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Demystifying the Risk Assessment Process for Laboratory-Based Experiments Utilizing Invasive Genetic Elements: It Is
1Department of Entomology and Agrilife Research, Texas A&M University, College Station, Texas, USA.
Summary
Gene drive technology uses recombinant DNA to bias inheritance, posing challenges for safe laboratory use. Risk assessment requires understanding transgene invasiveness and persistence in environments.
Area of Science:
- Genetics and Molecular Biology
- Ecology
- Risk Assessment
Background:
- Recombinant DNA technology enables gene drive systems that bias inheritance.
- Gene drive research is expanding beyond initial model organisms like mosquitoes and flies.
- Identifying gene drive capability and assessing associated risks are complex.
Purpose of the Study:
- To discuss defining features of different gene drive approaches.
- To focus on identifying potential gene drive occurrence and non-occurrence.
- To establish risk profiles based on transgene invasiveness and environmental persistence.
Main Methods:
- Review of existing gene drive architectures and their inheritance patterns.
- Analysis of factors contributing to transgene invasiveness.
- Comparative assessment of gene drive versus non-gene drive transgene persistence.
Main Results:
- Gene drive systems can be complex and not immediately intuitive to identify.
- Transgenes can be invasive without exhibiting gene drive, and vice versa.
- Risk assessment necessitates specific information on transgene-population interactions.
Conclusions:
- Safe laboratory use of gene drive requires clear identification and risk assessment strategies.
- Understanding transgene invasiveness and environmental persistence is crucial for evaluating gene drive systems.
- Challenges exist in the review and evaluation of gene drive research and its applications.
