BIOL 4376 Lecture Notes - Lecture 9: Antibody, Peptide, Pus

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21 Jun 2020
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Macconkey agar: selective for lactose fermenting gram(-) bacteria, turns colonies pink when ph drops due to the dye (contains: bile salts, peptones, antibiotics for gram(+),neutral red dye, crystal violet dye) Most metbolically diverse (identifiable by cultural and biochemical media) Virulence: antigenic structures (capsular slime layer, flagellar antigens, lps cell wall/o antigen lps endotoxin infection (fever, leukopenia, activation of blood coagulation factors) active in bactermia) Klebsiella: carbapenems, nosocomial (utis, pneumonia), gi & respiratory flora, esbl, kpc. , m, distinct polysacharide capsule, antibiotic resistance- lactames and. Shigella: m l, primary intestinal pathogen, closely related to e. coli, not friendly, highly communicable (<100 bacteria), closely realted to e. coli biochemically and antigenically, rapid multiplication (<12 hrs)& colonization(1-4 days), transmitted through food, water, hands, surfaces. Infections: bacteria dysentry (short incubation, fever, pain, watery diarrhea, rectal spasms, pain with bowel movement, mucus+blood+pus in stool,dehydration (infants & elderly), si ileum li) rx: antibiotics for at risk population.

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