Dictionary » R » Regulator



noun, plural: regulators

(general) A substance or process that regulates or controls another, as in a growth regulator that regulates the growth of an organism.

(genetics) A regulatory gene.


In genetics, a regulator pertains to a gene that codes for substances capable of repressing expression of another gene.

Also called: regulatory gene or regulator gene.

See also: gene regulation.

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protein fractionation

Hi all I work on an uropathogenic strain of E.coli. When I artificially express from a plasmid one of the transcriptional regulator, it results in secretion of a protein factor in the media, which has interesting biological roles. My aim is to purify this unknown factor present in the ...

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by salmonela
Thu May 09, 2013 11:17 am
Forum: Microbiology
Topic: protein fractionation
Replies: 4
Views: 3654

Sequence analysis

... of comparison has, the fewer gaps and the higher the score. Scores are reduced by mismatches and gaps in the best alignment. The apoptosis Bcl-2 regulator in chickens appeared to have the highest score and is thus the best ns5 protein match. Why does the bcl2 protein in chicken have similar amino ...

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by TToe
Wed Nov 21, 2012 5:22 pm
Forum: Genetics
Topic: Sequence analysis
Replies: 1
Views: 1248

Cystic Fibrosis Transmembrane Conductance Regulator

I'm having some trouble with the following multiple choice question: 16) What is the evidence that the Cystic Fibrosis Transmembrane conductance Regulator (CFTR) gene is defective in individuals with Cystic Fibrosis (apart from the name): a) The CFTR gene has a phenylalanine codon deletion in ...

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by abery
Fri Apr 08, 2011 8:27 pm
Forum: Genetics
Topic: Cystic Fibrosis Transmembrane Conductance Regulator
Replies: 1
Views: 1951

Re: HEK293 cells fractionation

hi hello everyone i am new . i want to say about HEK293 cells fractionation. The cell polarity regulator, human Scribble (hScrib), is a potential tumour suppressor whose loss is a frequent event in late-stage cancer development. hese results provide a clear mechanistic ...

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by harrygail87
Wed Dec 22, 2010 11:55 am
Forum: Cell Biology
Topic: HEK293 cells fractionation
Replies: 1
Views: 2398

Re: Cell culture - no CO2

... appropriate forum. My problem is that I came into the lab today to find that our incubator's CO2 cylinder had emptied over the weekend (faulty regulator) and - amazingly - even though I reside in a chemistry department, no-one else uses CO2 except another group who do cell work but their only ...

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by biohazard
Tue Aug 24, 2010 8:15 am
Forum: Cell Biology
Topic: Cell culture - no CO2
Replies: 10
Views: 24262
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