Unformatted text preview: that the net effect of this proteins is to cause repression of gene function. The best way to represent this situation is to call the gene product a n nn n and to reserve the term repressor for cases in which we know that the protein actually shuts off transcription directly by binding to an operator site. Similarly, the best way to represent a gene defined by a recessive, trans-acting mutation that causes uninducible expression as a p pp p until more specific information can be obtained about whether or not the gene product directly activates transcription. The diagrams to be used are shown below....
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- Fall '10
- Microbiology, Trigraph, regulatory pathway, recessive transacting mutation, simple regulatory systems, actual repressor protein