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Volume 22, Number 1—January 2016
Dispatch

Porcine Epidemic Diarrhea Virus and Discovery of a Recombinant Swine Enteric Coronavirus, Italy

M. Beatrice Boniotti1Comments to Author , Alice Papetti1, Antonio Lavazza, Giovanni Alborali, Enrica Sozzi, Chiara Chiapponi, Silvia Faccini, Paolo Bonilauri, Paolo Cordioli2, and Douglas Marthaler
Author affiliations: Istituto Zooprofilattico Sperimentale della Lombardia ed Emilia Romagna, Brescia, Italy (M.B. Boniotti, A. Papetti, A. Lavazza, G. Alborali, E. Sozzi, C. Chiapponi, S. Faccini, P. Bonilauri, P. Cordioli); University of Minnesota Veterinary Diagnostic Laboratory, St. Paul, Minnesota, USA (D. Marthaler)

Main Article

Figure 1

Phylogenetic analyses of swine enteric coronaviruses in Italy. A) Analysis performed on the basis of the nucleotide sequence of the complete spike (S1) gene of 4 representative strains from the 3 clusters and whole genome and B) of 2 positive strains from clusters I and II. Cluster I represents strains circulating from 2007 through mid-2009; cluster II represents strains circulating from mid-2009 through 2012; and cluster III represents strains circulating since 2014. Bootstrap values >70% (1

Figure 1. Phylogenetic analyses of swine enteric coronaviruses in Italy. A) Analysis performed on the basis of the nucleotide sequence of the complete spike (S1) gene of 4 representative strains from the 3 clusters and B) whole genome of 2 positive strains from clusters I and II. Cluster I represents strains circulating from 2007 through mid-2009; cluster II represents strains circulating from mid-2009 through 2012; and cluster III represents strains circulating since 2014. Bootstrap values >70% (1,000 replicates) are indicated. Reference sequences are identified by GenBank accession no. and strain name. The strains from this study are represented in blue; strains from China are green; strains from North America are red; and strains from Europe are purple. PEDV, porcine epidemic diarrhea virus; PRCV, porcine respiratory coronavirus; TGEV, transmissible gastroenteritis virus; SeCoV, swine enteric coronavirus.

Main Article

1These first authors contributed equally to this article.

2Deceased.

Page created: December 18, 2015
Page updated: December 18, 2015
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