In at least one case, IS elements activate an operon during starvation only if the substrate for that operon is present in the environment. (emphasis mine).    From Wordnik.com.  [Behe's Test] Reference

Xia L, Zuber P (1991) Transcription initiation region of the srfA operon which is controlled by the comP-comA signal transduction system in.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Did you manage to get through freshman biology class without hearing of the lac operon?.    From Wordnik.com.  [Science Friday tomorrow -- Monkey Girl, Flock of Dodos - The Panda's Thumb] Reference

Who cares about mutating one gene when you can require an entire operon without any work yourself?.    From Wordnik.com.  [Browsing the Latest Issue of Scientific American] Reference

Iino 1995 Functional analysis of the flagellar genes in the fliD operon of Salmonella typhimurium.    From Wordnik.com.  [Flagellum evolution -- how's your German? - The Panda's Thumb] Reference

That is true to an extent, but you might as well argue that so is any operon/response regulator system.    From Wordnik.com.  [Browsing the Latest Issue of Scientific American] Reference

We illustrate the use of this procedure by using it to analyze the lac operon and the gene for cytochrome c.    From Wordnik.com.  [Shannon Information and Biological Fitness - The Panda's Thumb] Reference

August 21, 2009 at 10:35 am did enny-wun notiss dat turdul wuz frum eurofins mwg/operon? he yewzd tu haz a cape….    From Wordnik.com.  [*sigh* Iz bored - Lolcats 'n' Funny Pictures of Cats - I Can Has Cheezburger?] Reference

This is a figure again taken from that biochemistry textbook by Voet and Voet discussing a system called the lac operon.    From Wordnik.com.  [Coopting cooption - The Panda's Thumb] Reference

Jacques Monod had published their famous work on the lac operon and I figured that gene regulation was pretty well understood.    From Wordnik.com.  [Leland H. Hartwell - Autobiography] Reference

That said, here is a little background for the interested: Gene regulatory networks, - the basics, and the classical lac operon.    From Wordnik.com.  [It's not just the genes, it's the links between them - The Panda's Thumb] Reference

Northern blot analyses revealed that the pst operon.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

When operating normally, what does the Lac operon do?.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

Borrelia burgdorferi oligopeptide permeases (opp) operon.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Vibrio fischeri lux operon responsive to exogenously added.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

Recently, mce1 operon was found to extend over 13 genes, fadD5.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

Jacques Monod shared a Nobel Prize for his work on the lac operon.    From Wordnik.com.  [WordPress.com News] Reference

SpGH38 lies on an operon that also contains the GH84 hexosaminidase.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

M. bovis BCG suggest that the opp operon encodes an oligopeptide transporter.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

The dbpBA operon is expressed at a moderate level during mammalian infection.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

The mymA operon is essential for the virulence and intracellular survival of.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Muprints lac operon demonstrate physiological control randomness vivo transposition.    From Wordnik.com.  [MyLinkVault Newest Links] Reference

M. tuberculosis, and that the Rv1280c-Rv1283c operon likely encodes a dipeptide transporter.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

However, the microarray results did not show any change in the expression of the proU operon.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

The gabD gene encodes a NADP + dependent SSADH (EC 1.2.1.24) and is located in the gab operon.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Such a multi-genic transcription unit is called an operon and are common in prokaryotic cells.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

The second operon encodes a phosphatase, an epimerase and the thiamine pyrophosphokinase (TPK).    From Wordnik.com.  [Elites TV] Reference

To test this prediction, we took advantage of the sensitivity of the lux operon to glucose levels.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

First, the insertions may lead to polar effects if the targeted gene is located in the upstream part of an operon.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

This operon is regulated by the transcription factor MglA that has been shown to regulate a number of virulence factors.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Thus, upregulation of the mymA operon might serve a two fold purpose, i.e., it can serve as a sink for the accumulated C.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Our recent studies via deletion of the 2-gene operon showed that both DbpA and DbpB are critical for the overall virulence of.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

We found that modulation of regulator activity by its operon partner can lead to overall negative feedback to result from autoactivation.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference