Bacillus subtilis <ul><li>Gram + </li></ul><ul><li>Rod, chains – double-stranded helix, endospores, multiple flagella </li...
Streptococcus pyogenes <ul><li>Gram +, group A antigen </li></ul><ul><li>Round (coccus, chains) </li></ul><ul><li>“ Normal...
Rubeola Virus <ul><li>Paramyxoviridae: single-stranded (ss) RNA, enveloped sphere </li></ul><ul><li>Measles: fever (104 o ...
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Mo W 02

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  • MAY 20
  • MAY 21
  • Mo W 02

    1. 1. Bacillus subtilis <ul><li>Gram + </li></ul><ul><li>Rod, chains – double-stranded helix, endospores, multiple flagella </li></ul><ul><li>Soil habitat </li></ul><ul><li>Source of Bacitracin antibiotic, other antibiotics </li></ul><ul><li>Obligate aerobe </li></ul><ul><li>Nonpathogenic </li></ul><ul><li>Decomposer, few strains cause food rot </li></ul>
    2. 2. Streptococcus pyogenes <ul><li>Gram +, group A antigen </li></ul><ul><li>Round (coccus, chains) </li></ul><ul><li>“ Normal” nonpathogenic flora of respiratory tract </li></ul><ul><li>Facultative anaerobe </li></ul><ul><li>Pathogenic strains can cause: </li></ul><ul><ul><li>Necrotizing fasciitis, scarlet fever, impetigo, rheumatic fever </li></ul></ul><ul><li>Treated with antibiotics: penicillin, others </li></ul><ul><ul><li>Necrotizing fasciitis may also require surgical removal of infected tissues. </li></ul></ul>http://textbookofbacteriology.net/themicrobialworld/NormalFlora.html Kenneth Todar
    3. 3. Rubeola Virus <ul><li>Paramyxoviridae: single-stranded (ss) RNA, enveloped sphere </li></ul><ul><li>Measles: fever (104 o F), conjunctivitis, cough, white spots inside the cheek, rash spreading from the face to the arms and legs </li></ul><ul><li>Typically untreated, allowed to run course, lasts 7-10 days </li></ul><ul><ul><li>1/1000 suffer permanent brain damage </li></ul></ul><ul><li>Vaccination in early childhood, MMR </li></ul>http://virology-online.com/viruses/MEASLES.htm http://www.microbiologybytes.com/blog/ http://www.thisamericanlife.org/Radio_Episode.aspx?sched=1275 Stream this “radio” program (skip to minute 13) to hear about a recent measles outbreak in the US - optional

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