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Staphylococcus aureus is a gram-positive spherically shaped bacterium, a member of the Bacillota, and is a usual member of the microbiota of the body, frequently found in the upper respiratory tract and on the skin. It is often positive for catalase and nitrate reduction and is a facultative anaerobe, meaning that it can grow without oxygen. [1]
Staphylococcus scalded skin syndrome – Staphylococcus scalded skin syndrome is caused by toxins produced when a staph infection gets too severe. It is characterized by a fever, rash, and blisters. Methicillin-resistant Staphylococcus aureus (MRSA) – MRSA is one of the most common antibiotic-resistant strains of staph bacteria. It is more ...
S. aureus bacteria can live on the skin which is one of the primary modes of transmission. S. aureus can cause a range of illnesses from minor skin infections to Staphylococcus aureus food poisoning enteritis. Since humans are the primary source, cross-contamination is the most common way the microorganism is introduced into foods. Foods at ...
Staphylococcus aureus is the most common cause of healthcare-associated bacteremia in North and South America and is also an important cause of community-acquired bacteremia. [14] Skin ulceration or wounds, respiratory tract infections, and IV drug use are the most important causes of community-acquired staph aureus bacteremia.
Staphylococcus species are facultative anaerobes (capable of growth both aerobically and anaerobically). [15] All species grow in the presence of bile salts. All species of Staphylococcus aureus were once thought to be coagulase-positive, but this has since been disproven. [16] [17] [18] Growth can also occur in a 6.5% NaCl solution. [15]
Viruses are among the biggest threats to humanity, with the current pandemic showing how these pathogens can shut down countries, halt entire industries and cause untold human suffering as they ...
More than an estimated 30% of the world population is colonized by Staphylococcus aureus, a microorganism capable of causing skin infections, nosocomial infections, and food poisoning due to its tropism for human skin and soft tissue. [18] The S. aureus clonal complex CC121 is known to exhibit multi-host tropism for both humans and rabbits. [19]
The pathogen methicillin-resistant Staphylococcus aureus is a member of this family. The most famous species in this family is Staphylococcus aureus, usually found in the skin microbiota. Staphylococcus aureus is the pathogenic bacteria with the highest global mortality in 2019, with approximatively 1.1 million deaths. [3]