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

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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Morganella morganii- Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Morganella morganii on CLED agar of Urine Culture

Introduction Morganella morganii is a species of gram-negative bacteria belonging to the family Enterobacteriaceae. This bacterium is named after the American bacteriologist, Thomas J. Morgan. It is commonly found in various environments, including soil, water, and the gastrointestinal tracts of humans and animals. While it …

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Staphylococcus epidermidis- Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Staphylococcus epidermidis Colony Characteristics on Blood agar

 Introduction Staphylococcus epidermidis, often referred to as S. epidermidis, is a type of bacteria that belongs to the Staphylococcus genus. It is commonly found on the skin and mucous membranes of humans and is considered a part of the normal microbiota, which means it is …

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Stenotrophomonas maltophilia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mucoid lactose fermenting (MLF) colony of Klebsiella pneumoniae and non-lactose fermenting (NLF) colony of Stenotrophomonas maltophilia on MacConkey medium of clinical specimen-sputum culture

Introduction Stenotrophomonas maltophilia is a Gram-negative bacterium that belongs to the class Gammaproteobacteria. It is an opportunistic pathogen known for its ability to cause infections, particularly in individuals with compromised immune systems or underlying health conditions. The bacterium was initially considered to be of low …

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Achromobacter xylosoxidans: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram negative rods (GNRs) or Gram negative bacilli (GNBs)of Achromobacter xylosoxidans in Gram staining of culture microscopy

Introduction Achromobacter xylosoxidans is a gram-negative, non-fermenting bacterium that belongs to the family Alcaligenaceae. It is an aerobic, rod-shaped bacterium known for its versatile metabolic capabilities and its widespread distribution in various environments, including soil, water, and hospital settings. Originally classified as Alcaligenes xylosoxidans, the …

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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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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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