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Tetracycline

tetracycline

(Science: drug) broad spectrum antibiotic that blocks binding of aminoacyl tRNA to the ribosomes of both gram-positive and gram-negative organisms (and those of organelles). Produced by streptomyces aureofasciens.

Other exaples include tetracycline, demeclocycline and doxycycline.


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Re: Theories - Origin of Life

... Page 243 has this to say. Resistance to tetracycline may be mediated by one of three different mechanism: (I) an energy-dependant efflux of tetracyclines carried out by by transmembrane spanning ...

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by scottie
Fri Aug 17, 2012 3:46 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 534491

Porin-deficient mutant

Now suppose that the porin actually transports more than one substance - say, it can act on succinic acid as well as tetracycline. How might you figure out whether the porin is working or not? :)

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by AstraSequi
Wed Apr 11, 2012 2:37 am
 
Forum: Microbiology
Topic: Porin-deficient mutant
Replies: 4
Views: 1258

Porin-deficient mutant

:?: Some bacteria become resistant to tetracycline because they don't make porins. Why can a porin-deficient mutant be detected by its inability to grow on a medium containing a single carbon source such as succinic acid?

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by Layd33foxx
Fri Apr 06, 2012 5:26 am
 
Forum: Microbiology
Topic: Porin-deficient mutant
Replies: 4
Views: 1258

Re:

Think tetracycline fluoresces - rather than reflects UV. I have learned something. I thought they were the same, but the former means it knocks it down a wave-length. I mean the former, but I was ignorant of the correct phrase, ...

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by JoshuaFlynn
Sat Mar 17, 2012 3:59 pm
 
Forum: Human Biology
Topic: UV Reflective Staining
Replies: 9
Views: 2030

UV Reflective Staining

Think tetracycline fluoresces - rather than reflects UV.

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by JorgeLobo
Fri Mar 16, 2012 7:19 pm
 
Forum: Human Biology
Topic: UV Reflective Staining
Replies: 9
Views: 2030
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