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Gene Review

ung  -  uracil-DNA glycosylase

Escherichia coli CFT073

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Disease relevance of ung


High impact information on ung

  • The low molecular weight of the replication intermediates is unchanged by blocking linear DNA processing with a recBCD mutation or by blocking uracil excision with an ung mutation [3].
  • In addition, BKRF3 was able to complement an E. coli ung mutant in rifampin and nalidixic acid resistance mutator assays [2].
  • In contrast, the ung and mutY mutants did not show higher frequencies of intergenomic recombination or greater sensitivity to UV-induced DNA damage than the wild type [4].


  1. Quantitative determination of uracil residues in Escherichia coli DNA: Contribution of ung, dug, and dut genes to uracil avoidance. Lari, S.U., Chen, C.Y., Vert??ssy, B.G., Morr??, J., Bennett, S.E. DNA Repair (Amst.) (2006) [Pubmed]
  2. Characterization of the uracil-DNA glycosylase activity of Epstein-Barr virus BKRF3 and its role in lytic viral DNA replication. Lu, C.C., Huang, H.T., Wang, J.T., Slupphaug, G., Li, T.K., Wu, M.C., Chen, Y.C., Lee, C.P., Chen, M.R. J. Virol. (2007) [Pubmed]
  3. The replication intermediates in Escherichia coli are not the product of DNA processing or uracil excision. Amado, L., Kuzminov, A. J. Biol. Chem. (2006) [Pubmed]
  4. Antimutator role of the DNA glycosylase mutY gene in Helicobacter pylori. Huang, S., Kang, J., Blaser, M.J. J. Bacteriol. (2006) [Pubmed]
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