The center is the largest repository for E. coli strains in America. It holds more than 85,000 strains collected over the last 50 years from animals, humans, birds, and environment.
The E. coli Reference Center along with sponsorships from Penn State's College of Agricultural Sciences and outside companies, hosts workshops for the world-wide E. coli community.
Explore thousands of genome-sequenced E. coli strains submitted by the ECRC through NCBI Pathogen Detection tool. This guide provides clear instructions for locating and exploring these publicly available sequences.