MacConkey agar

Myroides species: Introduction, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

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Myroides species in Gram staining of culture at a magnification of 1000X with an additional 4X camera optical zoom

 Introduction         Myroides species are emerging, opportunistic, extensively drug-resistant Gram-negative bacteria that are gaining increasing clinical attention. Formerly classified under the genus Flavobacterium, they are notorious for causing hard-to-treat nosocomial infections. Pathogenicity & Clinical Spectrum Laboratory Diagnosis Treatment & Antimicrobial Resistance Prevention & Control Keynotes Further …

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

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Klebsiella aerogenes growth on CLED medium after 48 hours of incubation

Introduction Klebsiella aerogenes (formerly known as Enterobacter aerogenes) is a Gram-negative, rod-shaped, motile bacterium belonging to the Enterobacteriaceae family. Whole-genome sequencing and comparative phylogenetics recently reclassified it into the genus Klebsiella because it is genetically closer to Klebsiella pneumoniae than to other Enterobacter species. It …

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Pseudomonas putida: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, and Prevention

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Pseudomonas putida colony morphology on blood agar after 48 hours of incubation

Introduction Pseudomonas putida is a versatile, Gram-negative, rod-shaped bacterium primarily known for its bioremediation capabilities but recognized as a rare opportunistic human pathogen. Found globally in soil, water, and plant roots, it thrives in diverse environments due to its unique metabolic endurance. Morphology and Characteristics …

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

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Gram-negative rods(GNRs) of Serratia marcescens at a magnification of 1000x with 8x optical zoom

Introduction Morphology Pathogenicity Lab Diagnosis Treatment Prevention Keynotes Further Readings

Alcaligenes faecalis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

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Alcaligenes faecalis growth on MacConkey agar

Introduction Alcaligenes faecalis is a Gram-negative, aerobic, rod-shaped bacterium primarily found in water and soil, but also as a commensal in the human intestinal tract. While it is generally nonpathogenic, it is a significant opportunistic pathogen, particularly in hospital settings where it thrives in moist …

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

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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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Proteus hauseri-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

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Proteus hauseri colony morphology on MacConkey agar of urine culture

Introduction Proteus hauseri is a Gram-negative, facultatively anaerobic bacillus in the Enterobacteriaceae family. It is closely related to other Proteus species and commonly found in soil, water, and the human gastrointestinal tract. Though less prevalent than P. mirabilis, P. hauseri can cause opportunistic infections—especially in …

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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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