Fungal biodeterioration of color cinematographic films of the cultural heritage of Cuba

► Fungal biodeterioration of cine films of the Cuban heritage has been analyzed. ► Aspergillus, Cladosporium, Microascus and Penicillium were identified. ► Is the first time that Microascus has been isolated in cinematographic films. ► Guidelines for the prevention of biodeterioration in film archives are proposed.