Lactococcus garvieae: Introduction, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram positive cocci of Lactococcus garvieae in Gram staining of repeated culture at a magnification of 4000X

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 …

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Acinetobacter ursingii: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynote

Introduction Acinetobacter ursingii is a Gram-negative, non-fermentative, opportunistic bacterium belonging to the genus Acinetobacter. It is an uncommon species compared to Acinetobacter baumannii, but it has been increasingly recognized in healthcare-associated infections (HAIs). Reported cases include bacteremia, septicemia, pneumonia, urinary tract infections, and bloodstream infections, …

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

Staphylococcus sciuri Gram positive cocci in singles, pairs, chains and clusters in Gram stain of culture microscopic examination

Introduction Staphylococcus sciuri belongs to the coagulase-negative staphylococci (CoNS) group. Since it thrives in diverse environments, scientists often isolate it from animals, soil, and water. Moreover, it colonizes the skin and mucosal surfaces of humans and animals. Although it usually remains harmless, it can cause …

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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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Mcfarland Densitometer-Introduction, Principle, Handling Procedure, Application, and Keynotes

Optimal bacterial inoculums (McFarland 0.5 turbidity) for antimicrobial susceptibility testing

Introduction A McFarland densitometer is a simple yet essential laboratory instrument used to measure the optical density of a liquid bacterial suspension. It is a valuable tool in microbiology and clinical laboratories, particularly in tasks like adjusting bacterial cell concentrations for experiments, quality control of …

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Bloodstream Infections(BSI): Introduction, Types, Sign and Symptoms, Common Pathogens, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Bloodstream infections (BSI), also known as bacteremia or septicemia, are serious medical conditions characterized by the presence of bacteria or other pathogens in the bloodstream. This condition can lead to severe health complications and even be life-threatening if not promptly diagnosed and treated. Bloodstream …

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

Urine routine examination showing numerous pus cells and bacteria -urinary tract infection (UTI) due to bacteria

Introduction Urine culture and sensitivity is a medical diagnostic test used to identify and quantify the microorganisms present in a urine sample and determine their sensitivity to various antibiotics. It is a crucial procedure in diagnosing urinary tract infections (UTIs) and guiding appropriate treatment. Here’s …

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Escherichia coli: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Greenish metallic sheen of Escherichia coli on Eosin Methylene Blue (EMB) Agar

Introduction Escherichia coli, often abbreviated as E. coli, is a gram-negative, rod-shaped bacterium belonging to the Enterobacteriaceae family. It is one of the most commonly studied and well-known bacteria, both because of its importance in scientific research and its relevance in various aspects of human …

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