Detection of two porcine circovirus type 2 genotypic groups in United States swine herds.
作者： A. K. Cheung , K. M. Lager , O. I. Kohutyuk , A. L. Vincent , S. C. Henry
DOI: 10.1007/S00705-006-0909-6
关键词:
摘要: In late 2005, sporadic cases of an acute onset disease high mortality were observed in 10- to 16-week-old growing pigs among several swine herds the United States. Tissues from affected Kansas, Iowa, and North Carolina examined, porcine circovirus type 2 (PCV2) was detected consistently these tissues. Phylogenetically, PCV2 can be divided into two major genotypic groups, PCV2-group 1 2. Whereas isolates all diseased animals, only animals harbored isolates. This observation is important because had never been reported States before (GenBank as May 16, 2006), they are closely related that have described Europe Asia, previously. Our analysis revealed each group contains a distinct stretch nucleotide or amino acid sequence may serve signature motif for
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