Dictionary » S » Sulfide



A compound of sulfur in which the sulfur has a valence of -2; e.g., Na2S, hgS; also, a thioether (i.e., R-S-R', such as lanthionine).

Synonym: sulfuret.

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Kindly help me fill up this. (NOCARDIA)

Biochemical test for NOCARDIA TSI: Glucose Lactose Sucrose Gas H2s SIM: Sulfide Indole Motility MR VP Sc PAD: dea Urea/ Urease LIA: Decar Dea

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by jenmae
Fri Sep 14, 2012 2:21 pm
Forum: Microbiology
Topic: Kindly help me fill up this. (NOCARDIA)
Replies: 6
Views: 3477

Please Help Identify My Unkown Bacteria!!

... minimal*, but still negative compared to the control) Neg indole Neg VP test Pos nitrate reduction ( produced nitrous acid) Pos TSI (hydrogen sulfide produced) Neg oxidase Pos catalase Neg Urea Possible bacteria I am considering, using Bergy Manual (but I could still be absolutely wrong): ...

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by KingsMomi
Tue Jul 31, 2012 3:40 am
Forum: Microbiology
Topic: Please Help Identify My Unkown Bacteria!!
Replies: 2
Views: 5010

Re: Microbiology help in identifying Gram + rod for my unknown

... Nitrate Reduction: +NO2 Catalase: positive Hydrolysis Indole: positive Starch: positive Casein: negative Urea: negative Citrate: negative Hydrogen Sulfide: negative phenylalanase: negative I got for my genus: Escherichia and my species: Fergusonii Please help me determine if I am correct? Thank ...

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by sunshineshoes
Tue Jun 26, 2012 1:02 pm
Forum: Microbiology
Topic: Microbiology help in identifying Gram + rod for my unknown
Replies: 12
Views: 10876

Re: Flaws of Life in a Tube

... prepared by Stanley Miller in 1958. For unknown reasons, Miller never analyzed these even though this is his first experiment using hydrogen sulfide. In the new research, the team analyzed samples from another variant of the experiment performed in 1958 in which Miller used carbon dioxide ...

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by Niklas
Fri Apr 13, 2012 8:44 pm
Forum: Evolution
Topic: Flaws of Life in a Tube
Replies: 41
Views: 48147

Help with unkown

... - Catalase + Oxidase - nitrate + starch hydrolysis - no amylase casein hydrolysis - Lipase + tryptophanase + urea - cysteine desulfurase hydrogen sulfide production. Citrate - phenylalanase - litmus milk - Lysine decarboxylase - I think it's Shigella flexneri, but i would love a second opinion.

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by bruserboy1
Thu Apr 05, 2012 3:48 pm
Forum: Microbiology
Topic: Help with unkown
Replies: 0
Views: 1547
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