Normal human placentas contain RNA-directed DNA polymerase activity like that in viruses.

Extracts from over 100 normal human placentas have been examined for RNA-directed DNA polymerase (DNA nucleotidyltransferase, EC 2.7.7.7) activity. More than 80% of these placentas contained this enzyme activity, which banded at a density of 1.15-1.17 g/ml in sucrose. After heat treatment, this enzy...

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Bibliographic Details
Main Authors: Nelson, J, Leong, J A, Levy, J A
Format: Artigo
Language:Inglês
Published: 1978
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Research Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC393161/
https://ncbi.nlm.nih.gov/pubmed/83652
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