Lethality of a dut (deoxyuridine triphosphatase) mutation in Escherichia coli.

  title={Lethality of a dut (deoxyuridine triphosphatase) mutation in Escherichia coli.},
  author={Hiyam H El-Hajj and Haiyu Zhang and Bernard Weiss},
  journal={Journal of bacteriology},
  volume={170 3},
A chloramphenicol resistance gene was cloned into a plasmid-borne dut gene, producing an insertion mutation that was then transferred to the chromosome by allelic exchange. The mutation could not be acquired by haploid strains through substitutive recombination, even when two flanking markers were simultaneously transduced. The insertion was easily transferred, via generalized transduction, into the chromosomal dut region of strains harboring a lambda dut + transducing phage; however, the… CONTINUE READING


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