enabling precise manipulation of gene functions across diverse organisms. In this study, we introduce a novel liposome-mediated delivery system for CRISPR-Cas9 components targeting the Juvenile Hormone Acid Methyltransferase (JHAMT) gene in honey bees (Apis mellifera anatoliaca). This approach leverages drone sperm cells as vectors for CRISPR-Cas9 transfection, overcoming the technical challenges of embryo microinjection in honey bees, such as low survival rates and labor-intensive procedures. The study involved artificial insemination of queen bees with transfected sperm and subsequent evaluation of gene-editing efficiency across generations.</p><p>Our findings demonstrate the successful generation of both heterozygous and homozygous mutants, with gene-editing efficiencies reaching approximately 43%. This innovative method highlights the potential of liposome-mediated delivery systems for non-invasive, efficient, and scalable genome editing in eusocial insects. The results pave the way for broader applications in honey bee genetic research, offering a viable alternative to traditional methods. Furthermore, this study underscores the importance of genetic tools in advancing apiculture and addressing ecological challenges linked to pollinator health.</p> Graphical Abstract <p></p>

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Targeted Gene Editing in Honey Bees Using Liposome-Based CRISPR-Cas9

  • 期刊论文

  • 发表日期：

    2025年8月25日

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  • Berkant İsmail Yıldız,
  • Kemal Karabağ

摘要

Genome editing technologies have revolutionized molecular biology, enabling precise manipulation of gene functions across diverse organisms. In this study, we introduce a novel liposome-mediated delivery system for CRISPR-Cas9 components targeting the Juvenile Hormone Acid Methyltransferase (JHAMT) gene in honey bees (Apis mellifera anatoliaca). This approach leverages drone sperm cells as vectors for CRISPR-Cas9 transfection, overcoming the technical challenges of embryo microinjection in honey bees, such as low survival rates and labor-intensive procedures. The study involved artificial insemination of queen bees with transfected sperm and subsequent evaluation of gene-editing efficiency across generations.

Our findings demonstrate the successful generation of both heterozygous and homozygous mutants, with gene-editing efficiencies reaching approximately 43%. This innovative method highlights the potential of liposome-mediated delivery systems for non-invasive, efficient, and scalable genome editing in eusocial insects. The results pave the way for broader applications in honey bee genetic research, offering a viable alternative to traditional methods. Furthermore, this study underscores the importance of genetic tools in advancing apiculture and addressing ecological challenges linked to pollinator health.

Graphical Abstract