Emergence of intragenotype recombinant sapovirus in Japan

Phan, Tung Gia; Khamrin, Pattara; Quang, Trinh Duy; Dey, Shuvra Kanti; Takanashi, Sayaka; Okitsu, Shoko; Maneekarn, Niwat; Ushijima, Hiroshi

doi:10.1016/j.meegid.2007.02.004

Cited by 26 publications

(19 citation statements)

References 14 publications

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“…Based on the full-length capsid protein, the SaV intragenus sequence identities range from 32.8 to 50.3% amino acid identity and from 43.6 to 54.2% nucleotide identity (28), while the intergenus amino acid identities of caliciviruses are 15 to 27% (7,32). Based on these criteria, strain 43/06-18p3 could be classified as a highly divergent strain within GV SaVs or as a novel SaV genogroup outlier between GI and GV human SaVs.…”

Section: Resultsmentioning

confidence: 99%

Identification of a Porcine Calicivirus Related Genetically to Human Sapoviruses

et al. 2008

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Section: Resultsmentioning

confidence: 99%

Identification of a Porcine Calicivirus Related Genetically to Human Sapoviruses

et al. 2008

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“…Genetic analysis of NoV in Chiba, Japan from 1999 to 2004 demonstrated that 31.8% of samples collected from sporadic or outbreak cases were positive for NoV. Phylogenetic analysis of these NoV isolates showed a great genetic diversity and at least 13 and 16 genotypes were identified in GI and GII genogroups, respectively [Okada et al, 2005]. Recently, molecular epidemiological studies of SaV have been conducted in several countries, including Australia, Japan, Thailand, UK, USA, and Vietnam, and it was found that the rates of detection and overall prevalence of SaV infections varied from one country to another, with usually much less frequency than NoV infections [Hansman et al, , 2006Blanton et al, 2006;Gallimore et al, 2006;Nguyen et al, 2007;Phan et al, 2007a].…”

Section: Discussionmentioning

confidence: 99%

Genetic diversity of noroviruses and sapoviruses in children hospitalized with acute gastroenteritis in Chiang Mai, Thailand

Khamrin

Maneekarn

Peerakome

et al. 2007

Journal of Medical Virology

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Human caliciviruses, including norovirus (NoV) and sapovirus (SaV), are recognized as common pathogens that cause acute viral gastroenteritis in children and adults throughout the world. To gain an overview of molecular epidemiology of human caliciviruses in children hospitalized with acute gastroenteritis in Chiang Mai, Thailand, from 2002 to 2004, NoV and SaV were detected and characterized molecularly for identification of their genotypes. From a total of 248 fecal specimens collected, 35 (14.1%) were positive for NoV GII genogroup. Among the 35 NoV GII, GII/4 was the most predominant genotype (22 strains), followed by GII/3 (7 strains), GII/1 (2 strains), GII/7 (2 strains), GII/2 (1 strain), and GII/16 (1 strain). In addition, only three specimens (1.2%) were positive for SaV, each of which was classified into two different genogroups. One isolate was clustered with GIV genogroup, while the other two belonged to two distinct genotypes of the SaV GI cluster, GI/1 and GI/2 genotypes. This study demonstrated that human caliciviruses are important enteric viruses that caused acute gastroenteritis in the hospitalized children in Chiang Mai, Thailand from 2002 to 2004. Moreover, a great genetic diversities of NoV and SaV were observed.

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“…Among them, 13 studies detected more than 30 sapovirus strains from patients with sporadic gastroenteritis (Table 6) (89,99,101,102,126,131,132,165,185,191,215,216,(218)(219)(220)(221)(222)(223)(224)(225)(226). Although different methods (electron microscopy, ELISA, and PCR assays with different primer sets) (191).…”

Section: Sporadic Casesmentioning

confidence: 99%

Comprehensive Review of Human Sapoviruses

et al. 2015

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SUMMARY Sapoviruses cause acute gastroenteritis in humans and animals. They belong to the genus Sapovirus within the family Caliciviridae . They infect and cause disease in humans of all ages, in both sporadic cases and outbreaks. The clinical symptoms of sapovirus gastroenteritis are indistinguishable from those caused by noroviruses, so laboratory diagnosis is essential to identify the pathogen. Sapoviruses are highly diverse genetically and antigenically. Currently, reverse transcription-PCR (RT-PCR) assays are widely used for sapovirus detection from clinical specimens due to their high sensitivity and broad reactivity as well as the lack of sensitive assays for antigen detection or cell culture systems for the detection of infectious viruses. Sapoviruses were first discovered in 1976 by electron microscopy in diarrheic samples of humans. To date, sapoviruses have also been detected from several animals: pigs, mink, dogs, sea lions, and bats. In this review, we focus on genomic and antigenic features, molecular typing/classification, detection methods, and clinical and epidemiological profiles of human sapoviruses.

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Emergence of intragenotype recombinant sapovirus in Japan

Cited by 26 publications

References 14 publications

Identification of a Porcine Calicivirus Related Genetically to Human Sapoviruses

Identification of a Porcine Calicivirus Related Genetically to Human Sapoviruses

Genetic diversity of noroviruses and sapoviruses in children hospitalized with acute gastroenteritis in Chiang Mai, Thailand

Comprehensive Review of Human Sapoviruses

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