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Introduction Lactococcus garvieae is a Gram-positive, catalase-negative, non-spore-forming coccus, typically arranged in pairs or short chains. It belongs to the lactic acid bacteria group and is well known as a major pathogen in fish (lactococcosis). In humans, it is an emerging opportunistic pathogen, increasingly recognized …
Introduction Enterococcus avium is a Gram-positive bacterium commonly found in birds. However, it can also inhabit the gastrointestinal tracts of humans and animals. Although it is less prevalent than other Enterococcus species, E. avium has been identified as a nosocomial pathogen in humans. Notably, it …
Introduction Here is a Staphylococcus aureus MCQs Quiz Set with questions, options, and answers. Staphylococcus aureus MCQs Quiz 1. What type of organism is Staphylococcus aureus? A) VirusB) Gram-positive bacteriumC) Gram-negative bacteriumD) Fungus 2. How does Staphylococcus aureus appear under Gram staining? A) Gram-negative rodsB) …
Introduction Streptococcus gallolyticus is a Gram-positive bacterium. It belongs to the Streptococcus bovis group. This bacterium often inhabits the gastrointestinal tract. S. gallolyticus can cause endocarditis and bacteremia. Moreover, it is associated with colorectal cancer. Researchers use it to study host-pathogen interactions. Identifying S. gallolyticus …
Introduction Staphylococcus epidermidis is a common, coagulase-negative bacterium found on human skin and mucous membranes. It is part of the normal human flora. However, it can cause infections, particularly in immunocompromised individuals. Notably, it is a leading cause of hospital-acquired infections. These infections often occur …
Introduction Gemella morbillorum is a gram-positive bacterium, typically found in the human mouth, throat, and respiratory tract. It occasionally causes infections, particularly in immunocompromised individuals or those with underlying health conditions. Common infections include endocarditis, bacteremia, and abscesses. Notably, it can lead to serious complications …
Introduction Staphylococcus hominis is a type of bacteria commonly found on human skin. It is part of the natural skin flora, living harmlessly in most cases. However, it can cause infections, especially in people with weakened immune systems or with implanted medical devices. These infections …
Introduction Micrococcus luteus, often simply referred to as M. luteus, is a Gram-positive, spherical bacterium belonging to the genus Micrococcus. This bacterium is commonly found in various environments, including soil, dust, water, and on the human skin. Micrococcus species are known for their distinctive yellow …