RexAB proteins of bacteriophage λ enhanc
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Li, B. H. ;Kwasniewski, M. ;Kirchner, J. ;Bockrath, R.
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Article
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1992
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Springer
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English
⚖ 551 KB
Expression of the lacZ gene in Escherichia coli is inactivated by exposure to ultraviolet light (UV). Inactivation is exceptionally effective when cells contain amplified levels of DNA photolyase (which forms complexes with pyrimidine dimers in the absence of light for actual photoreversal) and a la