Article
Papillomavirus Subtypes Are Natural and Old Taxa: Phylogeny of Human Papillomavirus Types 44 and 55 and 68a and -b
27 Apr 2005
Abstract excerpt
A human papillomavirus (HPV) type is defined as an HPV isolate whose L1 gene sequence is at least 10% different from that of any other type, while a subtype is 2 to 10% different from any HPV type. In order to analyze the phylogeny behind the subtype definition, we compared 49 isolates of HPV type 44 (HPV-44) and its subtype HPV-55, previously misclassified as a separate type, and 41 isolates of the subtype pair...
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