Genetically modified entomopathogenic bacteria, recent developments, benefits and impacts: A review

Area of Science:

• Agricultural Entomology
• Microbial Biotechnology
• Environmental Science

Background:

• Entomopathogenic bacteria (EPBs) are eco-friendly alternatives to chemical insecticides but suffer from limited field stability.
• Environmental factors like solar radiation and temperature reduce EPB efficacy.
• Genetic engineering offers a solution to enhance EPB resistance and persistence.

Purpose of the Study:

• To review the advancements in genetically modified entomopathogenic bacteria (GM-EPBs) for biological control.
• To examine the potential ecological impacts of GM-EPBs.
• To stimulate critical discussion on the safe application of GM-EPBs.

Main Methods:

• Literature review of genetic modifications in EPBs.
• Analysis of studies on GM-EPB efficacy and stability.
• Evaluation of research on ecological risks associated with GM-EPBs.

Main Results:

• GM-EPBs exhibit higher pathogenicity, require lower application rates, and persist longer than wild-type EPBs.
• Genetic modifications have been successfully applied to genera like Bacillus, Lysinibacillus, and Pseudomonas.
• Concerns exist regarding potential unintended effects on non-target organisms and soil microbial communities.

Conclusions:

• GM-EPBs show significant promise for sustainable agriculture and pest management.
• Comprehensive ecological risk assessments are crucial before widespread adoption of GM-EPBs.
• Balancing the benefits of GM-EPBs with their potential environmental impact is essential for responsible innovation.