An agar plate is a Petri dish that contains a growth medium solidified with agar, used to culture microorganisms. Sometimes selective compounds are added to influence growth, such as antibiotics.
Contamination on an agar plate
96 pinner used to perform spot assays with yeast, fungal or bacterial cells
An agar plate being viewed in an electronic colony counter
Red blood cells on an agar plate are used to diagnose infection. On the left is a positive Staphylococcus infection, on the right a positive Streptococcus culture.
Chocolate agar or chocolate blood agar is a nonselective, enriched growth medium used for isolation of pathogenic bacteria. It is a variant of the blood agar plate, containing red blood cells that hav
Agar plate
…non-hemolytic) is the term referring to a lack of hemolytic activity. BAPs also contain meat extract or yeast extract, tryptone, sodium chloride, and agar. Chocolate agar is a type of blood agar plate in which the blood cells have been lysed by heating the cells to 80 °C. It is used for growing fastidious respiratory…
Colonies of Yersinia pestis growing on chocolate agar
Chocolate agar showing Francisella tularensis colonies