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  2. Eosin methylene blue - Wikipedia

    en.wikipedia.org/wiki/Eosin_methylene_blue

    E. coli on EMB agar. Eosin methylene blue (EMB, also known as "Levine's formulation") is a selective and differential media used for the identification of Gram-negative bacteria, [1] specifically the Enterobacteriaceae. EMB inhibits the growth of most Gram-positive bacteria. EMB is often used to confirm the presence of coliforms in a sample.

  3. Chocolate agar - Wikipedia

    en.wikipedia.org/wiki/Chocolate_agar

    Chocolate agar showing Francisella tularensis colonies Comparison of two culture media types used to grow Neisseria gonorrhoeae bacteria. Known as overgrowth, the nonselective chocolate agar medium on the left, due to its composition, allowed for the growth of organismal colonies other than those of N. gonorrhoeae, while the selective Thayer–Martin medium on the right, containing ...

  4. Agar plate - Wikipedia

    en.wikipedia.org/wiki/Agar_plate

    Contamination on an agar plate. 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. [1] 96 pinner used to perform spot assays with yeast, fungal or bacterial cells

  5. Pathogenic Escherichia coli - Wikipedia

    en.wikipedia.org/wiki/Pathogenic_Escherichia_coli

    Then, either MacConkey agar or EMB agar (or both) are inoculated with the stool. On MacConkey agar, deep red colonies are produced, as the organism is lactose-positive, and fermentation of this sugar will cause the medium's pH to drop, leading to darkening of the medium. Growth on EMB agar produces black colonies with a greenish-black metallic ...

  6. Growth medium - Wikipedia

    en.wikipedia.org/wiki/Growth_medium

    An agar plate – an example of a bacterial growth medium*: Specifically, it is a streak plate; the orange lines and dots are formed by bacterial colonies.. A growth medium or culture medium is a solid, liquid, or semi-solid designed to support the growth of a population of microorganisms or cells via the process of cell proliferation [1] or small plants like the moss Physcomitrella patens. [2]

  7. Microbiological culture - Wikipedia

    en.wikipedia.org/wiki/Microbiological_culture

    Agar plates Organisms are placed or streaked onto petri dishes Provides a solid surface for stationary growth, compact and stackable Agar based dipsticks Essentially miniature agar plates in the form of dipsticks Diagnostic purposes, can be used anywhere, cost effective, easy to use Selective and differential media

  8. VRBD agar - Wikipedia

    en.wikipedia.org/wiki/VRBD_agar

    VRDBA, VRDB Agar, or Violet Red Bile Dextrose Agar, is a microbiological growth medium. [1] It can be used in agar plates to monitor or assess bacterial growth in the laboratory, particularly the growth of Enterobacteriaceae , for which it is selective.

  9. Mannitol salt agar - Wikipedia

    en.wikipedia.org/wiki/Mannitol_salt_agar

    Mannitol salt agar or MSA is a commonly used selective and differential growth medium in microbiology. It encourages the growth of a group of certain bacteria while inhibiting the growth of others. [ 1 ]