title: Phylogeny and evolutionary genetics of porcine parvovirus in wild boars.
abstract: Porcine parvovirus (PPV) is widespread among swine and is responsible for reproductive failure of susceptible sows, characterized by embryonic and fetal death. Studies showed that PPV in domestic pig is genetically diverse and some strains differ from the ones used for vaccination. Organ samples from wild boars and domestic pigs were collected in Transylvania (Romania) and tested for the presence of PPV by polymerase chain reaction. Positive samples were grouped and 14 from the wild boar and 1 from the domestic pig PPVs were selected for VP1/VP2 sequence analysis and comparison with available GenBank data. The molecular clock analysis revealed that PPV has a relatively recent evolutionary history, originated approximately 120 years ago and the main divergence occurred in the last 20-60 years. Phylogenetic and residue substitution analysis showed that the viruses could be divided into 6 distinct clusters and that wild boar PPVs were partially different and independent from domestic pig PPVs. PPVs of wild boars proved to be more diverse than viruses of domestic pigs. The presence of the highly virulent 27a-like PPV strains in wild boars was also detected.
authors.affiliation: Department of Infectious Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania. dimmuvet@yahoo.com
authors.forename: Dániel
authors.initials: D
authors.lastname: Cadar
authors.forename: Ádám
authors.initials: Á
authors.lastname: Dán
authors.forename: Kata
authors.initials: K
authors.lastname: Tombácz
authors.forename: Márta
authors.initials: M
authors.lastname: Lőrincz
authors.forename: Timea
authors.initials: T
authors.lastname: Kiss
authors.forename: Zsolt
authors.initials: Z
authors.lastname: Becskei
authors.forename: Marina
authors.initials: M
authors.lastname: Spînu
authors.forename: Tamás
authors.initials: T
authors.lastname: Tuboly
authors.forename: Attila
authors.initials: A
authors.lastname: Cságola
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000235:genetics; D036022:Capsid Proteins / Q000235:genetics; D004252:DNA Mutational Analysis; D004279:DNA, Viral; D019143:Evolution, Molecular; D007668:Kidney / Q000821:virology; D008099:Liver / Q000821:virology; D008168:Lung / Q000821:virology; D008221:Lymphoid Tissue / Q000821:virology; D028323:Parvovirus, Porcine / Q000145:classification / Q000235:genetics*; D010802:Phylogeny; D016133:Polymerase Chain Reaction; D015995:Prevalence; D034421:Sus scrofa / Q000821:virology*
chemical_list: D000956:Antigens, Viral; D036022:Capsid Proteins; D004279:DNA, Viral; C528774:VP2 protein, porcine parvovirus