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Background Senecavirus A, commonly known as Seneca Valley virus (SVV), is a picornavirus that has been infrequently associated with porcine idiopathic vesicular disease (PIVD). In late 2014 there were multiple PIVD outbreaks in several states in Brazil and samples from those cases tested positive for SVV. Beginning in July of 2015, multiple cases of PIVD were reported in the United States in which...
Recent cases of porcine reproductive and respiratory syndrome virus (PRRSV) infection in United States swine-herds have been associated with high mortality in piglets and severe morbidity in sows. Analysis of the ORF5 gene from such clinical cases revealed a unique restriction fragment polymorphism (RFLP) of 1-7-4. The genome diversity of seventeen of these viruses (81.4% to 99.8% identical; collected...
In 2013, porcine epidemic diarrhea virus (PEDV) emerged in the United States as a rapidly spreading epidemic causing dramatic death losses in suckling piglets. Neonatal piglets are most vulnerable to clinical disease and their only protection is passive immunity from their dam. At the end of the third year of the PEDV outbreak, most US sow herds have been infected and many are entering into an endemic...
The L6 region of bovine adenovirus 3 (BAdV-3) encode 33K (spliced) and 22K (unspliced) proteins. Earlier, anti-33K serum detected five major and three minor proteins in BAdV-3 infected cells. Here, we demonstrate that anti-sera raised against L6-22K protein detected two proteins of 42 and 37kDa in BAdV-3 infected cells and one protein of 42kDa in transfected cells expressing splice-site variant 22K...
The adenovirus 33K protein appears to be a multifunctional protein performing different roles in viral infection. The involvement of 33K protein in different steps of adenovirus replication may require protein–protein interaction. Using 33K protein as a bait in the yeast two-hybrid system, we screened open reading frames (ORFs) of bovine adenovirus (BAdV)-3 for potential interactions with 33K protein...
The L6 region of bovine adenovirus type (BAdV)-3 encodes a nonstructural protein named 33K. To identify and characterize the 33K protein, rabbit polyclonal antiserum was raised against a 33K-GST fusion protein expressed in bacteria. Anti-33K serum immunoprecipitated a protein of 42 kDa in in vitro translated and transcribed mRNA of 33K. However, three proteins of 42, 38, and 33 kDa were detected in...
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