genotyping
A method of visualising one or more genes in a living organism. It is often used as a means to understand a particular trait
Genotyping is the process of identifying the genetic makeup of an organism, such as a bacterium, virus, or plant, by looking at its DNA. In food safety, genotyping helps scientists determine exactly which strain of a microorganism is present, how it differs from others, and whether it may be harmful.
EFSA uses genotyping to track the sources and spread of foodborne pathogens like Salmonella or E. coli for example. By comparing the genetic profiles of different isolates, EFSA can link outbreaks to specific foods or production chains, monitor antimicrobial resistance, and detect emerging threats. This information supports risk assessments, outbreak investigations, and the development of policies to protect public health.