Most commercial automated AST systems are optimized for rapidly growing, common pathogens. Rare organisms often require manual testing methods like broth microdilution or agar dilution.
Including Bacillus cereus , which can cause severe ocular and systemic infections. clsi document m45 pdf
As a copyrighted standard, the CLSI M45 document is not freely and legally available for download from public websites. The legitimate ways to obtain the PDF are as follows: Most commercial automated AST systems are optimized for
The document outlines three primary testing methodologies depending on the organism: Broth Microdilution specific broth media
Includes Corynebacterium diphtheriae and opportunistic pathogens like Corynebacterium striatum .
It establishes uniform testing environments (e.g., specific broth media, incubation times, gas atmospheres) so that different laboratories achieve reproducible results.
Adherence to CLSI M45 is essential for several reasons: