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

Introduction Prevotella is a genus of Gram-negative, anaerobic bacteria commonly found in the human oral and gut microbiota. These bacteria have been the focus of numerous studies due to their association with both health and disease in humans. Here’s a brief introduction: Morphology The morphology …

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Moraxella catarrhalis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram negative cocci in pairs (diplococci) of Moraxella catarrhalis in Gram staining of culture microscopy at a magnification

Introduction Moraxella catarrhalis is a Gram-negative, aerobic bacterium that belongs to the Moraxellaceae family. It is a non-motile, non-spore-forming bacterium, and it is typically found in the upper respiratory tract of humans as a commensal organism. Though generally considered a commensal, M. catarrhalis can also …

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

Optochin sensitive Streptococcus pneumoniae

Introduction Streptococcus pneumoniae, commonly known as pneumococcus, is a bacterium that can cause a wide range of infections in humans. It is one of the most significant pathogens responsible for various diseases, particularly pneumonia, meningitis, and otitis media (middle ear infections). Characteristics: Transmission: Diseases caused …

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Candida parapsilosis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Candida parapsilosis growth on Candida CHROMagar

Introduction Candida parapsilosis is a species of yeast that belongs to the Candida genus, which includes various fungi commonly found in the environment and on the human body. Candida species are part of the normal human microbiota, residing on the skin, mucous membranes, and gastrointestinal …

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

Scedosporium colony morphology on Sabouraud dextrose agar (SDA) of clinical specimen, pus culture

Introduction Scedosporium is a genus of fungi that belongs to the phylum Ascomycota. It is a medically important group of molds known for their ability to cause a wide range of infections in humans. The genus was first described in 1913 by Paul Vuillemin and …

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Quorum Sensing: Introduction, Its Role in Virulence, and Possibilities for Its Control, and Keynotes

Another organism responsible for quorum sensing- Staphylococcus aureus and its growth on blood agar of clinical specimen, pus

Introduction Quorum sensing (QS) is a sophisticated cell-to-cell communication system used by bacteria to coordinate group behaviors based on the population density. It enables bacterial cells to communicate and synchronize their activities by detecting and responding to small signaling molecules called autoinducers. In quorum sensing, …

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Biofilm: Introduction, Composition, Application, and Keynotes

Biofilm- Introduction, Composition, Application, and Keynotes

Introduction Biofilm refers to a complex community of microorganisms, such as bacteria, fungi, or algae, that adhere to surfaces and are encased within a self-produced matrix of extracellular polymeric substances (EPS). These microorganisms form a structured, organized, and protective community within the biofilm. Key points …

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