Comparative effect of osmium tetroxide and ruthenium tetroxide on Penicillium sp. hyphae and Saccharomyces cerevisiae fungal cell wall ultrastructure Orlando Torres-Fernández, Nelly Ordóñez

The fungal cell wall viewed through the electron microscope appears transparent when fixed by the conventional osmium tetroxide method. However, ruthenium tetroxide post-fixing has revealed new details in the ultrastructure of Penicillium sp. hyphae and S