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  2. Gram stain - Wikipedia

    en.wikipedia.org/wiki/Gram_stain

    Gram stain (Gram staining or Gram's method), is a method of staining used to classify bacterial species into two large groups: gram-positive bacteria and gram-negative bacteria. It may also be used to diagnose a fungal infection. [1] The name comes from the Danish bacteriologist Hans Christian Gram, who developed the technique in 1884. [2]

  3. Gram-positive bacteria - Wikipedia

    en.wikipedia.org/wiki/Gram-positive_bacteria

    Violet-stained gram-positive cocci and pink-stained gram-negative bacilli. In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall.

  4. Coagulase test - Wikipedia

    en.wikipedia.org/wiki/Coagulase

    A fibrin clot formed in a test tube by the coagulase reaction. The tube test uses rabbit plasma that has been inoculated with a staphylococcal colony (i.e., Gram-positive cocci which are catalase positive). The tube is then incubated at 37 °C for 1.5 hours. If negative, then incubation is continued up to 18 hours.

  5. Aerococcus urinae - Wikipedia

    en.wikipedia.org/wiki/Aerococcus_urinae

    Aerococcus urinae is a member of the bacterial genus Aerococcus.The bacterium is a Gram-positive, catalase-negative coccus growing in clusters. Isolates of this genus were originally isolated in 1953 from samples collected in the air and dust of occupied rooms and were distinguished by their tetrad cellular arrangements. [2]

  6. Granulicatella adiacens - Wikipedia

    en.wikipedia.org/wiki/Granulicatella_adiacens

    Granulicatella adiacens is a fastidious Gram-positive cocci (pairs, chains) and is part of the nutritionally variant streptococci (NVS). [2] [3] [4] Like other constituents of the NVS, it can cause bacteremia and infective endocarditis (IE), with significant morbidity and mortality.

  7. Macrococcus - Wikipedia

    en.wikipedia.org/wiki/Macrococcus

    Members of the genus Macrococcus are Gram-positive, nonmotile, non-spore-forming cocci that are coagulase negative and catalase positive. They can be distinguished phenotypically from most staphylococci on the basis of their cellular morphology (they are 2.5 – 4.0 times larger in diameter compared to Staphylococcus aureus) and their positive cytochrome c oxidase reaction.

  8. Peptostreptococcus - Wikipedia

    en.wikipedia.org/wiki/Peptostreptococcus

    Anaerobic gram-positive cocci such as Peptostreptococcus are the second most frequently recovered anaerobes and account for approximately one quarter of anaerobic isolates found. Most often anaerobic gram-positive cocci are usually recovered mixed in with other anaerobic or aerobic bacteria from various infections at different sites of the ...

  9. Finegoldia - Wikipedia

    en.wikipedia.org/wiki/Finegoldia

    Finegoldia is a genus of Gram-positive bacteria.They are anaerobic cocci of the class Clostridia, with Finegoldia magna being the type species. [1] F. magna was formerly known, along with several other Gram-positive anaerobic cocci (GPACs), as Peptostreptococcus magnus, but was moved into its own genus in 1999.