- Review
The Allium cepa Assay as a Versatile Tool for Genotoxicity and Cytotoxicity: Methods, Applications, and Comparative Insight
- Olivia Torres-Bugarín,
- Isaac Gómez-Ferreyra,
- Mario Contreras-Dueñas,
- María Luisa-Ramos Ibarra,
- Rafael Bello-Bedoy,
- Alejandro Sánchez-González,
- Francisco Casillas-Figueroa,
- Balam Ruiz-Ruiz,
- Karina Iveth Orozco-Jiménez and
- María Evarista Arellano-García
2 February 2026
Background: The Allium cepa test is a widely used, cost-effective, and versatile model for assessing cytogenotoxicity. Cytotoxicity is determined through changes in root growth and the mitotic index, while genotoxicity is identified through chromosom...

