Operators and promoters in the OR region of phage 434

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24 Scopus citations

Abstract

The OR operator region of phage 434 contains three 14 bp blocks with sequence ACAAGA-A-TTGT which are presumed to be the 434 repressor recognition sites. Operator constitutive mutations are located in two of these blocks, while a mutation affecting repressor levels in the lysogenic state is located in the third. Two transcripts obtained in vitro, one leftwards and one rightwards, are tentatively identified as the Prm and PR transcription starts. The arrangement of the 434 operator region appears to be very similar to that of the OR of phage λ.

Original languageEnglish (US)
Pages (from-to)1495-1508
Number of pages14
JournalNucleic acids research
Volume6
Issue number4
DOIs
StatePublished - Apr 1979

All Science Journal Classification (ASJC) codes

  • Genetics

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