MacConkey&’s agar

MacConkey&’s agar
Agar-based medium used for isolation of bacteria from faeces etc. Contains lactose and neutral red as an indicator so that lactose fermenting bacteria will produce red-pink colonies.

Dictionary of molecular biology. 2004.

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  • 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… …   Medical dictionary

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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

  • MacConkey-Agar — Kolonien von Escherichia coli auf MacConkey Agar. MacConkey Agar ist ein Selektivnährboden zur Isolierung von gramnegativen Bakterien wie Salmonellen, Shigellen und coliformen Bakterien in Fäkalien, Nahrungsmitteln, Abwasser un …   Deutsch Wikipedia

  • 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

  • Agar plate — Infobox Laboratory equipment name = Agar plate caption = An agar plate streaked with microorganisms isolated from a deep water sponge. Individual colonies may be seen center right. acronym = other names = uses = Culturing inventor = manufacturer …   Wikipedia

  • 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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