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18 Cards in this Set
- Front
- Back
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generation time (time it takes to double) ecoli tubercle bacilli lepra bacilli |
ecoli-- 20 minutes tubercle bacilli - 20hrs lepra bacilli- 20 days |
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bacteria has 4 growth cycle explain
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lag phase: vigorous metabolic activity occur, cells do not divide, log phase: cell division occurs. lactam drugs such as penicillin act during dis phase cos d drug are effective when cells r making peptidoglycan( ie when they are dividing) stationary: nutrient is down, slow growth, number of new cell= # of cell that die death phase |
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go through bacteria calculation in ur note
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done
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in aerobic growth oxygen act as eg is M. tuberculosis |
the hydrogen acceptor in the final steps of energy production catalyzed by flavoproteins and cytochromes |
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bacteria require 2 enzyme to utilize oxygen
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superoxide dis-mutase and catalase to generate hydrogen peroxide and free radical superoxide |
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obligate anaerobes such as
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clostridium tetani. they cannot grow in the presence of oxygen cos they lack superoxide dismutase or catalase |
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corynebacterium medium is
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loeffler's coagulated serum medium(S) tellurite agar (D) |
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enteric bacteria
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EOSIN METHYLENE BLUE (D) MAC CONKEYS (D) |
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ENTERIC PATHOGENS
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hektoen enteric agar (D) xylose-lysine- deoxycholate agar |
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vibrio cholera
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TCBS (thiosulfate citrate bile salts sucrose agar) (S)
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legionnela
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charcoal yeast extract agar(CYE agar) (S) |
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myobacterium
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lowstein Jensen medium (s)
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niesseria from normal sterile sites , heamophilus
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chocolate agar
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Neisseria from site with normal flora
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Thayer-martin selective medium (S)
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haemophilus(influenza and aegypticus require both)
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X (protoporphrin) and V (NAD)
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NEISSERIA MENINGITIDIS
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FERMENTS MALTOSE
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PSEUDOMONAS AERUGINOSA
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PRODUCE metabolites that enter kreb cycle by other process other than fermentation, such as the deamination of amino acids
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siderophores
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are iron binding protein produced by bacteria eg enterobactin produced by ecoli |
