RESUMO
Aflatoxin contamination of maize is a leading threat to health in Guatemala. This contamination is the result of infection from Aspergillus flavus and has been effectively reduced in other countries through application of nonaflatoxigenic, indigenous strains of A. flavus. We collected 82 maize samples from throughout Guatemala in two years and isolated 272 A. flavus from these samples, including 126 unique genotypes. We provide here a phenotypic and simple sequence repeat (SSR)-based genotypic description of these isolates, as well as an analysis of the diversity of this population. High levels of genetic diversity were observed with the nonaflatoxigenic isolates in this study, but this information contributes to the development of indigenous aflatoxin biocontrol products.
RESUMO
Desde la Salud Pública el concepto de Vulnerabilidad ha estado ligado a Factores de Riesgo y se ha complementado con el concepto de Nivel de Vulnerabilidad, definido este, como la potencialidad de que se produzca el riesgo, ocurra el daño, o se suceda el problema.
From the Public Health the concept of Vulnerability has been linked to Risk Factors and has been complemented with the concept of Vulnerability Level, defined this, as the potentiality of the risk, damage occurs, or the problem occurs.