title: Existence of avian infectious bronchitis virus with a European-prevalent 4/91 genotype in Japan.
abstract: Eight isolates of infectious bronchitis virus (IBV) were obtained from various prefectures in Japan during 2003-2007 and were genetically analyzed by reverse transcriptase-polymerase chain reaction (RT-PCR) coupled with direct sequencing. These IBV isolates were classified into three genetic groups, including two that have already been reported (JP-I and JP-III). The remaining group is related to the 4/91 (also known as 793/B) type, prevalent mainly in European countries, and has not been identified in Japan until now.
authors.affiliation: National Institute of Animal Health, Ibaraki, Japan. masema@affrc.go.jp
authors.forename: Masaji
authors.initials: M
authors.lastname: Mase
authors.forename: Toshikazu
authors.initials: T
authors.lastname: Inoue
authors.forename: Shigeo
authors.initials: S
authors.lastname: Yamaguchi
authors.forename: Tadao
authors.initials: T
authors.lastname: Imada
mesh_terms: D000818:Animals; D002645:Chickens; D018352:Coronavirus Infections / Q000453:epidemiology / Q000662:veterinary* / Q000821:virology; D005838:Genotype; D001351:Infectious bronchitis virus / Q000145:classification / Q000235:genetics*; D007564:Japan / Q000453:epidemiology; D010802:Phylogeny; D011201:Poultry Diseases / Q000453:epidemiology / Q000821:virology*