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Volume 23, Number 12—December 2017
Research Letter

Porcine Astrovirus Type 3 in Central Nervous System of Swine with Polioencephalomyelitis

Bailey ArrudaComments to Author , Paulo Arruda, Melissa Hensch, Qi Chen, Ying Zheng, Chenghuai Yang, Igor Renan Honorato Gatto, Franco Matias Ferreyra, Phil Gauger, Kent Schwartz, Laura Bradner, Karen Harmon, Ben Hause, and Ganwu Li
Author affiliations: Iowa State University, Ames, Iowa, USA (B. Arruda, Q. Chen, Y. Zheng, C. Yang, F.M. Ferreyra, P. Gauger, K. Schwartz, L. Bradner, K. Harmon, G. Li); Veterinary Resources Inc., Ames (P. Arruda); The Maschhoffs, Carlyle, Illinois, USA (M. Hensch); São Paulo State University (Unesp), Jaboticabal, Brazil (I.R.H. Gatto); Cambridge Technologies, Worthington, Minnesota, USA (B. Hause)

Main Article

Figure

Phylogenetic trees of capsid protein (A), RNA-dependent RNA polymerase protein (B), and whole-genome nucleotide (C) sequences of a PoAstV type 3 strain (PoAstV3/USA/IA/7023/2017, filled circle) from central nervous system tissues of sows with neurologic signs and histopathologic lesions compatible with neurotropic viral infection compared with 66 reference viruses available in GenBank (accession numbers shown in parentheses), which came from multiple animal species (as indicated). We performed a

Figure. Phylogenetic trees of capsid protein (A), RNA-dependent RNA polymerase protein (B), and whole-genome nucleotide (C) sequences of a PoAstV type 3 strain (PoAstV3/USA/IA/7023/2017, filled circle) from central nervous system tissues of sows with neurologic signs and histopathologic lesions compatible with neurotropic viral infection compared with 66 reference viruses available in GenBank (accession numbers shown in parentheses), which came from multiple animal species (as indicated). We performed alignment using the Muscle model and constructed phylogenetic trees using the neighbor-joining method in MEGA6 (http://www.megasoftware.net). Virus types are labeled. AstV, astrovirus; PoAstV, porcine astrovirus. Scale bars indicate nucleotide substitutions per site.

Main Article

Page created: November 16, 2017
Page updated: November 16, 2017
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