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    Effects of palindromes on in vivo DNA replication and mutagenesis in bacteriophage phi X174 RF DNA.

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    Author
    Muller, Uwe R.; Perkins, Barbara K.; Williams, W. Lee
    Abstract
    Bacteriophage IX174 mutants with insertions of palindromic DNA sequences are rapidly outgrown by competing wild-type phage (Muller & Turnage, J. Mol. Biol. 189: 285). The basis for this defect was investigated and found to be due to an exclusion event early in the infectious cycle, in which phage genomes with palindromic inserts were preferentially excluded by wt phage. In addition, we have obtained further evidence for a palindrome induced genetic instability. Both defects are dependent on palindrome size and sequence, consistent with a model which involves formation of cruciforms, or cruciform-like structures. We propose that formation of unusual DNA secondary structures reduces the effectiveness of replicative form (RF) DNA to interact with limiting replication factors or membrane binding sites, possibly because of interaction with the host recombination system. Originally published Nucleic Acids Research, Vol. 16, No. 22, Nov 1988
    URI
    http://hdl.handle.net/10342/3361
    Subject
     Palindromic DNA sequence; Phage genome; Cruciforms 
    Date
    1988-11-25
    Citation:
    APA:
    Muller, Uwe R., & Perkins, Barbara K., & Williams, W. Lee. (November 1988). Effects of palindromes on in vivo DNA replication and mutagenesis in bacteriophage phi X174 RF DNA.. Nucleic Acids Research, 16(22), 10733- 10750. Retrieved from http://hdl.handle.net/10342/3361

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Muller, Uwe R., and Perkins, Barbara K., and Williams, W. Lee. "Effects of palindromes on in vivo DNA replication and mutagenesis in bacteriophage phi X174 RF DNA.". Nucleic Acids Research. 16:22. (10733-10750), November 1988. October 03, 2023. http://hdl.handle.net/10342/3361.
    Chicago:
    Muller, Uwe R. and Perkins, Barbara K. and Williams, W. Lee, "Effects of palindromes on in vivo DNA replication and mutagenesis in bacteriophage phi X174 RF DNA.," Nucleic Acids Research 16, no. 22 (November 1988), http://hdl.handle.net/10342/3361 (accessed October 03, 2023).
    AMA:
    Muller, Uwe R., Perkins, Barbara K., Williams, W. Lee. Effects of palindromes on in vivo DNA replication and mutagenesis in bacteriophage phi X174 RF DNA.. Nucleic Acids Research. November 1988; 16(22): 10733-10750. http://hdl.handle.net/10342/3361. Accessed October 03, 2023.
    Collections
    • Microbiology and Immunology
    Publisher
    East Carolina University

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