doi: 10.1073/pnas.69.11.3228.
Stimulated normal human lymphocytes contain a ribonuclease-sensitive DNA polymerase distinct from viral RNA-directed DNA polymerase
- PMID: 4117771
- PMCID: PMC389742
- DOI: 10.1073/pnas.69.11.3228
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Stimulated normal human lymphocytes contain a ribonuclease-sensitive DNA polymerase distinct from viral RNA-directed DNA polymerase
Proc Natl Acad Sci U S A.
1972 Nov.
Abstract
Ribonuclease-sensitive DNA synthesis is demonstrated in a cytoplasmic particulate fraction of normal human blood lymphocytes stimulated with phytohemagglutinin, but not in unstimulated lymphocytes. DNA polymerase purified from this fraction does not transcribe the heteropolymeric regions of 70S RNA from RNA tumor viruses, thus distinguishing this enzyme from the RNA-directed DNA polymerase (reverse transcriptase) found in oncogenic RNA viruses and human leukemic cells.
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