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Oxo-

oxo-

(Science: prefix) Prefix denoting addition of oxygen; used in place of keto-in systematic nomenclature.

See: hydroxy-, oxa-, oxy-.


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Which conditions promote QS in Pseudomonas aeruginosa?

Hi everybody, As most of you who had experience with Pseudomonas aeruginosa know, P.a. produce two major types of AHLs: 3-oxo-C12-HSL, and C4-HSL. However, I wonder whether the bacteria would secrete these AHLs while growing as planktonic cells in LB broth (or any other kind of broth)? ...

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by greenbear
Fri Jan 15, 2010 11:14 am
 
Forum: Microbiology
Topic: Which conditions promote QS in Pseudomonas aeruginosa?
Replies: 1
Views: 1038

PCR of degraded DNA

... that block PCR (e.g. apurinic/apyrimidinic sites, thymine dimers, nicks and gaps) and those that are mutagenic (e.g. deaminated cytosine and 8-oxo-guanine)" In my opinion, he was talking about a little more severe damage, like broken down DNA And that won't this mix fix ;) And that also ...

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by JackBean
Thu Nov 19, 2009 4:32 am
 
Forum: Genetics
Topic: PCR of degraded DNA
Replies: 5
Views: 4205

The Fiber Disease

... bacterial signals can modulate expression of eukaryotic genes or vice versa in cross-kingdom communication. One of the AIs of P. aeruginosa (3-oxo-C12-HSL) has immunomodulatory activity, and it can downregulate tumor necrosis factor alpha and interleukin-12 production in leukocytes (81) and ...

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by Skytroll
Sat Sep 09, 2006 7:11 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5481999

The Fiber Disease

... composed of the ligand- and DNA-binding domains of the bacterial quorum sensor TraR (Figure 2). When transfected in HeLa cells supplemented with 3-oxo-C 8 -HSL, the system induced expression of the reporter molecule SEAP (secreted alkaline phosphatase). The system was three orders of magnitude ...

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by Nadas Moksha
Tue Sep 05, 2006 9:33 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5481999


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