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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
19
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pubmed:dateCreated |
1978-11-29
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pubmed:abstractText |
A simple and efficient procedure to purify the low molecular weight extrachromosomal DNA from eukaryotic cells is described. Gentle lysis of cells with urea and sodium dodecyl sulfate in 0.24 M phosphate buffer (pH 6.8) is followed by the removal of high molecular weight bulk DNA by centrifugation. Protein and RNA are removed from the supernatant by hydroxyapatite chromatography in urea/phosphate buffer. Urea is then removed with 0.15 M phosphate buffer and the extrachromosomal DNA, virtually free from protein and RNA, is finally eluted in 0.5 M phosphate buffer. The procedure allows the recovery of about 99% simian virus 40 (SV40) DNA from infected monkey kidney cells in the extrachromosomal fraction. In normal mouse, monkey, andhuman cells, approximately 1% of total cell DNA appears to be extrachromosomal.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0021-9258
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
10
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pubmed:volume |
253
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
6654-6
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pubmed:dateRevised |
2001-11-2
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pubmed:meshHeading |
pubmed-meshheading:211127-Cell Line,
pubmed-meshheading:211127-Centrifugation, Density Gradient,
pubmed-meshheading:211127-Chromatography,
pubmed-meshheading:211127-DNA, Viral,
pubmed-meshheading:211127-Hydroxyapatites,
pubmed-meshheading:211127-RNA, Viral,
pubmed-meshheading:211127-Simian virus 40,
pubmed-meshheading:211127-Viral Proteins
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pubmed:year |
1978
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pubmed:articleTitle |
A rapid method for the purification of extrachromosomal DNA from eukaryotic cells.
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pubmed:publicationType |
Journal Article
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