Question

Describe the genus Staphylococcus, where they can be found in/on the human body, and 3 different types of infections associated with this organism.

2.         How does Staphylococcus avoid the immune response and cause disease? For each enzyme/protein or substance associated with this species note how it works. What is the best prevention for this group of organisms?

3.         Staphylococcus aureus is associated with many phages that are both lytic and lysogenic. What is the difference between a lytic phage and a lysogenic phage?

4.         Describe the genus Streptococcus, where it is found in/on the human body, and how it is classified.

5.         What is one of the most common clinical manifestations associated with Streptococcus pyogenes? What are 3 other types of diseases associated with Streptococcus pyogenes.

6.         Streptococcus pyogenes is associated with two clinical diseases due to cross reacting antibodies. Name the 2 diseases and explain how cross reacting antibodies are involved.

7.         What is the importance of Streptococcus pneumoniae and what pathogenic attributes does it have? Is there a vaccine for pneumonia caused by this organism and if so what type is it?

8.         What disease is associated with Bacillus anthracis and what are the transmission routes? Where is this organism found in nature? Who is most at risk for acquiring an infection?

9.         What are the Clostridia and where are they found in nature? How does Clostridium tetani cause tetanus?   What is a common name for the severe muscle spasms?

10.       Explain why someone might contract botulism from a packaged or canned good. What foods are most often associated with packaged/canned goods and why?

Answer 1

According to the HomeworkLib policy, I am only answering the first question of this post.

1. Staphylococcus is a genus of gram positive bacteria. Species under this genus mostly appears spherical and are facultative anaerobes.

They can be found in pharynx,perineum and nose of human body.

Staphylococcal bacteremia, Staphylococcal skin infection and Staphylococcal neonatal infection can be caused by the species of Staphylococcus genus.