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MicroStation System, MicroLog Version 4.2 - DTU Systems Biology ...

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Preparing Samples<br />

Initial culture<br />

medium<br />

Gram stain<br />

results<br />

Characterization<br />

test<br />

Characterization<br />

test<br />

Sample Preparation Process For Gram Negatives, Gram Positives, Anaerobes and Yeasts<br />

BUG + B* BUA + B BUY<br />

Gram stain and observe cell morphology<br />

Oxidase positive<br />

requires 30° C<br />

� Gram Negatives � � Gram Positives �<br />

Anaerobes<br />

�<br />

Kanamycin test for<br />

rapidly-growing, gramnegative<br />

rods<br />

Oxidase negative and<br />

TSI=K/K or K/A w<br />

Oxidase<br />

negative and<br />

TSI=A/A or<br />

K/A<br />

Requires CO2 or chocolate agar<br />

or < 1 mm colonies<br />

on BUG + B<br />

Microbe type GN-NENT GN-ENT GN-FAS GP-COCCUS-ROD,<br />

GP-COCCUS,<br />

GP-ROD<br />

Culture medium BUG + B or<br />

TSA + B<br />

BUG +B or<br />

TSA + B<br />

Temperature Typically 30º C Typically 35-<br />

37º C<br />

GP-ROD SB (spore-forming<br />

bacillus)<br />

Chocolate BUG + B BUG + M + T (8drops in<br />

3ml H2O) “+”streaking<br />

Atmosphere Air Air 6.5% CO 2 Air or 6.5% CO 2<br />

(if required)<br />

Inoculating<br />

fluid<br />

Inoculum<br />

turbidity/<br />

Turbidity<br />

standard<br />

GN/GP-IF<br />

(if A1 well is pos, add<br />

thioglycolate)<br />

52% T<br />

GN-NENT<br />

GN/GP-IF<br />

+ T (3 drops)<br />

61% T<br />

GN-ENT<br />

Section 4 � Page 18 <strong>MicroStation</strong> <strong>System</strong>/<strong>MicroLog</strong> User Guide Apr 07<br />

Yeasts<br />

�<br />

AN YT<br />

BUA + B BUY<br />

Typically 35-37º C Typically 35-37º C Typically 30º C Typically 35-37° C 26° C<br />

GN/GP-IF<br />

+ T (3 drops)<br />

20% T<br />

GP-COC & GP-<br />

ROD & GN-FAS<br />

GN/GP-IF<br />

+ T (3 drops)<br />

(if A1 well is pos,<br />

add 1 ml salicylate)<br />

20% T<br />

GP-COC & GP-ROD<br />

& GN-FAS<br />

Air ANA-H 2 free Air<br />

GN/GP-IF<br />

(NO THIO)<br />

28% T<br />

GP-ROD SB<br />

AN-IF Water<br />

MicroPlate GN2<br />

GN2 GN2<br />

GP2<br />

GP2<br />

AN<br />

YT<br />

type/<br />

µl per well<br />

150<br />

150<br />

150<br />

150<br />

150<br />

100<br />

100<br />

Incubation time<br />

(hours)<br />

4-6, 16-24 4-6, 16-24 4-6, 16-24 4-6, 16-24 4-6, 16-24 20-24 24, 48, 72<br />

*Note: Agricultural bacteria may be grown on BUG without blood.and at 30° C for enterics.<br />

ABBREVIATIONS<br />

TSI = Triple Sugar Iron Slant; A = Acid, A W = Weak Acid, K = Alkaline; BUG + B = Biolog Universal Growth Medium + blood; BUG + M = Biolog Universal Growth Medium + maltose; T = thioglycolate;<br />

%T = percent transmittance; GN-NENT = gram-negative non-enteric; GN-ENT = gram-negative enteric; GN-FAS = gram-negative fastidious; GP-COCCUS & GP-COC = gram-positive cocci; GP-ROD =<br />

gram-positive rod; GP-ROD SB = gram-positive rod, spore-forming bacillus; AN = anaerobe; YT = yeast; IF = inoculating fluid<br />

65% T<br />

AN<br />

47% T<br />

YT

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