Emerging Infectious Disease ISSN: 1080-6059

Rhodococcus equi and Arcanobacterium haemolyticum: Two "Coryneform" Bacteria Increasingly Recognized as Agents of Human Infection

Regina Linder

Author affiliation: Hunter College, New York, New York, USA

Figure 2

Cooperative (and antagonistic) hemolytic reactions on sheep blood agar, demonstrating cooperative hemolysis between Rhodococcus equi, Arcanobacterium haemolyticum, and Staphylococcus aureus. Partial hemolysis by S. aureus (cross-hatched on diagram) is inhibited in the proximity of A. haemolyticum.

Figure 2. Cooperative (and antagonistic) hemolytic reactions on sheep blood agar, demonstrating cooperative hemolysis between Rhodococcus equi, Arcanobacterium haemolyticum, and Staphylococcus aureus. Partial hemolysis by S. aureus (cross-hatched on diagram) is inhibited in the proximity of A. haemolyticum.

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