Photo of Riikka Keto-Timonen
  • PL 66 (Agnes Sjöbergin katu 2), B422

    HELSINGIN YLIOPISTO

    Finland

  • PL 66 (Agnes Sjöbergin katu 2)

    00014

    Finland

20002020

Research output per year

If you made any changes in Pure these will be visible here soon.

Publications

2020

High prevalence of Clostridium botulinum in vegetarian sausages

Pernu, N., Keto-Timonen, R., Lindström, M. & Korkeala, H., Oct 2020, In : Food Microbiology. 91, 5 p., 103512.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2019

Insights into the Phylogeny and Evolution of Cold Shock Proteins: From Enteropathogenic Yersinia and Escherichia coli to Eubacteria

Tao, Y., Keto-Timonen, R., Jiang, X., Virtanen, J-P. & Korkeala, H., 2 Aug 2019, In : International Journal of Molecular Sciences. 20, 16, 14 p., 4059.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Prevalence and Dynamics of Pathogenic Yersinia enterocolitica 4/O:3 Among Finnish Piglets, Fattening Pigs, and Sows

Koskinen, J., Keto-Timonen, R., Virtanen, S., Vilar, M. J. & Korkeala, H., 6 Dec 2019, In : Foodborne Pathogens and Disease. 16, 12, p. 831-839 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Role of DEAD-box RNA helicase genes in the growth of Yersinia pseudotuberculosis IP32953 under cold, pH, osmotic, ethanol and oxidative stresses

Jiang, X., Keto-Timonen, R., Skurnik, M. & Korkeala, H., 9 Jul 2019, In : PLoS One. 14, 7, 13 p., e0219422.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Shopping Detail Information and Home Freezer Sampling Confirmed the Role of Commercial, Modified-Atmosphere Packaged Meatballs as a Vehicle for Listeriosis in Finland

Keto-Timonen, R., Markkula, A., Halkilahti, J., Huttunen, R., Räsänen, S., Salmenlinna, S., Heikkilä, A., Puisto, M., Närhinen, M., Hakkinen, M., Korkeala, H. & Jalava, K., 6 Aug 2019, In : Frontiers in public health. 7, 6 p., 216.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Strategiatyöpaja: eläinlääkärikoulutuksen suuntaviivat vuoteen 2030

Säde, E. & Keto-Timonen, R., Jun 2019, In : Suomen eläinlääkärilehti. 125, 5, p. 288-289 2 p.

Research output: Contribution to journalArticleProfessional

Suomalaisen naudan maksan kampylobakteerit ja hygieeninen laatu

Luoto, J., Keto-Timonen, R. & Kivistö, R., 2019.

Research output: Conference materialsPoster

2018
Open Access
File

Growth of Yersinia pseudotuberculosis Strains at Different Temperatures, pH Values, and NaCl and Ethanol Concentrations

Keto-Timonen, R., Pöntinen, A., Aalto-Araneda, M. & Korkeala, H., Jan 2018, In : Journal of Food Protection. 81, 1, p. 142-149 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2016

Cold shock proteins: A minireview with special emphasis on Csp-family of enteropathogenic Yersinia

Keto-Timonen, R. O., Hietala, N. M., Palonen, E. M., Hakakorpi, A., Lindström, M. K. & Korkeala, H. J., 22 Jul 2016, In : Frontiers in Microbiology. 7, 7 p., 1151.

Research output: Contribution to journalReview ArticleScientificpeer-review

Open Access
File

Large diversity of porcine Yersinia enterocolitica 4/O:3 in eight European countries assessed by multiple-locus variable-number tandem-repeat analysis

Alakurtti, S. M., Keto-Timonen, R. O., Virtanen, S. E., Ortiz Martinez, M. D. P., Laukkanen-Ninios, R. K. & Korkeala, H. J., 2016, In : Foodborne Pathogens and Disease. 13, 6, p. 289-295 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Listeria monocytogenes in ready-to-eat vacuum and modified atmosphere packaged meat and fish products of Estonian origin at retail level

Kramarenko, T., Roasto, M., Keto-Timonen, R. O., Mäesaar, M., Meremäe, K., Kuningas, M., Hörman, A. J. A. & Korkeala, H. J., 2016, In : Food Control. 67, p. 48-52 5 p.

Research output: Contribution to journalArticleScientificpeer-review

2015

Yersinia enterocolitican epidemiologia ja torjunta - kirjallisuuskatsaus

Translated title of the contribution: Epidemiology and prevention of Yersinia enterocolitica – A reviewKorkeala, H., Laukkanen-Ninios, R., Virtanen, S., Vilar, M., Keto-Timonen, R. & Fredriksson-Ahomaa, M., 2015, In : Suomen eläinlääkärilehti. 121, 9, p. 507-513 7 p.

Research output: Contribution to journalReview ArticleScientificpeer-review

2014

Botulinum neurotoxin risks and detection in environment, agriculture and food chains

Lindström, M., Keto-Timonen, R. & Korkeala, H., 2014, Molecular Aspects of Botulinum Neurotoxin. Foster, K. A. (ed.). New York: Springer, p. 229-258 30 p. (Current Topics in Neurotoxicity; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

2009

Type C bovine botulism outbreak due to carcass contaminated non-acidified silage

Myllykoski, J., Lindström, M., Keto-Timonen, R., Söderholm, H., Jakala, J., Kallio, H., Sukura, A. & Korkeala, H., 2009, In : Epidemiology and Infection. 137, 2, p. 284-293 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Elintarvikkeiden prosessointi ja pakkaaminen ja näiden vaikutus elintarvikkeiden säilyvyyteen: Suolan sekä nitraatin ja nitriitin käytön vaikutus elintarvikkeiden säilyvyyteen

Keto-Timonen, R., 2007, Elintarvikehygienia - ympäristöhygienia, elintarvike- ja ympäristötoksikologia. Korkeala, H. (ed.). Helsinki: WSOY Oppimateriaalit, p. 324-328 5 p.

Research output: Chapter in Book/Report/Conference proceedingChapterProfessional

Elintarvikkeiden prosessointi ja pakkaaminen ja näiden vaikutus elintarvikkeiden säilyvyyteen: Kuivaus ja kylmäkuivaus

Keto-Timonen, R., 2007, Elintarvikehygienia - ympäristöhygienia, elintarvike- ja ympäristötoksikologia. Korkeala, H. (ed.). Helsinki: WSOY Oppimateriaalit, p. 319-323 5 p.

Research output: Chapter in Book/Report/Conference proceedingChapterProfessional

2006

Contamination routes of Clostridium botulinum in the honey production environment

Nevas, M., Lindström, M., Hörman, A., Keto-Timonen, R. & Korkeala, H., 2006, In : Environmental Microbiology. 8, 6, p. 1085-1094 10 p.

Research output: Contribution to journalArticleScientificpeer-review

2005
2004

Effect of nitrite on growth of nonproteolytic Clostridium botulinum type B in Frankfurter-type sausage

Keto, R., Lindström, M. & Korkeala, H., 2004, Safety Assurance During Food Processing. Smulders, F. J. M. & Collins, J. D. (eds.). Wageningen, the Netherlands: Wageningen Academic Publishers, Vol. 2. p. 403-404 2 p. (Food Safety Assurance and Veterinary Public Health; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Effect of relative humidity on thermal destruction of Clostridium botulinum type E spores in vacuum-packed hot-smoked whitefish

Lindström, M., Nevas, M., Hielm, S., Keto, R. & Korkeala, H., 2004, Safety Assurance During Food Processing. Smulders, F. J. M. & Collins, J. D. (eds.). Wageningen, the Netherlands: Wageningen Academic Publishers, Vol. 2. p. 364-365 2 p. (Food Safety Assurance and Veterinary Public Health; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

2003

An improved amplified fragment length polymorphism (AFLP) protocol for discrimination of Listeria isolates

Keto-Timonen, R. O., Autio, T. J. & Korkeala, H. J., 2003, In : Systematic and Applied Microbiology. 26, 2, p. 236-244 9 p.

Research output: Contribution to journalArticleScientificpeer-review

2001

Effect of nitrite on growth of nonproteolytic Clostridium botulinum type B in Frankfurter-type sausage

Keto, R., Lindström, M. & Korkeala, H., 2001, Proceedings - EuroConference - Food Safety Assurance and Veterinary Public Health; the Topical Research Issues: Event 2 'Safety assurance during food processing'. Vienna: University of Veterinary Medicine Vienna, p. 103-104 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Effect of relative humidity on thermal destruction of Clostridium botulinum type E spores in vacuum-packed hot-smoked whitefish

Lindström, M., Nevas, M., Hielm, S., Keto, R. & Korkeala, H., 2001, Proceedings - EuroConference - Food Safety Assurance and Veterinary Public Health; the Topical Research Issues: Event 2 'Safety assurance during food processing'. Vienna: University of Veterinary Medicine Vienna, p. 74-75 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Multiplex PCR assay for detection and identification of Clostridium botulinum types A, B, E, and F in food and fecal material

Lindström, M., Keto, R., Markkula, A., Nevas, M., Hielm, S. & Korkeala, H., 2001, In : Applied and Environmental Microbiology. 67, 12, p. 5694-5699 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2000

Jauhelihan koostumus- ja hampurilaisten turvallisuusvalvontaprojekti

Pihlaspuro, K., Keto, R. & Rahkio, M., 2000, Elintarvikevirasto. 12 p. (Tutkimusraportteja; no. 2/2000)

Research output: Book/ReportCommissioned reportProfessional