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Bacterial Survey Addendum Gram Positive Cocci
Where do gram positive cocci reside?
found in soil, on skin, mucous membranes and skin glands
Examples of Gram positive cocci
causes toxic shock syndrome
What is Toxic shock syndrome
a common form of food poisoning and skin boils
What color pigment does S. aureus produce when grown on blood agar
White colonies. Normal flora of the skin and an opportunistic pathogen.
cells usually arranged in pairs. Causes pneumonia
Causes peripheral fever, strep throat, rheumatic fever and scarlet fever.
exoenzymes that breakdown red blood cells
what is alpha hemolysis
partial breakdown of RBC's causes blood agar to turn greenish tan
What is beta hemolysis
total breakdown of RBC's causes blood agar to clear
What bacteria may have alpha hemolyis, beta hemolysis, and be pathogenic
Usually nonpathogenic. Several species produce red, yellow and orange pigments
Which bacteria will produce white colonies in gram positive cocci?
Normal flora of sinus and mucous membranes
Produces a pale yellow pigment when grown on blood agar for gram positive cocci