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Detection of Sapovirus in oysters.

Ueki, You; Shoji, Mika; Okimura, Yoko; Miyota, Yasuko; Masago, Yoshifumi; Oka, Tomoichiro; Katayama, Kazuhiko; Takeda, Naokazu; Noda, Mamoru; Miura, Takayuki; Sano, Daisuke; Omura, Tatsuo.

Microbiol Immunol ; 54(8): 483-6, 2010 Aug.

Article in English | MEDLINE | ID: mdl-20646214

ABSTRACT

SaV sequences which are either genetically identical or similar were detected from oysters, feces from gastroenteritis patients, and domestic wastewater samples in geographically close areas. This is the first report of the detection of SaV in oysters which meet the legal requirements for raw consumption in Japan.

Subject(s)

Gastroenteritis/virology , Ostreidae/virology , Sapovirus/isolation & purification , Seafood/virology , Animals , Caliciviridae Infections/virology , Feces/virology , Food Contamination , Humans , Molecular Sequence Data , Phylogeny , Sapovirus/classification , Sapovirus/genetics , Sewage/virology

Norovirus GII/4 variants observed in outbreaks of gastroenteritis in Miyagi prefecture between November and December of 2006.

Ueki, Yo; Shoji, Mika; Sato, Chizuko; Sato, Yuki; Okimura, Yoko; Saito, Noriyuki; Otomo, Hiromi; Onodera, Hitoshi.

Jpn J Infect Dis ; 60(4): 240-1, 2007 Jul.

Article in English | MEDLINE | ID: mdl-17642546

Subject(s)

Caliciviridae Infections/virology , Gastroenteritis/virology , Norovirus/genetics , Base Sequence , Caliciviridae Infections/epidemiology , Disease Outbreaks , Gastroenteritis/epidemiology , Humans , Japan/epidemiology , Molecular Sequence Data , Norovirus/classification , Norovirus/isolation & purification , Phylogeny , Reverse Transcriptase Polymerase Chain Reaction/methods

Persistence of caliciviruses in artificially contaminated oysters during depuration.

Ueki, You; Shoji, Mika; Suto, Atsushi; Tanabe, Toru; Okimura, Yoko; Kikuchi, Yoshihiko; Saito, Noriyuki; Sano, Daisuke; Omura, Tatsuo.

Appl Environ Microbiol ; 73(17): 5698-701, 2007 Sep.

Article in English | MEDLINE | ID: mdl-17630304

ABSTRACT

The fate of calicivirus in oysters in a 10-day depuration was assessed. The norovirus gene was persistently detected from artificially contaminated oysters during the depuration, whereas feline calicivirus in oysters was promptly eliminated. The prolonged observation of norovirus in oysters implies the existence of a selective retention mechanism for norovirus within oysters.

Subject(s)

Calicivirus, Feline/isolation & purification , Food Handling/methods , Norovirus/isolation & purification , Ostreidae/virology , Shellfish/virology , Animals , Calicivirus, Feline/genetics , DNA Probes , Food Contamination , Humans , Norovirus/genetics , Ostreidae/physiology , Reverse Transcriptase Polymerase Chain Reaction , Water Pollution

Isolation of enterovirus 71 from patients with hand, foot and mouth disease in a local epidemic on March 2006, in Miyagi prefecture, Japan.

Sato, Chizuko; Syoji, Mika; Ueki, Yo; Sato, Yuki; Okimura, Yoko; Saito, Noriyuki; Kikuchi, Naoko; Yagi, Tsuneo; Numakura, Hirohiko.

Jpn J Infect Dis ; 59(5): 348, 2006 Oct.

Article in English | MEDLINE | ID: mdl-17060708

Subject(s)

Enterovirus/isolation & purification , Hand, Foot and Mouth Disease/epidemiology , Hand, Foot and Mouth Disease/virology , Animals , Caco-2 Cells , Child, Preschool , Chlorocebus aethiops , Female , Humans , Infant , Japan/epidemiology , Male , Reverse Transcriptase Polymerase Chain Reaction/methods , Vero Cells

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