Gene regulation in bacteria - Translational and posttranslational regulation
14 important questions on Gene regulation in bacteria - Translational and posttranslational regulation
What kind of translational regulatory proteins act to inhibit translation?
In which 2 ways can translational initiation be inhibited when a translational repressor protein binds to the mRNA?
- The translational repressor binds to a regions where it stabilizes an mRNA secondary structure in which, for example, the Shine-Dalgarno sequence is inaccessible, and therby blocking translation.
What is a second way that gacteria regulate translation?
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Which protein is involved in osmoregulation in bacteria?
When the osmolarity is high, is the production of the ompF protein increased or decreased?
How does the micF gene inhibit the expression of the ompF gene at high osmolarity?
How is the RNA transcribed form the micF gene called, because of its binding to the ompF mRNA?
What is a common mechanism for regulating the activity of metabolic enzymes?
How does feedback inhibition work?
In feedback inhibition, the final product in a metabolic pathway inhibits an enzyme that acts early in the pathway
What is an allosteric enzyme?
When is the final product of a pathway likely to bind to an enzyme early in the pathway to inhibit its function?
What is a second strategy to control the function of proteins?
What causes the conversion from one conformation to the other?
The gene that encodes for which protein is regulated by riboswitches during transcription?
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