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Lactose-litmus agar

Lactose-litmus agar

agar made by adding 2% lactose and litmus to acid-free nutrient agar; formerly used in the identification of salmonella typhi.


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Conflicting results of Gram-Negative unknown

I think the major issue here is that the Hektoen Enteric agar is not on the flow chart that was provided. We were also not taught anything ... My Unknown papers are due tomorrow... 1. MacConkey Agar *Negative for lactose fermentation -Results: No color change in media (remained pink) 2. Eosin ...

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by Jrh21854
Sun Dec 01, 2013 8:25 pm
 
Forum: Microbiology
Topic: Conflicting results of Gram-Negative unknown
Replies: 0
Views: 1925

Re:

... "SEMI SOLID (Sloppy) Agar – Anaerobic" - This media is usually used to test motility. "ANTIBIOTIC ... + OF test: : F Gas from glucose: - Acid from sucrose: + Acid from lactose: + Acid from maltose: + Acid from mannitol: - Acid from dulcitol: ...

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by microbiologyhelp
Sun Dec 01, 2013 11:36 am
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 6
Views: 5488

URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!

... NUTRIENT BROTH CULTURE- Quite turbid, slightly cloudy, no skin NUTRIENT AGAR STREAK- Shape – Cocci, Yellow, 0.2-0.5m Glossy NUTRIENT AGAR STAB: Aerobic ... (A) ACID PRODUCTION MEDIUM YELLOW BUT NO GAS IN DURHAM TUBE – SUCROSE, LACTOSE, MALTOSE. STARCH HYDROLYSIS – NEGATIVE CITRATE UTLISISATION ...

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by microbiologyhelp
Wed Nov 20, 2013 6:09 pm
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 6
Views: 5488

Help with my unknow??

i need help with my unknown glucose -/- lactose -/- sucrose -/- SIM- all negative simmon citrate- negative catalase- positive MS- negative blood agar- alpha urease- negative

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by tweetka1
Sun Apr 28, 2013 4:58 am
 
Forum: Microbiology
Topic: Help with my unknow??
Replies: 2
Views: 1834

Re: water problem work sheet

... Presumptive Test Confirmed Test Completed Test Sample Location Gas EMB AgarLactose Fermentation Gram Reaction Lactose Fermentation + - + - + Gram negative rods - + - ...

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by nursewhitman
Fri Nov 30, 2012 12:44 am
 
Forum: Microbiology
Topic: water problem work sheet
Replies: 8
Views: 5127
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