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reverse transcriptase

[tran-skrip-teys, -teyz] /trænˈskrɪp teɪs, -teɪz/
noun, Biochemistry
1.
a retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering to clone genes from RNA strands.
Origin
1970-1975
1970-75; transcript + -ase
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for reverse transcriptase

reverse transcriptase

/trænˈskrɪpteɪz/
noun
1.
an enzyme present in retroviruses that copies RNA into DNA, thus reversing the usual flow of genetic information in which DNA is copied into RNA
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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reverse transcriptase in Medicine

reverse transcriptase n.
A polymerase that catalyzes the formation of DNA on an RNA template, found in oncogenic viruses containing RNA, especially the retroviruses.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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reverse transcriptase in Science
reverse transcriptase  
Any of a class of enzymes that catalyze the formation of DNA from an RNA template and are found in retroviruses, and also in certain body cells (such as stem cells) as the enzyme telomerase. The action of reverse transcriptase runs in the opposite direction from normal genetic transcription in the cell, in which RNA is copied from DNA. Drugs that inhibit the action of viral reverse transcriptase have been used to treat retroviral infections such as AIDS, and those that inhibit telomerase are potential anticancer agents.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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