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. 2019 Feb 18;50:14. doi: 10.1186/s13567-019-0632-4

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Purified PRV-3 particles. A Transmission electron microscopy (TEM) of purified PRV-3 viral particles. B Western blot analysis of proteins from purified PRV-3 particles using antiserum raised against PRV-1 σ1, σ3 and µ1 proteins. Observed bands correspond to predicted full length proteins of 35 kDa, 37 kDA and 74 kDa, respectively.