Abstract:
:The nucleotide sequences of several sites of recombination between adenovirus DNA and hamster, mouse, or human cell DNAs were determined. These sites of recombination had been cloned from adenovirus type 2 (Ad2)- or type 12 (Ad12)-transformed cells, from Ad12-induced tumor cells, or from a symmetric recombinant between Ad12 DNA and human cell DNA. One important precondition for the generation of recombinants between host and foreign DNAs might be the establishment of a chromatin configuration that permits access of foreign DNA and of the recombination machinery to cellular DNA. Such favorable chromatin structures might arise during cellular DNA replication or transcription or both. As a first approach toward investigating these more complex problems of foreign DNA insertion, we determined transcriptional activities of cellular DNA sequences at viral junction sites. The sites of linkage investigated in this study with respect to their transcriptional activities were those previously cloned and sequenced (W. Doerfler, R. Gahlmann, S. Stabel, R. Deuring, U. Lichtenberg, M. Schulz, D. Eick, and R. Leisten, Curr. Top. Microbiol. Immunol. 109:193-228, 1983). In addition, a site from cell line HA12/7 which is described in this paper was also analyzed. The results presented demonstrate that the cellular DNA sequences involved in linkage to viral DNA at five completely different sites in DNA from three different species are transcribed into RNAs even in cells which have not been transformed or infected by adenovirus. Some of these RNAs were cytoplasmic and were not poly(A)+. Human cell DNA sequences at the junction to Ad12 DNA in SYREC2 DNA were transcribed into poly(A)+ cytoplasmic RNA which could be translated in vitro. These results are consistent with the notion that at least some of the cellular DNA sequences at sites of insertion of adenovirus (foreign) DNA are transcriptionally active and thus provide an opportunity for recombination.
journal_name
J Viroljournal_title
Journal of virologyauthors
Schulz M,Freisem-Rabien U,Jessberger R,Doerfler Wdoi
10.1128/JVI.61.2.344-353.1987subject
Has Abstractpub_date
1987-02-01 00:00:00pages
344-53issue
2eissn
0022-538Xissn
1098-5514journal_volume
61pub_type
杂志文章abstract::Viral DNA sequences were not detected in high-molecular-weight host DNA until well after the onset of viral DNA replication. ...
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pub_type: 杂志文章
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journal_title:Journal of virology
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pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.65.11.6242-6251.1991
更新日期:1991-11-01 00:00:00
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pub_type: 杂志文章
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更新日期:2017-09-12 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.64.5.1907-1919.1990
更新日期:1990-05-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.65.7.3804-3812.1991
更新日期:1991-07-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.68.11.6985-6993.1994
更新日期:1994-11-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
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更新日期:1997-04-01 00:00:00
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journal_title:Journal of virology
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更新日期:2017-02-14 00:00:00