Gram-negative

Acinetobacter lwoffii: Introduction, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Acinetobacter lwoffii is a Gram-negative, strictly aerobic, non-motile, non-fermenting, and oxidase-negative bacterium. It belongs to the genus Acinetobacter within…

3 weeks ago

Pandrug-resistant (PDR) Klebsiella pneumoniae: Introduction, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

 Introduction Organism: Gram-negative, encapsulated, facultative anaerobic, rod-shaped bacterium. Epidemiology: Major cause of healthcare-associated infections (HAIs) like pneumonia, bloodstream infections, and…

4 weeks ago

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

Introduction Pseudomonas putida is a versatile, Gram-negative, rod-shaped bacterium primarily known for its bioremediation capabilities but recognized as a rare…

1 month ago

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

Introduction Classification: Belongs to the family Enterobacteriaceae. Habitat: Widely found in soil, water, plants, and damp environments (like bathrooms). Nature:…

2 months ago

Sphingomonas paucimobilis-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Sphingomonas paucimobilis (formerly classified as Pseudomonas paucimobilis) is a strictly aerobic, non-fermenting, Gram-negative bacillus. It is an environmental oligotroph…

3 months ago

Acinetobacter baumannii complex-Introduction, Species in this group, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction The Acinetobacter baumannii complex (ABC) is a group of highly resilient, opportunistic Gram-negative bacteria that pose a critical threat…

3 months ago

Orientia and Rickettsia: Introduction, Comparison, Key Differences, Treatment and Diagnosis

Introduction Orientia and Rickettsia are two closely related genera of bacteria within the family Rickettsiaceae. Both are small, gram-negative, obligate…

4 months ago

VITEK 2 System: Introduction, Organisms List and Identification Cards, Principle, Identification Procedure, Result-Interpretation, and Keynotes

Introduction The VITEK 2 System is an automated microbiology platform designed for the rapid identification (ID) and antimicrobial susceptibility testing…

4 months ago