Question

Include gram reaction and microscopic morphology; description on primary plating media and any appropriate specialized media; benchside rapid tests; biochemical tests; and any appropriate automated systems Organism. Streptococcus agalactiae

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Answer 1

Answer:

• Proteus vulgaris is a  facultative anaerobic, Gram-negative , motile, rod-shaped, found in the humans and animal intestinal tracts but also found in fecal matter, water as well as in soil responsible for causing wound infections in humans and some members of its genus also causing urinary tract infections..
• P. vulgaris can ferments glucose ans produces gas but cannot ferment lactose and mannitol.

$\rightarrow$ It have several positive tests such as -

• for methyl red when studied for mixed acid fermentation test
• sulfur reduction test and gives black precipitate,
• gives positive results for indole test because produces tryptophan deaminase
• catalase-positive, produces enzyme catalase because to prevent from oxidative stress due to oxygen.

• Gram staining	Negative (-)
  Motility	Positive (+)
  Methyl Red	Positive (+)
  Indole	Positive (+)
  Citrate	Negative (-)
  Urease	Positive (+)
  Hydrogen sulfide production	Positive (+)
  Lactose fermenter	Negative (-)
  -mannitol fermenter	Negative (-)
  glucose fermenter	Positive (+)
  Sucrose fermenter	Positive (+)
  Maltose fermenter	Positive (+)
  Oxidase	Negative (-)

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