Gram-negative

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

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Klebsiella aerogenes colony morphology on CLED agar after 24 hours of incubation

Introduction Klebsiella aerogenes (formerly Enterobacter aerogenes) is an opportunistic Gram-negative, facultative anaerobic bacterium responsible for serious healthcare-associated infections (HAIs), including bloodstream infections and pneumonia. It is highly associated with antibiotic resistance (including XDR strains) and poor clinical outcomes.  Morphology Pathogenicity & Virulence Factors Lab Diagnosis Treatment Prevention Keynotes …

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Pseudomonas fluorescens: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

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Gram negative rods (GNRs) of Pseudomonas fluorescens in Gram staining of culture

Introduction Pseudomonas fluorescens inhabits diverse environments and thrives in soil and water. Moreover, it plays a significant role in nutrient cycling. The bacterium exists in numerous ecological niches and adapts quickly to changes. Furthermore, researchers study it for its beneficial and harmful properties. It interacts …

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Top 10 Bacterial Pathogens: List with short Descriptions

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Beta-haemolytic colonies of Staphylococcus aureus on 5% sheep blood agar

List of Top 10 Bacterial Pathogens A list of the Top 10 Bacterial Pathogens is summarized as follows- Top 10 Bacterial Pathogens Short Descriptions Footages Escherichia coli lactose fermenting colony on CLED agar of urine culture Beta-haemolytic colonies of Staphylococcus aureus on 5% sheep blood …

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Klebsiella pneumoniae MCQs Quiz: A Set of Questions, Options, and Answers

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Introduction Here is a Klebsiella pneumoniae MCQs Quiz Set with questions, options, and answers. Klebsiella pneumoniae MCQs Quiz 1. What type of organism is Klebsiella pneumoniae? A) VirusB) Gram-positive bacteriumC) Gram-negative bacteriumD) Fungus 2. What is the typical shape of Klebsiella pneumoniae? A) CocciB) BacilliC) …

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E. coli MCQs Quiz: A Set of Questions, Options, and Answers

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Introduction Here is a set of Multiple Choice Questions (MCQs) on E. coli (Escherichia coli) as a quiz. E. coli MCQ Quiz 1. What is Escherichia coli (E. coli)? A) VirusB) BacteriumC) FungusD) Parasite 2. E. coli is classified under which bacterial group? A) Gram-positive …

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Entamoeba histolytica-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynote

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Entamoeba histolytica-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynote

Introduction Entamoeba histolytica is a protozoan parasite responsible for amoebic dysentery and amoebiasis. It primarily infects the intestinal tract, causing symptoms like diarrhea, abdominal pain, and sometimes liver abscesses. The parasite has two forms: the infectious cyst and the trophozoite, which causes tissue damage. E. …

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Citrobacter werkmanii-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynote

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Lactose fermenting colony of Citrobacter werkmanii

Introduction Citrobacter werkmanii is a gram-negative bacterium belonging to the genus Citrobacter. It is commonly found in the environment, including soil, water, and sewage. This bacterium is part of the normal flora of the human intestinal tract but can act as an opportunistic pathogen. C. …

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Proteus penneri– Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynote

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Proteus penneri growth on CLED agar

Introduction Proteus penneri is a Gram-negative bacterium found in various environments, including water and soil. It belongs to the family Enterobacteriaceae, sharing characteristics with other Proteus species. However, it differs from its relatives, like Proteus mirabilis, in its biochemical properties. This species can cause infections …

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