The key difference between actinomyces and nocardia is that Actinomyces is a genus of actinobacteria comprised only of facultative anaerobic bacteria, while Nocardia is a genus of actinobacteria comprised only of strict aerobic bacteria. Actinomyces and Nocardia are two clinically important genera of actinobacteria. Actinobacteria is a gram-positive bacterial group with high G+C DNA content. […]