Research Topics
| M K LindströmSummaryAffiliation: University of Helsinki Country: Finland Publications
| Collaborators
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Detail Information
Publications
Involvement of two-component system CBO0366/CBO0365 in the cold shock response and growth of group I (proteolytic) Clostridium botulinum ATCC 3502 at low temperaturesMiia Lindstrom
Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland
Appl Environ Microbiol 78:5466-70. 2012....- Involvement of Clostridium botulinum ATCC 3502 sigma factor K in early-stage sporulationDavid G Kirk
Department of Food Hygiene and Environmental Health, Centre of Excellence in Microbial Food Safety Research, Faculty of Veterinary Medicine, University of Helsinki, Finland
Appl Environ Microbiol 78:4590-6. 2012..subtilis. Understanding the sporulation mechanism of C. botulinum provides keys to control the public health risks that the spores of this dangerous pathogen cause through foods... 
Novel insights into the epidemiology of Clostridium perfringens type A food poisoningMiia Lindstrom
Department of Food Hygiene and Environmental Health, Centre of Excellence in Microbial Food Safety Research, Faculty of Veterinary Medicine, P O Box 66, 00014 University of Helsinki, Finland
Food Microbiol 28:192-8. 2011..perfringens food poisoning fail to detect and isolate many C. perfringens strains, distorting the epidemiological understanding of C. perfringens food poisoning...- Clostridium botulinum in cattle and dairy productsMiia Lindstrom
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
Crit Rev Food Sci Nutr 50:281-304. 2010.... - Comparative genomic hybridization analysis of two predominant Nordic group I (proteolytic) Clostridium botulinum type B clustersMiia Lindstrom
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, 00014 Helsinki University, Finland
Appl Environ Microbiol 75:2643-51. 2009..botulinum type B clusters present a public health hazard in Nordic countries. Knowing the genetic and physiological markers of these clusters will assist in targeting control measures against these pathogens... 
Identification of Clostridium botulinum with API 20 A, Rapid ID 32 A and RapID ANA IIM K Lindström
Department of Food and Environmental Hygiene, University of Helsinki, Finland
FEMS Immunol Med Microbiol 24:267-74. 1999..botulinum group II by the Rapid ID 32 A, 17 strains by the RapID ANA II, and one strain by the API 20 A. The results show that these test systems do not provide a reliable method for identification of C. botulinum...- Laboratory diagnostics of botulismMiia Lindstrom
Department of Food and Environmental Hygiene, University of Helsinki, P O Box 66, 00014 University of Helsinki, Finland
Clin Microbiol Rev 19:298-314. 2006..Therefore, the toxin-producing organisms should be routinely isolated from the patient and the vehicle. The physiological group and genetic traits of the isolates should be determined... - Hazard and control of group II (non-proteolytic) Clostridium botulinum in modern food processingMiia Lindstrom
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, P O Box 66, 00014 University of Helsinki, Finland
Int J Food Microbiol 108:92-104. 2006..This sets great challenges on the production of chilled packaged foods. To ensure the safety of these foods, more than one factor should safeguard against botulinal growth and toxin production... - Type C botulism due to toxic feed affecting 52,000 farmed foxes and minks in FinlandMiia Lindstrom
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
J Clin Microbiol 42:4718-25. 2004..6 or below according to the manufacturer, it seems unlikely that spore germination and toxin formation occurred during overnight storage. Hence, the events leading to toxin formation were not determined... - The prevalence of Clostridium botulinum in European river lamprey (Lampetra fluviatilis) in FinlandLauri O Merivirta
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, FIN 00014, Finland
Int J Food Microbiol 109:234-7. 2006..To control the potential risk, a storage temperature of 3 degrees C or below should be recommended for these products... - Proteolytic Clostridium botulinum type B in the gastric content of a patient with type E botulism due to whitefish eggsMiia Lindstrom
Department of Food and Environmental Hygiene, University of Helsinki, Finland
Foodborne Pathog Dis 1:53-7. 2004..This is the first domestic case of foodborne botulism in Finland... - PCR assay for differentiating between Group I (proteolytic) and Group II (nonproteolytic) strains of Clostridium botulinumElias Dahlsten
Department of Food and Environmental Hygiene, University of Helsinki, Helsinki, Finland
Int J Food Microbiol 124:108-11. 2008..botulinum is an essential step in investigation of human botulism outbreaks, and should be considered as a diagnostic corner-stone in order to improve our epidemiological understanding of human botulism... - The detection and prevalence of Clostridium botulinum in pig intestinal samplesJan Myllykoski
Department of Food and Environmental Hygiene, P. O. Box 66, 00014 University of Helsinki, Finland
Int J Food Microbiol 110:172-7. 2006..C. botulinum was isolated from two PCR-positive samples and confirmed to be type B by PCR. Both isolates were shown to be proteolytic and thus to represent C. botulinum group I... - Elimination of botulinum neurotoxin (BoNT) type B from drinking water by small-scale (personal-use) water purification devices and detection of BoNT in water samplesAri Hörman
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
Appl Environ Microbiol 71:1941-5. 2005..3 log10 units). The rapid EIAs intended for the detection of BoNT from various types of samples failed to detect BoNT from aqueous samples containing an estimated concentration of BoNT of 396,000 ng/liter... - Infant botulism acquired from household dust presenting as sudden infant death syndromeMari Nevas
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, 00014 Helsinki University, Finland
J Clin Microbiol 43:511-3. 2005.... - High prevalence of Clostridium botulinum types A and B in honey samples detected by polymerase chain reactionMari Nevas
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
Int J Food Microbiol 72:45-52. 2002..Strains of C. botulinum type A were isolated from 14 and type B from 2 of the 20 PCR-positive samples. This is the first report of type A spores of C. botulinum being detected and isolated in Fennoscandia... - Important role of class I heat shock genes hrcA and dnaK in the heat shock response and the response to pH and NaCl stress of group I Clostridium botulinum strain ATCC 3502Katja Selby
Department of Food Hygiene and Environmental Health, Agnes Sjöberginkatu 2, 00014 Helsinki University, Finland
Appl Environ Microbiol 77:2823-30. 2011..botulinum under the stressful environmental conditions that may be encountered during food processing or growth in food products, in the mammalian intestine, or in wounds... - Thermal inactivation of nonproteolytic Clostridium botulinum type E spores in model fish media and in vacuum-packaged hot-smoked fish productsMiia Lindstrom
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, PO Box 57, FIN 00014 Helsinki, Finland
Appl Environ Microbiol 69:4029-36. 2003..The sensory qualities of safely processed and more lightly processed whitefish were similar, while differences between the sensory qualities of safely processed and lightly processed rainbow trout were observed... - Antibacterial efficiency of Finnish spice essential oils against pathogenic and spoilage bacteriaMari Nevas
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, 00014 University of Helsinki, Finland
J Food Prot 67:199-202. 2004..By gas chromatography-mass spectrometry analysis, differences were noted in the composition of oregano and thyme oils in comparison to previous reports... - Adaptation of enteropathogenic Yersinia to low growth temperatureEveliina Palonen
Department of Food and Environmental Hygiene, University of Helsinki, Finland
Crit Rev Microbiol 36:54-67. 2010..Understanding low temperature adaptation of psychrotrophs would help to control these pathogens. This review demonstrates that more studies on cold tolerance mechanisms of psychrotrophs are needed... - Introducing scientific training into the veterinary curriculum of the University of HelsinkiHannu Korkeala
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, P O Box 66, 00014 University of Helsinki, Finland
J Vet Med Educ 36:83-8. 2009..It appears that organizing supervised research training within the veterinary curriculum increases veterinary students' interest in scientific work... - Group I Clostridium botulinum strains show significant variation in growth at low and high temperaturesKatja Hinderink
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, 00014 Helsinki, Finland
J Food Prot 72:375-83. 2009..The significant variation between strains of group I C. botulinum may have an impact on inoculation studies and predictive modeling when assessing the safety of foods... - Enumeration and isolation of cpe-positive Clostridium perfringens spores from fecesAnnamari Heikinheimo
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, FIN 00014 Helsinki University, Finland
J Clin Microbiol 42:3992-7. 2004..perfringens. The method also offers a new approach in the investigation of the epidemiology of cpe-positive C. perfringens strains... - Prevalence and diversity of Clostridium botulinum types A, B, E and F in honey produced in the Nordic countriesMari Nevas
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, 00014 Helsinki, Finland
Int J Food Microbiol 105:145-51. 2005..At a similarity level of 95%, four clusters were produced, three of which contained 20 of the 24 analysed strains. One of the clusters included isolates from both Denmark and Norway... - Humans as reservoir for enterotoxin gene--carrying Clostridium perfringens type AAnnamari Heikinheimo
University of Helsinki, Helsinki, Finland
Emerg Infect Dis 12:1724-9. 2006..The results also indicate that humans should be considered a risk factor for spread of C. perfringens type A food poisoning and that they are a possible source of contamination for C. perfringens type A food poisoning... - Diversity of proteolytic Clostridium botulinum strains, determined by a pulsed-field gel electrophoresis approachMari Nevas
Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, PO Box 66, 00014 Helsinki University, Finland
Appl Environ Microbiol 71:1311-7. 2005..botulinum types A and B. However, epidemiological conclusions based on PFGE data only should be made with discretion, since highly similar PFGE patterns were noticed, especially within the type B strains... - Contamination routes of Clostridium botulinum in the honey production environmentMari Nevas
Department of Food and Environmental Hygiene, PO Box 66, 00014 University of Helsinki, Helsinki, Finland
Environ Microbiol 8:1085-94. 2006..botulinum spores in honey could possibly be diminished by increasing hygienic level in honey production... - Quantitative real-time reverse transcription-PCR analysis reveals stable and prolonged neurotoxin cluster gene activity in a Clostridium botulinum type E strain at refrigeration temperatureYing Chen
Centre of Excellence in Microbial Food Safety Research, Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
Appl Environ Microbiol 74:6132-7. 2008..In light of group II C. botulinum type E being a dangerous food-borne pathogen, these findings may be important in terms of the safety of refrigerated packaged foods of extended durability... - Sequencing the botulinum neurotoxin gene and related genes in Clostridium botulinum type E strains reveals orfx3 and a novel type E neurotoxin subtypeYing Chen
Department of Food and Environmental Hygiene, P O Box 66, FIN 00014, University of Helsinki, Finland
J Bacteriol 189:8643-50. 2007..The amino acid sequence of the subtype E6 neurotoxin differed 3 to 6% from the other subtypes, suggesting that these subtype E6 neurotoxins may possess specific antigenic or functional properties...