Elias Dahlsten

Summary

Affiliation: University of Helsinki
Country: Finland

Publications

  1. doi request reprint Mechanisms of food processing and storage-related stress tolerance in Clostridium botulinum
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, FI 00014 Helsinki, Finland Electronic address
    Res Microbiol 166:344-52. 2015
  2. pmc Alternative sigma factor SigK has a role in stress tolerance of group I Clostridium botulinum strain ATCC 3502
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 79:3867-9. 2013
  3. pmc Involvement of two-component system CBO0366/CBO0365 in the cold shock response and growth of group I (proteolytic) Clostridium botulinum ATCC 3502 at low temperatures
    Miia Lindstrom
    Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 78:5466-70. 2012
  4. pmc Two-component signal transduction system CBO0787/CBO0786 represses transcription from botulinum neurotoxin promoters in Clostridium botulinum ATCC 3502
    Zhen Zhang
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    PLoS Pathog 9:e1003252. 2013
  5. pmc Involvement of Clostridium botulinum ATCC 3502 sigma factor K in early-stage sporulation
    David 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
  6. pmc The cold-induced two-component system CBO0366/CBO0365 regulates metabolic pathways with novel roles in group I Clostridium botulinum ATCC 3502 cold tolerance
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 80:306-19. 2014
  7. pmc Positive regulation of botulinum neurotoxin gene expression by CodY in Clostridium botulinum ATCC 3502
    Zhen Zhang
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 80:7651-8. 2014
  8. pmc Transcriptomic analysis of (group I) Clostridium botulinum ATCC 3502 cold shock response
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    PLoS ONE 9:e89958. 2014
  9. doi request reprint PCR assay for differentiating between Group I (proteolytic) and Group II (nonproteolytic) strains of Clostridium botulinum
    Elias Dahlsten
    Department of Food and Environmental Hygiene, University of Helsinki, Helsinki, Finland
    Int J Food Microbiol 124:108-11. 2008

Collaborators

Detail Information

Publications9

  1. doi request reprint Mechanisms of food processing and storage-related stress tolerance in Clostridium botulinum
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, P O Box 66, FI 00014 Helsinki, Finland Electronic address
    Res Microbiol 166:344-52. 2015
    ..Special attention is given to recent findings considering genetic mechanisms C. botulinum utilizes in detecting and countering these adverse conditions. ..
  2. pmc Alternative sigma factor SigK has a role in stress tolerance of group I Clostridium botulinum strain ATCC 3502
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 79:3867-9. 2013
    ....
  3. pmc Involvement of two-component system CBO0366/CBO0365 in the cold shock response and growth of group I (proteolytic) Clostridium botulinum ATCC 3502 at low temperatures
    Miia Lindstrom
    Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 78:5466-70. 2012
    ....
  4. pmc Two-component signal transduction system CBO0787/CBO0786 represses transcription from botulinum neurotoxin promoters in Clostridium botulinum ATCC 3502
    Zhen Zhang
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    PLoS Pathog 9:e1003252. 2013
    ..This is the first evidence of a negative regulator controlling botulinum neurotoxin production. Understanding the neurotoxin regulatory mechanisms is a major target of the food and pharmaceutical industries alike...
  5. pmc Involvement of Clostridium botulinum ATCC 3502 sigma factor K in early-stage sporulation
    David 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...
  6. pmc The cold-induced two-component system CBO0366/CBO0365 regulates metabolic pathways with novel roles in group I Clostridium botulinum ATCC 3502 cold tolerance
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 80:306-19. 2014
    ..The results provide insight to the mechanisms group I C. botulinum utilizes in coping with cold. ..
  7. pmc Positive regulation of botulinum neurotoxin gene expression by CodY in Clostridium botulinum ATCC 3502
    Zhen Zhang
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 80:7651-8. 2014
    ..GTP enhanced the binding affinity of CodY to the botA promoter, suggesting that CodY-dependent neurotoxin regulation is associated with nutritional status. ..
  8. pmc Transcriptomic analysis of (group I) Clostridium botulinum ATCC 3502 cold shock response
    Elias Dahlsten
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    PLoS ONE 9:e89958. 2014
    ..botulinum. The role of such regulators, CBO0477 and CBO0558A, in cold tolerance of C. botulinum ATCC 3502 was demonstrated by deteriorated growth of related mutants at 17°C. ..
  9. doi request reprint PCR assay for differentiating between Group I (proteolytic) and Group II (nonproteolytic) strains of Clostridium botulinum
    Elias 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...