reverse transcriptase(redirected from RNA-directed DNA polymerase)
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A polymerase that catalyzes the formation of DNA on an RNA template, found in the retroviruses and in certain other viruses, such as hepatitis B virus.
(Biochemistry) 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
reverse′ tran•scrip′tase(trænˈskrɪp teɪs, -teɪz)
a retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering.