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    Home > Biochemistry News > Microbiology News > Detection of Human Caliciviruses and Astroviruses in Stools by RT-PCR

    Detection of Human Caliciviruses and Astroviruses in Stools by RT-PCR

    • Last Update: 2021-02-16
    • Source: Internet
    • Author: User
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    Human caliciviruses (HuCVs) and astroviruses are single-stranded RNA viruses that cause acute gastroenteritis in humans. HuCVs include several prototypes of small, round-structured viruses (SRSVs) as well as morphologically typical caliciviruses. Recent genetic characterization of HuCVs has divided them into three genogroups: Norwalk virus (NV), Snow Mountain agent (SMA), and Sapporo (Sapp) viruses (
    1
    –3 ). Astroviruses include at least seven antigenic types (
    4
    ). Complete genomic sequences of astrovirus types 1 and 2 and partial sequences of other strains have been reported (
    5
    –7 ). In both families, differences in antigenic types appear to correspond to differences in genetic groups.
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