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Nitrate Bacteria

[[Bacteria in the soil capable of oxidising [[ nitrite to [[ nitrate.

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Agriculture and Microbiology come together (Research Prjct)

... nutrients. I checked and all of them are usable by plants. Potassium Nitrate Boron Nitrite Calcium Phosphate Magnesium Powder Ammonium Phosphate ... the soil. I am still reading the book on Microbes, but I learned that Bacteria is the main thing needed. So I ordered some Petri dishes, some Agar, ...

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by Sophiahotep
Thu Nov 14, 2013 9:29 pm
Forum: Microbiology
Topic: Agriculture and Microbiology come together (Research Prjct)
Replies: 2
Views: 5880

Help with unknown

Hi, I would just like some feedback for my unknown bacteria. I think I have narrowed it down to Salmonella Enteritidis but my books ... color Mannitol and gas + Glucose and gas + Lactose - Phenylalanine - Nitrate to nitrite + Amylase - Protease for casein (Unsure) Gelatin - Urea - Thanks ...

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by kayleighat
Sun Oct 20, 2013 2:43 am
Forum: Microbiology
Topic: Help with unknown
Replies: 0
Views: 3952

Gram Positive Cocci

I am working on a biology research project to identify a bacterial organism found in a small stream. Here is the info collected so far: ... lactose? Or can it mean that it ferments sucrose instead of lactose?) Nitrate Reduction: Negative (does not break down NO) Catalase: Positive Based ...

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by lucrezia03
Wed Oct 17, 2012 11:58 pm
Forum: Microbiology
Topic: Gram Positive Cocci
Replies: 2
Views: 5406

Please Help Identify My Unkown Bacteria!!

Hello All, I am trying to identify my unkown bacteria for my Microbiology class. Below are the test result and information I ... but still negative compared to the control) Neg indole Neg VP test Pos nitrate reduction ( produced nitrous acid) Pos TSI (hydrogen sulfide produced) Neg ...

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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: 5052

What bacteria does this TSI test indicate?

... though I doubt it's Proteus anymore due to the glucose test) Glucose: negative (tube stayed same color, not change at all) Lactose: Negative Nitrate: positive Urease: negative (tube stayed same yellow color) TSI: Alkaline (red) butt with black slant. **How do I write this result by the way?? ...

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by SweetSarah
Mon Feb 27, 2012 5:46 am
Forum: Microbiology
Topic: What bacteria does this TSI test indicate?
Replies: 5
Views: 5164
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