A method for classification of 5′ termini of retroviruses

Abstract
A new method for the classification of retroviruses is presented. The scheme is based on the length and sequence of a DNA transcript of the 5'' end of the genome. The method can be used to detect similarities between distantly related viruses and to discriminate between very closely related viruses. The method is applied to viruses isolated from mice, baboons, gibbons, a woolly monkey and chickens.