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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
1
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pubmed:dateCreated |
1982-2-12
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pubmed:abstractText |
Human thyroglobulin mRNA was isolated from Graves' goitres by size selection of total poly(A)-rich RNA in a sucrose gradient. It sedimented at 33 S, as in other mammalian species, and showed a single component of approximately 8500 bases by gel electrophoresis. cDNA was synthesized from the 33-S RNA by using reverse transcriptase in the presence of human placenta ribonuclease inhibitor and in conditions allowing the formation of long transcripts. The latter was made double-stranded using reverse transcriptase and blunt-ended with nuclease S1. After tailing with dCTP and terminal transferase, the double-stranded cDNA was annealed to pBR322 DNA that had been cleaved at the endonuclease PstI site and tailed with dGTP. The resulting plasmids were used to transform Escherichia coli C600 cells and four cloned recombinants were selected. Each plasmid DNA was shown to contain a sequence complementary to human thyroglobulin mRNA by hybridization with a labeled 33-S mRNA, visualization of cDNA . mRNA hybrids by electron microscopy and filter hybridization selection of mRNA directing the synthesis of immunologically related thyroglobulin peptides in the reticulocyte lysate. The four inserted DNA sequences were 1400 - 1800 base pairs long, two of them showing an homologous sequence of 1100 base pairs. Together, the four cloned DNA fragments represented 63% of the 8500 bases of human thyroglobulin mRNA.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/CTGCAG-specific type II...,
http://linkedlifedata.com/resource/pubmed/chemical/DNA,
http://linkedlifedata.com/resource/pubmed/chemical/DNA, Recombinant,
http://linkedlifedata.com/resource/pubmed/chemical/DNA Restriction Enzymes,
http://linkedlifedata.com/resource/pubmed/chemical/Deoxyribonucleases, Type II...,
http://linkedlifedata.com/resource/pubmed/chemical/Endonucleases,
http://linkedlifedata.com/resource/pubmed/chemical/Placental Hormones,
http://linkedlifedata.com/resource/pubmed/chemical/Poly A,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Messenger,
http://linkedlifedata.com/resource/pubmed/chemical/RNA-Directed DNA Polymerase,
http://linkedlifedata.com/resource/pubmed/chemical/Ribonucleases,
http://linkedlifedata.com/resource/pubmed/chemical/Single-Strand Specific DNA and RNA...,
http://linkedlifedata.com/resource/pubmed/chemical/Thyroglobulin,
http://linkedlifedata.com/resource/pubmed/chemical/placental ribonuclease inhibitor
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pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0014-2956
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
120
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1-7
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:6171425-Biotransformation,
pubmed-meshheading:6171425-Cloning, Molecular,
pubmed-meshheading:6171425-DNA,
pubmed-meshheading:6171425-DNA, Recombinant,
pubmed-meshheading:6171425-DNA Restriction Enzymes,
pubmed-meshheading:6171425-Deoxyribonucleases, Type II Site-Specific,
pubmed-meshheading:6171425-Endonucleases,
pubmed-meshheading:6171425-Escherichia coli,
pubmed-meshheading:6171425-Humans,
pubmed-meshheading:6171425-Nucleic Acid Hybridization,
pubmed-meshheading:6171425-Placental Hormones,
pubmed-meshheading:6171425-Plasmids,
pubmed-meshheading:6171425-Poly A,
pubmed-meshheading:6171425-RNA, Messenger,
pubmed-meshheading:6171425-RNA-Directed DNA Polymerase,
pubmed-meshheading:6171425-Ribonucleases,
pubmed-meshheading:6171425-Single-Strand Specific DNA and RNA Endonucleases,
pubmed-meshheading:6171425-Thyroglobulin
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pubmed:year |
1981
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pubmed:articleTitle |
Cloning of four DNA fragments complementary to human thyroglobulin messenger RNA.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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