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Staphylococcus epidermidis is a Gram-positive bacterium, and one of over 40 species belonging to the genus Staphylococcus. [1] It is part of the normal human microbiota , typically the skin microbiota , and less commonly the mucosal microbiota and also found in marine sponges.
S. epidermidis, a coagulase-negative staphylococcus species, is a commensal of the skin, but can cause severe infections in immune-suppressed patients and those with central venous catheters. S. saprophyticus , another coagulase -negative species that is part of the normal vaginal flora , is predominantly implicated in uncomplicated lower ...
Staphylococcus saprophyticus was not recognized as a cause of urinary tract infections until the early 1970s, more than 10 years after its original demonstration in urine specimens. Prior to this, the presence of coagulase -negative staphylococci (CoNS) in urine specimens was dismissed as contamination.
Staphylococcus epidermidis and Staphylococcus aureus were thought from cultural based research to be dominant. However 16S ribosomal RNA research finds that while common, these species make up only 5% of skin bacteria. However, skin variety provides a rich and diverse habitat for bacteria.
Urinary tract infection is predominantly caused by bacteria. Symptoms include the strong and frequent sensation or urge to urinate, pain during urination, and urine that is cloudy. [14] The most frequent cause is Escherichia coli. Urine is typically sterile but contains a variety of salts and waste products.
Ah, January. The season of new beginnings, icy winds, and respiratory infections. With a “quad-demic” of diseases circulating the country—flu, COVID, respiratory syncytial virus (RSV), and ...
Symptoms may include fever, rash, skin peeling, and low blood pressure. [1] There may also be symptoms related to the specific underlying infection such as mastitis, osteomyelitis, necrotising fasciitis, or pneumonia. [1] TSS is typically caused by bacteria of the Streptococcus pyogenes or Staphylococcus aureus type, though others may also be ...
The bacteria, classified as Gram-negative because of their color on the Gram stain, can cause severe pneumonia and infections of the urinary tract, bloodstream, and other parts of the body. Their cell structures make them more difficult to attack with antibiotics than Gram-positive organisms like methicillin-resistant Staphylococcus aureus. In ...