An enzyme that causes the formation of DNA (deoxyribonucleic acid) on a template or pattern of RNA (ribonucleic acid) in certain cancer-producing viruses, and that is regarded by some as essential to the ability of the virus to cause cancer.

谭姆恩酵素(在某种致癌病毒中，能使脱氧核糖核酸按核糖核酸的模板产生的一种酵素。部分人认为是使病毒致癌的主要原因)。