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Lepidopteran insects: emerging model organisms to study infection by enteropathogens
Shruti Ahlawat1, Krishna Kant Sharma2
1Department of Microbiology, Faculty of Allied Health Sciences, SGT University, Gurgaon-Badli Road Chandu, Budhera, Gurugram, 122505, Haryana, India. shrutiahlawat5@gmail.com.
Folia Microbiologica
|November 23, 2022
Summary
Insects, particularly lepidopterans, offer an ethical and cost-effective alternative to rodent models for studying pathogen biology. Their innate immune systems and gut homology make them valuable for in vivo pathogen analysis.
Area of Science:
- * Infectious disease research
- * Model organism development
- * Immunology
Background:
- * In vivo pathogen analysis is crucial for understanding host-pathogen interactions.
- * Insects are increasingly utilized as ethical, cost-effective models for pathogen studies.
- * Lepidopteran insects offer advantages in handling and tissue extraction.
Purpose of the Study:
- * To review the insect larval immune system components.
- * To provide an overview of research using lepidopteran insects as infection models.
- * To highlight the utility of insects for studying enteropathogen virulence.
Main Methods:
- * Literature review of existing research.
- * Analysis of insect immune system components.
- * Focus on lepidopteran species: Galleria mellonella, Manduca sexta, Bombyx mori, and Helicoverpa armigera.
Main Results:
- * Insect innate immunity shares homology with vertebrate systems.
- * Lepidopteran models are effective for studying enteropathogen virulence.
- * Advantages include ethical acceptability, cost-effectiveness, and ease of use.
Conclusions:
- * Lepidopteran insects are a viable alternative to traditional animal models for in vivo pathogen research.
- * The homology between insect and vertebrate guts supports their use in studying gut pathogens.
- * Further research utilizing insect models can advance our understanding of infectious diseases.
