Enterococcus gallinarum – Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

E. gallunarum in Gram stain of culture showing Gram positive cocci in pairs

Introduction Enterococcus gallinarum is a Gram-positive, facultatively anaerobic bacterium. It naturally inhabits the intestines of humans and animals. This bacterium exhibits intrinsic resistance to vancomycin. It can cause infections in immunocompromised patients. It is associated with urinary tract infections and bacteremia. Proper laboratory techniques are …

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Cedecea davisae- Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Cedecea in wet mount of culture microscopy

Introduction Cedecea davisae is a rare, opportunistic pathogen in the Enterobacteriaceae family. It was first isolated from a human wound. This bacterium can cause infections in immunocompromised individuals. It exhibits resistance to several antibiotics. It is often misidentified due to its rarity. However, proper laboratory …

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Staphylococcus epidermidis- Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Staphylococcus epidermis growth on blood agar

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 …

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Gemella morbillorum-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gemella morbillorum in Gram staining of culture microscopy

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 …

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ESBL (Extended Spectrum Beta-Lactamase)- Introduction, List of Bacteria, Pathogenicity, Symptoms, Lab Diagnosis, Treatment, Prevention, and Keynotes

ESBL (Extended Spectrum Beta-Lactamase)- Introduction, List of Bacteria, Pathogenicity, Symptoms, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Extended Spectrum Beta-Lactamase (ESBL) is a term that encompasses a group of enzymes produced by certain bacteria. These enzymes impart resistance to a wide range of beta-lactam antibiotics, which are frequently used in clinical medicine. Here’s an introduction to ESBL: Origin and Mechanism: Clinical …

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Metallo-beta-lactamases (MBLs)- Introduction, List of Bacteria, Pathogenicity, Symptoms, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction of Metallo-beta-lactamases (MBLs) Metallo-beta-lactamases (MBLs) are a group of enzymes produced by certain bacteria that impart resistance to a wide range of beta-lactam antibiotics. These enzymes play a crucial role in the global health challenge posed by antibiotic-resistant bacterial infections. Origin and Mechanism: Clinical …

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K. oxytoca-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

K. oxytoca growth on CLED agar

Introduction Klebsiella oxytoca, often abbreviated as K. oxytoca, is a species of gram-negative, rod-shaped bacterium belonging to the Enterobacteriaceae family. This bacterium is closely related to Klebsiella pneumoniae, another well-known member of the same genus. It is a versatile microorganism that can be found in …

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Morganella morganii- Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Morganella morganii on CLED agar of Urine Culture

Introduction Morganella morganii is a species of gram-negative bacteria belonging to the family Enterobacteriaceae. This bacterium is named after the American bacteriologist, Thomas J. Morgan. It is commonly found in various environments, including soil, water, and the gastrointestinal tracts of humans and animals. While it …

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