eosin-methylene blue agar


Also found in: Encyclopedia.

e·o·sin-meth·yl·ene blue a·gar

agar composed of peptone, lactose, and sucrose and containing eosin and methylene blue, used to select for and distinguish between lactose-fermenting and nonlactose-fermenting gram-negative bacteria. Echerichia sp. show a characteristic sheen.
Synonym(s): EMB agar

e·o·sin-meth·yl·ene blue a·gar

(ē'ō-sin-meth'i-lēn blū ā'gahr)
Agar composed of peptone, lactose, sucrose, eosin, and methylene blue; inhibits growth of most gram-positive bacteria; used thus to distinguish between lactose-fermenting and non-lactose-fermenting, gram-negative bacteria.
Mentioned in ?
References in periodicals archive ?
Standard microbiological protocols were performed without modification (Leboffe and Pierce, 2010): Simple stain, negative stain, Gram stain, endospore stain, capsule stain (Hiss Method), wet mount, aerotolerance, inoculation on eosin-methylene blue agar, catalase activity, oxidase activity (BBL DrySlide, Becton Dickinson Co.
sonnei was isolated on eosin-methylene blue agar plates.