Citrobacter koseri: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mucoid colony of Citrobacter koseri on CLED agar of urine specimen

Introduction Citrobacter koseri, formerly known as Citrobacter diversus, is a gram-negative bacterium belonging to the Enterobacteriaceae family. It is a facultative anaerobe, meaning it can grow both in the presence and absence of oxygen. The species name “koseri” is a tribute to the bacteriologist Leo …

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Salmonella Agglutination Test: Introduction, Test Result, Test Method, Clinical Significane, and Keynotes

Salmonella Agglutination Test

Introduction The Salmonella agglutination test is a laboratory diagnostic method used to identify and serotype Salmonella based on their surface antigens. Salmonella is a genus of bacteria that includes various species, some of which can cause foodborne illnesses and gastroenteritis in humans and animals. The …

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Streptococcus oralis:Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Streptococcus oralis colony morphology on MacConkey agar

Introduction Streptococcus oralis is a gram-positive bacterium that belongs to the genus Streptococcus. It is a commensal bacterium that commonly inhabits the human oral cavity, along with other oral streptococci. S. oralis is considered a part of the normal oral microbiota and can be found …

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Candida Chromagar: Introduction, Principle, Test Requirements, Procedure, Result-Interpretation, and Keynotes

Candida Chromagar: Introduction, Principle, Test Requirements, Procedure, Result-Interpretation, and Keynotes

Introduction Candida Chromagar is a selective and differential agar medium used for the isolation and identification of Candida species. HiMedia is a well-known manufacturer of microbiological culture media and laboratory products. Here are some keywords related to this agar: Principle The principle of Candida Chromagar …

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

Morganella morganii Colony Morphology on CLED agar of Urine Culture

Introduction Morganella is a genus of bacteria belonging to the family Enterobacteriaceae. The genus was named after the bacteriologist John Morgan. Morganella species are gram-negative, rod-shaped bacteria that are commonly found in the environment, including soil, water, and sewage. One species of particular interest is …

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Staphylococcus lentus: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Serratia ficaria on CLED Agar of Urine Culture

Introduction Staphylococcus lentus is a species of Gram-positive bacteria belonging to the genus Staphylococcus. It is classified as a coagulase-negative staphylococcus (CoNS), which means it does not produce the enzyme coagulase. CoNS are commonly found as part of the normal human skin and mucous membrane …

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Cancer: Introduction, Types, Sign and Symptoms, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Cancer is a complex and diverse group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body. It can affect virtually any organ or tissue, and if left untreated, it can be life-threatening. Normal cells in the body grow, …

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

Gram negative bacilli or rods of Serratia fonticola in Bronchoalveolar lavage (BAL) sample Gram staining

Introduction Serratia fonticola is a Gram-negative bacterium that belongs to the genus Serratia. It was first isolated and described in 1998 from water samples in a freshwater spring in California, USA. Since its discovery, S. fonticola has been identified in various environmental sources, including soil, …

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