Culti-Loops™ QC organisms. Bacteroides fragilis ATCC® 25285™ is recommended to be used for culture media and antimicrobial susceptibility quality control testing.

Bacteroides fragilis ATCC® 25285™ is recommended to be used for culture media and antimicrobial susceptibility quality control testing by CLSI. β-lactamase positive strain. The loop may be dissolved in liquid medium or streaked directly onto an appropriate media.