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
Keywords
- 413 Veterinary science
- 1183 Plant biology, microbiology, virology
- 416 Food Science
International and National Collaboration
Publications and projects within past five years.
Publications 1992 2018
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 Access
File
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., 22 Dec 2018, In : International Journal of Food Microbiology. 293, p. 44-52 9 p.Research output: Contribution to journal › Article › Scientific › peer-review
Ecological fitness and interspecies interactions of food-spoilage-associated lactic acid bacteria: insights from the genome analyses and transcriptome profiles
Andreevskaya, M., 28 Jan 2017, Helsinki: University of Helsinki. 150 p.Research output: Thesis › Doctoral Thesis › Collection of Articles
Open Access
Exploring lot-to-lot variation in spoilage bacterial communities on commercial modified atmosphere packaged beef
Säde, E. J., Penttinen, K., Björkroth, K. J. & Hultman, J. J., Apr 2017, In : Food Microbiology. 62, p. 147–152 6 p.Research output: Contribution to journal › Article › Scientific › peer-review
Identification and Characterization of Yersinia from Food and Environmental Sources
Murros, A., 27 Oct 2017, Helsinki: University of Helsinki. 79 p.Research output: Thesis › Doctoral Thesis › Collection of Articles
Open Access
Prizes
Knight, First Class, of the Order of the White Rose of Finland
Johanna Björkroth (Recipient), 2008
Prize: Prizes and awards
Silver medal of the University of Helsinki
Johanna Björkroth (Recipient), 8 Sep 2014
Prize: Prizes and awards
Activities 1998 2019
MATINE (External organisation)
Johanna Björkroth (Board member)1 Dec 2019 → 1 Dec 2022
Activity: Membership types › Membership or other role in national/international committee, council, board
Ruokavirasto (External organisation)
Johanna Björkroth (Board member)23 Jan 2019 → 31 Dec 2020
Activity: Membership types › Membership or other role in national/international committee, council, board
Microbial spoilers in food
Johanna Björkroth (Attendee)28 Jun 2017 → 30 Jun 2017
Activity: Participating in or organising an event types › Public Talks
EVIRA (Finnish Food Safety Authority Evira) (External organisation)
Johanna Björkroth (Board member)1 Mar 2017 → 31 Dec 2018
Activity: Membership types › Membership or other role in national/international committee, council, board
Academy of Finland (External organisation)
Johanna Björkroth (Board member)9 Nov 2017 → 31 Dec 2018
Activity: Membership types › Membership or other role in national/international committee, council, board
Press / Media
Yle tutki juomapullojen pöpöt – Näin vaikutat pullosi puhtauteen
02/02/2017
1 media contribution
Press/Media: Press / Media
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
Reply for Helsingin Sanomat: Tohtoriohjelman uudistaminen on vielä kesken
26/08/2013
1 media contribution
Press/Media: Press / Media
Interview for Iltalehti: Näistä ruoista helteellä terveysvaara
05/08/2013
1 media contribution
Press/Media: Press / Media