Human DNA topoisomerase I is encoded by a single-copy gene that maps to chromosome region 20q12-13.2

C. C. Juan, J. Hwang, A. A. Liu, J. Whang-Peng, T. Knutsen, K. Huebner, C. M. Croce, H. Zhang, J. C. Wang, L. F. Liu

研究成果: 雜誌貢獻文章

98 引文 斯高帕斯(Scopus)

摘要

cDNA clones of the human TOP1 gene encoding DNA topoisomerase I (EC 5.99.1.2) have been obtained by immunochemical screening of phage λ libraries expressing human cDNA segments, using rabbit antibodies raised against purified HeLa DNA topoisomerase I. Hybridization patterns between the cloned cDNA sequences and human cellular DNA and cytoplasmic mRNAs indicate that human TOP1 is a single-copy gene. The chromosomal location of the gene has been mapped to the long arm of chromosome 20, in the region q12-13.2, by hybridization of a radioactively labeled TOP1 cDNA probe to human metaphase chromosomes and to a panel of rodent-human somatic hybrids retaining overlapping subsets of human chromosomes.
原文英語
頁(從 - 到)8910-8913
頁數4
期刊Proceedings of the National Academy of Sciences of the United States of America
85
發行號23
出版狀態已發佈 - 1988
對外發佈Yes

ASJC Scopus subject areas

  • General
  • Genetics

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