1. Jessica San Juan Microbiology
ACNE!
Jessica San Juan
Microbiology

2. Acne Vulgaris
Acne is a skin condition characterized by whiteheads, blackheads, and inflamed red pimples or "zits."
Microorganism is Propionibacterium acnes ~ Disease is called ACNE.
Acne is follicle-associated lesions from isloated pimples to widespread acne.

3. Misconceptions
Chocolate, Nuts and other foods do not cause Acne

4. Causes Sebaceous Glands
Blockage of pores= sebum and dead cells trapped get clogged at the pores.
Overproduction of sebum through hormones (especially in males)

5. Causes continued… Acne tends to run in familes
Triggered by: greasy or oily cosmetic products.
Certain drugs like steroids, testosterone, and estrogen
High levels of Humidity and sweating

6. Causative agent Bacteria is anaerobic aerotolerant, and gram positive.
It releases enzymes, most important lipase

7. Signs and Syptoms Blackheads (plugged with dark sebum)
Crusting of skin
Cysts
Inflamation around the skin
Puss
Scarring on skin
Whiteheads (pore closed~comedo)

8. Prevention or treatment
No effective prevention
Only effective are topical agents that enhance the sloughing of skin cells
Antibiotics
Estrogen contraceptives (females)
Accutane (side effect depression)

9. Link to video of HUGE pimple

10. References Microbiology – A systems Approach-Cowan & Talaro 2006