African American Scientist with Microscope ATCC: Global Bioresource Center

American Type Culture Collections

ATCC's microorganism collection includes more than 18,000 strains of bacteria, 2,000 animal viruses and 1,000 plant viruses. ATCC maintains collections of protozoans, yeasts and fungi with over 49,000 yeast and fungi strains and 2,000 strains of protists.