High-Resolution Analysis of DNA Replication in Released Chromatin Fibers Containing 5-Bromodeoxyuridine
نویسندگان
چکیده
منابع مشابه
High-resolution analysis of DNA replication in released chromatin fibers containing 5-bromodeoxyuridine.
A strategy has been devised to physically map replication sites in released chromatin of mammalian cells. When added to the culture medium, 5-bromodeoxyuridine (BrdU) is incorporated into replicating DNA, partially replacing thymidine. BrdU pulses as short as one minute can be visualized on preparations of straightened chromatin fibers from protein-extracted nuclei by means of monoclonal anti-B...
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Two procedures are described for the fractionation of chromatin containing unsubstituted (LL) DNA and DNA unifilarly substituted with bromodeoxyuridine (HL). The two procedures rely upon the sensitivity of bromodeoxyuridine-containing DNA to UV light to induce either strand breakage or protein crosslinking. When a mixture of LL and HL chromatin is irradiated with UV light, the HL DNA fragments ...
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Populations of Tetrahymena pyriformis were grown in a chemically defined medium containing the thymidine analogue 5-bromodeoxyuridine (BUdR). About 65% of the thymidine sites in DNA were substituted by BUdR. During the first generation in the presence of BUdR, all DNA became hybrid. After the following cell division, in about 80% of the cells the second DNA replication round was initiated but n...
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ژورنال
عنوان ژورنال: BioTechniques
سال: 1996
ISSN: 0736-6205,1940-9818
DOI: 10.2144/96216st01