A new densovirus in cerebrospinal fluid from a case of anti-NMDA-receptor encephalitis
Archives of virology(2016)
摘要
We characterized the genome of a densovirus, tentatively called human CSF-associated densovirus 1 (HuCSFDV1), in cerebrospinal fluid (CSF) from a human case of encephalitis with antibodies against the N-methyl D-aspartate receptor. The presence of the viral genome in CSF was independently confirmed. This virus, which is proposed to be a member of a new species in the genus Iteradensovirus of the subfamily Densovirinae , showed the typical two ORFs encoding nonstructural and structural proteins with low-level identities of 22 and 16 % to the closest known densovirus relative. No other eukaryotic viral sequences were detected using deep sequencing. The replication and pathogenicity in humans of this virus, which belongs to a viral subfamily whose members are only known to replicate in invertebrates, remain to be demonstrated. Alternative explanations for the detection of densovirus DNA in CSF are discussed.
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关键词
Encephalitis, Cotton Bollworm, Potential Splice Donor, Alternative Splice Site Predictor, Cellular Host Range
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