genital warts in burmeister's porpoises: characterization of phocoena spinipinnis papillomavirus type 1 (pspv-1) and evidence for a second, distantly related pspv. | we identified sequences from two distantly related papillomaviruses in genital warts from two burmeister's porpoises, including a pv antigen-positive specimen, and characterized phocoena spinipinnis papillomavirus type 1 (pspv-1). the pspv-1 genome comprises 7879 nt and presents unusual features. it lacks an e7, an e8 and a bona fide e5 open reading frame (orf) and has a large e6 orf. pspv-1 l1 orf showed the highest percentage of nucleotide identity (54-55 %) with human papillomavirus type 5, b ... | 2007 | 17554024 |