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  2. 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

  3. Plate count agar - Wikipedia

    en.wikipedia.org/wiki/Plate_count_agar

    The total number of living aerobic bacteria can be determined using a plate count agar which is a substrate for bacteria to grow on. The medium contains casein which provides nitrogen , carbon , amino acids , vitamins and minerals to aid in the growth of the organism.

  4. Microbiological culture - Wikipedia

    en.wikipedia.org/wiki/Microbiological_culture

    Stab cultures are similar to agar plates, but are formed by solid agar in a test tube. Bacteria is introduced via an inoculation needle or a pipette tip being stabbed into the center of the agar. Bacteria grow in the punctured area. [11] Stab cultures are most commonly used for short-term storage or shipment of cultures.

  5. Haemophilus influenzae - Wikipedia

    en.wikipedia.org/wiki/Haemophilus_influenzae

    H. influenzae will only grow on blood agar if other bacteria are present to release these factors from the red blood cells, forming 'satellite' colonies around these bacteria. For example, H. influenzae will grow in the hemolytic zone of Staphylococcus aureus on blood agar plates; the hemolysis of cells by S. aureus releases NAD which is needed ...

  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. Agar - Wikipedia

    en.wikipedia.org/wiki/Agar

    Green tea-flavored yōkan, a popular Japanese red bean jelly made from agar A blood agar plate used to culture bacteria and diagnose infection. Agar (/ ˈ eɪ ɡ ɑːr / or / ˈ ɑː ɡ ər /), or agar-agar, is a jelly-like substance consisting of polysaccharides obtained from the cell walls of some species of red algae, primarily from “ogonori” and “tengusa”.

  8. Potato dextrose agar - Wikipedia

    en.wikipedia.org/wiki/Potato_dextrose_agar

    Aspergillus sp. growing in potato dextrose agar Potato dextrose agar (BAM Media M127) and potato dextrose broth are common microbiological growth media made from potato infusion and dextrose. Potato dextrose agar (abbreviated "PDA") is the most widely used medium for growing fungi and bacteria. PDA has the capability to culture various bacteria and fungi found in the soil. This agar can be ...

  9. CNA Agar - Wikipedia

    en.wikipedia.org/wiki/CNA_Agar

    Columbia Nalidixic Acid (CNA) agar is a growth medium used for the isolation and cultivation of bacteria from clinical and non-clinical specimens. CNA agar contains antibiotics (nalidixic acid and colistin) that inhibit Gram-negative organisms, aiding in the selective isolation of Gram-positive bacteria. [1]