pubmed-article:19563114 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0017428 | lld:lifeskim |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0242961 | lld:lifeskim |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0204727 | lld:lifeskim |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0205409 | lld:lifeskim |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0486805 | lld:lifeskim |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0439855 | lld:lifeskim |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0332256 | lld:lifeskim |
pubmed-article:19563114 | lifeskim:mentions | umls-concept:C0443288 | lld:lifeskim |
pubmed-article:19563114 | pubmed:dateCreated | 2009-6-30 | lld:pubmed |
pubmed-article:19563114 | pubmed:abstractText | The identification and isolation of origins of replication from mammalian genomes has been a demanding task owing to the great complexity of these genomes. However, two methods have been refined in recent years each of which allows significant enrichment of recently activated origins of replication from asynchronous cell cultures. In one of these, nascent strands are melted from the long template DNA, and the small, origin-centered strands are isolated on sucrose gradients. The second method involves the selective entrapment of bubble-containing fragments in gelling agarose and their subsequent recovery and isolation by molecular cloning. Libraries prepared by this method from Chinese hamster and human cells have been shown to be extremely pure, and provide a renewable resource of origins that can be used as probes on microarrays or sequenced by high-throughput techniques to localize them within the genomic source. The bubble-trapping method is described here for asynchronous mammalian cells that grow with reasonable doubling times and from which nuclear matrices can be reliably prepared. The method for nuclear matrix preparation and enrichment of replication intermediates is described in an accompanying chapter entitled, "Purification of Restriction Fragments Containing Replication Intermediates from Mammalian Cells for 2-D Gel Analysis"). | lld:pubmed |
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pubmed-article:19563114 | pubmed:language | eng | lld:pubmed |
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pubmed-article:19563114 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:19563114 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:19563114 | pubmed:issn | 1064-3745 | lld:pubmed |
pubmed-article:19563114 | pubmed:author | pubmed-author:HamlinJoyce... | lld:pubmed |
pubmed-article:19563114 | pubmed:author | pubmed-author:MesnerLarry... | lld:pubmed |
pubmed-article:19563114 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:19563114 | pubmed:volume | 521 | lld:pubmed |
pubmed-article:19563114 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:19563114 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:19563114 | pubmed:pagination | 315-28 | lld:pubmed |
pubmed-article:19563114 | pubmed:dateRevised | 2011-5-9 | lld:pubmed |
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pubmed-article:19563114 | pubmed:year | 2009 | lld:pubmed |
pubmed-article:19563114 | pubmed:articleTitle | Isolation of restriction fragments containing origins of replication from complex genomes. | lld:pubmed |
pubmed-article:19563114 | pubmed:affiliation | Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, USA. | lld:pubmed |
pubmed-article:19563114 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:19563114 | pubmed:publicationType | Research Support, N.I.H., Extramural | lld:pubmed |
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