Collections ATCC’s collections include a wide range of biological materials for research, including cell lines, molecular genomics tools, microorganisms, and bioproducts. Cell Biology Collections Browse our selection of continuous, hTERT-immortalized, primary and iPS cell lines as well as our selection of culture media and associated reagents. Microbiology Collections Choose from among the world’s largest collection of bacteria, viruses, yeast, fungi, protozoa, nucleic acids, and molecular tools. Michael J. Fox Foundation Collection In partnership with the MJFF, we offer 3 cell lines for investigating the role of neuroinflammation & macrophage function in Parkinson’s disease. US National Park Service Collection View items available from the US National Park Service. Preceptrol® Cultures ATCC's Preceptrol® cultures offer an economical way for your lab to use well-characterized ATCC strains. Most preceptrol cultures are packaged in convenient serum vials, and afforded the same standards of quality as our traditional batch vial preparations.