Serratia liquefaciens: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Serratia liquefaciens and Klebsiella pneumoniae growth on CLED agar of Urine Culture

Introduction Serratia liquefaciens is a species of Gram-negative, rod-shaped bacteria belonging to the genus Serratia. This bacterium is known for its diverse distribution in various environmental niches, including water, soil, plants, and human-related habitats. It has also been associated with clinical infections in humans, making …

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Stenotrophomonas maltophilia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mucoid lactose fermenting (MLF) colony of Klebsiella pneumoniae and non-lactose fermenting (NLF) colony of Stenotrophomonas maltophilia on MacConkey medium of clinical specimen-sputum culture

Introduction Stenotrophomonas maltophilia is a Gram-negative bacterium that belongs to the class Gammaproteobacteria. It is an opportunistic pathogen known for its ability to cause infections, particularly in individuals with compromised immune systems or underlying health conditions. The bacterium was initially considered to be of low …

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Skin and Soft Tissue Infections: Introduction, Types, Signs and Symptoms, Common Pathogens, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Skin and soft tissue infections (SSTIs) encompass a broad range of infections that affect the skin, underlying connective tissues, and sometimes even the muscles. These infections can be caused by various types of bacteria, viruses, fungi, and parasites, and they can occur in individuals …

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Ureaplasma: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Ureaplasma is a genus of bacteria that belong to the class Mollicutes. These bacteria are characterized by their small size, lack of a cell wall, and a simple structure. Ureaplasma species (they) are known to colonize the human urogenital tract and are associated with …

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Mycoplasma pneumoniae: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Mycoplasma pneumoniae is a unique type of bacteria that belongs to the class Mollicutes. What sets it apart from other bacteria is its lack of a cell wall, which is a characteristic feature of most bacterial species. This absence of a cell wall makes …

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E. aerogenes: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Enterobacter aerogenes colony morphology on CLED agar of urine culture

Introduction Enterobacter aerogenes is a bacterium belonging to the Enterobacteriaceae family, which includes several other important pathogens and opportunistic bacteria. E. aerogenes is a Gram-negative, rod-shaped bacterium that is commonly found in various environments, including soil, water, and the gastrointestinal tracts of humans and animals. …

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Pleural Fluid Culture and Sensitivity: Introduction, Report, Clinical Significance, Common Pathogens, and Keynotes

Pleural fluid for laboratory diagnosis

Introduction Pleural fluid culture and sensitivity is a diagnostic test used to identify and determine the antibiotic susceptibility of microorganisms present in the pleural fluid. The pleural fluid is a clear fluid that accumulates between the two layers of the pleura, the membrane that surrounds …

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Moraxella catarrhalis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram negative cocci in pairs (diplococci) of Moraxella catarrhalis in Gram staining of culture microscopy at a magnification

Introduction Moraxella catarrhalis is a Gram-negative, aerobic bacterium that belongs to the Moraxellaceae family. It is a non-motile, non-spore-forming bacterium, and it is typically found in the upper respiratory tract of humans as a commensal organism. Though generally considered a commensal, M. catarrhalis can also …

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