Figure 3From: Comparative transcription analysis and toxin production of two fluoroquinolone-resistant mutants of Clostridium perfringens Comparison of cytotoxicity of two gatifloxacin-resistant C. perfringens mutant strains, 13124 R and NCTR R , with their wild type parents, strains ATCC 13124 and NCTR, for peritoneal macrophages, as measured by LDH (lactate dehydrogenase) released. Back to article page