MacConkey's agar

MacConkey's agar
Mac·Con·key's agar or Mac·Con·key agar mə-'käŋ-kē(z)- n an agar culture medium containing bile salts and lactose that is used esp. to isolate coliform bacteria
MacConkey Alfred Theodore (1861-1931)
British bacteriologist. MacConkey introduced the use of an agar culture medium for the isolation of coliform bacteria in 1900. He is also known for introducing a method for staining the capsules of pneumococcus and pneumobacillus.

Medical dictionary. 2011.

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  • agar de MacConkey — un medio de cultivo utilizado para la identificación de patógenos entéricos que fermentan la lactosa, inhibiendo el crecimiento de los gérmenes Gram positivos. Las colonias de los gérmenes que fermentan la lactasa colorean el medio de rojo. El… …   Diccionario médico

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  • Sorbitol-MacConkey agar — MacConkey Sorbitol Agar is a variant of traditional MacConkey agar used in the detection of O157:H7. Traditionally, MacConkey agar has been used to distinguish those bacteria that ferment lactose from those that do not. This is important because… …   Wikipedia

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  • MacConkey agar — Mac·Con·key agar (mə kongґke) [Alfred Theodore MacConkey, English bacteriologist, 1861–1931] see under culture medium …   Medical dictionary

  • agar — A complex polysaccharide (a sulfated galactan) derived from seaweed (various red algae); used as a solidifying agent in culture media; it has the valuable property of melting at 100°C, but not solidifying until 49°C. [Bengalese] bile salt a. an a …   Medical dictionary

  • MacConkey agar — an agar medium containing peptone, lactose bile salts, sodium chloride, neutral red, and crystal violet, used to differentiate lactose fermenters (coliforms) from non–lactose fermenters among the enteric bacilli. Called also MC a …   Medical dictionary

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