Search results
Results From The WOW.Com Content Network
[9] [10] In humans, S. aureus is part of the normal microbiota present in the upper respiratory tract, [11] and on skin and in the gut mucosa. [12] S. aureus , along with similar species that can colonize and act symbiotically but can cause disease if they begin to take over the tissues they have colonized or invade other tissues, have been ...
The type of bacterium or fungus is identified by microscopy, colony morphology and biochemical tests of bacterial growth. If bacteria or fungi that can cause infection grow in the culture, other tests can determine which antimicrobial agent will most effectively treat the infection. This is called susceptibility or sensitivity testing.
Due to routine use of the Hib vaccine in the U.S. since 1990, the incidence of invasive Hib disease has decreased to 1.3/100,000 in children. [51] However, Hib remains a major cause of lower respiratory tract infections in infants and children in developing countries where the vaccine is not widely used.
Burkholderia cepacia complex Scientific classification Domain: Bacteria Phylum: Pseudomonadota Class: Betaproteobacteria Order: Burkholderiales Family: Burkholderiaceae Genus: Burkholderia Species complex: B. cepacia complex Burkholderia cepacia complex (BCC) is a species complex consisting of Burkholderia cepacia and at least 20 different biochemically similar species of Gram-negative ...
The term mycoplasma (mykes meaning fungus, and plasma, meaning formed) is derived from the fungal-like growth of some mycoplasma species. [6] The mycoplasmas were classified as Mollicutes (“mollis”, meaning soft and “cutis”, meaning skin) in 1960 due to their small size and genome, lack of cell wall, low G+C content and unusual nutritional needs.
Specimens obtained from wounds and subcutaneous tissue infections and abscesses in the rectal area (perirectal abscess, decubitus ulcer) or that are of gut flora origin(i.e. diabetic foot infection) often to yield colonic flora organisms. [40] These are generally B. fragilis group, Clostridium spp., Enterobacteriaceae and Enterococcus spp. On ...
Hemolysis is detected on human blood agar plates, and routine plating of specimens suspected of containing A. haemolyticum on human blood agar is suggested to distinguish it from Streptococcus pyogenes, as A. haemolyticum can easily be confused with this organism.
Streptococcus pneumoniae resides asymptomatically in healthy carriers typically colonizing the respiratory tract, sinuses, and nasal cavity. However, in susceptible individuals with weaker immune systems , such as the elderly and young children, the bacterium may become pathogenic and spread to other locations to cause disease.