Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 535430
Title Full-length genome sequences of porcine epidemic diarrhoea virus strain CV777; use of NGS to analyse genomic and sub-genomic RNAs
Author(s) Rasmussen, Thomas Bruun; Boniotti, Maria Beatrice; Papetti, Alice; Grasland, Béatrice; Frossard, Jean Pierre; Dastjerdi, Akbar; Hulst, Marcel; Hanke, Dennis; Pohlmann, Anne; Blome, Sandra; Poel, Wim H.M. Van Der; Steinbach, Falko; Blanchard, Yannick; Lavazza, Antonio; Bøtner, Anette; Belsham, Graham J.
Source PLoS One 13 (2018)3. - ISSN 1932-6203
DOI http://dx.doi.org/10.1371/journal.pone.0193682
Department(s) LR - Animal Breeding & Genomics
CVI Virology
Publication type Refereed Article in a scientific journal
Publication year 2018
Abstract Porcine epidemic diarrhoea virus, strain CV777, was initially characterized in 1978 as the causative agent of a disease first identified in the UK in 1971. This coronavirus has been widely distributed among laboratories and has been passaged both within pigs and in cell culture. To determine the variability between different stocks of the PEDV strain CV777, sequencing of the full-length genome (ca. 28kb) has been performed in 6 different laboratories, using different protocols. Not surprisingly, each of the different full genome sequences were distinct from each other and from the reference sequence (Accession number AF353511) but they are >99% identical. Unique and shared differences between sequences were identified. The coding region for the surface-exposed spike protein showed the highest proportion of variability including both point mutations and small deletions. The predicted expression of the ORF3 gene product was more dramatically affected in three different variants of this virus through either loss of the initiation codon or gain of a premature termination codon. The genome of one isolate had a substantially rearranged 5´-terminal sequence. This rearrangement was validated through the analysis of sub-genomic mRNAs from infected cells. It is clearly important to know the features of the specific sample of CV777 being used for experimental studies.
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