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A staphylococcal infection or staph infection is an infection caused by members of the Staphylococcus genus of bacteria. These bacteria commonly inhabit the skin and nose where they are innocuous, but may enter the body through cuts or abrasions which may be nearly invisible. Once inside the body, the bacteria may spread to a number of body ...
Methicillin-resistant Staphylococcus aureus (MRSA, often pronounced / ˈ m ɜːr s ə / or / ɛ m ɑːr ɛ s eɪ /), is one of a number of greatly feared strains of S. aureus which have become resistant to most β-lactam antibiotics. For this reason, vancomycin, a glycopeptide antibiotic, is commonly used to combat MRSA. Vancomycin inhibits the ...
Staphylococcus aureus. Colorized scanning electron micrograph of a human neutrophil ingesting MRSA. Methicillin-resistant Staphylococcus aureus (MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus. MRSA is responsible for several difficult-to-treat infections in humans.
S. warneri. S. xylosus. S. Westin. Staphylococcus is a genus of Gram-positive bacteria in the family Staphylococcaceae from the order Bacillales. Under the microscope, they appear spherical (cocci), and form in grape -like clusters. Staphylococcus species are facultative anaerobic organisms (capable of growth both aerobically and anaerobically).
Although the disease is easily treatable, in severe cases boils may form inside the nostrils, which can cause cellulitis at the tip of the nose. The condition becomes serious because veins at that region of the face lead to the brain, and if bacteria spreads to the brain via these veins, the person may develop a life-threatening condition called cavernous sinus thrombosis, which is an ...
Staphylococcus epidermidis is a very hardy microorganism, consisting of nonmotile, Gram-positive cocci, arranged in grape-like clusters. It forms white, raised, cohesive colonies about 1–2 mm in diameter after overnight incubation, and is not hemolytic on blood agar. [5] It is a catalase -positive, [10] coagulase -negative, facultative ...
Staphylococcus haemolyticus. Schleifer & Kloos, 1975 [1] Staphylococcus haemolyticus is a member of the coagulase -negative staphylococci (CoNS). [2] It is part of the skin flora of humans, [3] and its largest populations are usually found at the axillae, perineum, and inguinal areas. [4] S. haemolyticus also colonizes primates and domestic ...
Frequency. 140 million (2010) [6] Impetigo is a bacterial infection that involves the superficial skin. [2] The most common presentation is yellowish crusts on the face, arms, or legs. [2] Less commonly there may be large blisters which affect the groin or armpits. [2] The lesions may be painful or itchy. [3]