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Author (up) Aboubakr, H.A.; El-Banna, A.A.; Youssef, M.M.; Al-Sohaimy, S.A.A.; Goyal, S.M. doi  openurl
  Title Antiviral Effects of Lactococcus lactis on Feline Calicivirus, A Human Norovirus Surrogate Type Journal Article
  Year 2014 Publication Food and environmental virology Abbreviated Journal Food Environ Virol  
  Volume Issue Pages  
  Corporate Author Thesis  
  Address Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 1333 Gortner Ave, St. Paul, MN, 55108, USA  
  Keywords  
  Abstract Foodborne viruses, particularly human norovirus (NV) and hepatitis virus type A, are a cause of concern for public health making it necessary to explore novel and effective techniques for prevention of foodborne viral contamination, especially in minimally processed and ready-to-eat foods. This study aimed to determine the antiviral activity of a probiotic lactic acid bacterium (LAB) against feline calicivirus (FCV), a surrogate of human NV. Bacterial growth medium filtrate (BGMF) of Lactococcus lactis subsp. lactis LM0230 and its bacterial cell suspension (BCS) were evaluated separately for their antiviral activity against FCV grown in Crandell-Reese feline kidney (CRFK) cells. No significant antiviral effect was seen when CRFK cells were pre-treated with either BGMF (raw or pH 7-adjusted BGMF) or BCS. However, pre-treatment of FCV with BGMF and BCS resulted in a reduction in virus titers of 1.3 log10 tissue culture infectious dose (TCID)50 and 1.8 log10 TCID50, respectively. The highest reductions in FCV infectivity were obtained when CRFK cells were co-treated with FCV and pH 7-adjusted BGMF or with FCV and BCS (7.5 log10 TCID50 and 6.0 log10 TCID50, respectively). These preliminary results are encouraging and indicate the need for continued studies on the role of probiotics and LAB on inactivation of viruses in various types of foods.  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1867-0342 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:25129102 Approved no  
  Call Number NCSU @ edshirle @ Serial 2994  
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