Article
Heterogeneity of papillomaviruses.
Seminars in cancer biology - 1 Dec 1996
Myers G, Lu H, Calef C, Leitner T
Abstract excerpt
The classification of the papillomaviral sequence into types is satisfactory for many purposes, but the resulting catalog does not accurately depict the extent of diversification of this family of viruses. Phylogenetic and mutational analyses reveal that some viral forms are much more ancient than other forms. Episodic evolutionary events and zoonotic transmission may have contributed to the overall pattern....
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