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Gram-negative bacteria

Gram-negative bacteria

(Science: microbiology) bacteria which lose crystal violet stain but are stained pink when treated by grams method.


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Re: Recommendations for Bacteria Detection?

I am in obtaining some idea of "bacteria density" or parts per gram. I'm not sure if it matters, but the water may be contaminated with fertilizer, soaps, etc... Is ...

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by suni40
Sat Sep 20, 2014 4:31 am
 
Forum: Microbiology
Topic: Recommendations for Bacteria Detection?
Replies: 3
Views: 790

How is Mycoplasma a gram positive bacteria

... and relatives in the phylum Firmicutes, consisting of low G+C Gram-positive bacteria such as Clostridium, Lactobacillus, and Streptococcus based on 16S rRNA gene analysis.

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by erangasts2
Thu Aug 14, 2014 12:25 am
 
Forum: Microbiology
Topic: How is Mycoplasma a gram positive bacteria
Replies: 2
Views: 3336

Recommendations for Bacteria Detection?

... to do a field test on, say, a lake or puddle, to check the number of bacteria present in the water. I'm not as interested in particular species ... am in obtaining some idea of "bacteria density" or parts per gram. I'm not sure if it matters, but the water may be contaminated with ...

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by lodestone25
Sun Jul 27, 2014 6:20 pm
 
Forum: Microbiology
Topic: Recommendations for Bacteria Detection?
Replies: 3
Views: 790

Using oxidizing agents in gram stain

... happen if I replaced iodine with another oxidizing agent during the gram staining process ? So far I know that the purpose of the iodine is to ... complex with the crystal violet in order to enable the cell wall of the bacteria to retain the dye but certainly there must be other oxidizing agents ...

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by ccBiologist
Sun Sep 22, 2013 2:44 pm
 
Forum: Microbiology
Topic: Using oxidizing agents in gram stain
Replies: 1
Views: 1434

Re: Bacteremia in humans

PS: Just realized SA is a Biosafety level 2 bacteria, so I am left with no common, Biosafety-level 1 gram positive bacteria to test! Which one should I use then?

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by trivedv
Fri May 03, 2013 7:31 am
 
Forum: Human Biology
Topic: Bacteremia in humans
Replies: 1
Views: 1489
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