Bacteria

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  1. Hfr x F-
    • Hfr serves as donors of chromosomal DNA.
    • A type of conjugation (plasmids from one bacterium to another)

    F+ plasmid can be incorporated into bacteria chromosol DNA, termed Hfr cell.

    Order of tranfer from Hfr (F+) to F- is from oriT to tra operon.
  2. Urease + organisms
    • PUNCH!
    • Proteus
    • Ureaplasma
    • Nocardia (acid-fast, causes
    • Cryptococcus (fungus, not bacteria)
    • H. Pylori
  3. Nocardia
    • Acid-Fast Staining Organism. Found in soil.
    • Causes Systemic or Pulmonary Disease, Endocarditis, Cutaneous nocarditis more common in immunocompetant hosts.
  4. sleep stages
    know them
Author
ID
126758
Card Set
Bacteria
Description
USMLE
Updated
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