Bordetella pertussis- An Overview

Bordetella pertussis

What is Bordetella pertussis? Bordetella pertussis is a pathogenic Gram-negative aerobic bacterium that is the causative agent of the disease pertussis or whooping cough. B. pertussis is the type species of Bordetella that consists of minute mesophilic coccobacillus that facilitates … Read more

Gram-positive cell wall

Gram-positive cell wall

Prokaryotic cells almost always are bounded by a fairly rigid and chemically complex structure present between the cell membrane and capsule/slime layer called the cell wall. Peptidoglycan is the main component of the cell wall and is responsible for the … Read more

Collection and transport of stool specimens

Collection and transport of stool specimens

Faecal specimens should be collected in the early stages of the diarrhoeal disease, when pathogens are present in the highest number, and preferably before antimicrobial treatment is started, if appropriate. The specimen should be collected in the morning to reach … Read more

Pseudomonas aeruginosa- An Overview

Pseudomonas aeruginosa

What is Pseudomonas aeruginosa? Pseudomonas aeruginosa is an aerobic microorganism that is a motile, Gram-negative rod-shaped bacteria distributed throughout different habitats in the world. It has an absolute aerobic metabolism and thus, gives a positive oxidase reaction. P. aeruginosa is … Read more

Normal Human Microbiota

Normal Human Microbiota

Through normal everyday activities, the human body is exposed to microorganisms in the environment. Hundreds of species and countless individual microbial cells, collectively called the normal microflora, grow on or in the human body. This is the human microbiome, the … Read more