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List of works by Hannu Korkeala

A European-wide dataset to uncover adaptive traits of Listeria monocytogenes to diverse ecological niches

publication published on 28 April 2022

Accumulation of PCBs and Organochlorine Pesticides in River-Caught European River Lamprey (Lampetra fluviatillis) in Finland

scientific article published on 01 March 2006

Acid and heat tolerance of persistent and nonpersistent Listeria monocytogenes food plant strains

article

Adaptation of enteropathogenic Yersinia to low growth temperature

scientific article published on January 2010

Alternative sigma factor SigK has a role in stress tolerance of group I Clostridium botulinum strain ATCC 3502.

scientific article published on 5 April 2013

Alternative sigma factor σE has an important role in stress tolerance of Yersinia pseudotuberculosis IP32953

scientific article published on 19 July 2013

Alternative sigma factors SigF, SigE, and SigG are essential for sporulation in Clostridium botulinum ATCC 3502.

scientific article

An automated turbidimetric method for the identification of certain antibiotic groups in incurred kidney samples

scientific article published on 27 January 2004

Analysis of Clostridium botulinum serotype E strains by using multilocus sequence typing, amplified fragment length polymorphism, variable-number tandem-repeat analysis, and botulinum neurotoxin gene sequencing

scientific article published on 14 October 2011

Bayesian Estimation of the True Prevalence and of the Diagnostic Test Sensitivity and Specificity of Enteropathogenic Yersinia in Finnish Pig Serum Samples

scientific article

Bayesian modelling to identify the risk factors for Yersinia enterocolitica contamination of pork carcasses and pluck sets in slaughterhouses.

scientific article published on 18 December 2014

Characterisation of non-pathogenic Yersinia pseudotuberculosis-like strains isolated from food and environmental samples.

scientific article published on 21 November 2008

Characterization of European Yersinia enterocolitica 1A strains using restriction fragment length polymorphism and multilocus sequence analysis

scientific article published on 30 July 2016

Clostridium botulinum in cattle and dairy products

scientific article published on April 2010

Clostridium tyrobutyricum Strains Show Wide Variation in Growth at Different NaCl, pH, and Temperature Conditions

scientific article published on 01 October 2012

Cold Shock Proteins: A Minireview with Special Emphasis on Csp-family of Enteropathogenic Yersinia

scientific article

Comparative Genomic Hybridization Analysis of Yersinia enterocolitica and Yersinia pseudotuberculosis Identifies Genetic Traits to Elucidate Their Different Ecologies

scientific article

Comparative genomic hybridization analysis of two predominant Nordic group I (proteolytic) Clostridium botulinum type B clusters

scientific article published on 6 March 2009

Comparative genomic hybridization analysis shows different epidemiology of chromosomal and plasmid-borne cpe-carrying Clostridium perfringens type A.

scientific article

Contamination of carcasses with human pathogenic Yersinia enterocolitica 4/O:3 originates from pigs infected on farms

scientific article published on July 2009

Developing microbial spoilage population in vacuum-packaged charcoal-broiled European river lamprey (Lampetra fluviatilis)

scientific article published on 25 December 2004

Development of Human-Like scFv-Fc Neutralizing Botulinum Neurotoxin E

scientific article

Distribution of virF/lcrF-positive Yersinia pseudotuberculosis serotype O:3 at farm level.

scientific article published on May 2008

Diversity of proteolytic Clostridium botulinum strains, determined by a pulsed-field gel electrophoresis approach

scientific article

Efficient DNA fingerprinting of Clostridium botulinum types A, B, E, and F by amplified fragment length polymorphism analysis

scientific article

Elimination of botulinum neurotoxin (BoNT) type B from drinking water by small-scale (personal-use) water purification devices and detection of BoNT in water samples

scientific article published on April 2005

Enterococcus species dominating in fresh modified-atmosphere-packaged, marinated broiler legs are overgrown by Carnobacterium and Lactobacillus species during storage at 6 degrees C.

scientific article published in January 2005

Enumeration and isolation of cpe-positive Clostridium perfringens spores from feces

scientific article published on September 2004

Evaluation of isolation methods for pathogenic Yersinia enterocolitica from pig intestinal content

scientific article published on 23 July 2009

Evaluation of normalization reference genes for RT-qPCR analysis of spo0A and four sporulation sigma factor genes in Clostridium botulinum Group I strain ATCC 3502

article

Expression of signal transduction system encoding genes of Yersinia pseudotuberculosis IP32953 at 28°C and 3°C.

scientific article published on 20 September 2011

Factors associated with Listeria monocytogenes contamination of cold-smoked pork products produced in Latvia and Lithuania

scientific article published on 15 December 2006

Factors related to the prevalence of pathogenic Yersinia enterocolitica on pig farms

scientific article published on December 2011

Food-borne zoonoses, the EU zoonosis legislation and the prospects for food safety and consumer protection during primary animal production

scientific article published in January 2008

Functional csdA is needed for effective adaptation and initiation of growth of Clostridium botulinum ATCC 3502 at suboptimal temperature.

scientific article

Fur animal botulism hazard due to feed

scientific article published on 20 July 2010

Genes encoding putative DEAD-box RNA helicases in Listeria monocytogenes EGD-e are needed for growth and motility at 3°C.

scientific article

Genetic diversity and antimicrobial resistance of Yersinia enterocolitica isolated from pigs and humans in Lithuania

scientific article published on 12 December 2012

Growth of Group II Clostridium botulinum Strains at Extreme Temperatures

scientific article published on 01 November 2011

Hazard and control of group II (non-proteolytic) Clostridium botulinum in modern food processing

scientific article published on 09 February 2006

High prevalence of pathogenic Yersinia enterocolitica in pig cheeks

scientific article published on 4 May 2014

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 3502

scientific journal article

Infant botulism acquired from household dust presenting as sudden infant death syndrome

scientific article

Infant botulism with prolonged faecal excretion of botulinum neurotoxin and Clostridium botulinum for 7 months

scientific article published on 21 May 2013

Inhibition of toxigenesis of group II (nonproteolytic) Clostridium botulinum type B in meat products by using a reduced level of nitrite

scientific article published on 01 July 2012

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

scientific article published on 20 August 2019

Introduction of infected animals to herds is an important route for the spread of Yersinia enterocolitica infection between pig farms

scientific article published on January 2014

Involvement of Clostridium botulinum ATCC 3502 sigma factor K in early-stage sporulation

scientific article published on 27 April 2012

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

scientific article published on June 2012

Isolation and characterization of Yersinia-specific bacteriophages from pig stools in Finland

scientific article published on 9 January 2015

Laboratory diagnostics of botulism

scientific article

Large Diversity of Porcine Yersinia enterocolitica 4/O:3 in Eight European Countries Assessed by Multiple-Locus Variable-Number Tandem-Repeat Analysis

scientific article published on 18 March 2016

Listeria monocytogenes is common in wild birds in Helsinki region and genotypes are frequently similar with those found along the food chain

scientific article

Listeria monocytogenes isolates from invasive infections: variation of sero- and genotypes during an 11-year period in Finland ⬇️

scientific article

Listeria monocytogenes serotypes 1/2c and 3c possess inlH

scientific article published on 09 June 2011

Low Occurrence of Pathogenic Yersinia enterocolitica in Clinical, Food, and Environmental Samples: a Methodological Problem ⬇️

scientific article published on April 1, 2003

Management practices associated with the carriage of Yersinia enterocolitica in pigs at farm level

scientific article published on July 2013

Mechanisms of food processing and storage-related stress tolerance in Clostridium botulinum

scientific article

Molecular epidemiology of Yersinia enterocolitica infections

scientific article published on August 2006

Multiple-locus variable-number tandem-repeat analysis in genotyping Yersinia enterocolitica strains from human and porcine origins

scientific article published on May 2013

Multiplex PCR assay for toxinotyping Clostridium perfringens isolates obtained from Finnish broiler chickens

scientific article published in January 2005

Multiplex PCR for detection of botulinum neurotoxin-producing clostridia in clinical, food, and environmental samples.

scientific article published on 14 August 2009

Neutralization of Botulinum Neurotoxin Type E by a Humanized Antibody

scientific article published on 12 September 2016

Novel insights into the epidemiology of Clostridium perfringens type A food poisoning

scientific article published on 13 April 2010

PCR assay for differentiating between Group I (proteolytic) and Group II (nonproteolytic) strains of Clostridium botulinum

scientific article published on 21 February 2008

PFGE genotyping and antimicrobial susceptibility of Campylobacter in retail poultry meat in Estonia.

scientific article published on 19 December 2006

Pathogenic Yersinia enterocolitica 2/O:9 and Yersinia pseudotuberculosis 1/O:1 strains isolated from human and non-human sources in the Plateau State of Nigeria

scientific article published on 10 June 2009

Phenotypic and transcriptomic analyses of Sigma L-dependent characteristics in Listeria monocytogenes EGD-e

scientific article published on 25 May 2012

Piglets are a source of pathogenic Yersinia enterocolitica on fattening-pig farms

scientific article published on 3 February 2012

Plasmid-borne type E neurotoxin gene clusters in Clostridium botulinum strains

scientific article

Population structure of the Yersinia pseudotuberculosis complex according to multilocus sequence typing

scientific article published on 27 September 2011

Positive regulation of botulinum neurotoxin gene expression by CodY in Clostridium botulinum ATCC 3502.

scientific article published on 3 October 2014

Prevalence and diversity of Clostridium botulinum types A, B, E and F in honey produced in the Nordic countries.

scientific article

Prevalence and genetic diversity of enteropathogenic Yersinia spp. in pigs at farms and slaughter in Lithuania

scientific article published on 25 October 2012

Prevalence of Pathogenic Yersinia enterocolitica in Finnish Slaughter Pigs.

scientific article

Prevalence of enteropathogenic Yersinia in Estonian, Latvian, and Russian (Leningrad region) pigs

scientific article published on July 2009

Quantitative real-time reverse transcription-PCR analysis reveals stable and prolonged neurotoxin cluster gene activity in a Clostridium botulinum type E strain at refrigeration temperature.

scientific article published on 15 August 2008

Requirement for RNA helicase CsdA for growth of Yersinia pseudotuberculosis IP32953 at low temperatures.

scientific article published on 9 December 2011

Role of csp genes in NaCl, pH, and ethanol stress response and motility in Clostridium botulinum ATCC 3502

article

Role of flhA and motA in growth of Listeria monocytogenes at low temperatures

scientific article published on 02 June 2011

Roles of four putative DEAD-box RNA helicase genes in growth of Listeria monocytogenes EGD-e under heat, pH, osmotic, ethanol, and oxidative stress conditions

scientific article published on 20 July 2012

Sequencing of virulence genes shows limited genetic variability in Yersinia pseudotuberculosis

scientific article published on 15 November 2012

Sequencing the botulinum neurotoxin gene and related genes in Clostridium botulinum type E strains reveals orfx3 and a novel type E neurotoxin subtype

scientific article

Sporadic human Yersinia enterocolitica infections caused by bioserotype 4/O : 3 originate mainly from pigs

scientific article published on June 2006

The CLO3403/CLO3404 two-component system of Clostridium botulinum E1 Beluga is important for cold shock response and growth at low temperatures

scientific article published on November 2013

The cold-induced two-component system CBO0366/CBO0365 regulates metabolic pathways with novel roles in group I Clostridium botulinum ATCC 3502 cold tolerance

scientific article published on 25 October 2013

The detection and prevalence of Clostridium botulinum in pig intestinal samples

scientific article published on 27 June 2006

The prevalence of Clostridium botulinum in European river lamprey (Lampetra fluviatilis) in Finland

scientific article published on 28 February 2006

The two-component system CBO2306/CBO2307 is important for cold adaptation of Clostridium botulinum ATCC 3502

scientific article published on 14 June 2013

The ubiquitous nature of Listeria monocytogenes clones: a large-scale Multilocus Sequence Typing study

scientific article published on 16 December 2013

Thermal inactivation of nonproteolytic Clostridium botulinum type E spores in model fish media and in vacuum-packaged hot-smoked fish products

scientific article published on July 2003

Toward harmonization of the European food hygiene/veterinary public health curriculum

scientific article published in January 2012

Transcriptomic analysis of (group I) Clostridium botulinum ATCC 3502 cold shock response

scientific article

Transcriptomic and Phenotypic Analyses of the Sigma B-Dependent Characteristics and the Synergism between Sigma B and Sigma L in Listeria monocytogenes EGD-e

scientific article published on 23 October 2020

Transmission of Yersinia pseudotuberculosis in the pork production chain from farm to slaughterhouse.

scientific article published on 18 July 2008

Two-Component-System Histidine Kinases Involved in Growth of Listeria monocytogenes EGD-e at Low Temperatures

scientific article

Two-component signal transduction system CBO0787/CBO0786 represses transcription from botulinum neurotoxin promoters in Clostridium botulinum ATCC 3502.

scientific article

Type C botulism due to toxic feed affecting 52,000 farmed foxes and minks in Finland

scientific article published on October 2004

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

scientific article published on 07 July 2008

Variation in the prevalence of enteropathogenic Yersinia in slaughter pigs from Belgium, Italy, and Spain

scientific article published on 26 February 2010

Wide variety of bioserotypes of enteropathogenic Yersinia in tonsils of English pigs at slaughter

scientific article published on 12 February 2010

Yersinia nurmii sp. nov.

scientific article

Yersinia pekkanenii sp. nov.

scientific article

virF-positive Yersinia pseudotuberculosis and Yersinia enterocolitica found in migratory birds in Sweden

scientific article

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