๐”– Bobbio Scriptorium
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Shadow promoters in the F plasmid transfer operon

โœ Scribed by Fowler, Tim ;Thompson, Russell

Book ID
104726768
Publisher
Springer
Year
1986
Tongue
English
Weight
554 KB
Volume
202
Category
Article
ISSN
0026-8925

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โœฆ Synopsis

The in vivo transcription start site for PYZ, the promoter of the F plasmid transfer operon, has been located. When transcription start sites for PYZ are deleted, two additional shadow promoters, upstream of PYZ, are activated in vivo. The shadow promoters correspond to those previously identified by in vitro run-off transcription experiments. The activated shadow promoters are stimulated by TraJ protein, a positive regulator of the transfer operon.

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