Biochemical and ultrastructural studies of Penicillium chrysogenum, Talaromyces leycettanus and T. thermophilus.

A comparative study of the lipids, proteins, amino acids and of the ultrastructure of lipid bodies of Penicillium chrysogenum (mesophilic), Talaromyces leycettanus (thermotolerant) and T. thermophilus (thermophilic) was done. The highest lipid content was found in T. thermophilus and highest protein content in P. chrysogenum whilst a total of 17 amino acids were found in P. chrysogenum and T. thermophilus and only sixteen were detected in T. leycettanus. Ultrastructural features of lipid bodies are reported and compared.