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Ionizing radiation and other oxidative stresses modify the bases in DNA. Several of these bases are substrates for DNA repair enzymes which is evidence that they are also modified by endogenous oxidants. This proposal continues to study formation of derivatives of thymine and cytosine in DNA exposed to oxidative stress. The potential mutagenicity of these modified bases will be studied. A repair enzyme, 5-hydroxymethyluracil-N- glycosylase will be purified so that its genetic expression may be studied. 32P-post labelling techniques for identification of these bases in vivo will be developed.
期刊论文(9)
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会议论文
Identification of radiation-induced thymine derivatives in DNA.
DNA 中辐射诱导的胸腺嘧啶衍生物的鉴定。
DOI: 10.1016/0065-2571(82)90007-3
发表时间: 1982
期刊: Advances in enzyme regulation
影响因子: --
作者: [Teebor,GW, Frenkel,K, Goldstein,MS]
通讯作者: Goldstein,MS
DOI: --
发表时间: 1983
期刊: Princess Takamatsu symposia
影响因子: --
作者: [Troll,W, Frenkel,K, Teebor,G]
通讯作者: Teebor,G
Ionizing radiation and tritium transmutation both cause formation of 5-hydroxymethyl-2'-deoxyuridine in cellular DNA.
电离辐射和氚嬗变都会导致细胞 DNA 中 5-羟甲基-2-脱氧尿苷的形成。
DOI: 10.1073/pnas.81.2.318
发表时间: 1984
期刊: Proceedings of the National Academy of Sciences of the United States of America
影响因子: 11.1
作者: [Teebor,GW, Frenkel,K, Goldstein,MS]
通讯作者: Goldstein,MS
The initiation of DNA excision-repair.
DNA 切除修复的启动。
DOI: 10.1016/s0065-230x(08)60186-4
发表时间: 1983
期刊: Advances in cancer research
影响因子: --
作者: [Teebor,GW, Frenkel,K]
通讯作者: Frenkel,K
GENOMIC DISTRIBUTION AND PHYLOGENY OF DNA REPAIR
  • 批准号:
    2093493
  • 项目类别:
  • 资助金额:
    $20.68万
  • 财政年份:
    1989
  • 负责人:
    GEORGE W TEEBOR
  • 依托单位:
GENOMIC DISTRIBUTION AND PHYLOGENY OF DNA REPAIR
  • 批准号:
    3194185
  • 项目类别:
  • 资助金额:
    $11.65万
  • 财政年份:
    1989
  • 负责人:
    GEORGE W TEEBOR
  • 依托单位:
FORMATION, MUTAGENICITY & REPAIR OF PHOTOHYDRATES IN DNA
GENOMIC DISTRIBUTION AND PHYLOGENY OF DNA REPAIR
  • 批准号:
    3194187
  • 项目类别:
  • 资助金额:
    $21.14万
  • 财政年份:
    1989
  • 负责人:
    GEORGE W TEEBOR
  • 依托单位:
海外基金