Enterococcus faecium: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram positive cocci in singles, pairs and chains of Enterococcus faecium in Gram staining of culture microscopy

Introduction Enterococcus faecium is a bacterium that belongs to the Enterococcus genus, which is a part of the Firmicutes phylum. It is a Gram-positive, facultative anaerobic coccus, typically occurring in pairs or short chains. Enterococci are commensal bacteria commonly found in the gastrointestinal tract of …

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Mycoplasma hominis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Mycoplasma hominis is a species of bacteria belonging to the Mollicutes class. It is a unique microorganism as it lacks a cell wall, making it one of the smallest self-replicating organisms known. Due to this feature, it has a pleomorphic appearance, taking various shapes, …

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

Chains of single-celled conidia and conidiophores(annellides) of Scopulariopsis in LPCB Tease mount of culture microscopy

Introduction Scopulariopsis is a genus of filamentous fungi belonging to the class Ascomycota. It is a widespread and diverse group of fungi found in various environmental niches. Scopulariopsis species (they) are commonly present in soil, decaying organic matter, and indoor environments. The name “Scopulariopsis” is …

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E. cloacae: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

E. cloacae mucoid growth on CLED agar of Urine Culture

Introduction Enterobacter cloacae is a Gram-negative bacterium belonging to the Enterobacteriaceae family. It is a non-motile, facultative anaerobic, rod-shaped bacterium with a characteristic ability to ferment lactose. The name “cloacae” is derived from the Latin word “cloaca,” which means sewer or drain, indicating the bacterium’s …

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

Pseudomonas aeruginosa non-lactose fermenting (NLF) colony and mucoid lactose fermenting colony of Klebsiella pneumoniae on MacConkey medium

Introduction Pseudomonas aeruginosa is a Gram-negative bacterium that is widely distributed in nature and is known for its versatility and adaptability. It is an opportunistic pathogen capable of causing infections in humans, particularly in individuals with weakened immune systems or underlying medical conditions. P. aeruginosa …

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

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

Introduction Absidia is a genus of filamentous fungi belonging to the class Zygomycetes. It is a member of the family Mucoraceae, which includes several other genera of molds. The genus Absidia comprises around 40 recognized species, with Absidia corymbifera being the most well-known and frequently …

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Burkholderia cepacia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Burkholderia cepacia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Burkholderia cepacia is a species of gram-negative bacteria within the Burkholderia genus. It is a versatile and opportunistic pathogen that can cause infections in both immunocompromised and healthy individuals. B. cepacia is a significant concern, particularly in individuals with cystic fibrosis (CF) and other …

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