Biological Resource Centres are the most reliable sources for authenticated type strains, often holding thousands of verified deposits.
: A leading European collection with over 23,000 accessions including bacteria, fungi, and plasmids.
For specific applications like industrial wastewater treatment, agriculture, or pre-prepared laboratory kits, commercial vendors offer standardized products.
: Located in the UK, it maintains around 6,000 bacterial strains of medical and veterinary importance.