AOAC SPADA Meeting

Bacterial Verification

Where do strains come from? 

Starts as a laboratory derived designation intentional mutation  phenotypic change

designate a historical event of the agent (date it was preserved, received, etc.) source of the isolate‐ geographic source of the isolate‐ describes location on a plate, particular biologist who grew it, selective  media derived, etc. sequencing data‐ presence of plasmids, gene of interest, absence of plasmid

Bacterial Verification

Where do Type strains come from? 

It all starts with a Type Strain Rule 18a: Whenever possible, the type of a species or subspecies is a designated strain. The type strain is made up of  living cultures of an organism, which are descended from a strain designated as the nomenclatural type.  The strain should have been maintained in pure culture and should agree closely to its characters with  those in the original description

International code of Nomenclature of Prokaryotes, 2008 revision