Big Family Bacterial Classification

Introduction. Abbreviations & shapes. The Family Stone. The Big Family. Gram Positive Cocci. Gram Negative Bacilli. Gram Positive Bacilli. Gram Negative Cocci. Gram Negative Coccobacilli. Anaerobic Bacteria. Acid Fast Bacilli. The Big Gathering. Member Profile. The Normal Flora. The Usual Suspects. Dr. khalil alkuwaity. Culture. Stain. Gram‐positive cell wall. Gram‐negative cell wall. Acid‐fast cell wall. Cytoplasmic membrane. +. Micrococcaceae. Staphylococci. +. Catalase. +. ̶. Skin, Eye & Urethra. Vagina. Large intestine. Eye infection. Meningitis. Pharyngitis. Genital infection. Pneumonia. Skin & Wound. Urinary Tract Infection.

Periplasmic space Peptidoglycan (5‐10%) Periplasmic space Cytoplasmic membrane

Enterococci include E. faecalis, E. faecium VRE: Vancomycin Resistant Enterococci Viridans Strept include S. mitis, S. mutans

Chinese letters Tellurite‐blood agar (Toxigenic) Elek test +

TB rods stained using Ziehl‐Neelsen (ZN) stain and Auramine‐Rhodamine (AR) fluorescent stain

TB colonies grown on Lowenstein Jensen (LJ ) medium

*Mycobacterium species include: Mycobacterium tuberculosis (MTB) => TB infection

Mycobacteria Other Than Tuberculosis (MOTT) => TB‐like infection

* Shows characteristic morphology, but the organism may also grow on other media.

** Coliforms: are lactose‐fermenting Enterobacteriaceae, such as E. coli, Klebsiella, Citrobacter and Enterobacter.