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. 1990 Dec:(12):10-2.

[Uracil, contained in DNA, can direct the correction of mispaired nucleotides in human cells]

[Article in Russian]
V M Golubovskaia, O N Aprelikova, N V Tomilin
  • PMID: 2084540

[Uracil, contained in DNA, can direct the correction of mispaired nucleotides in human cells]

[Article in Russian]
V M Golubovskaia et al. Mol Gen Mikrobiol Virusol. 1990 Dec.

Abstract

The mismatch correction has been studied in human cells and presented in this paper. In the study the experimental model with half-containing hetroduplex (-1 residue in the polylinker region of lac gene) M13 DNA has been used. M 13 DNA was isolated from human cells 24 hours after transfection and transformed into ung+ and ung- cells of Escherichia coli. The percentage of lac- colonies (formed due to frameshift mutation in the lac gene) was analyzed. The increased percent of lac- mutations after human transfection indicated that DNA-uracil can polarize mismatch correction in human cells.

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