Tag: Cultural Characteristics

Cultural and Biochemical characteristics of Staphylococcus aureus 4.69/5 (26)

Cultural characteristics of Staphylococcus aureus Staphylococci grow readily on most bacteriologic media under aerobic or microaerophilic conditions. Colonies on solid media are round, smooth, raised, and glistening. S. aureus usually forms gray to deep golden yellow colonies. Mannitol Salt Agar: circular, 2–3 mm in diameter, with a smooth, shiny surface; colonies appear opaque and are often […]

Cultural characteristics of Clostridium perfringens 4.94/5 (16)

Cultural characteristics of Clostridium perfringens

Cultural characteristics of Clostridium perfringens It is an anaerobic bacteria but can grow under micro-aerophilic condition. They form large, translucent, flat and filamentous colonies with irregular edges. PH: 5.5 to 8.0 (Average PH: 7.2) Temperature: 20°C to 50°C (Average: 37°C) At 45°C, generation time is 10 minutes. Clostridium perfringens on Robertson’s Cooked Meat Broth Saccharolytic […]

Cultural Characteristics of Mycobacterium tuberculosis 4.67/5 (18)

Cultural Characteristics of Mycobacterium tuberculosis

Cultural Characteristics of Mycobacterium tuberculosis Culture is the gold standard for laboratory confirmation of Tuberculosis. Growing bacteria are required to perform drug-susceptibility testing and genotyping. In Lowenstein-Jensen (LJ) medium It is an egg based medium and growth is quite slow. It takes 6-8 weeks to get visual colonies on this type of media. Colonies are […]

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