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Sidler, Xaver; Eichhorn, J; Geiser, V; Bürgi, E; Schüpbach, G; Overesch, G; Stephan, R; Schmitt, S; Hässig, Michael; Sydler, T (2015). Lungen- und Pleuraläsionen vor und nach der Flächensanierung gegen Enzootische Pneumonie und Actinobazillose sowie Organ- und Schlachtkörperveränderungen bei Schlachtschweinen in der Schweiz. Schweizer Archiv für Tierheilkunde, 157(12):665-673.

Althaus, D; Lehner, A; Brisse, S; Maury, M; Tasara, T; Stephan, R (2014). Characterization of Listeria monocytogenes strains isolated during 2011-2013 from human infections in Switzerland. Foodborne Pathogens and Disease, 11:753-758.

Arguedas-Villa, C; Kovacevic, J; Allen, K; Stephan, R; Tasara, T (2014). Cold growth behavior and genetic comparison of Canadian and Swiss Listeria monocytogenes strains associated with the food supply chain and human listeriosis cases. Food Microbiology, 40:81-87.

Zweifel, C; Stephan, R (2014). Microbial contamination during slaughtering. In: Ninios, T; Lundén, J; Korkeala, H; Fredriksson-Ahomaa, M. Meat inspection and control in the slaughterhouse. Oxford: John Wiley & Sons, 120-127.

Zbinden, C; Stephan, R; Johler, S; Borel, N; Bünter, J; Bruckmaier, R M; Wellnitz, O (2014). The Inflammatory Response of Primary Bovine Mammary Epithelial Cells to Staphylococcus aureus Strains Is Linked to the Bacterial Phenotype. PLoS ONE, 9(1):e87374.

Overesch, G; Stephan, R; Perreten, V (2013). Antimicrobial susceptibility of gram-positive udder pathogens from bovine mastitis milk in Switzerland. Schweizer Archiv für Tierheilkunde, 155:339-350.

Moser, A; Stephan, R; Sager, J; Corti, S; Lehner, A (2013). Arcanobacterium pluranimalium leading to a bovine mastitis: species identification by a newly developed pla gene based PCR. Schweizer Archiv für Tierheilkunde, 155(6):373-375.

Peng, S; Schafroth, K; Jakob, E; Stephan, R; Hummerjohann, J (2013). Behaviour of Escherichia coli strains along the semi-hard and hard raw milk cheese production process. International Dairy Journal, 31(2):117-120.

Stephan, R; Joutsen, S; Hofer, E; Säde, E; Björkroth, J; Ziegler, D; Fredriksson-Ahomaa, M (2013). Characteristics of Yersinia enterocolitica biotype 1A strains isolated from patients and asymptomatic carriers. European Journal of Clinical Microbiology & Infectious Diseases, 32(7):869-875.

Hächler, H; Kotsakis, S D; Tzouvelekis, L S; Geser, N; Lehner, A; Miriagou, V; Stephan, R (2013). Characterization of CTX-M-117, a Pro174Gln Variant of CTX-M-15 Extended-Spectrum β-Lactamase from a bovine Escherichia coli isolate. International Journal of Antimicrobial Agents, 41(1):94-95.

Schärer, K; Stephan, R; Tasara, T (2013). Cold shock proteins contribute to the regulation of listeriolysin o production in listeria monocytogenes. Foodborne Pathogens and Disease, 10:1023-1029.

Moser, A; Stephan, R; Corti, S; Johler, S (2013). Comparison of genomic and antimicrobial resistance features of latex agglutination test-positive and latex agglutination test-negative Staphylococcus aureus isolates causing bovine mastitis. Journal of Dairy Science, 96(1):329-334.

Margot, H; Stephan, R; O'Mahony, E; Iversen, C (2013). Comparison of rapid cultural methods for the detection of Salmonella species. International Journal of Food Microbiology, 163(2-3):47-50.

Lehner, A; Fricker-Feer, C; Stephan, R (2013). Cronobacter spp. ( E. sakazakii ): Ein Lebensmittelinfektionserreger. Hamburg: Behr's Verlag.

Zweifel, C; Cernela, N; Stephan, R (2013). Detection of the emerging Shiga toxin-producing Escherichia coli O26:H11/H- sequence type 29 (ST29) clone in human patients and healthy cattle in Switzerland. Applied and Environmental Microbiology, 79(17):5411-5413.

Reist, M; Geser, N; Hächler, H; Schärrer, S; Stephan, R (2013). ESBL-producing Enterobacteriaceae: occurrence, risk factors for fecal carriage and strain traits in the Swiss slaughter cattle population younger than 2 years sampled at abattoir level. PLoS ONE, 8(8):e71725.

Huber, H; Zweifel, C; Wittenbrink, M M; Stephan, R (2013). ESBL-producing uropathogenic Escherichia coli isolated from dogs and cats in Switzerland. Veterinary Microbiology, 162(2-4):992-996.

Margot, H; Cernela, N; Iversen, C; Zweifel, C; Stephan, R (2013). Evaluation of seven different commercially available real-time PCR assays for detection of shiga toxin 1 and 2 gene subtypes. Journal of Food Protection, 76(5):871-873.

Johler, S; Grunert, T; Stephan, R (2013). FTIR Spektroskopie zur Identifizierung von Mikroorganismen. In: Baumgart, J; Becker, B; Sephan, R. Mikrobiologische Untersuchung von Lebensmitteln. Hamburg: Behr's Verlag, 1-10.

Peng, S; Hoffmann, W; Bockelmann, W; Hummerjohann, J; Stephan, R; Hammer, P (2013). Fate of Shiga toxin-producing and generic Escherichia coli during production and ripening of semihard raw milk cheese. Journal of Dairy Science, 96(2):815-823.

Tasara, T; Cernela, N; Stephan, R (2013). Function impairing mutations in blaZ and blaR genes of penicillin susceptible Staphylococcus aureus strains isolated from bovine mastitis. Schweizer Archiv für Tierheilkunde, 155:359-364.

Drummond, N; Stephan, R; Haughton, P; Murphy, B; Fanning, S (2013). Further characterization of three Yersinia enterocolitica strains with a nalidixic acid-resistant phenotype isolated from humans with diarrhea. Foodborne Pathogens and Disease, 10(8):744-746.

Müller, A; Stephan, R; Fricker-Feer, C; Lehner, A (2013). Genetic diversity of Cronobacter sakazakii isolates collected from a Swiss infant formula production facility. Journal of Food Protection, 76(5):883-887.

Stephan, R; Grim, C J; Gopinath, G R; Mammel, M K; Sathyamoorthy, V; Trach, L H; Chase, H R; Fanning, S; Tall, B D (2013). Genome sequence of Enterobacter turicensis strain 610/05 (= LMG 23731), isolated from fruit powder. Genome Announcements:e00996-13.

Grim, C J; Gopinath, G R; Mammel, M K; Sathyamoorthy, V; Trach, L H; Chase, H R; Tall, B D; Fanning, S; Stephan, R (2013). Genome sequence of an Enterobacter helveticus strain, 1159/04 (= LMG 23733), isolated from fruit powder. Genome Announcements, 1(6):e01038-13.

Gopinath, G R; Grimm, C J; Tall, B D; Mammel, M K; Sathyamoorthy, V; Trach, L H; Chase, H R; Fanning, S; Stephan, R (2013). Genome sequences of two Enterobacter pulveris strains 601/05T (= LMG 24057T = DSM 19144T), and 1160/04 (= LMG 24058 = DSM 19146), isolated from fruit powder. Genome Announcements, 1(6):e00991-13.

Glasner, C; Sabat, A J; Chlebowicz, M A; Butaye, P; Fetsch, A; Guerra, B; Huber, H; Stephan, R; Torres, C; Vanderhaeghen, W; Voss, A; Wulff, M; van Dijl, J M (2013). High-resolution typing by MLVF unveils extensive heterogeneity of European livestock-associated methicillin-resistant Staphylococcus aureus isolates with the sequence type 398. International Journal of Medical Microbiology : IJMM, 303(3):124-127.

Schwizer, S; Tasara, T; Zurfluh, K; Stephan, R; Lehner, A (2013). Identification of genes involved in serum tolerance in the clinical strain Cronobacter sakazakii ES5. BMC Microbiology, 13:38.

Margot, H; Stephan, R; Guarino, S; Jagadeesan, B; Chilton, C; O'Mahony, E; Iversen, C (2013). Inclusivity, exclusivity and limit of detection of commercially available real-time PCR assays for the detection of Salmonella. International Journal of Food Microbiology, 165(3):221-226.

Zweifel, C; Corti, S; Hartnack, S; Stephan, R (2013). Keimzahlergebnisse aus Ziegentankmilchproben: Ein Vergleich zwischen kultureller Methode und Bactoscan-Technik. Schweizer Archiv für Tierheilkunde, 155(7):420-422.

Ebner, R; Johler, S; Sihto, H M; Stephan, R; Zweifel, C (2013). Microarray-based characterization of Staphylococcus aureus isolates obtained from chicken carcasses. Journal of Food Protection, 76(8):1471-1474.

Wang, J; Stephan, R; Karczmarczyk, M; Yan, Q; Hächler, H; Fanning, S (2013). Molecular characterisation of blaESBL-harbouring conjugative plasmids identified in multi-drug resistant Escherichia coli isolated from food-producing animals and healthy humans. Frontiers in Microbiology:4:188.

Stritt, A; Kottanattu, L; Bucher, B; Tschumi, S; Steinmann, M; von Steiger, N; Stephan, R; Hächler, H; Simonetti, G D (2013). Neonatal hemolytic uremic syndrome after mother-to-child transmission of a low virulent stx2b harbouring Shiga-toxin producing Escherichia coli. Clinical Infectious Diseases, 56:114-116.

Tobes, R; Manrique, M; Brozynska, M; Stephan, R; Pareja, E; Johler, S (2013). Noncontiguous finished genome sequence of Staphylococcus aureus KLT6 - a seb positive strain involved in a food poisoning outbreak in Switzerland in 2009. Genome Announcements:e00214-13.

Sarno, E; Keller, S; Wittenbrink, M M; Stephan, R (2013). Occurrence of Mycobacterium avium subsp. paratuberculosis in fecal samples of hunted deer, chamois and ibex in Switzerland. Schweizer Archiv für Tierheilkunde, 155:523-525.

Johler, S; Tichaczek-Dischinger, P; Rau, J; Sihto, H M; Lehner, A; Adam, M; Stephan, R (2013). Outbreak of Staphylococcal food poisoning due to SEA-producing Staphylococcus aureus. Foodborne Pathogens and Disease, 10(9):777-781.

Hächler, H; Marti, G; Giannini, P; Lehner, A; Jost, M; Beck, J; Weiss, F; Bally, B; Jermini, M; Stephan, R; Baumgartner, A (2013). Outbreak of listerosis due to imported cooked ham, Switzerland 2011. Eurosurveillance, 18(18):20469.

Grim, C J; Kotewicz, M L; Power, K A; Gopinath, G; Franco, A A; Jarvis, K G; Yan, Q Q; Jackson, S A; Sathyamoorthy, V; Hu, L; Pagotto, F; Iversen, C; Lehner, A; Stephan, R; Fanning, S; Tall, B D (2013). Pan-genome analysis of the emerging foodborne pathogen Cronobacter spp. suggests a species-level bidirectional divergence driven by niche adaptation. BMC Genomics, 14:366.

Joutsen, S; Sarno, E; Fredriksson-Ahomaa, M; Cernela, N; Stephan, R (2013). Pathogenic Yersinia enterocolitica O:3 isolated from a hunted wild alpine ibex. Epidemiology and Infection, 141(03):612-617.

Moser, A; Stephan, R; Corti, S; Lehner, A (2013). Resistance profiles and genetic diversity of Escherichia coli strains isolated from acute bovine mastitis. Schweizer Archiv für Tierheilkunde, 155(6):351-358.

Margot, H; Sägesser, G; Zweifel, C; Stephan, R (2013). Short communication: Performance of a commercially available latex agglutination test kit for the identification of Salmonella. Archiv für Lebensmittelhygiene, 64(3):75-77.

Peng, S; Hummerjohann, J; Stephan, R; Hammer, P (2013). Short communication: heat resistance of Escherichia coli strains in raw milk at different subpasteurization conditions. Journal of Dairy Science, 96(6):3543-3546.

Moser, A; Stephan, R; Ziegler, D; Johler, S (2013). Species distribution and resistance profiles of coagulase-negative staphylococci isolated from bovine mastitis in Switzerland. Schweizer Archiv für Tierheilkunde, 155:333-338.

Weinmaier, T; Riesing, M; Rattei, T; Bille, J; Arguedas-Villa, C; Stephan, R; Tasara, T (2013). The complete genome sequence of Listeria monocytogenes LL195 - a serotype 4b strain from the 1983 to 1987 listeriosis epidemic in Switzerland. Genome Announcements, 1(1):e00152-12.

Stephan, R (2013). Yersinia enterocolitica , Y. pseudotuberculosis. In: Baumgart, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln. Hamburg: Behr's Verlag, 1-10.

Johler, S; Moser, M; Engl, C; Tasara, T; Corti, S; Chen, J; Stephan, R (2012). A coagulase and α-glucosidase negative variant of Staphylococcus aureus - a challenge for routine microbiological diagnostics. Journal of Clinical Microbiology, 50(5):1827-1828.

Johler, S; Moser, M; Corti, S; Stephan, R (2012). A β-galactosidase negative E. coli leading to atypical colonies on RAPID’E.coli 2 agar. Journal of Food Safety and Food Quality, 63(6):179-181.

Hofer, E; Stephan, R; Reist, M; Zweifel, C (2012). Application of a real-time PCR-based system for monitoring of O26, O103, O111, O145, and O157 Shiga toxin-producing Escherichia coli in cattle at slaughter. Zoonoses and Public Health, 59(6):408-415.

Stephan, R; Houf, K (2012). Arcobacter spp. In: Baumgart, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln. Hamburg: Behr’s Verlag, 1-5.

Althaus, D; Hofer, E; Corti, S; Julmi, A; Stephan, R (2012). Bacteriological survey of ready-to-eat lettuce, fresh-cut fruits and sprouts collected from the Swiss market. Journal of Food Protection, 75(7):1338-1341.

Stephan, R; Hächler, H (2012). Campyobacter spp. In: Baumgart, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln. Hamburg: Behr’s Verlag, 1-5.

Wattinger, L; Stephan, R; Layer, F; Johler, S (2012). Comparison of Staphylococcus aureus isolates associated with food intoxication with isolates from human nasal carriers and human infections. European Journal of Clinical Microbiology and Infectious Diseases, 31(4):455-464.

Karczmarczyk, M; Stephan, R; Hächler, H; Fanning, S (2012). Complete nucleotide sequence of pVQS1 containing a quinolone resistance determinant from Salmonella enterica serovar Virchow associated with foreign travel. Journal of Antimicrobial Chemotherapy, 67(8):1861-1864.

Bonke, R; Wacheck, S; Stüber, E; Stephan, R; Fredriksson-Ahomaa, M (2012). Detection of Salmonella spp. in small ruminants using immunoassy and PCR. Journal of Food Safety and Food Quality, 63(6):175-178.

Brengi, S; O’Brien, S B; Pichel, M; Iversen, C; Arduino, M; Binsztein, N; Jensen, B; Pagotto, F; Ribot, E; Stephan, R; Cernela, N; Cooper, K; Fanning, S (2012). Development and validation of a PulseNet standardized protocol for sub-typing isolates of Cronobacter species. Foodborne Pathogens and Disease, 9(9):861-867.

Stephan, R; Hächler, H (2012). Discovery of extended-spectrum β-lactamase producing Escherichia coli among hunted deer, chamois and ibex. Schweizer Archiv für Tierheilkunde, 154(11):475-478.

Stephan, R; Loretz, M; Eggenberger, E; Grest, P; Basso, W; Grimm, F (2012). Erster Nachweis von Sarcocystis hjorti bei der Fleischuntersuchung von Rothirschen in der Schweiz. Schweizer Archiv für Tierheilkunde, 154(12):539-542.

Fricker-Feer, C; Stephan, R; Lehner, A (2012). Genetic diversity of different Cronobacter spp. isolates from cultural positive powdered infant formulae, ingredients and environment samples-consequences for epidemiological studies in processing plants. Milk Science International:250-253.

Bonke, R; Wacheck, S; Bumann, C; Thum, C; Stüber, E; König, M; Stephan, R; Fredriksson-Ahomaa, M (2012). High prevalence of salmonella enterica subsp. diarizonae in tonsils of sheep at slaughter. Food Research International, 45(2):880-884.

Lehner, A; Fricker-Feer, C; Stephan, R (2012). Identification of the recently described Cronobacter condimenti by a rpoB based PCR system. Journal of Medical Microbiology, 61(Pt 7):1034-1035.

Peng, S; Stephan, R; Hummerjohann, J; Blanco, J; Zweifel, C (2012). In vitro characterization of Shiga toxin-producing and generic Escherichia coli in respect of cheese-production relevant stresses. Journal of Food Safety and Food Quality, 63(5):136-141.

Vogel, G; Pfüger, V; Stephan, R (2012). MALDI-TOF MS zur Identifizierung von Mikroorganismen. In: Baumgart, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln. Hamburg: Behr’s Verlag, 1-5.

Zweifel, C; Stephan, R (2012). Microbial decontamination of poultry carcasses. In: Demirci, D; Ngadi, N. Microbial decontamination in the food industry: Novel methods and applications; Part 1. Pathogen contamination in different food products. Cambridge, UK: Woodheadpublishing, 1-15.

Zweifel, C; Obwegeser, T; Stephan, R (2012). Mikrobiologischer Status von Rotwild-, Rehwild- und Gamswild-Schlachttierkörpern. Fleischwirtschaft, 92(8):99-102.

Geser, N; Stephan, R; Korczak, B M; Beutin, L; Hächler, H (2012). Molecular Identification of Extended-Spectrum-β-Lactamase Genes from Enterobacteriaceae Isolated from Healthy Human Carriers in Switzerland. Antimicrobial Agents Chemotherapy, 56(3):1609-1612.

Geser, N; Stephan, R; Hächler, H (2012). Occurrence and characteristics of extended-spectrum beta-lactamase (ESBL) producing Enterobacteriaceae in food producing animals, minced meat and raw milk. BMC Veterinary Research, 8:21.

Sarno, E; Stephan, R; Zweifel, C (2012). Occurrence of Erysiolpelothrix spp., Salmonella spp. and Listeria spp. in tonsils of healthy Swiss pigs at slaughter. Journal of Food Safety and Food Quality, 63(1):11-15.

Mattila, M; Somervuo, P; Rattei, T; Korkeala, H; Stephan, R; Tasara, T (2012). Phenotypic and transcriptomic analyses of sigma L-dependent characteristics in Listeria monocytogenes EGDe. Food Microbiology, 32(1):152-164.

Bonalli, M; Stephan, R; Käppeli, U; Cernela, N; Adank, L; Hächler, H (2012). Salmonella enterica serotype Kentucky associated with human infections in Switzerland: genotype and resistance trends 2004-2009. Food Research International, 45(2):953-957.

Obwegeser, T; Stephan, R; Hofer, E; Zweifel, C (2012). Shedding of foodborne pathogens and microbial carcass contamination of hunted wild ruminants. Veterinary Microbiology, 159(1-2):149-154.

Hofer, E; Cernela, N; Stephan, R (2012). Shiga toxin subtypes associated with Shiga toxin-producing Escherichia coli strains isolated from red deer, roe deer, chamois and ibex. Foodborne Pathogens and Disease, 9(9):792-795.

Zweifel, C; Stephan, R (2012). Spices and herbs as source of salmonella-related foodborne diseases. Food Research International, 45(2):765-769.

Fredriksson-Ahomaa, M; Cernela, N; Hächler, H; Stephan, R (2012). Yersinia enterocolitica strains associated with human infections in Switzerland 2001-2010. European Journal of Clinical Microbiology and Infectious Diseases, 31(7):1543-1550.

Peng, S; Tasara, T; Hummerjohann, J; Stephan, R (2011). An overview of molecular stress response mechanisms in Escherichia coli contributing to survival of STEC during the raw milk cheese production. Journal of Food Protection, 74(5):849-864.

Loretz, M; Stephan, R; Zweifel, C (2011). Antibacterial activity of decontamination treatments for cattle hides and beef carcasses. Food Control, 22(3-4):347-359.

Loretz, M; Stephan, R; Zweifel, C (2011). Antibacterial activity of decontamination treatments for pig carcasses. Food Control, 22(8):1121-1125.

Kunz, F; Corti, S; Giezendanner, N; Stephan, R; Wittenbrink, M M; Zweifel, C (2011). Antibiotikaresistenz von Staphylococcus aureus und Koagulase-negativen Staphylokokken isoliert aus Mastitismilchproben von Schafen und Ziege. Schweizer Archiv für Tierheilkunde, 153(2):63-69.

Hässig, M; Sigrist, S M; Corti, S; Giezendanner, N; Stephan, R (2011). Bakteriell kontaminierte Desinfektionsmittel und Gerätschaften beim Melkakt als mögliche Ursache für Mastitiden. Schweizer Archiv für Tierheilkunde, 153(6):263-268.

Johler, S; Leyer, F; Stephan, R (2011). Comparison of virulence and antibiotic resistance genes of food poisoning outbreak isolates of Staphylococcus aureus with isolates obtained from bovine mastitis milk and pig carcasses. Journal of Food Protection, 74(11):1852-1859.

Stephan, R; Lehner, A; Tischler, P; Rattei, T (2011). Complete genome sequence of Cronobacter turicensis LMG 23827, a food-borne pathogen causing deaths in neonates. Journal of Bacteriology, 139(1):309-310.

Stephan, R (2011). Cronobacter spp. In: Baumgart, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln (Loseblatt-Ausg. 2011). Hamburg, DE: Behr.

Lehner, A; Fricker-Feer, C; Stephan, R (2011). Detection, identification and typing methods for Cronobacter spp. - a review. Journal of Food Safety and Food Quality, 62(5):145-148.

Fredriksson-Ahomaa, M; Wacheck, S; Bonke, R; Stephan, R (2011). Different enteropathogenic Yersinia strains found in wild boars and domestic pigs. Foodborne Pathogens and Disease, 8(6):733-736.

Lehner, A; Stephan, R; Fanning, S; Iversen, C (2011). Enterobacter. In: Liu, Y. Molecular Detection of Human Bacterial Pathogens. Boca Raton: CRC Press, 170-185.

Fricker-Feer, C; Cernela, N; Bolzan, S; Lehner, A; Stephan, R (2011). Evaluation of three commercially available real-time PCR based systems for detection of Cronobacter species. International Journal of Food Microbiology, 146(2):200-202.

Geser, N; Stephan, R; Kuhnert, P; Zbinden, R; Kaeppeli, U; Cernela, N; Haechler, H (2011). Fecal carriage of extended-spectrum β-lactamase-producing Enterobacteriaceae in swine and cattle at slaughter in Switzerland. Journal of Food Protection, 74(3):446-449.

Huber, H; Giezendanner, N; Stephan, R; Zweifel, C (2011). Genotypes, antibiotic resistance profiles and microarray-based characterization of Methicillin-resistant Staphylococcus aureus strains isolated from livestock and veterinarians in Switzerland. Zoonoses and Public Health, 58(5):343-349.

Stephan, R; Stanislawski, D; Zweifel, C (2011). Gewürze als Ursache von Lebensmittel-assoziierten Erkrankungen mit Salmonellen: Erkrankungsfälle durch mit Salmonellen kontaminierte Gewürze und Kräuter - aktuelle Literaturdaten. Fleischwirtschaft, 91(2):96-99.

Käppeli, U; Hächler, H; Giezendanner, N; Beutin, L; Stephan, R (2011). Human infections with non-O157 Shiga toxin–producing Escherichia coli, Switzerland, 2000–2009. Emerging Infectious Diseases, 17(2):180-185.

Eichenberger, R M; Stephan, R; Deplazes, P (2011). Increased sensitivity for the diagnosis of Taenia saginata cysticercus infection by additional heart examination compared to the EU-approved routine meat inspection. Food Control, 22(6):989-992.

Stephan, R (2011). Krank durch Meeresfrüchte – biologische Gefahren. In: Danuser, J. Schweizer Zoonosenbericht 2010. Bern, CH: Bundesamt für Veterinärwesen, 12-14.

Stephan, R; Hächler, H; Tasara, T (2011). Listeria monocytogenes. In: Baumgart, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln (Loseblatt-Ausg. 2011). Hamburg, DE: Behr.

Koller, S; Huber, H; Cernela, N; Stephan, R; Zweifel, C (2011). Methicillin-resistant Staphylococcus lentus strains isolated from chicken carcasses and employees of a poultry abattoir. Journal of Food Safety and Food Quality, 62(4):136-140.

Schärer, K; Savioz, S; Cernela, N; Sägesser, G; Stephan, R (2011). Occurrence of Vibrio spp. in fish and shellfish collected from the Swiss market. Journal of Food Protection, 74(8):1345-1347.

Huber, H; Ziegler, D; Pflüger, V; Vogel, G; Zweifel, C; Stephan, R (2011). Prevalence and characteristics of methicillin-resistant coagulase-negative staphylococci from livestock, chicken carcasses, bulk tank milk, minced meat, and contact persons. BMC Veterinary Research, 7:6.

Stephan, R; Cernela, N; Ziegler, D; Pflüger, V; Tonolla, M; Ravasi, D; Fredriksson-Ahomaa, M; Hächler, H (2011). Rapid species specific identification and subtyping of Yersinia enterocolitica by MALDI-TOF Mass spectrometry. Journal of Microbiological Methods, 87(2):150-153.

Bonalli, M; Stephan, R; Käppeli, U; Cernela, N; Adank, L; Hächler, H (2011). Salmonella enterica serotype Virchow associated with human infections in Switzerland: 2004-2009. BMC Infectious Diseases, 11:49.

Jost, M; Overesch, G; Stephan, R; Bruhn, S (2011). Salmonellen. In: Danuser, J. Schweizer Zoonosenbericht 2010. Bern, CH: Bundesamt für Veterinärwesen, 26-32.

Käppeli, U; Hächler, H; Giezendanner, N; Cheasty, T; Stephan, R (2011). Shiga toxin-producing Escherichia coli O157 associated with human infections in Switzerland, 2000-2009. Epidemiology and Infection, 139(7):1097-1104.

Stephan, R; Zweifel, C; Fach, P; Morabito, S; Beutin, L (2011). Shiga toxin-producing Escherichia coli in food. In: Hoorfar, J. Rapid detection, characterization, and enumeration of foodborne pathogens. Washington DC, US: ASM Press, 229-239.

Stephan, R (2011). Shigatoxin-bildende E. coli (STEC). In: Baumgart, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln (Loseblatt-Ausg. 2011). Hamburg, DE: Behr.

Stephan, R; Bruhn, S (2011). Shigatoxin-bildende Escherichia coli (STEC/EHEC). In: Danuser, J. Schweizer Zoonosenbericht 2010. Bern, CH: Bundesamt für Veterinärwesen, 38-41.

Stutz, K; Stephan, R; Tasara, T (2011). SpA, ClfA and FnbpA genetic variations lead to Staphaurex test negative phenotypes in bovine mastitis Staphylococcus aureus isolates. Journal of Clinical Microbiology, 49(2):638-646.

Michel, E; Stephan, R; Tasara, T (2011). The lmo0501 gene coding for a putative transcription activator protein in Listeria monocytogenes promotes growth under cold, osmotic and acid stress conditions. Food Microbiology, 28(7):1261-1265.

Schertenleib, T I; Stephan, R; Scheeder, M; Zweifel, C (2011). Visuelle und mikrobiologische Prozessanlaysse der Schweineschlachtung in einem Kleinbetrieb. Journal of Food Safety and Food Quality, 62(2):52-57.

Carranza, P; Grunau, A; Schneider, T; Hartmann, I; Lehner, A; Stephan, R; Gehrig, P; Grossmann, J; Groebel, K; Hoelzle, L E; Eberl, L; Riedel, K (2010). A gel-free quantitative proteomics approach to investigate temperature adaptation of the food-borne pathogen Cronobacter turicensis 3032. Proteomics, 10(18):3248-3261.

Arguedas-Villa, C; Stephan, R; Tasara, T (2010). Evaluation of cold growth and related gene transcription responses associated with Listeria monocytogenes strains of different origins. Food Microbiology, 27(5):653-660.

Loretz, M; Stephan, R; Zweifel, C (2010). Antimicrobial activity of decontamination treatments for poultry carcasses: a literature survey. Food Control, 21(6):791-804.

Zweifel, C; Giezendanner, N; Corti, S; Krause, G; Beutin, L; Stephan, R (2010). Characteristics of Shiga toxin-producing Escherichia coli isolated from Swiss raw milk cheese within a 3-year monitoring program. Journal of Food Protection, 73(1):88-91.

Hartmann, I; Carranza, P; Stephan, R; Lehner, A; Eberl, L; Riedel, K (2010). Genes involved in Cronobacter sakazakii biofilm formation. Applied and Environmental Microbiology, 76(7):2251-2261.

Lehner, A; Fricker-Feer, C; Gschwend, K; Stephan, R (2010). Identification of Enterobacteriaceae and Cronobacter spp. in raw milk, milk concentrate and milk powder: prevalence and genotyping. Archiv für Lebensmittelhygiene, 61(1):22-26.

Zweifel, C; Blatter, S; Kuhn, U; Stephan, R (2010). Isolierung und Charakterisierung von Listeria monocytogenes aus einem Convenience-Betrieb. Fleischwirtschaft, 90(10):137- 140.

Hofer, E; Haechler, H; Frei, R; Stephan, R (2010). Low occurrence of Clostridium difficile in fecal samples of healthy calves and pigs at slaughter and in minced meat in Switzerland. Journal of Food Protection, 73(5):973-975.

Popp, A; Fricker-Feer, C; Gschwend, K; Stephan, R (2010). PFGE-typing of Enterobacter cloacae, Klebsiella pneumoniae and Leclercia adecarboxylata isolates from an infant formula processing plant. Archiv für Lebensmittelhygiene, 61(4):125-164.

Popp, A; Cleenwerck, I; Iversen, C; De Vos, P; Stephan, R (2010). Pantoea gaviniae, sp. nov. and Pantoea calida, sp. nov. isolated from infant formula and infant formula production environment. International Journal of Systematic and Evolutionary Microbiology, 60(Pt. 12):2786-2792.

Blatter, S; Giezendanner, N; Stephan, R; Zweifel, C (2010). Phenotypic and molecular typing of Listeria monocytogenes isolated from the processing environment and products of a sandwich-producing plant. Food Control, 21(11):1519-1523.

Huber, H; Koller, S; Giezendanner, N; Stephan, R; Zweifel, C (2010). Prevalence and characteristics of meticillin-resistant Staphylococcus aureus in humans in contact with farm animals, in livestock, and in food of animal origin, Switzerland, 2009. Eurosurveillance, 15(16):19542.

Stephan, R; Ziegler, D; Pflüger, V; Vogel, G; Lehner, A (2010). Rapid genus and species specific identification of Cronobacter spp. by MALDI-TOF Mass spectrometry. Journal of Clinical Microbiology, 48(8):2846-2851.

Loepfe, C; Raimann, E; Stephan, R; Tasara, T (2010). Reduced host cell invasiveness and oxidative stress tolerance in double and triple csp gene family deletion mutants of L. monocytogenes. Foodborne Pathogens and Disease, 7(7):775-783.

Stephan, R; Haechler, H (2010). Salmonellen. In: Baumgärtner, J; Becker, B; Stephan, R. Mikrobiologische Untersuchung von Lebensmitteln. Hamburg: Behr's Verlag, 150-158.

Johler, S; Stephan, R (2010). Staphylococcal food poisoning: a current review. Archiv für Lebensmittelhygiene, 61(6):220-228.

Wacheck, S; Fredriksson-Ahomaa, M; Koenig, M; Stolle, A; Stephan, R (2010). Wild boars as an important reservoir for food-borne pathogens. Foodborne Pathogens and Disease, 7(3):307-312.

Johler, S; Stephan, R; Hartmann, I; Kuehner, K A; Lehner, A (2010). Yellow pigmentation in Cronobacter sakazakii ES5: Genes involved and influence on persistence and growth under environmental stress. Applied and Environmental Microbiology, 76(4):1053-1061.

Zihler, A; Le Blay, G; de Wouters, T; Lacroix, C; Braegger, C; Lehner, A; Tischler, P; Rattei, T; Hächler, H; Stephan, R (2009). In vitro inhibition activity of different bacteriocinproducing Escherichia coli against Salmonella strains isolated from clinical cases. Letters in Applied Microbiology, 49(1):31-38.

Schmid, B; Klumpp, J; Raimann, E; Loessner, M J; Stephan, R; Tasara, T (2009). Role of cold shock proteins in growth of Listeria monocytogenes under cold and osmotic stress conditions. Applied and Environmental Microbiology, 75(6):1621-1627.

Stannarius, C; Bürgi, E; Regula, G; Zychowska, A; Zweifel, C; Stephan, R (2009). Antimicrobial resistance in Escherichia coli strains isolated from Swiss weaned pigs and sows. Schweizer Archiv für Tierheilkunde, 151(3):119-125.

Tasara, T; Stephan, R (2009). Cold adaptation in L. monocytogenes: An overview of the various molecular mechanisms involved. In: Spano, G; Colelli, G. Survival and control of Pathogens in fresh cut Vegetables. Trivandrum: Transworld Research Network, 120-?.

Stoop, B; Lehner, A; Iversen, C; Fanning, S; Stephan, R (2009). Development and evaluation of rpoB based PCR systems to differentiate the six proposed species within the genus Cronobacter. International Journal of Food Microbiology, 136(2):165-168.

Lehner, A; Iversen, C; Fanning, S; Stephan, R (2009). Enterobacter. In: Dongyou, L. Molecular Detection of Foodborne Pathogens. Boca Raton: Taylor & Francis Group, 355-361.

Schmid, M; Iversen, C; Gontia, I; Stephan, R; Hofmann, A; Hartmann, A; Jha, B; Eberl, L; Riedel, K; Lehner, A (2009). Evidence for a plant associated natural habitat of Cronobacter spp. Research in Microbiology, 160(8):608-614.

Iversen, C; Lehner, A; Fricker-Feer, C; Gschwend, K; Stephan, R (2009). Genotyping of Cronobacter (Enterobacter sakazakii) strains isolated from an infant formula processing plant. Archiv für Lebensmittelhygiene, 60(2):66-72.

Popp, A; Iversen, C; Fricker-Feer, C; Gschwend, G; Stephan, R (2009). Identification of Enterobacteriaceae isolates from raw ingredients, environmental samples and products of an infant formula processing plant. Archiv für Lebensmittelhygiene, 60(3):92-97.

Weber, C; Stephan, R; Druggan, P; Joosten, H; Iversen, C (2009). Improving the enrichment procedure for Enterobacteriaceae detection. Food Microbiology, 26(6):565-572.

Zihler, A; Le Blay, G; de Wouters, T; Lacroix, C; Braegger, C; Lehner, A; Tischler, P; Rattei, T; Haechler, H; Stephan, R (2009). In vitro inhibition activity of different bacteriocin-producing E. coli against Salmonella strains isolated from clinical cases. Letters in Applied Microbiology, 49(1):31-38.

Healy, B; Huynh, S; Mullane, N; O’Brien, S; Iversen, C; Lehner, A; Stephan, R; Parker, C T; Fanning, S (2009). Microarray-based comparative genomic indexing of the Cronobacter genus (Enterobacter sakazakii). International Journal of Food Microbiology, 136(2):159-164.

Stephan, R; Zhang, W; Bielaszewska, M; Mellmann, A; Karch, H (2009). Phenotypic and genotypic traits of Shiga toxin-negative E. coli O157:H7/H- bovine and porcine strains. Foodborne Pathogens and Disease, 6(2):235-243.

Kuhnert, P; Korczak, B M; Stephan, R; Joosten, H; Iversen, D (2009). Phylogeny and prediction of genetic similarity of Cronobacter and related taxa by multilocus sequence analysis (MLSA). International Journal of Food Microbiology, 136(2):152-158.

Fredriksson-Ahomaa, M; Wacheck, S; Koenig, M; Stephan, R (2009). Prevalence of pathogenic Yersinia enterocolitica and Yersinia pseudotuberculosis in wild boars in Switzerland. International Journal of Food Microbiology, 135(3):199-202.

Carranza, P; Hartmann, I; Lehner, A; Stephan, R; Gehrig, P; Grossmann, J; Barkow-Oesterreicher, S; Roschitzki, B; Eberl, L; Riedel, K (2009). Proteomic profiling of Cronobacter turicensis 3032, a food-borne opportunistic pathogen. Proteomics, 9(13):3564-3579.

Presi, P; Stärk, K D; Stephan, R; Breidenbach, E; Frey, J; Regula, G (2009). Risk scoring for setting priorities in a monitoring of antimicrobial resistance in meat and meat products. International Journal of Food Microbiology, 130(2):94-100.

Raimann, E; Schmid, B; Stephan, R; Tasara, T (2009). The alternative sigma factor sigma(L) of L. monocytogenes promotes growth under diverse environmental stresses. Foodborne Pathogens and Disease, 6(5):583-591.

Zweifel, C; Nauer, T; Stephan, R (2009). Untersuchungen zum Wachstum und zur Persistenz von Escherichia coli O26:H11, O157:H7, O157:H45 und O159:H- bei Säurestress. Archiv für Lebensmittelhygiene, 60(7-8):135-140.

Kohler, R; Krause, G; Beutin, L; Stephan, R; Zweifel, C (2008). Shedding of food-borne pathogens and microbiological carcass contamination in rabbits at slaughter. Veterinary Microbiology, 132(1-2):149-157.

Schmid, H; Hächler, H; Stephan, R; Baumgartner, A; Boubaker, K (2008). Outbreak of Salmonella enterica serovar Typhimurium in Switzerland, May – June 2008, implications for production and control of meat preparations. Eurosurveillance, 13(44):1-4.

Hassler, C; Nitzsche, S; Iversen, C; Zweifel, C; Stephan, R (2008). Characteristics of Staphylococcus Hyicus strains isolated from pig carcasses in two different slaughterhouses. Meat Science, 80(2):505-510.

Schmid, H; Stephan, R; Aubert, U (2008). Shigatoxin-bildende E. coli. In: Danuser, J. Schweizer Zoonosebericht 2007. Bern: Bundesamt für Veterinärwesen, 42-45.

Joosten, H; Marugg, J; Stephan, R; Klijn, A; Jackson, T; Iversen, C (2008). A rapid and reliable alternative to ISO 21528-1:2004 for detection of enterobacteriaceae. International Journal of Food Microbiology, 125(3):344-346.

Zweifel, C; Scheu, K D; Keel, M; Renggli, F; Stephan, R (2008). Occurrence and genotypes of Campylobacter in broiler flocks, other farm animals, and the environment during several rearing periods on selected poultry farms. International Journal of Food Microbiology, 125(2):182-187.

Iversen, C; Mullane, N; McCardell, B; Tall, B D; Lehner, A; Fanning, S; Stephan, R; Joosten, H (2008). Cronobacter gen. nov., a new genus to accommodate the biogroups of Enterobacter sakazakii, and proposal of Cronobacter sakazakii gen. nov. comb. nov., C. malonaticus sp. nov., C. turicensis sp. nov., C. muytjensii sp. nov., C. dublinensis sp. nov., Cronobacter genomospecies 1, and of three subspecies, C. dublinensis sp. nov. subsp. dublinensis subsp. nov., C. dublinensis sp. nov. subsp. lausannensis subsp. nov., and C. dublinensis sp. nov. subsp. lactaridi subsp. nov. International Journal of Systematic and Evolutionary Microbiology, 58(6):1442-1447.

Iversen, C; Druggan, P; Schumacher, S; Lehner, A; Feer, C; Gschwend, K; Joosten, H; Stephan, R (2008). Development of a novel screening method for the isolation of "Cronobacter" spp. (Enterobacter sakazakii). Applied and Environmental Microbiology, 74(8):2550-2553.

Zweifel, C; Fischer, R; Stephan, R (2008). Microbiological contamination of pig and cattle carcasses in different small-scale Swiss abattoirs. Meat Science, 78(3):225-231.

Flütsch, F; Heinzmann, D; Mathis, A; Hertzberg, H; Stephan, R; Deplazes, P (2008). Case-control study to identify risk factors for bovine cysticercosis on farms in Switzerland. Parasitology, 135:641-646.

Grimm, M; Stephan, R; Iversen, C; Manzardo, G; Rattei, T; Riedel, K; Ruepp, A; Frishman, D; Lehner, A (2008). Cellulose as an extra-cellular matrix component present in Enterobacter sakazakii biofilms. Journal of Food Protection, 71(1):13-18.

Tasara, T; Bielaszewska, M; Nitzsche, S; Karch, H; Zweifel, C; Stephan, R (2008). Activatable Shiga toxin 2d (Stx2d) in STEC strains isolated from cattle and sheep at slaughter. Veterinary Microbiology, 131(1-2):199-204.

Fröhlicher, E; Krause, G; Zweifel, C; Beutin, L; Stephan, R (2008). Characterization of attaching and effacing Escherichia coli (AEEC) isolated from pigs and sheep. BMC Microbiology, 8:144.

Hricova, D; Stephan, R; Zweifel, C (2008). Electrolyzed water and its application in the food industry. Journal of Food Protection, 71(9):1934-1947.

Stephan, R; Van Trappen, S; Cleenwerck, I; Iversen, C; Joosten, H; De Vos, P; Lehner, A (2008). Enterobacter pulveris, sp. nov. isolated from fruit powder, infant formula and infant formula production environment. International Journal of Systematic and Evolutionary Microbiology, 58:237-241.

Stephan, R (2008). Nachweis von Enterobacter sakazakii (Cronobacter spp.). In: Becker, H; Baumgart, J; Bockemühl, J. Mikrobiologische Untersuchung von Lebensmitteln. Hamburg: Behr's Verlag, 34f-34n.

Zweifel, C; Kohler, R; Stephan, R (2008). Oberflächenkeimbelastung von Kaninchen-Schlachttierkörpern am Ende des Schlachtprozesses. Fleischwirtschaft, 7:104-107.

Stephan, R; Schumacher, S; Corti, S; Krause, G; Danuser, J; Beutin, L (2008). Prevalence and characteristics of Shiga toxin-producing Escherichia coli in Swiss raw milk cheeses collected at producer level. Journal of Dairy Science, 91:2561-2565.

Scheu, K D; Keel, M; Renggli, F; Stephan, R; Zweifel, C (2008). Untersuchungen zum Campylobacter-Eintrag in Mastgeflügelherden auf ausgewählten Betrieben in der Schweiz. Archiv für Lebensmittelhygiene, 59(5):164-169.

Iversen, C; Lehner, A D; Mullane, N; Bidlas, E; Cleenwerck, I; Marugg, J; Fanning, S; Stephan, R; Joosten, H (2007). The taxonomy of Enterobacter sakazakii: proposal of a new genus Cronobacter gen. nov. and descriptions of Cronobacter sakazakii comb. nov. Cronobacter sakazakii subsp. sakazakii, comb. nov., Cronobacter sakazakii subsp. malonaticus subsp. nov., Cronobacter turicensis sp. nov., Cronobacter muytjensii sp. nov., Cronobacter dublinensis sp. nov. and Cronobacter genomospecies 1. BMC Evolutionary Biology, 7:64.

Mange, J P; Stephan, R; Borel, N; Wild, P; Kim, K S; Pospischil, A; Lehner, A (2006). Adhesive properties of Enterobacter sakazakii to human epithelial and brain microvascular endothelial cells. BMC Microbiology, 6:58.

Lehner, A; Nitzsche, S; Breeuwer, P; Diep, B; Thelen, K; Stephan, R (2006). Comparison of two chromogenic media and evaluation of two molecular based identification systems for Enterobacter sakazakii detection. BMC Microbiology, 6:15.

Tasara, T; Hoelzle, L E; Stephan, R (2005). Development and evaluation of a Mycobacterium avium subspecies paratuberculosis (MAP) specific multiplex PCR assay. International Journal of Food Microbiology, 104(3):279-287.

Blanco, M A; Schumacher, S; Tasara, T; Zweifel, C; Blanco, J E; Dahbi, G; Blanco, J; Stephan, R (2005). Serotypes, intimin variants and other virulence factors of eae positive Escherichia coli strains isolated from healthy cattle in Switzerland. Identification of a new intimin variant gene (eae-η2). BMC Microbiology, 5:23.

Lehner, A J; Tasara, T; Stephan, R (2004). 16S rRNA gene based analysis of Enterobacter sakazakii strains from different sources and development of a PCR assay for identification. BMC Microbiology, 4:43.

Ledergerber, U; Regula, G; Stephan, R; Danuser, J; Bissig, B; Stärk, K D C (2003). Risk factors for antibiotic resistance in Campylobacter spp. isolated from raw poultry meat in Switzerland. BMC Public Health, 3:39.

Corti, S; Stephan, R (2002). Detection of Mycobacterium avium subspecies paratuberculosis specific IS900 insertion sequences in bulk-tank milk samples obtained from different regions throughout Switzerland. BMC Microbiology, 2:15.

Bleul, U; Bühler, K; Stephan, R; Pospischil, A; Braun, U (2002). Mastitis caused by Yersinia pseudotuberculosis in a cow. Veterinary Record, 151(25):767-769.

This list was generated on Sat Dec 16 16:20:28 2017 CET.