Penn State E. coli Reference Center (ECRC)

November 14, 2022

Organizational structure


Collection Institution/Entity

The Pennsylvania State University

Collection Contact

Edward Dudley

Position of Collection contact


Collection Email

Collection Phone


Collection can be contacted


  • Has continued institutional support
  • Interested in Culture Collections Exchange
  • Interested in working with samples from different repositories
  • Interested in Collaborative Programs
  • Collection contains reference strains
  • Ability to accept orphan collections

Collection Category

Publicly available (qualified curator, collection management policies, microbial specimens, a database of collection information, an online strain catalog, and distributes strains to the scientific community)

Capacity to accept orphan collections

We have space for approximately 15,000 more isolates before needing another -80C freezer

Collection follows best management practice guideline


Organisms in Collection


Reference strains in collection

We have genomic information for over 6,200 isolates so can identify pathotypes and genes needed

Training opportunities provided by Collection

Genome sequence analysis

Funding Sources for Research performed with Collection specimens

National Institutes of Health (NIH), National Science Foundation (NSF), United States Department of Agriculture (USDA)

Availability and distribution mechanisms

Fee per strain for distribution, Peer to peer for collaborations

Services provided by Collection

Contract screening, Consulting

Consultations provided by Collection

Propagation, Other (please explain), General questions about pathogenic and non-pathogenic E. coli

Genus in Collection

Species: Escherichia coli, Quantity: 95,000

Host Associations in Collection

Grain crops, Fruits, Vegetables, Other Plants, Mammals, Reptiles, Amphibians, Insects, Other Animals, Humans, Soil, Water, Built Environment

Research fields relevant to Collection

Agriculture, Food science, General microbiology, Genetics, Molecular biology, Evolution, phage resistance