Mycobacteria Ch.5

Question 1

Mycobacterium Genus Features?

Answer 1

1-Acid fast rods with waxy cell wall
2-Sensitive to UV
UV = thymine dimer.

3-Obligate aerobe
4-Unique

It’s Cell wall:

*high concentration of lipids containing long chain fatty acids called mycolic acids

*Wall makes mycobacteria highly resistant to desiccation and many chemicals (including NaOH used to kill other bacteria in sputa before neutralizing and culturing)

Question 2

Species of Medical Importance mycobacterium?

Answer 2

🔴 M. tuberculosis 🔜 M. tuberculosis complex (MTC)رح نحكي عنها
🔴 M. leprae
〰️ M. kansasii كان ساسي
〰️ avium-intracellulare
〰️ M. marinumمارينم
〰️ M. ulcerans

Question 3

Mycobacterium tuberculosis complex tybe?

Answer 3

معناها انه هدول البكتيريا بعملو TBيعني tuberculosis

1.M. tuberculosis
2.M. bovis
3.M. africanum
4.M. caprae
5.M. pinnipedi
7.M. canetti
6.M. pinnipedi