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  2. Acid-fastness - Wikipedia

    en.wikipedia.org/wiki/Acid-fastness

    Ziehl–Neelsen stain (classic and modified bleach types) [5]; Kinyoun stain; For color blind people (or in backgrounds where detecting red bacteria is difficult), Victoria blue can be substituted for carbol fuchsin and picric acid can be used as the counter stain instead of methylene blue, and the rest of the Kinyoun technique can be used.

  3. Mycobacterium fortuitum - Wikipedia

    en.wikipedia.org/wiki/Mycobacterium_fortuitum

    Gram-positive, nonmotile and acid-fast rods (1-3 μm x 0.2-0.4 μm). Sometimes long rods with occasional beaded or swollen cells having non-acid-fast ovoid bodies at one end. Colony characteristics. Smooth hemispheric colonies, usually off-white or cream colored. May be butyrous, waxy, multilobate and even rosette clustered (dilute inocula).

  4. Nocardia - Wikipedia

    en.wikipedia.org/wiki/Nocardia

    The genus is acid-fast to some degree, it stains only weakly Gram positive. The most common form of human nocardial disease is a slowly progressive pneumonia, the common symptoms of which include cough, dyspnea (shortness of breath), and fever. It is not uncommon for this infection to spread to the pleura or chest wall.

  5. Mycobacteroides abscessus - Wikipedia

    en.wikipedia.org/wiki/Mycobacteroides_abscessus

    Mycobacteroides abscessus cells are Gram-positive, nonmotile, acid-fast rods about 1.0–2.5 μm long by 0.5 μm wide. They may form colonies on Löwenstein–Jensen medium that appear smooth or rough, white or greyish, and nonphotochromogenic. [citation needed]

  6. Mycobacterium - Wikipedia

    en.wikipedia.org/wiki/Mycobacterium

    Mycobacterium is a genus of over 190 species in the phylum Actinomycetota, assigned its own family, Mycobacteriaceae.This genus includes pathogens known to cause serious diseases in mammals, including tuberculosis (M. tuberculosis) and leprosy in humans.

  7. Mycobacterium phlei - Wikipedia

    en.wikipedia.org/wiki/Mycobacterium_phlei

    Mycobacterium phlei is a species of acid-fast bacteria in the genus Mycobacterium. [1] It is characterized as one of the fast-growing mycobacteria. M. phlei has only occasionally been isolated in human infections, and patients infected with M. phlei generally respond well to anti-mycobacterial therapy. M. phlei has an unusually high GC-content ...

  8. Mycobacterium avium complex - Wikipedia

    en.wikipedia.org/wiki/Mycobacterium_avium_complex

    These bacteria cause Mycobacterium avium-intracellulare infections or Mycobacterium avium complex infections in humans. [2] These bacteria are common and are found in fresh and salt water, in household dust and in soil. [3] MAC bacteria usually cause infection in those who are immunocompromised or those with severe lung disease.

  9. Ziehl–Neelsen stain - Wikipedia

    en.wikipedia.org/wiki/Ziehl–Neelsen_stain

    After the Ziehl-Neelsen staining procedure using carbol fuchsin, acid-fast bacteria are observable as vivid red or pink rods set against a blue or green background, depending on the specific counterstain used, such as methylene blue or malachite green, respectively. Non-acid-fast bacteria and other cellular structures will be colored by the ...