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Rho-dependence of the terminator active at the end of the I region of transcription of bacteriophage f1

โœ Scribed by La Farina, Mario ;Vitale, Maria

Publisher
Springer
Year
1984
Tongue
English
Weight
546 KB
Volume
195
Category
Article
ISSN
0026-8925

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โœฆ Synopsis

Infection of rho- Escherichia coli cells with deletion mutant PII of bacteriophage f1 results in a miniphage RNA population composed of transcripts longer than those synthesized in the infection of rho+ cells. This indicates a Rho dependence of the terminator active at the end of the I region of transcription of bacteriophage f1. An estimate of the length of a transcript, which represents a good fraction of the RNA that passes beyond the terminator, indicates that the hairpin structure where synthesis of complementary strand DNA initiates also acts as a fairly efficient Rho-independent terminator.

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