Int J Food Microbiol, in press. 28. Wirtz C, Witte W, Wolz C, Goerke C: Transcription of the phage-encoded Panton-Valentine leukocidin of Staphylococcus aureus is dependent on the phage life-cycle and on the host background. Microbiology 2009, 155:3491–3499.PubMedCrossRef 29. Clements MO, Watson

SP, Foster SJ: Characterization of the major superoxide dismutase of Staphylococcus aureus and its role in starvation survival, stress resistance, and pathogenicity. J Bacteriol 1999,181(13):3898–3903.PubMed 30. Selva L, Viana D, Regev-Yochay G, Trzcinski K, Corpa JM, Lasa I, Novick RP, Penadés JR: Killing niche competitors by remote-control bacteriophage induction. Proc Natl Acad Sci USA 2009,106(4):1234–1238.PubMedCrossRef 31. Wagner PL, Neely MN, Zhang X, Acheson DW, Waldor selleck kinase inhibitor MK, Friedman DI: Role for a phage promoter Cisplatin clinical trial in Shiga toxin 2 expression from a pathogenic Escherichia coli strain. J Bacteriol 2001,183(6):2081–2085.PubMedCrossRef 32. Barber LE, Deibel RH: Effect of pH and oxygen tension on staphylococcal growth and enterotoxin formation in fermented sausage. Appl Microbiol 1972,24(6):891–898.PubMed 33. Asao T, Kumeda Y, Kawai T, Shibata T, Oda H, Haruki

K, Nakazawa H, Kozaki S: An extensive outbreak of staphylococcal food poisoning due to low-fat milk in Japan: estimation of enterotoxin A in the incriminated milk and powdered skim milk. Epidemiol Infect 2003,130(1):33–40.PubMedCrossRef 34. Rosec JP, Gigaud O: Staphylococcal enterotoxin genes of classical and new types detected by PCR in France. International Journal of Food Microbiology 2002,77(1–2):61–70.PubMedCrossRef

35. Lövenklev M, Holst E, Borch E, Rådström P: Relative much neurotoxin gene expression in Clostridium botulinum type B, determined using quantitative reverse transcription-PCR. Appl Environ Microbiol 2004,70(5):2919–2927.PubMedCrossRef 36. Artin I, Carter AT, Holst E, Lövenklev M, Mason DR, Peck MW, Rådström P: Effects of carbon dioxide on neurotoxin gene expression in nonproteolytic Clostridium botulinum Type E. Appl Environ Microbiol 2008,74(8):2391–2397.PubMedCrossRef 37. Klein D, Janda P, Steinborn R, Müller M, Salmons B, Günzburg WH: Proviral load determination of different feline immunodeficiency virus isolates using real-time polymerase chain reaction: influence of mismatches on quantification. Electrophoresis 1999,20(2):291–299.PubMedCrossRef 38. Pfaffl MW: A new mathematical model for relative quantification in real-time RT-PCR. Nucleic Acids Research 2001,29(9):e45.PubMedCrossRef 39. Walsh PS, Metzger DA, Higuchi R: Chelex 100 as a medium for simple extraction of DNA for PCR-based typing from forensic material. Biotechniques 1991,10(4):506–513.PubMed 40. Santos MA: An improved method for the small scale preparation of bacteriophage DNA based on phage precipitation by zinc chloride. Nucleic Acids Res 1991,19(19):5442.PubMedCrossRef 41. Resch A, Fehrenbacher B, Eisele K, Schaller M, Götz F: Phage release from biofilm and planktonic Staphylococcus aureus cells.