What Are The Conditions When Gram Positive Bacteria Can Appear Gram Negative?
When over-decolourized by either prolonged exposure to decolourizer or using acetone alone. When cell wall gets damaged by exposure to lysozyme or cell wall acting antibiotics such as Penicillin. Old cultures, where cell wall is weakened or action of autolytic enzymes Those bacteria that are phagocytosed. where cell wall is acted upon by lysosomal contents
