Research output per year
Research output per year
Personal profile
Description of research and teaching
Key research interests
Cold-tolerant LAB and Enterobacteriaceae as food spoilage organisms
Food safety aspects of cold-tolerant bacterial communities
Taxonomy and species diversity of psychrotrophic LAB and Enterobacteriaceae
Metabolic pathways associated with food spoilage
Contamination routes of spoilage bacteria in food processing
Adaptation and survival of food spoilage bacteria
Genomics, metagenomics and metatranscriptomics of food spoilage populations
Teaching
Intrinsic and extrinsic factors related to microbial growth in foods
Microbial taxonomy and classification
Sensory evaluation and microbial analyses of foods for quality determination
Contamination of foods with spoilage microbes
Microbial ecology of foods
Curriculum vitae
Short curriculum vitae
Education and training
Doctor of Veterinary Medicine (Finnish ELL) College of Veterinary Medicine, Helsinki, Finland 1990
PhD (Finnish ELT) Faculty of Veterinary Medicine, University of Helsinki 1997
Certificate of Proficiency in English, University of Cambridge, Local Examinations Syndicate 1997
Approbatur studies in university pedagogics, University of Helsinki 2002
Diplomate of the European College of Veterinary Public Health 2005
Specialist degree in leadership training (JET-koulutus, Haaga-Perho) 2006
The National Defence Course 188 / 2009
Academic posts
Assistant veterinarian (assistentti) 1997
Senior assistant veterinarian (yliassistentti) 1998
Docent in Food Hygiene (elintarvikehygienian dosentti) 1999
Professor of Food Hygiene (elintarvikehygienian professori) 2002
Main positions of trust
Vice-Rector, research and researcher training 2008-2013
The first Vice Dean of the Faculty of Veterinary Medicine 2004-2007
Fields of Science
- 413 Veterinary science
- 1183 Plant biology, microbiology, virology
- 416 Food Science
International and National Collaboration
Publications and projects within past five years.
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Growth and metabolic characteristics of fastidious meat-derived Lactobacillus algidus strains
Säde, E., Johansson, P., Heinonen, T., Hultman, J. & Björkroth, J., 16 Jan 2020, In: International Journal of Food Microbiology. 313, 8 p., 108379.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Longitudinal Metatranscriptomic Analysis of a Meat Spoilage Microbiome Detects Abundant Continued Fermentation and Environmental Stress Responses during Shelf Life and Beyond
Hultman, J., Johansson, P. & Bjorkroth, J., Dec 2020, In: Applied and Environmental Microbiology. 86, 24, 15 p., e01575-20.Research output: Contribution to journal › Article › Scientific › peer-review
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Two copies of the ail gene found in Yersinia enterocolitica and Yersinia kristensenii
Joutsen, S., Johansson, P., Laukkanen-Ninios, R., Björkroth, J. & Fredriksson-Ahomaa, M., Aug 2020, In: Veterinary Microbiology. 247, 6 p., 108798.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Metabolomics and bacterial diversity of packaged yellowfin tuna (Thunnus albacares) and salmon (Salmo salar) show fish species-specific spoilage development during chilled storage
Jääskeläinen, E., Jakobsen, L. M. A., Hultman, J., Eggers, N., Bertram, H. C. & Björkroth, J., Mar 2019, In: International Journal of Food Microbiology. 293, p. 44-52 9 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Food Spoilage-Associated Leuconostoc, Lactococcus, and Lactobacillus Species Display Different Survival Strategies in Response to Competition
Andreevskaya, M., Jääskelainen, E., Johansson, P., Ylinen, A., Paulin, L., Björkroth, J. & Auvinen, P., Jul 2018, In: Applied and Environmental Microbiology. 84, 13, 16 p., e00554-18.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile
Projects
- 1 Active
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FOODNUTRI: Climate smart food and nutrition research infrastructure
Heinonen, M., Mikkonen, K. S., Sandell, M., Piironen, V., Katina, K., Tenkanen, M., Jouppila, K., Koivula, H., Pajari, A., Björkroth, J., Maunula, L., Säde, E., Mäkelä, J. & Niva, M.
01/12/2020 → 30/11/2021
Project: Other project
Prizes
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Knight, First Class, of the Order of the White Rose of Finland
Björkroth, Johanna (Recipient), 2008
Prize: Prizes and awards
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Silver medal of the University of Helsinki
Björkroth, Johanna (Recipient), 8 Sep 2014
Prize: Prizes and awards
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Activities
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Ruokavirasto (External organisation)
Johanna Björkroth (Board member)
23 Jan 2019 → 31 Dec 2020Activity: Membership types › Membership or other role in national/international committee, council, board
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MATINE (External organisation)
Johanna Björkroth (Board member)
1 Dec 2019 → 1 Dec 2022Activity: Membership types › Membership or other role in national/international committee, council, board
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Microbial spoilers in food
Johanna Björkroth (Attendee)
28 Jun 2017 → 30 Jun 2017Activity: Participating in or organising an event types › Public Talks
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Evaluation of Emilia Norlund (ad personam) as docent
Johanna Björkroth (Participant)
9 Aug 2017Activity: Other activity types › Types for other activities - Other
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IAFP's European symposium 2017
Johanna Björkroth (Attendee)
31 Mar 2017Activity: Participating in or organising an event types › Public Talks
Press / Media
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What will happen after the coronavirus crisis? The University of Helsinki prepares for the post-pandemic period
Jaakko Kurhila, Tuuli Toivonen & Johanna Björkroth
22/04/2020
2 items of Media coverage
Press/Media: Press / Media
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The University of Helsinki’s University Collegium elected
Mikko Saikku, Tomi Mäkelä, Kurt Fagerstedt, Päivi Tammela, Klaus Olkkola, Johanna Björkroth & Anna Mykkänen
19/02/2018
1 item of Media coverage
Press/Media: Press / Media
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Yle tutki juomapullojen pöpöt – Näin vaikutat pullosi puhtauteen
02/02/2017
1 Media contribution
Press/Media: Press / Media
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Interview for the Finnish Veterinary Journal (Suomen Eläinlääkärilehti): Eläinlääkäri yliopiston johdossa (Veterinarian at the University management)
20/09/2013
1 Media contribution
Press/Media: Press / Media