Journal
BRAZILIAN JOURNAL OF MICROBIOLOGY
Volume 49, Issue 2, Pages 279-284Publisher
SPRINGER
DOI: 10.1016/j.bjm.2017.06.006
Keywords
Blue mussels; Norovirus; GII.4 Sydney variant; Coastal water
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Funding
- School of Life Sciences, University of Lincoln and Students into Work Grant
- Society for Applied Microbiology, UK
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This molecular study is the first report, to the best of our knowledge, on identification of norovirus, NoV GII.4 Sydney 2012 variants, from blue mussels collected from UK coastal waters. Blue mussels (three pooled samples from twelve mussels) collected during the 2013 summer months from UK coastal sites were screened by RT-PCR assays. PCR products of RdRP gene for noroviruses were purified, sequenced and subjected to phylogenetic analysis. All the samples tested positive for NoVs. Sequencing revealed that the NoV partial RdRP gene sequences from two pooled samples clustered with the pandemic GII.4 Sydney variants whilst the other pooled sample clustered with the NoV GII.2 variants. This molecular study indicated mussel contamination with pathogenic NoVs even during mid-summer in UK coastal waters which posed potential risk of NoV outbreaks irrespective of season. As the detection of Sydney 2012 NoV from our preliminary study of natural coastal mussels interestingly corroborated with NoV outbreaks in nearby areas during the same period, it emphasizes the importance of environmental surveillance work for forecast of high risk zones of NoV outbreaks. (C) 2017 Sociedade Brasileira de Microbiologia. Published by Elsevier Editora Ltda.
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