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Snezhnost [94]
3 years ago
11

Describe the genus Staphylococcus. Include at least 5 points about the genus. Describe a step by step process of how you would d

istinguish between S. aureus and S. epidermidis if you know you are working with the 2 organisms but can't tell them apart.
Biology
1 answer:
qwelly [4]3 years ago
3 0

Answer:

<em>Staphylococcus</em> is a gram negative bacteria that belongs under family Staphylococcaceae.The name is given as their body shape is spherical(Cocci).

Explanation:

The important characters of Staphylococcus are-

  • <em>Staphylococcus </em>are facultative anaerobic organism.
  • They are spherical in shape.
  • As they are gram positive bacteria, thus the cell wall is prominant and easily stained with crystal violet and they are grown in bile salts.
  • They are capable of producing coagulase enzyme that cause blood clot.
  • These bacteria divides along two axes and thus form clump of bacteria.

Difference between <em>S. aureus</em> and <em>S.epidermis-</em>

  • <em>S. aureus</em> is round in shape where as<em> S.epidermis</em> is spherical in shape.
  • <em>S. aureus</em> is a opportunistic pathogen that cause different diseases like skin infection where as<em> S.epidermis</em> is non pathogenic bacteria.
  • <em>S. epidermis</em> form white raised cohesive colony with 1-2 mm in diameter whereas, <em>S.aureus</em> form golden yellow color colony.
  • <em>S.aureus</em> causes hemolysis when it is grown in agar plate whereas  <em>S.epidermis</em> is not hemolyse in blood agar plate.
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