Question

NocardiaFeatures Virulence FactorsManifestations

Accepted Answer

Weakly Gram (+) Catalase (+)Partially acid fastBranching filaments (act like fungi but are rod-shaped bacteria)Virulence Factors↓ Cord FactorCatalaseSODManifestations↓ Pulmonary infx | Brain abscesses (immunocompromised patients)Diffuse Pneumonia (cough | dyspnea | fever) Similar to TB but with (-) PPD**Spreads to CNS**

Front	Nocardia Features Virulence Factors Manifestations
Back	Weakly Gram (+) Catalase (+) Partially acid fast Branching filaments (act like fungi but are rod-shaped bacteria) Virulence Factors ↓ Cord Factor Catalase SOD Manifestations ↓ Pulmonary infx \| Brain abscesses (immunocompromised patients) Diffuse Pneumonia (cough \| dyspnea \| fever) Similar to TB but with (-) PPD Spreads to CNS

Virulence Factors Manifestations Catalase Nocardia Features Weakly Gram Partially