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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Normal Flora-Introduction, Types, Distribution on Human Body, Beneficial Role, Harmful Effects, and Keynotes

Vaginal Cell and Bacterial Interaction in Gram staining of HVS

Introduction Normal flora, also known as the microbiota or microbiome, refers to the diverse and abundant community of microorganisms that reside in and on the human body, as well as in various other organisms and ecological niches. These microorganisms include bacteria, viruses, fungi, and even …

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Actinomyces-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Actinomyces-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Actinomyces is a genus of bacteria that includes various species of filamentous, gram-positive, anaerobic or microaerophilic bacteria. These bacteria are known for their ability to form branching, filamentous structures resembling fungi in infected tissues. Actinomyces species are typically found in the normal flora of …

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Streptococcus oralis:Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Streptococcus oralis colony morphology on MacConkey agar

Introduction Streptococcus oralis is a gram-positive bacterium that belongs to the genus Streptococcus. It is a commensal bacterium that commonly inhabits the human oral cavity, along with other oral streptococci. S. oralis is considered a part of the normal oral microbiota and can be found …

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