Quote of the day: “I haven’t slept with anybody. I’m as pure as the driven snow.”
RANDOM
Lab test a week from Monday the 26th
Know the nitrogen cycle for the final
Microbes in the News
5 bonus points for going to a presentation this week about AIDS. Give him single page of what we learned – due next Monday Dec. 3.
- LECTURE
- Quick overview of handout from 11/26 “A STUDY GUIDE FOR MICROBIAL PAHTOGENS”
- • Streptococcus pyogenes – strep throat. Sometimes called acute pharyngitis. Rheumatic heart disease or rheumatic fever. Gram positive cocci in chains. Beta hemalitic
- • Puerperal fever – Semmelweis and Holmes
- • Food Borne and Water Borne
- • Botulism is food borne
- • Shigella dysenteriae is water
- • Vibrio cholerae – water
- • Soil Borne and Arthropod borne
- • Clostridium tetani – spores
- • Borrelia burgdorferi – lyme, tics
- • STD’s
- • Chlamydia
- • Clostridium difficile – pseudo membranous colitis. Overdose of oral antibiotics. All good guys in gut die and this organism takes over
- • VIRAL
- • Rhinoviruses - cold
- • VZV – shingles
- • FUNGAL DISEASES
- • Pneumocystis carinii pneumonia PCP. → It’s a fungus.
- • Other handout from 11/27/07 “Infection and Disease”
- • Incubation period: time between exposure and first symptoms
- o staphylococcal food poisoning has a short incubation period – 1-7hrs
- o long incubation period – leprosy, AIDS
- o streptococcal sore throat – 2-5days
- • commonly reported diseases
- o chlamydia
- o gonorrhea
- o salmonellosis
- o AIDS
- o Pertussis
- o Varicella – chicken pox
- o Lyme
- o Giardiasis
- o Shigellosis
- o TB
- • Infectious diseases summary on page 5 on handout from 11/26 “Infection and Disease” Page labeled → “Summary of Events in the Transmission of Disease”
- • Definitions p 2 of handout 11/26 “Infection and Disease”
- o Bacteremia – bacteria in the blood. Flossing can give you this if you break capillaries with the floss → Strep mutans
- o Carrier – typhoid mary, patient 0 (history of AIDS)
- o Disease – (look up in glossary). Tell diseases apart by symptoms.
- o Endemic – low number but constant. Gonorrhea is an example.
- o Endotoxin – Gram (-) organisms have it. Part of the cell wall.
- o Enteropathogenic – causes problems in the intestine.
- o Enterotoxin – has to do with the gut, intestine → diarrhea
- o Epidemic – high number of cases. Example AIDS in Africa.
- o Etiology – a.k.a. cause. Salmonella typhi → typhoid fever
- o Exotoxin – toxin made inside the cell and then secreted
- • Clostridium tetani – locks your jaw
- • Clistridium botulinum – atoxin
- • Corinii bacterium diphtheria – unique cellular arrangement
- o Infection – something an organism causes. Localized infection (in one place) or systemic infections. Example of opportunistic → Candida albicans (doesn’t get started till something else happens) yeast infection.
- o Nosocomial disease – from the hospital
- o Pathogen – any organisms that can cause disease. Some are extremely virulent (doesn’t take many organisms to cause infection). Some are opportunistic and need many more organisms to cause and problems.
- o Toxemia – toxins in the blood
- o Toxoid – detoxified toxin. Example: used primarily in vaccines.
- • Dpt vaccines; diphtheria and tetanus are both toxoids. They are given to us so that we will form antibodies against those organisms in case we ever see them. (fyi: “p” is for purtussis)
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