8. REFERENCESAbrahamsson, K. (1967) Occurrence of type E Cl. Botulinum in smoked eel. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 73-75. Advisory Committee on the Microbial Safety of Foods (1992) Report on vacuum packaging and associated processes. Her Majesty's Stationery Office, London, UK. Ala-Huikku, K., Nurmi, E., Pajulahti, H. and Raevuori, M. (1977) The occurrence of Clostridium botulinum type E in Finnish trout farms and the prevention of toxin formation in fresh-salted vacuum-packed trout fillets. Nord. Vet.-Med. 29, 386-391. American Public Health Association (1992) Compemdium of methods for microbiological examination of foods, 3rd ed. American Public Health Association, Washinton, D.C., USA, pp. 1108. Amerine, M.A., Pangborn, R.M. and Roessler, E.B. (1965) Principles of sensory evaluation of food. Academic Press, New York and London, UK, pp. 354-366. Ando, Y. and Iida, H. (1970) Factors affecting the germination of spores of Clostridium botulinum type E. Japan. J. Microbiol. 14, 361-370. Anonymous (1960) Epidemiological report - Botulism. Morb. Mort. Weekly Rep. 9 (38), 2. Anonymous (1963) Epidemic botulism related to smoked fish ingestion. Morb. Mort. Weekly Rep. 12 (40), 329. Anonymous (1964) Botulism outbreak from smoked whitefish. Food Technol. 18 (1), 71. Anonymous (1991) Botulism. Epid-aktuellt 14, 9. Anonymous (1998) Fallbericht: Botulismus nach dem Verzehr von geräucherten Lachsforellen. Epidemiologisches Bulletin no. 4, 20. Applied Maths (1996) GelCompar version 4.0 manual. Applied Maths, Kortrijk, Belgium. Aranda, E., Rodriguez, M.M., Asensio, M.A. and Córdoba, J.J. (1997) Detection of Clostridium botulinum types A, B, E and F in foods by PCR and DNA probe. Lett. Appl. Microbiol. 25, 186-190. Austin, J.W., Dodds, K.L., Blanchfield, B. and Farber, J.M. (1998) Growth and toxin production by Clostridium botulinum on inoculated fresh-cut packaged vegetables. J. Food Prot. 61, 324-328. Autio, T., Hielm, S., Miettinen, M., Sjöberg, A.-M., Aarnisalo, K., Björkroth, J., Mattila-Sandholm, T. and Korkeala, H. (1999) Sources of Listeria monocytogenes contamination in a cold-smoked rainbow trout processing plant detected by pulsed-field gel electrophoresis typing. Appl. Environ. Microbiol. 65, 150-155. Bach, R., Wenzel, S., Müller-Prasuhn G. and Gläsker, H. (1971) Teichforellen als Träger von of Clostridium botulinum und Ursache von Botulismus. Arch. Lebenmittelshyg. 22, 107-112. Baird-Parker, A.C. and Freame, B. (1967) Combined effect of water activity, pH and temperature on the growth of Clostridium botulinum from spore and vegetative cell inocula. J. Appl. Bacteriol. 30, 420-429. Baker, D.A. and Genigeorgis, C. (1990) Predicting the safe storage of fresh fish under modified atmospheres with respect to Clostridium botulinum toxigenesis by modeling length of the lag phase of growth. J. Food Prot. 53, 131-140. Baker, D.A., Genigeorgis, C. and Garcia, G. (1990a) Prevalence of Clostridium botulinum in seafood and significance of multiple incubation temperatures for determination of its presence and type in fresh retail fish. J. Food Prot. 53, 668-673. Baker, D.A., Genigeorgis, C., Glover, J. and Razavilar, V. (1990b) Growth and toxigenesis of C. botulinum type E in fishes packaged under modified atmospheres. Int. J. Food. Microbiol. 10, 269-290. Bassam, B.J., Caetano-Anollés, G. and Gresshoff, P.M. (1992) DNA amplification fingerprinting of bacteria. Appl. Microbiol. Biotechnol. 38, 70-76. Baumgart, J. (1970) Nachweis von Clostridium botulinum typ E bei handelsfertigen Forellen. Fleischwirtschaft 50, 1545-1546. Berg, D.E., Akopyants, N.S. and Kersulyte, D. (1994) Fingerprinting microbial genomes using the RAPD or AP-PCR method. Methods Mol. Cell. Biol. 5, 13-24. Betts, C.D. and Gaze, J.E. (1995) Growth and heat resistance of psychrotrophic Clostridium botulinum in relation to 'sous vide' products. Food Control 6, 57-63. Björkroth, K.J., Vandamme, P. and Korkeala, H.J. (1998) Identification and characterization of Leuconostoc carnosum, associated with production and spoilage of vacuum-packaged, sliced cooked ham. Appl. Environ. Microbiol. 64, 3313-3319. Blaschek, H.P. and Klacik, M.A. (1984) Role of DNase in recovery of plasmid DNA from Clostridium perfringens. Appl. Environ. Microbiol. 48, 178-181. Bott, T.L., Deffner, J.S., McCoy, E. and Foster, E.M. (1966) Clostridium botulinum type E in fish from the Great Lakes. J. Bacteriol. 91, 919-924. Bott, T.L., Johnson, J., Foster, E.M. and Sugiyama, H. (1968) Possible origin of the high incidence of Clostridium botulinum type E in an inland bay (Green Bay of Lake Michigan). J. Bacteriol. 95, 1542-1547. Bowen, V.G., Cerveny, J.G. and Deibel, R.H. (1974) Effect of sodium ascorbate and sodium nitrite on toxin formation of Clostridium botulinum in wieners. Appl. Microbiol. 27, 605-606. Brett, M.M. (1998) Evaluation of the use of the bioMerieux Rapid ID32 for the identification of Clostridium botulinum. Lett. Appl. Microbiol. 26, 81-84. Bucknavage, M.W., Pierson, M.D., Hackney, C.R. and Bishop, J.R. (1990) Thermal inactivation of Clostridium botulinum type E spores in oyster homogenates at minimal processing temperatures. J. Food Sci. 55, 372-373. Caetano-Anollés, G. (1993) Amplifying DNA with arbitrary oligonucleotide primers. PCR Methods Applic. 3, 85-94. Campbell, K.D., Collins, M.D. and East, A.K. (1993) Gene probes for identification of the botulinal neurotoxin gene and specific identification of neurotoxin types B, E, and F. J. Clin. Microbiol. 31, 2255-2262. Cann, D.C., Taylor, L.Y. and Collett, J.M. (1980) Botulism and fishery products: evaluation of the role of vacuum packaging, proc. pp. 826-833. In: Proceedings of the 1st World Congress on Foodborne Infections and Intoxications 1980, Berlin, Germany. Cann, D.C., Taylor, L.Y. and Hobbs, G. (1975) The incidence of Clostridium botulinum in farmed trout raised in Great Britain. J. Appl. Bacteriol. 39, 331-336. Cann, D.C., Wilson, B.B., Hobbs, G. and Shewan, J.M. (1965) The incidence of Clostridium botulinum type E in fish and bottom deposits in the North Sea and off the coast of Scandinavia. J. Appl. Bacteriol. 28, 426-430. Cann, D.C., Wilson, B.B., Hobbs, G. and Shewan, J.M. (1967) Cl. Botulinum type E in the marine environment of Great Britain. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 62-65. Cann, D.C., Wilson, B.B, Shewan, J.M. and Hobbs, G. (1966) Incidence of Clostridium botulinum type E in fish products in the United Kingdom. Nature 211, 205-206. Cato, E.P., George, W.L. and Finegold, S.M. (1986) Genus Clostridium. In: Sneath, P.H.A., Mair, N.S., Sharpe, M.E. and Holt, J.G. (eds.) Bergey's manual of systematic bacteriology, vol. 2. Williams and Wilkins, Baltimore, MD, USA, pp. 1141-1200. Cherington, M. (1998) Clinical spectrum of botulism. Muscle Nerve 21, 701-710. Christiansen, L.N. (1980) Factors influencing botulinal inhibition by nitrite. Food Technol. 34 (5), 237-239. Christiansen, L.N., Johnston, R.W., Kautter, D.A., Howard, J.W. and Aunan, W.J. (1973) Effect of nitrite and nitrate on toxin production by Clostridium botulinum and on nitrosamine formation in perishable canned comminuted cured meat. Appl. Microbiol. 25, 357-362. City of Milwaukee (1964) Smoked fish and smoked fish products. An Ordinance No. 735, pt. 1, sec. 70-55 through 70-71 of the Milwaukee Code. City Hall, Milwaukee, WI, USA. Collins, M.D. and East, A.K. (1998) Phylogeny and taxonomy of the food-borne pathogen Clostridium botulinum and its neurotoxins. J. Appl. Microbiol. 84, 5-17. Collins, M.D., Lawson, P.A., Willems, A., Cordoba, J.J., Fernandez-Garayzabal, J., Garcia, P., Cai, J., Hippe, H. and Farrow, J.A.E. (1994) The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int. J. Syst. Bacteriol. 44, 812-826. Conner, D.E., Scott, V.N., Bernard, D.T. and Kautter, D.A. (1989) Potential Clostridium botulinum hazards associated with extended shelf-life refrigerated foods: a review. J. Food Safety 10, 131-153. Craig, J.M. and Pilcher, K.S. (1967) The natural distribution of Cl. botulinum type E in the Pacific Coast areas of the United States. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 56-61. Cuppett, S.L., Gray, J.I., Pestka, J.J., Booren, A.M., Price, J.F. and Kutil, C.L. (1987) Effect of salt level and nitrite on toxin production by Clostridium botulinum type E in smoked Great Lakes whitefish. J. Food Prot. 50, 212-217. Dalgaard, P. and Jørgensen, L.V. (1998) Predicted and observed growth of Listeria monocytogenes in seafood challenge tests and in naturally contaminated cold-smoked salmon. Int. J. Food Microbiol. 40, 105-115. Del Torre, M., Stecchini, M.L. and Peck, M.W. (1998) Investigation of the ability of proteolytic Clostridium botulinum to multiply and produce toxin in fresh Italian pasta. J. Food Prot. 61, 988-993. Dillon, R., Patel, T.R. and Martin, A.M. (1994) Microbiological control for fish smoking operations. In: Martin, A.M. (ed.). Fisheries processing: biotechnical applications. Chapman & Hall, London, UK, pp. 51-75. Dodds, K.L., Brodsky, M.H. and Warburton, D.W. (1992) A retail survey of smoked ready-to-eat fish to determine their microbiological quality. J. Food Prot. 55, 208-210. Doellgast, G.J., Beard, G.A., Bottoms, J.D., Cheng, T., Roh, B.H., Roman, M.G., Hall, P.A. and Triscott, M.X. (1994) Enzyme-linked immunosorbent assay and enzyme-linked coagulation assay for detection of Clostridium botulinum neurotoxins A, B, and E and solution-phase complexes with dual-label antibodies. J. Clin. Microbiol. 32, 105-111. Doyle, M.P. (1991) Evaluating the potential risk from extended shelf-life refrigerated foods by Clostridium botulinum inoculation studies. Food Technol. 45 (4), 154-156. Eggers, N.J. and Cattle, D.I. (1986) High-performance liquid chromatographic method for the determination of nitrate and nitrite in cured meat. J. Chromatogr. 354, 490-494. Eklund, M.W. (1982) Significance of Clostridium botulinum in fishery products preserved short of sterilization. Food Technol. 36 (12), 107-112, 115. Eklund, M.W., Pelroy, G.A., Paranjpye, R., Peterson, M.E. and Teeny, F.M. (1982) Inhibition of Clostridium botulinum types A and E toxin production by liquid smoke and NaCl in hot-process smoke-flavoured fish. J. Food Prot. 45, 935-941. Eklund, M.W. and Poysky, F. (1967) Incidence of Cl. Botulinum type E from the Pacific Coast of the United States. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 49-55. European Chilled Food Federation (1996) Guidelines for the hygienic manufacture of chilled foods. European Chilled Food Federation, London, UK. European Parliament and the Commission of the European Communities (1995) European Parliament and Commission Directive 95/2/EC. Official Journal of the European Communities 61, 1-40. Evans, R.I., Russell, N.J., Gould, G.W. and McClure, P.J. (1997) The germinability of spores of a psychrotolerant, nonproteolytic strain of Clostridium botulinum is influenced by their formation and storage temperature. J. Appl. Microbiol. 83, 273-280. Eyles, M.J. and Warth, A.D. (1981) Assessment of the risk of botulism from vacuum-packaged raw fish: a review. Food Technol. Aust. 33, 574-580. Fach, P., Hauser, D., Guillou, J.P. and Popoff, M.R. (1993) Polymerase chain reaction for the rapid identification of Clostridium botulinum type A strains and detection in food samples. J. Appl. Bacteriol. 75, 234-239. Farber, J.M. (1996) An introduction to the hows and whys of molecular typing. J. Food Prot. 59, 1091-1101. Farkas, J. (1998) Irradiation as a method for decontaminating food. A review. Int. J. Food Microbiol. 44, 189-204. Fernández, P.S. and Peck, M.W. (1997) Predictive model describing the effect of prolonged heating at 70 to 80oC and incubation at refrigeration temperatures on growth and toxigenesis by nonproteolytic Clostridium botulinum. J. Food Prot. 60, 1064-1071. Finney, M. (1988) Pulsed-field gel electrophoresis. In: Ausubel, F.M., Brent, R., Kingston, R.E., Moore, D.D., Smith, J.A., Seidman, J.G. and Struhl, K. (eds.) Current protocols in molecular biology. Greene Publishing and Wiley-Interscience, New York, USA, pp. 2.5.9-2.5.15. Food and Agriculture Organization (1991) Manual of food quality control, vol. 12. Food and Agriculture Organization of the United Nations, Rome, Italy, pp. 115-116. Fretheim, K., Granum, P.E. and Vold, E. (1980) Influence of generation temperature on the chemical composition, antioxidative, and antimicrobial effects of wood smoke. J. Food Sci. 45, 999-1007. Garcia, G. and Genigeorgis, C. (1987) Quantitative evaluation of Clostridium botulinum nonproteolytic types B, E, and F growth risk in fresh salmon tissue homogenates stored under modified atmospheres. J. Food Prot. 50, 390-397. Garcia, G.W., Genigeorgis, C. and Lindroth, S. (1987) Risk of growth and toxin production by Clostridium botulinum nonproteolytic types B, E and F in salmon fillets stored under modified atmospheres at low and abused temperatures. J. Food Prot. 50, 330-336. Garren, D.M., Harrison, M.A. and Huang, Y.-W. (1995) Growth and production of toxin of Clostridium botulinum type E in rainbow trout under various storage conditions. J. Food Prot. 58, 863-866. Genigeorgis, C.A. (1985) Microbial and safety implications of the use of modified atmospheres to extend the storage life of fresh meat and fish. Int. J. Food Microbiol. 1, 237-251. Gibbs, P.A., Davies, A.R. and Fletcher, R.S. (1994) Incidence and growth of psychrotrophic Clostridium botulinum in foods. Food Control 5, 5-7. Gibson, J.R., Sutherland, K. and Owen, R.J. (1994) Inhibition of DNAse activity in PFGE analysis of DNA from Campylobacter jejuni. Lett. Appl. Microbiol. 19, 357-358. Gould, G.W. (1999) Sous vide foods: conclusions of an ECFF Botulinum Working Party. Food Control 10, 47-51. Graham, A.F., Mason, D.R., Maxwell, F.J. and Peck, M.W. (1997) Effect of pH and NaCl on growth from spores of nonproteolytic Clostridium botulinum at chill temperature. Lett. Appl. Microbiol. 24, 95-100. Grecz, N. and Arvay, L. (1982) Effect of temperature on spore germination and vegetative cell growth of Clostridium botulinum. Appl. Environ. Microbiol. 43, 331-337. Greenberg, R.A. (1972) Nitrite in the control of Clostridium botulinum, proc. pp. 25-33. In: Proceedings of the Meat Industry Research Conference 1972, American Meat Institute Foundation, Chicago, IL, USA. Harris, R.D. (1989) Kraft builds safety into next generation refrigerated foods. Food Process. 50, 111-114. Hatheway, C.L. (1988) Botulism. In: Balows, A., Hausler, W.H. Ohashi, M. and Turnano, A. (eds.) Laboratory diagnosis of infectious diseases: principles and practice, vol. 1. Springer, Berlin Heidelberg, New York, USA, pp. 111-133. Hatheway, C.L. (1990) Toxigenic clostridia. Clin. Microbiol. Rev. 3, 66-98. Hatheway, C.L. (1995) Botulism: the present status of the disease. Curr. Top. Microbiol. Immunol. 195, 55-75. Hauge, S. (1970) Botulismetilfeller i Norge i løpet av de siste 5-6 år. Norsk Veterinaertidskrift 82, 259-261. Hauschild, A.H.W. (1989) Clostridium botulinum. In: Doyle, M.P. (ed.) Foodborne bacterial pathogens. Marcel Dekker, New York, USA, pp. 111-189. Hauschild, A.H.W. (1990) Clostridium botulinum toxins. Int. J. Food Microbiol. 10, 113-124. Hauschild, A.H.W. (1992) Epidemiology of human foodborne botulism. In: Hauschild A.H.W. and Dodds, K.L. (eds.) Clostridium botulinum - ecology and control in foods. Marcel Dekker, New York, USA, pp. 68-104. Hayes, S., Craig, J.M. and Pilcher, K.S. (1970) The detection of Clostridium botulinum type E in smoked fish products in the Pacific Northwest. Can. J. Microbiol. 16, 207-209. Heinitz, M.L. and Johnson, J.M. (1998) The incidence of Listeria spp., Salmonella spp., and Clostridium botulinum in smoked fish and shellfish. J. Food Prot. 61, 318-323. Hielm, S., Björkroth, J., Hyytiä, E. and Korkeala, H. (1998a) Genomic analysis of Clostridium botulinum group II by pulsed-field gel electrophoresis. Appl. Environ. Microbiol. 64, 703-708. Hielm, S., Björkroth, J., Hyytiä, E. and Korkeala, H. (1998b) Prevalence of Clostridium botulinum in Finnish trout farms: pulsed-field gel electrophoresis typing reveals extensive genetic diversity among type E isolates. Appl. Environ. Microbiol. 64, 4161-4167. Hielm, S., Björkroth, J., Hyytiä, E. and Korkeala, H. (1999) Ribotyping as an identification tool for Clostridium botulinum species causing human botulism. Int. J. Food Microbiol. In press. Hielm, S., Hyytiä, E., Andersin, A.-B. and Korkeala, H. (1998c) A high prevalence of Clostridium botulinum type E in Finnish freshwater and Baltic Sea sediment samples. J. Appl. Microbiol. 84, 133-137. Hielm, S., Hyytiä, E., Ridell, J. and Korkeala, H. (1996) Detection of Clostridium botulinum in fish and environmental samples using polymerase chain reaction. Int. J. Food Microbiol. 31, 357-365. Hobbs, G. (1976) Clostridium botulinum and its importance in fishery products. Adv. Food Res. 22, 135-185. Hobbs, G., Cann, D.C., Wilson, B.B. and Shewan, J.M. (1965) The incidence of the organisms of the genus Clostridium in vacuum-packed fish. J. Appl. Bacteriol. 28, 265. Houghtby, G.A. and Kaysner, C.A. (1969) Incidence of Clostridium botulinum type E in Alaskan salmon. Appl. Microbiol. 18, 950-951. Hulton, C.S.J., Higgins, C.F. and Sharp, P.M. (1991) ERIC sequences: a novel family of repetitive elements in the genomes of Escherichia coli, Salmonella typhimurium and other enterobacteria. Mol. Microbiol. 5, 825-834. Huss, H.H. (1980) Distribution of Clostridium botulinum. Appl. Environ. Microbiol. 39, 764-769. Huss, H.H. (1997) Control of indigenous pathogenic bacteria in seafood. Food Control 8, 91-98. Huss, H.H., Embarek, P.K.B. and Jeppesen, V.F. (1995) Control of biological hazards in cold smoked salmon production. Food Control 6, 335-340. Huss, H.H. and Eskildsen, U. (1974) Botulism in farmed trout caused by Clostridium botulinum type E. Nord. Vet.-Med. 26, 733-738. Huss, H.H. and Pedersen, A. (1979) Clostridium botulinum in fish. Nord. Vet.-Med. 31, 214-221. Huss, H.H., Pedersen, A. and Cann, D.C. (1974a) The incidence of Clostridium botulinum in Danish trout farms. I. Distribution in fish and their environment. J. Food Technol. 9, 445-450. Huss, H.H., Pedersen, A. and Cann, D.C. (1974b) The incidence of Clostridium botulinum in Danish trout farms. II. Measures to reduce contamination of the fish. J. Food Technol. 9, 451-458. Huss, H.H., Schaeffer, I., Pedersen, A. and Jepsen, A. (1979) Toxin production by Clostridium botulinum type E in fresh herring in relation to the measured oxidation potential (Eh). Nord. Vet.-Med. 31, 81-86. Huss, H.H., Schaeffer, I., Pedersen, A. and Jepsen, A. (1980) Toxin production by Clostridium botulinum type E in smoked fish in relation to the measured oxidation reduction potential (Eh), packaging method, and associated microflora. Adv. Fish Sci. Technol. 13, 476. Ikawa, J.Y. and Genigeorgis, C. (1987) Probability of growth and toxin production by nonproteolytic Clostridium botulinum in rockfish fillets stored under modified atmospheres. Int. J. Food Microbiol. 4, 167-181. Jeppesen, V.F. and Huss, H.H. (1992) Inhibition of pathogenic, psychrotrophic bacteria in lightly preserved fish products by lactic acid bacteria. In: Huss, H.H., Jacobsen, M. and Liston, J. (eds.) Quality Assurance in the Fish Industry. Elsevier Science Publishers, Amsterdam, the Netherlands, pp. 231-242. Jersek, B., Tcherneva, E., Rijpens, N. and Herman, L. (1996) Repetitive element sequence-based PCR for species and strain discrimination in the genus Listeria. Lett. Appl. Microbiol. 23, 55-60. Johannsen, A. (1962) Förekomst och utbredning av Cl. botulinum typ E med särskild hänsyn till Öresundsområdet. Nord. Vet.-Med. 14, 441-474. Johannsen, A. (1963) Clostridium botulinum in Sweden and the adjacent waters. J. Appl. Bacteriol. 26, 43-47. Johannsen, A. (1965) Clostridium botulinum type E I rökta fiskvaror. Svensk Veterinärtidning 17, 150-151, 162-164. Kato, H., Kato, N., Watanabe, K., Ueno, K., Ushijima, H., Hashira, S. and Abe, T. (1994) Application of typing by pulsed-field gel electrophoresis to the study of Clostridium difficile in neonatal intensive care unit. J. Clin. Microbiol. 32, 2067-2070. Kerr, K.G. (1994) The rap of REP-PCR-based typing systems. Rev. Med. Microbil. 5, 233-244. Killgore, G.E. and Kato, H. (1994) Use of arbitrary primer PCR to type Clostridium difficile and comparison of results with those by immunoblot typing. J. Clin. Microbiol. 32, 1591, 1593. Knøchel, S. and Huss, H.H. (1984) Ripening and spoilage of sugar salted herring with and without nitrate. II. Effect of nitrate. J. Food Technol. 19, 215-224. Koli, L. (1990) Suomen kalat. WSOY, Porvoo, Finland, 357 pp. Korkeala, H., Alanko, T., Mäkelä, P. and Lindroth, S. (1989) Shelf-life of vacuum-packed cooked ring sausages at different chill temperatures. Int. J. Food Microbiol. 9, 237-247. Korkeala, H., Alanko, T. and Tiusanen, T. (1992) Effect of sodium nitrite and sodium chloride on growth of lactic acid bacteria. Acta Vet. Scand. 33, 27-32. Korkeala, H.J. and Pakkala, P.K. (1988) Microbiological changes in smoked and charred Baltic herrings during storage. J. Food Prot. 51, 197-200. Korkeala, H., Stengel, G., Hyytiä, E., Vogelsang, B., Bohl, A., Wihlman, H., Pakkala, P. and Hielm, S. (1998) Type E botulism associated with vacuum-packaged hot-smoked whitefish. Int. J. Food Microbiol. 43, 1-5. Kravchenko, A.T. and Shishulina, L.M. (1967) Distribution of Clostridium botulinum in soil and water in the U.S.S.R. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 13-19. Kristjánsson, M., Samore, M.H., Gerding, D.N., DeGirolami, P.C., Bettin, K.M., Karchmer, A.W. and Arbeit, R.D. (1994) Comparison of restriction endonuclease analysis, ribotyping, and pulsed-field gel electrophoresis for molecular differentiation of Clostridium difficile strains. J. Clin. Microbiol. 32, 1963-1969. Lamanna, C. (1959) The most poisonous poison. Science 130, 763-772. Larson, A.E., Johnson, E.A., Barmore, C.R. and Hughes, M.D. (1997) Evaluation of the botulism hazard from vegetables in modified atmosphere packaging. J. Food Prot. 60, 1208-1214. Laycock, R.A. and Loring, D.H. (1972) Distribution of Clostridium botulinum type E in the Gulf of St. Lawrence in relation to the physical environment. Can. J. Microbiol. 18, 763-773. Leistner, L. and Rodel, W. (1976) The stability of intermediate moisture foods with respect to microorganisms. In: Davies, R., Birch, G.G. and Parker, K.J. (eds.) Intermediate moisture foods. Applied Science Publishers, London, UK, pp. 120-134. Lin, W.-J. and Johnson, E.A. (1995) Genome analysis of Clostridium botulinum type A by pulsed-field gel electrophoresis. Appl. Environ. Microbiol. 61, 4441-4447. Lindroth, S.E. and Genigeorgis, C.A. (1986) Probability of growth and toxin production by nonproteolytic Clostridium botulinum in rockfish stored under modified atmospheres. Int. J. Food Microbiol. 3, 167-181. Lindström, M., Jankola, H., Hielm, S., Hyytiä, E. and Korkeala, H. (1999) Identification of Clostridium botulinum with the API 20 A, Rapid ID 32 A and RapID ANA II. FEMS Immunol. Med. Microbiol. In press. Logonne, J.L. (1993) Introduction to pulsed-field gel electrophoresis. Methods Moll. Cell. Biol. 4, 49-55. Lund, B.M. and Peck, M.W. (1994) Heat resistance and recovery of spores of non-proteolytic Clostridium botulinum in relation to refrigerated, processed foods with an extended shelf-life. J. Appl. Bacteriol. Symp. Suppl. 76, 115S-128S. Lyhs, U., Björkroth, J., Hyytiä, E. and Korkeala, H. (1998) The spoilage flora of vacuum-packaged, sodium nitrite or potassium nitrate treated, cold-smoked rainbow trout stored at 4oC or 8oC. Int. J. Food Microbiol. 45, 135-142. Lynt, R.K., Kautter, D.A. and Solomon, H.M. (1982) Differences and similarities among proteolytic and nonproteolytic strains of Clostridium botulinum types A, B, E and F: a review. J. Food Prot. 45, 466-474. MacPherson, J.M., Eckstein, P.E., Scoles, G.J. and Gajadhar, A.A. (1993) Variability of the random amplified polymorphic DNA assay among thermal cyclers, and effects of primer and DNA concentration. Mol. Cell. Probes 7, 293-299. Majkowski, J. (1997) Strategies for rapid response to emerging foodborne microbial hazards. Emerg. Infect. Dis. 3, 551-554. Malathum, K., Singh, K.V., Weinstock, G.M. and Murray, B.M. (1998) Repetitive sequence-based PCR versus pulsed-field gel electrophoresis for typing Enterococcus faecalis at the subspecies level. J. Clin. Microbiol. 36, 211-215. Marmur, J. (1961) Procedures for the isolation of deoxyribonucleic acid from micro-organisms. J. Mol. Biol. 3, 208-218. Martin, B., Humbert, O., Camara, M., Guenzi, E., Walker, J., Mitchell, T., Andrew, P., Prudhomme, M., Alloing, G., Hakenbeck, R., Morrison, D.A., Boulnois, G.J. and Claverys, J.-P. (1992) A highly conserved repeated DNA element located in the chromosome of Streptococcus pneumoniae. Nucleic Acids Res. 20, 3479-3483. Maslow, J.N., Mulligan, M.E. and Arbeit, R.D. (1993a) Molecular epidemiology: application of contemporary techniques to the typing of microorganisms. Clin. Infect. Dis. 17, 153-164. Maslow, J.N., Slutsky, A.M. and Arbeit, R.D. (1993b) Application of pulsed-field gel electrophoresis to molecular epidemiology. In: Persing, D.H., Smith, T.F., Tenover, F.C. and White, T.J. (eds.) Diagnostic molecular microbiology: principles and applications. ASM Press, Washington D.C., USA, pp. 563-572. Matushek, M.G., Bonten, M.J.M. and Hayden, M.K. (1996) Rapid preparation of bacterial DNA for pulsed-field gel electrophoresis. J. Clin. Microbiol. 34, 2598-2600. McMeekin, T.A., Brown, J., Krist, K., Miles, D., Neumeyer, K., Nichols, D.S., Olley, J., Presser, K., Ratkowsky, D.A., Ross, T., Salter, M. and Soontranon, S. (1997) Quantitative microbiology: a basis for food safety. Emerg. Infect. Dis 3, 541-549. McMeekin, T.A., Ross, T. and Olley, J. (1992) Application of predictive microbiology to assure the quality and safety of fish and fish products. Int. J. Food Microbiol. 15, 13-32. McMillin, D.E. and Muldrow, L.L. (1992) Typing of toxic strains of Clostridium difficile using DNA fingerprints generated with arbitrary polymerase chain reaction primers. FEMS Microbiol. Lett. 92, 5-10. Meng, J. and Genigeorgis, C.A. (1993) Modeling lag phase of nonproteolytic Clostridium botulinum toxigenesis in cooked turkey and chicken breast as affected by temperature, sodium lactate, sodium chloride and spore inoculum. Int. J. Food Microbiol. 19, 109-122. Meng, J. and Genigeorgis, C.A. (1994) Delaying toxigenesis of Clostridium botulinum by sodium lactate in sous-vide products. Lett. Appl. Microbiol. 19, 20-23. Miller, L.G., Clark, P.S. and Kunkle, G.A. (1972) Possible origin of Clostridium botulinum contamination of Eskimo foods in Northwestern Alaska. Appl. Microbiol. 23, 427-428. Moxon, E.R., Rainey, P.B., Nowak, M.A. and Lenski, R.E. (1994) Adaptive evolution of highly mutable loci in pathogenic bacteria. Curr. Biol. 4, 24-33. NFPA/CMI (1984) Botulism risk from post-processing contamination of commercially canned foods in metal containers. Container integrity task force, microbiological assessment group report J. Food Prot. 47, 801-816. Nickerson, J.T.R., Goldblith, S.A., DiGioia, G. and Bishop, W.W. (1967) The presence of Cl. botulinum, type E in fish and mud taken from the Gulf of Maine. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 25-33. Nielsen, S.F. and Petersen, H.O. (1967) Studies on the occurrence and germination of Clostridium botulinum in smoked salmon. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 66-72. Nordic Committee on Food Analysis (1974) Chloride. Determination in meat and fish products. NCFA method no. 89, Espoo, Finland. Nordic Committee on Food Analysis (1986) Aerobic micro-organisms. Enumeration at 30oC in meat and meat products. NCFA method no. 86, 2nd ed., Espoo, Finland. Nordic Committee on Food Analysis (1991a) Botulinum toxin. Detection in foods, blood and other test materials. NCFA method no. 79, 2nd ed., Espoo, Finland. Nordic Committee on Food Analysis (1991b) Clostridium botulinum. Detection in foods and other test materials. NCFA method no. 80, 2nd ed., Espoo, Finland. Nordic Committee on Food Analysis (1991c) Lactic acid bacteria. Determination in meat and meat products. NCFA method no. 140, Espoo, Finland. Nordin, H.R. (1969) The depletion of added sodium nitrite in ham. Can. Inst. Food Technol. J. 2, 79. Notermans, S., Hagenaars, A.M. and Kozaki, S. (1982) The enzyme-linked immunosorbent assay (ELISA) for the detection and determination of Clostridium botulinum toxins A, B, and E. Methods Enzym. 84, 223-238. Pace, P.J. and Krumbiegel, E.R. (1973) Clostridium botulinum and smoked fish production: 1963-1972. J. Milk Technol. 36, 42-49. Pace, P.J., Krumbiegel, E.R. and Wisniewski, H.J. (1972) The interrelationship of heat and relative humidity in the destruction of C. botulinum type E spores on whitefish chubs. Appl. Microbiol. 23, 750-757. Pace, P.J., Krumbiegel, E.R., Wisniewski, H.J. and Angelotti, R. (1967) The distribution of Cl. botulinum types in fish processed by smoking plants of the Milwaukee area. In: Ingram, M. and Roberts, T.A. (eds.) Botulism 1966. Proceedings of the fifth international symposium on food microbiology: Moscow, July 1966. Chapman and Hall Limited, London, UK, pp. 40-48. Peck, M.W. (1997) Clostridium botulinum and the safety of refrigerated processed foods of extended durability. Trends Food Sci. Technol. 8, 186-192. Peck, M.W., Fairbairn, D.A. and Lund, B.M. (1992) The effect of recovery medium on the estimated heat-inactivation of spores of non-proteolytic Clostridium botulinum. Lett. Appl. Microbiol. 15, 146-151. Peck, M.W., Fairbairn, D.A. and Lund, B.M. (1993) Heat-resistance of spores of non-proteolytic Clostridium botulinum estimated on medium containing lysozyme. Lett. Appl. Microbiol. 16, 126-131. Pelroy, G.A., Eklund, M.W., Paranjpye, R.N., Suzuki, E.M. and Peterson, M.E. (1982) Inhibition of Clostridium botulinum types A and E toxin formation by sodium nitrite and sodium chloride in hot-process (smoked) salmon. J. Food Prot. 45, 833-841. Pelroy, G., Peterson, M., Paranjpye, R., Almond, J. and Eklund, M. (1994) Inhibition of Listeria monocytogenes in cold-process (smoked) salmon by sodium nitrite and packaging method. J. Food Prot. 57, 114-119. Penner, G.A., Bush, A., Wise, R., Kim, W., Domier, L., Kasha, K., Laroche, A., Scoles, G., Molnar, S.J. and Fedak, G. (1993) Reproducibility of random amplified polymorphic DNA (RAPD) analysis among laboratories. PCR Methods Applic. 2, 341-345. Perigo, J.A., Whiting, E. and Basford, T.E. (1967) Observations on the inhibition of vegetative cells of Clostridium sporogenes by nitrite which had been autoclaved in laboratory medium discussed in the context of sublethally cured meats. J. Food Technol. 2, 377. Pierson, M.D. and Smoot, L.A. (1987) Nitrite, nitrite alternatives, and the control of Clostridium botulinum in cured meats. Crit. Rev. Food Sci. Nutr. 17, 141-187. Post, L.S., Lee, D.A., Solberg, M., Furgang, D., Specchio, J. and Graham, C. (1985) Development of botulinal toxin and sensory deterioration during storage of vacuum and modified atmosphere packaged fish fillets. J. Food Sci. 50, 990-996. Potter, M.D., Meng, J. and Kimsey, P. (1993) An ELISA for detection of botulinal toxin types A, B, and E in inoculated food samples. J. Food Prot. 56, 856-861. Reddy, N.R., Paradis, A., Roman, M.G., Solomon, H.M. and Rhodehamel, E.J. (1996) Toxin development by Clostridium botulinum in modified atmosphere-packaged fresh tilapia fillets during storage. J. Food Sci. 61, 632-635. Reddy, N.R., Roman, M.G., Villanueva, M., Solomon, H.M., Kautter, D.A. and Rhodehamel, E.J. (1997a) Shelf life and Clostridium botulinum toxin development during storage of modified atmosphere-packaged fresh catfish fillets. J. Food Sci. 62, 878-884. Reddy, N.R., Solomon, H.M., Yep, H., Roman, M.G. and Rhodehamel, E.J. (1997b) Shelf life and toxin development by Clostridium botulinum during storage of modified atmosphere-packaged fresh aquacultured salmon fillets. J. Food Prot. 60, 1055-1063. Rhodehamel, E.J., Reddy, N.R. and Pierson, M.D. (1992) Botulism: the causative agent and its control in foods. Food Control 3, 125-143. Richardson, K.C. (1994) Microbiological safety of chilled foods. Food Australia 46, 277-278. Roberts, T.A. (1975) The microbiological role of nitrite and nitrate. J. Sci. Fd. Agric. 26, 1755-1760. Roberts, T.A. (1997) Microbial growth and survival: developments in predictive modeling. Food Technol. 51 (4), 88-90. Roberts, T.A., Gibson, A.M. and Robinson, A. (1981) Prediction of toxin production by Clostridium botulinum in pasteurized pork slurry. J. Food Technol. 16, 337-355. Rodriguez, A. and Dezfulian, M. (1997) Rapid identification of Clostridium botulinum and botulinal toxin in food. Folia Microbiol. 42, 149-151. Sambrook, J., Fritsch, E.F. and Maniatis, T. (1989) Molecular cloning: a laboratory manual, 2nd ed. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, N.Y., USA, pp. 6.18-6.19. Samore, M., Killgore, G., Johnson, S., Goodman, R., Shim, J., Venkataraman, L., Sambol, S., DeGirolami, P., Tenover, F., Arbeit, R. and Gerding, D. (1997) Multicenter typing comparison of sporadic and outbreak Clostridium difficile isolates from geographically diverse hospitals. J. Infect. Dis. 176, 1233-1238. Samore, M.H., Kristjansson, M., Venkataraman, L., DeGirolami, P.C. and Arbeit, R.D. (1996) Comparison of arbitrarily-primed polymerase chain reaction, restriction enzyme analysis and pulsed-field gel electrophoresis for typing Clostridium difficile. J. Microbiol. Methods 25, 215-224. Shaffer, N., Wainwright, R.B., Middaugh, J.P. and Tauxe, R.V. (1990) Botulism among Alaska natives. The role of changing food preparation and consumption practices. West. J. Med. 153, 390-393. Schaffner, D.W. and Labuza, T.P. (1997) Predictive microbiology: where are we, and where are we going? Food Technol. 51 (4), 95-99. Schaffner, D.W., Ross, W.H. and Montville, T.J. (1998) Analysis of the influence of environmental parameters on Clostridium botulinum time-to-toxicity by using three modeling approaches. Appl. Environ. Microbiol. 64, 4416-4422. Schmidt, C.F., Lechowich, R.V. and Folinazzo, J.F. (1961) Growth and toxin production by type E Clostridium botulinum below 40oF. J. Food Sci. 26, 626-630. Schwarz, D.C. and Cantor, C.R. (1984) Separation of yeast chromosome-sized DNA by pulsed-field gel electrophoresis. Cell 37, 67-75. Scott, V.N. and Taylor, S.L. (1981) Effect of nisin on the outgrowth of Clostridium botulinum spores. J. Food Sci. 46, 117-120. Sergelidis, D., Abrahim, A., Sarimvei, A., Panoulis, C., Karaioannoglou, Pr. and Genigeorgis, C. (1997) Temperature distribution and prevalence of Listeria spp. in domestic, retail and industrial refrigerators in Greece. Int. J. Food Microbiol. 34, 171-177. Skinner, G.E. and Larkin, J.W. (1998) Conservative prediction of time to Clostridium botulinum toxin formation for use with time-temperature indicators to ensure the safety of foods. J. Food Prot. 61, 1154-1160. Skovgaard, N. (1992) Microbiological aspects and technological need: technological needs for nitrates and nitrites. Food Add. Cont. 9, 391-397. Slater, P.E., Addiss, D.G., Cohen, A., Leventhal, A., Chassis, G., Zehavi, A. and Costin, C. (1989) Foodborne botulism: an international outbreak. Int. J. Epidem. 18, 693-696. Sofos, J.N. and Busta, F.F. (1980) Alternatives to the use of nitrite as an antibotulinal agent. Food Technol. 34 (5), 244-251. Sofos, J.N., Busta, F.F. and Allen, C.E. (1979) Botulism control by nitrite and sorbate in cured meats: a review. J. Food Prot. 42, 739-770. Sperber, W.H. (1982) Requirements of Clostridium botulinum for growth and toxin production. Food Technol. 36 (12), 89-94. Stern, M.J., Ames, G.F.-L., Smith, N.H., Robinson, E.C. and Higgins, C.F. (1984) Repetitive extragenic palindromic sequences: a major component of the bacterial genome. Cell 37, 1015-1026. Stringer, S.C., Fairbairn, D.A. and Peck, M.W. (1997) Combining heat treatment and subsequent incubation temperature to prevent growth from spores of non-proteolytic Clostridium botulinum. J. Appl. Microbiol. 82, 128-136. Swaminathan, B. (1998) Network for molecular subtyping of Escherichia coli O157:H7 and other foodborne pathogens, abstr. In: Abstracts of the 98th General Meeting of American Society for Microbiology 1998, Atlanta, GA, USA. Szabo, E.A., Pemberton, J.M. and Desmarchelier, P.M. (1992) Specific detection of Clostridium botulinum type B by using the polymerase chain reaction. Appl. Environ. Microbiol. 58, 418-420. Tanaka, N., Traisman, E., Lee, M.H., Cassens, R.G. and Foster, E.M. (1980) Inhibition of botulinumtoxin formation in bacon by acid development. J. Food Prot. 43, 450-457. Tanaka, N., Traisman. E., Plantinga, P., Finn, L., Flom, W., Menske, L. and Guggisberg, J. (1986) Evaluation of factors involved in antibotulinal properties of pasteurized processed cheese spreads. J. Food Prot. 49, 526-531. Tenover, F.C., Arbeit, R.D. and Goering, R.V. (1997) How to select and interpret molecular strain typing methods for epidemiological studies of bacterial infections: a review for healthcare epidemiologists. Infect. Control Hosp. Epidemiol. 18, 426-439. Tenover, F.C., Arbeit, R.D., Goering, R.V., Mickelsen, P.A., Murray, B.E., Persing, D.H. and Swaminathan, B. (1995) Interpreting chromosomal DNA restriction patterns produced by pulsed-field gel electrophoresis: criteria for bacterial strain typing. J. Clin. Microbiol. 33, 2233-2239. Tjaberg, T.B. and Håstein, T. (1975) Utbredelse av Clostridium botulinum i norske fiskeoppdrettsanlegg. Norsk Veterinaertidsskrift 87, 718-720. Tompkin, R.B., Christiansen, L.N. and Shaparis, A.B. (1978) Enhancing nitrite inhibition of Clostridium botulinum with isoascorbate in perishable canned cured meat. Appl. Environ. Microbiol. 35, 59-61. Tompkin, R.B., Christiansen, L.N. and Shaparis, A.B. (1979) Iron and the antibotulinal efficacy of nitrite. Appl. Environ. Microbiol. 37, 351-353. Tyler, K.D., Wang, G., Tyler, S.D. and Johnson, W.M. (1997) Factors affecting reliability and reproducibility of amplification-based DNA fingerprinting of representative bacterial pathogens. J. Clin. Microbiol. 35, 339-346. Van Belkum, A. (1994) DNA fingerprinting of medically important microorganisms by use of PCR. Clin. Microbiol. Rev. 7, 174-184. Versalovic, J., Kapur, V., Mason, E.O., Snah, U., Koeuth, T., Lupski J.R. and Musser, J.M. (1993) Penicillin-resistant Streptococcus pneumoniae strains recovered in Houston: identification and molecular characterization of multiple clones. J. Infect. Dis. 167, 850-856. Versalovic, J., Koeuth, T. and Lupski, J.R. (1991) Distribution of repetitive DNA sequences in eubacteria and application to fingerprinting of bacterial genomes. Nucleic Acids Res. 19, 6823-6831. Wainwright, R.B., Heyward, W.L., Middaugh, J.P., Hatheway, C.L., Harpster, A.P. and Bender, T.R. (1988) Food-borne botulism in Alaska, 1947-1985: epidemiology and clinical findings. J. Infect. Dis. 157, 1158-1162. Walters, C.L. (1992) Reactions of nitrate and nitrite in foods with special reference to the determination of N-nitroso compounds. Food Add. Cont. 9, 441-447. Weber, J.T., Hibbs, R.G., Darwish, A., Mishu, B., Corwin, A.L., Rakha, M., Hatheway, C.L., El Sharkawy, S., El-Rahim, S.A., Al-Hamd, M.F.S., Sarn, J.E., Blake, P.A. and Tauxe, R.V. (1993) A massive outbreak of type E botulism associated with traditional salted fish in Cairo. J. Infect. Dis. 167, 451-454. Wenzel, R. and Herrmann, R. (1988) Repetitive DNA sequences in Mycoplasma pneumoniae. Nucleic Acids Res. 16, 8337-8350. Whiting, R.C. and Buchanan, R.L. (1994) Microbial modeling. Food Technol. 48 (6), 113-120. Whiting, R.C. and Call, J.E. (1993) Time of growth for proteolytic Clostridium botulinum. Food Microbiol. 10, 295-301. Whiting, R.C. and Oriente, J.C. (1997) Time-to-turbidity model for non-proteolytic type B Clostridium botulinum. Int. J. Food Microbiol. 36, 49-60. Williams, J.G.K., Kubelik, A.R., Livak, K.J., Rafalski, J.A. and Tingey, S.V. (1990) DNA polymorphisms amplified by arbitrary primers are useful genetic markers. Nucleic Acids Res. 18, 6531-6535. Woodburn, M.J., Somers, E., Rodriguez, J. and Schantz, E.J. (1979) Heat inactivation rates of botulinum toxins A, B, E and F in some foods and buffers. J. Food Sci. 44, 1658-1661. Woodruff, B.A., Griffin, P.M., McCroskey, L.M., Smart, J.F., Wainwright, R.B., Bryant, R.G., Hutwagner, L.C. and Hatheway, C.L. (1992) Clinical and laboratory comparison of botulism from toxin types A, B, and E in the United States, 1975-1988. J. Infect. Dis. 166, 1281-1286. Yamakawa, K. and Nakamura, S. (1992) Prevalence of Clostridium botulinum type E and coexistence of C. botulinum nonproteolytic type B in the river soil of Japan. Microbiol. Immunol. 36, 583-591. Zaleski, S., Daczkowska, E., Fik, A. and JóŸwiak, A. (1978) Surveys of the occurrence of Clostridium botulinum in fresh Baltic herrings. Acta Aliment. Pol. IV, 159-162. Öberg, S. (1994) Botulism. Epid-aktuellt 17, 5. |