Sentences with phrase «tryptophanase operon»

Rather than jamming the operon, the relevant genes were copied and placed within the reach of a genetic switch which turned them on.

Vocabularies proliferate as repressor genes, corepressors and aporepressors, modifier and switch genes, operator genes that activate other genes, cistrons and operons that constitute subsystems of interacting genes — even genes that regulate the rate of mutation in other genes — are invoked.

Expression of the Escherichia coli tryptophanase operon depends on ribosome stalling during translation of the upstream TnaC leader peptide, a process for which interactions between the TnaC nascent chain and the ribosomal exit tunnel are critical.

As a grad student, I once spent 2 months demonstrating that three particular amino acids on a protein in the arabinose operon (the group of genes that allows bacteria to metabolize a certain sugar) do not play a role in causing that protein to bind to other copies of itself.

Now, if you have any questions about the bacterial arabinose operon, we've got your guy.»

An operon is a cluster of structural genes found in bacteria that are expressed and regulated as a unit.

To deduce the role of the Pap operon proteins on cellular function, the researchers performed a «knockout» of the entire operon.

The operator is a segment of DNA that regulates the activity of the structural genes of the operon, somewhat like an on / off switch.

It consists of a promoter and an operator; a promoter is the region of the operon that acts as an initial binding site during gene transcription.

Operons, a distinctive feature of C. elegans, are highly conserved in C. briggsae, with the arrangement of genes being preserved in 96 % of cases.

fad genes, the actP - acs operon, and putative sialic acid uptake and metabolism genes (t1787 - t1790) were upregulated in all strains following bile exposure, which may represent adaptation to the small intestine environment.

In E. coli, the four ribosomal proteins of the alpha operon are translationally repressed by ribosomal protein S4, one of the proteins encoded in the operon.

WH8102 and B. burgdorferi, rpsD, encoding S4, maps outside of the operon, suggesting a different mechanism of regulation.