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Methyl

methyl

(Science: chemistry) specific reference to the methyl group is made when macromolecules are modified after synthesis by enzymic addition of methyl groups. The group is transferred to nucleic acids and proteins.

See: methyl transferase and dNA methylation.


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Methylene Blue Solution use in staining variety of bacteria?

Majority of the Microbiology Laboratories do a culture work for Bacterial identification from several specimens arise from the Hospitals. Methylene Blue Solution Methylene Blue Solution (Loeffler's) is used in various procedures such as the Ziehl-Neelsen, Fite's, and Gram stain. The stain is ...

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by scytek
Sun Feb 22, 2015 9:22 am
 
Forum: General Discussion
Topic: Methylene Blue Solution use in staining variety of bacteria?
Replies: 0
Views: 268

Streptococcus sanguis??

... from maltose: + Acid from mannitol: - Acid from dulcitol: - Nitrate reduction: + Citrate utilisation: - Indole production: - H2S production: - Methyl red test: - Voges Proskauer test: - Urea hydrolysis: - Gelatin hydrolysis: -

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by microbiologyhelp
Fri Dec 20, 2013 10:08 pm
 
Forum: Microbiology
Topic: Streptococcus sanguis??
Replies: 1
Views: 3827

ID OF UNKNOWN?!?!

... from maltose: + Acid from mannitol: - Acid from dulcitol: - Nitrate reduction: + Citrate utilisation: - Indole production: - H2S production: - Methyl red test: - Voges Proskauer test: - Urea hydrolysis: - Gelatin hydrolysis: - please can someone help me ID this bacterium much thanks!

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by microbiologyhelp
Fri Dec 06, 2013 10:59 am
 
Forum: Microbiology
Topic: ID OF UNKNOWN?!?!
Replies: 6
Views: 6156

Re:

... - To what??? "HUGH AND LEIFSON’S O/F TEST: Negative" - It cannot be negative. It's either Oxidative, Fermentative, or both. "METHYL RED TEST – NEGATIIVE" - Did you re-test after additional 48HRS of incubation? Hey thanks for the reply I did further research and found ...

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by microbiologyhelp
Sun Dec 01, 2013 11:36 am
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 7
Views: 11751

URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!

... - To what??? "HUGH AND LEIFSON’S O/F TEST: Negative" - It cannot be negative. It's either Oxidative, Fermentative, or both. "METHYL RED TEST – NEGATIIVE" - Did you re-test after additional 48HRS of incubation?

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by Cat
Fri Nov 29, 2013 5:17 pm
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 7
Views: 11751
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