Reference Strains

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NCTC® vs. ATCC®

Understand the equivalence of the main culture collections

NCTC®, like ATCC®, is a global reference for culture collections. Both are registered in the WDCM (World Data Center for Microorganisms), an international database that groups strains into a unique identifier system, facilitating the comparison and sharing of information on reference strains.

In the WDCM, the same strain can have different designations depending on the collection. For example, the Escherichia coli strain NCTC® 12241 is also designated as ATCC® 25922; CIP® 76.24; DSM® 1103; CCUG® 17620; CECT® 434; depending on the culture collection.

Therefore, when using an NCTC® or ATCC® strain, you are using reference strains with the same phenotypic characteristics and genotyping. It is worth noting that technical protocols and accrediting bodies recognize all available culture collections, ensuring equivalence and compliance among them.

NCTC vs, ATCC
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