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Hay bacillus

Hay bacillus --> bacillus subtilis

(Science: bacteria) bacillus subtilis is a gram-positive, rod-shaped, nonpathogenic bacterium which lives in soil.

Its genome has been widely studied and is frequently used in genetic engineering and microbiology experiments.

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Help with unknown

... typhi Shigella flexneri Shigella sonnei Proteus vulgaris Proteus mirabilis Here are the test results I ran for my unknown: It is a Gram-negative bacillus facultative anaerobe Motility + Citrate + MR - (Unsure of the MRVP results, so not using it as a reliable test) VP - Sulfur - Indole - Catalase ...

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by kayleighat
Sun Oct 20, 2013 2:43 am
Forum: Microbiology
Topic: Help with unknown
Replies: 0
Views: 3931

How to maintain sterility while preparing petri dishes

... on your plate from the air. If the contaminating colonies were identical to each other, it might suggest a spore-forming bacterium, such as some Bacillus spp. Multiple different colonies would indicate some wider problem in your working conditions. By any chance, were the contaminating colonies ...

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by biohazard
Mon Jun 24, 2013 8:56 am
Forum: Microbiology
Topic: How to maintain sterility while preparing petri dishes
Replies: 8
Views: 6478

overexpression xylanase gene

... in practical training. my supervisor given me a project to conduct. can u help me understanding this project? overexpression of xylanase gene of bacillus (mutant and wild type) into e coli 1. how can i perform this experiment? step by step if you may 2. how many type of vectors i have to use ...

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by nekonara
Thu Dec 13, 2012 6:59 am
Forum: Molecular Biology
Topic: overexpression xylanase gene
Replies: 2
Views: 2222

What bacteria could this be?

... Raised, Entire, Dark yellow, Negative for the catalase test and Negative for the oxidase test. The only possible bacterium I can think of is Bacillus subtilis. Any other ideas? Thank you.

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by jessaimeewhite
Sat Dec 08, 2012 1:34 pm
Forum: Microbiology
Topic: What bacteria could this be?
Replies: 0
Views: 1834

How does pH change during sporulation? - Help

Hi folks, I carried out an experiment where I observed sporulation in a Bacillus species. The bacteria was innoculated in this medium that contained a bunch of salts, glucose, and ammonium acetate. Every few hours or so, we were required to take the pH of the ...

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by keetner
Mon Oct 22, 2012 10:22 pm
Forum: Microbiology
Topic: How does pH change during sporulation? - Help
Replies: 2
Views: 2085
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