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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Gemella morbillorum-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gemella morbillorum in Gram staining of culture microscopy

Introduction Gemella morbillorum is a gram-positive bacterium, typically found in the human mouth, throat, and respiratory tract. It occasionally causes infections, particularly in immunocompromised individuals or those with underlying health conditions. Common infections include endocarditis, bacteremia, and abscesses. Notably, it can lead to serious complications …

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Streptococcus sanguinis-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Streptococcus sanguinis colony morphology on blood agar of urine culture

Introduction Streptococcus sanguinis is a Gram-positive bacterium belonging to the Streptococcaceae family. It is a commensal bacterium commonly found in the human oral cavity and is part of the normal oral microbiota. While it generally coexists peacefully with its host, S. sanguinis can also play …

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Salmonella Typhi: Introduction, Identification Features, Keynotes, and Salmonella Footages

Salmonella Typhi growth on MacConkey, Gram stained image, biochemical tests and Salmonella Typhi and S. Paratyphi on XLD agar

Introduction of Salmonella Typhi Salmonella Typhi is a member of the family, Enterobacteriaceae and it is a Gram-negative bacillus, non-sporing, non-encapsulated, aerobic, or facultative anaerobe of size 2 to 4 × 0.6 µm that causes enteric fever (typhoid fever) and food poisoning or gastroenteritis. Biochemical …

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Blood Agar: Introduction, Composition, Principle, Preparation Requirements, Test Procedure, Result -Interpretation, Uses, Keynotes, and Blood Agar Footages

Blood Agar- Introduction, Composition, Principle, Preparation Requirements, Test Procedure, Result -Interpretation, Uses, Keynotes and Blood Agar Footages

Introduction of Blood Agar Blood agar is an enriched medium for the cultivation of bacteria. Fastidious organisms, such as streptococci, do not grow well on ordinary growth media. It is a type of growth medium i.e. trypticase soy agar enriched with 5% sheep blood or blood agar base with 5-10 % sterile …

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