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Introduction Pseudomonas aeruginosa is a Gram-negative bacterium that is widely distributed in nature and is known for its versatility and adaptability. It is an opportunistic pathogen capable of causing infections in humans, particularly in individuals with weakened immune systems or underlying medical conditions. P. aeruginosa …
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, …
Introduction Acinetobacter is a genus of Gram-negative bacteria that are commonly found in the environment, including soil, water, and healthcare settings. While some species of Acinetobacter are harmless and part of the normal flora on human skin, others can cause opportunistic infections, particularly in healthcare-associated …
Introduction Burkholderia cepacia is a species of gram-negative bacteria within the Burkholderia genus. It is a versatile and opportunistic pathogen that can cause infections in both immunocompromised and healthy individuals. B. cepacia is a significant concern, particularly in individuals with cystic fibrosis (CF) and other …
Introduction Shigella sonnei is a bacterium that is responsible for causing shigellosis, a type of bacterial infection affecting the digestive system. Shigellosis is commonly characterized by symptoms such as diarrhea, abdominal pain, fever, and occasionally, bloody stools. It is a specific serotype of the Shigella …
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 …
Introduction Citrobacter freundii is a Gram-negative bacterium belonging to the Enterobacteriaceae family. It is commonly found in the environment, including soil, water, and the intestinal tracts of humans and animals. Citrobacter freundii is an opportunistic pathogen, meaning it can cause infections in individuals with weakened …
Introduction Morganella is a genus of bacteria belonging to the family Enterobacteriaceae. The genus was named after the bacteriologist John Morgan. Morganella species are gram-negative, rod-shaped bacteria that are commonly found in the environment, including soil, water, and sewage. One species of particular interest is …