Figure 1From: Comparative transcription analysis and toxin production of two fluoroquinolone-resistant mutants of Clostridium perfringensComparison of phospholipase C (A) and perfringolysin O (B) activities of the wild type strains of C. perfringens , ATCC 13124 and NCTR, with their respective mutants, 13124Rand NCTRR. W: wild type, M: mutant.Back to article page