Et profilbilde

Instituttleder
Gro Johnsen { "honorific-suffix": "Instituttleder", "fn": "Gro Johnsen", "tel": "Telefon: 51831780", "email": "gro.johnsen@uis.no" }

Avdeling/enhet Det teknisk- naturvitenskapelige fakultet
Institutt/senter Institutt for kjemi, biovitenskap og miljøteknologi
Rom KE C-232
Tlf priv/mob 479 56 311

Forskningsområder

Utvalgte publikasjoner

Tornes O, Johnsen G, Norgaard E. (2011) Biosolids as a renewable Resource, biogas and development of commercial fertiliser products at Ivar?s regional wastewater treatment plant in Stavanger, Norway. 12th Nordic Wastewater Conference, Helsinki, Finland, 14th to16th November 2011


Tornes O, Johnsen G, Norgaard E. 2010. Developing organic fertiliser products at Ivar?s regional waste treatment plant in Stavanger, Norway. 15th European Biosolids and Organic Resources Conference, Leeds, UK, 15th to17th November 2010

Rosef O, Johnsen G, Stølan A and Klaeboe H. 2008. Similarity of Campylobacter lari among human, animal, and water isolates in Norway. Foodborne Pathog Dis. 5 (1): 33-9.


Tornes O, Johnsen G, Paulsrud B. 2008. Validation of the Ivar thermal drying plant in Stavanger, Norway. 13th European Biosolids and Organic Resources Conference, Manchester, UK, 10th to13th November 2008

Skånseng B, Trosvik P, Johnsen G, Pedersen K, Wallin N, Rudi K. 2008. Co infection dynamics of a major Food borne zoonotic pathogen in chicken. Microorganisms and Health: Intestinal Bacteria, Probiotics and Pathogens, NorForsk Advanced Lecture Course, Conference, Ås Norway 10th to 16th June 2008


Skånseng B, Trosvik P, Zimonja M, Johnsen G, Bjerrum L, Pedersen K, Wallin N, Rudi K. 2007. Co Infection Dynamics of a Major Food Borne Zoonotic Pathogen in Chicken. PloSPathogens, Nov 16;3 (11),

Johnsen G, Kruse H and Hofshagen M. 2007. Genotyping of thermotolerant Campylobacter from poultry slaughterhouse by amplified fragment length polymorphism. Journal of Applied Microbiology, Aug, 103 (2), 271-9.


Norström M, Johnsen G, Hofshagen M, Tharaldsen H and Kruse H. 2007. Antimicrobial resistance in Campylobacter jejuni from broilers and broiler house environments in Norway. Journal of Food Protection, Mar, 70 (3), 736-8.

Johannessen GS, Johnsen G, Økland M, Cudjoe KS and Hofshagen M. 2007. Enumeration of thermotolerant Campylobacter spp. from poultry carcasses at the end of the slaughter line. Letters in Applied Microbiology, Jan, 44 (1), 92-7.


Johnsen G, Kruse H and Hofshagen M. 2006. Genotyping of Campylobacter jejuni from broiler carcasses and slaughterhouse environment by amplified fragment length polymorphism. Poultry Science, Dec, 85 (12), 2278-84.

Johnsen G, Kruse H and Hofshagen M. 2006. Genetic diversity of and description of transmission routes for Campylobacter on broiler farms by amplified fragment length polymorphism. Journal of Applied Microbiology, Nov, 101 (5), 1130-9.


G. Johnsen, K. Zimmerman, B-A. Lindstedt, T. Vardund, H. Herikstad, G. Kapperud (2006): Intestinal Carriage of Campylobacter jejuni and Campylobacter coli among Cattle from South-western Norway and comparative Genotyping of Bovine and Human Isolates by Amplified Fragment Length Polymorphism. Acta Vet.Scand. Jun 6, 48 (1), 4.

Gro Johnsen. Conference on future challenges to foodborne zoonoses, Cost 920, Ploufragan, France, 10th to 12th September 2006: Transmission routes for Campylobacter


Madelaine Norström, Gro Johnsen, Merete Hofshagen, Hanne Tharaldsen and Hilde Kruse (2006): Antimicrobial Resistance in Campylobacter jejuni from Environmental Sources in Primary Poultry Production in Norway. International Conference on Emerging Infectious Diseases, Atlanta, 19th to 22nd  March 2006

Gro Johnsen, Hilde Kruse, Bjørn-Arne Lindstedt and Merete Hofshagen (2006): Occurrence of Campylobacter lari in Norwegian broilers and environment. Emerging Campylobacteraceae in the food chain (CAMPYCHECK), Dublin, Irland, 8th February 2006


Gro Johnsen: Society for General Microbiology & Norwegian Microbiology Societies joint meeting - Bergen, Norway. 27 to 30 September 2005: Genotyping of Campylobacter from broiler slaughterhouse by AFLP

Gro Johnsen: Society for General Microbiology & Norwegian Microbiology Societies joint meeting - Bergen, Norway. 27 to 30 September 2005: Genotyping of Campylobacter from broilers and broiler farm environment by AFLP


G. Johnsen, H. Kruse, M. Hofshagen (2005): Genotyping of Campylobacter from Broilers and the Broiler Farm Environment by Amplified Fragment Length Polymorphism. 13th International CHRO conference, Queensland, Australia, 4 to 8 September 2005

G. Johnsen, H. Kruse, M. Hofshagen (2005): Genotyping of Campylobacter from Broiler Slaughter House by Amplified Fragment Length Polymorphism. Poster at the 13th International CHRO conference, Queensland, Australia, 4 to 8 September 2005


Gro Johnsen: Norwegian Microbiology Society, Voss, Norway, 4th to 6th February 2005: Genotyping of Campylobacter from the environment of broiler chicken farms by amplified length polymorphism.

Gro Johnsen: Norwegian Microbiology Society, Voss, Norway, 6 to 8 February 2004: Prevalence of Campylobacter in faeces from cattle and comparative fingerprinting analysis of selected Campylobacter jejuni strains by amplified fragment length polymorphism genotyping.


Gro Johnsen: Norwegian Microbiology Society, Voss, Norway, 7th to 9th February 2003. Occurrence of the genes for Shigatoxin production, stx1 and stx2, in faeces from cattle in the southwest part of Norway during 2000

G Johnsen, AKK Hestholm (2002): A PCR screening for stx1 and stx2 genes in faeces from cattle in the southwest part of Norway during 2000. The 18th international ICFMH symposium, Food Micro 2002, Lillehammer, Norway 18th to 23rd August 2002.


G Johnsen, Y Wasteson, E Heir, OI Berget, H Herikstad (2001): Escherichia coli O157:H7 in Faeces from Cattle, Sheep and Pigs in the Southwest Part of Norway during 1998 and 1999. International Journal of Food Microbiology. Vol 65/3, 193-200

AK Katla, H Kruse, G Johnsen, H Herikstad (2001): Antimicrobial susceptibility of starter culture bacteria used in Norwegian dairy products. International Journal of Food Microbiology. International Journal of Food Microbiology. Vol 67, 147-152


Jan Thomas Rosnes, Gro Haugvalstad Kleiberg and Gro Johnsen (2001): Survival of Campylobacter spp. in modified atmosphere packaged (MAP) meat products. 2nd Nordic FoodPack Conference, NORCONSERV, Stavanger, September 5th to7th 2001

Gro Johnsen: Norwegian Microbiology Society, Voss, Norway, 10 to 13 February 2000. E.coli O157 i feces fra storfe, småfe og svin slaktet i Midt-Rogaland i 1997 og 1998


G Johnsen, O I Berget, Y Wasteson, H Herikstad (1999): E.coli O157:H7 in faeces from cattle, sheep and pigs in the southwest part of Norway during 1998. Conference VTEC Concerted Action Pathogenicity and Virulence of VTEC 8th to 10th November 1999, Liege, Belgium

G.Kapperud, L.M.Rørvik, V.Hasseltvedt, E.A.Høiby, B.G.Iversen, K.Staveland, G.Johnsen, J.Leitao, H.Herikstad, Y.Andersson, G.Langeland, B.Gondrosen and J.Lassen (1995): Outbreak of Shigella sonnei Infection Traced to Imported Iceberg Lettuce. Journal of Clinical Microbiology. Mar.1995, 609- 614.


B.Bjerkeng and G.Johnsen (1995): Frozen Storage Quality of Rainbow Trout (Oncorhynchus mykiss) Fillets as Affected by Oxygen Availabilyty, Illumination and Fillet Pigment Content. Journal of Food science, Vol 60, 2.

Gro Johnsen, Inger Riska & Karl Håkon Skramstad (1992): Heat Resistance of Clostridium botulinum type E in a Model System. WEFTA (Western European Fish Technologists' Association) 22. Conference, Lisbon, Portugal 8th to 12th September 1992


Gro Johnsen: Survival of Listeria monocytogenes in fish products "Quality Assurance in the Fish Industry", Fiskeriminesteriets Forsknings Laboratorium, Copenhagen, Denmark, 26th to 30th August 1991

Gro Johnsen (1990): Colour Mesurements in Farmed Salmon and Trout, Conference "Chilling and freezing of new fish products", Aberdeen, UK, 18th to 20th September 1990


Pågående forskning

Arbeidserfaring

2012-present Head of Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Norway https://www.uis.no/faculty-of-science-and-technology/chemistry-bioscience-and-environmental-engineering/


2007-2012 Specialist Advisor, IVAR, Stavanger, Norway: https://www.ivar.no/home/ Assoc.Prof. University of Stavanger, Norway


2004-2006 PhD Research Fellow, Norwegian School of Veterinary Science /Norwegian University of Life Sciences (NMBU), Norway https://www.nmbu.no/en  Norwegian Veterinary Institute, Oslo, Norway https://www.vetinst.no/en Norwegian Institute of Public Health, Oslo, Norway https://www.fhi.no/en/


1993-2003 Norwegian Food Safety Authority, Stavanger, Norway https://www.mattilsynet.no/language/english/


1985-2002 Nofima, Stavanger, Norway https://nofima.no/en/



Vitenskapelige publikasjoner (fra CRISTin)

  • Rosef, Olav; Johnsen, Gro; Stølan, Aud; Klæboe, Halvdan (2008). Similarity of Campylobacter lari among human, animal, and water isolates in Norway. Foodborne pathogens and disease. ISSN 1535-3141. Volum 5. Hefte 1. s. 33-39.
  • Johannessen, Gro Skøien; Johnsen, Gro; Økland, Marianne; Cudjoe, Kofitsyo S; Hofshagen, Merete (2007). Enumeration of thermotolerant Campylobacter spp. from poultry carcasses at the end of the slaughter-line. Letters in Applied Microbiology. ISSN 0266-8254. Volum 44. Hefte 1. s. 92-97.
  • Johnsen, Gro; Kruse, Hilde; Hofshagen, Merete (2007). Genotyping of thermotolerant Campylobacter from poultry slaughterhouse by amplified-fragment length polymorphism. Journal of Applied Microbiology. ISSN 1364-5072. Volum 103. Hefte 2. s. 271-279.
  • Norström, Madelaine; Johnsen, Gro; Hofshagen, Merete; Tharaldsen, Hanne; Kruse, Hilde (2007). Antimicrobial resistance in Campylobacter jejuni from broilers and broiler house environments in Norway. Journal of Food Protection. ISSN 0362-028X. Volum 70. Hefte 3. s. 736-738.
  • Skånseng, Beate; Trosvik, Pål; Zimonja, Monika; Johnsen, Gro; Bjerrum, Lotte; Pedersen, Karl; Wallin, Nina; Rudi, Knut (2007). Co-Infection Dynamics of a Major Food-borne Zoonotic Pathogen in Chicken. PLoS Pathogens. ISSN 1553-7366. Volum 3. Hefte 11. s. 1-8. DOI: 10.1371/journal.ppat.0030175.
  • Johnsen, Gro; Kruse, Hilde; Hofshagen, Merete (2006). Genetic diversity of and description of transmission routes for Campylobacter on broiler farms by amplified-fragment length polymorphism. Journal of Applied Microbiology. ISSN 1364-5072. Volum 101. Hefte 5. s. 1130-1139.
  • Johnsen, Gro; Kruse, Hilde; Hofshagen, Merete (2006). Genotyping of Campylobacter jejuni from broiler carcasses and slaughterhouse environment by amplified fragment length polymorphism. Poultry Science. ISSN 0032-5791. Volum 85. Hefte 12. s. 2278-2284.
  • Johnsen, Gro; Zimmerman, K; Lindstedt, Bjørn Arne; Vardund, Traute; Herikstad, Hallgeir; Kapperud, Georg (2006). Intestinal carriage of Campylobacter jejuni and Campylobacter coli among cattle from South-western Norway and comparative genotyping of bovine and human isolates by amplified-fragment length polymorphism. Acta Veterinaria Scandinavica. ISSN 1751-0147. Volum 48. DOI: 10.1186/1751-0147-1-4.
  • Johnsen, Gro; Wasteson, Yngvild; Heir, Even; Berget, Odd Ivar; Herikstad, Hallgeir (2001). Escherichia coli O157:H7 in Faeces from Cattle, Sheep and Pigs in the Southwest Part of Norway during 1998 and 1999. International journal of food microbiology. ISSN 0168-1605. Volum 65. Hefte 3. s. 193-200.
  • Katla, Anne-Kirsten; Kruse, Hilde; Johnsen, Gro; Herikstad, Hallgeir (2001). Antimicrobial susceptibility of starter culture bacteria used in Norwegian dairy products. International journal of food microbiology. ISSN 0168-1605. Volum 167. s. 147-152.
  • Bjerkeng, Bjørn; Johnsen, Gro (1995). Frozen Storage Quality of Rainbow Trout (Oncorhynchus mykiss) Fillets as Affected by Oxygen Availabilyty, Illumination and Fillet Pigment Content. Journal of Food Science. ISSN 0022-1147. Volum 60. Hefte 2.
  • Kapperud, Georg; Rørvik, Liv Marit; Hasseltvedt, Viggo; Høiby, Ernst Arne; Iversen, Bjørn Gunnar; Staveland, Kristian; Johnsen, Gro; Leitao, J; Herikstad, Hallgeir; Andersson, Y; Langeland, Gunnar; Gondrosen, Bjørn; Lassen, Jørgen (1995). Outbreak of Shigella sonnei Infection Traced to Imported Iceberg Lettuce. Journal of Clinical Microbiology. ISSN 0095-1137. s. 609-614.
  • Johnsen, Gro (2006). Campylobacter in Norwegian poultry production, Molecular epidemiological aspects. Norwegian School of Veterinary Science. ISBN 82-7725-125-4. 78 s.
  • Johnsen, Gro (2012). Gull i kloakken. Universitetet i Stavanger, Tekna med flere; 2012-09-26 - 2012-09-27.
  • Tornes, Oddvar; Johnsen, Gro; Norgaard, Erik (2011). Biosolids as a renewable resource – biogas and development of commercial fertiliser products at Ivars regional wastewater treatment plant in Stavanger, Norway. NORDIWA; 2011-11-14 - 2011-11-16.
  • Tornes, Oddvar; Johnsen, Gro; Norgaard, Erik (2010). Developing organic fertiliser products at Ivar’s regional waste treatment plant in Stavanger, Norway. Aqua Enviro Technology Transfer; 2010-11-15 - 2010-11-17.
  • Johnsen, Gro (2009). Kan vi unngå sykdom med campylobacter.
  • Johnsen, Gro (2009). Variabilitet og feilkilder i mikrobiologisk analyse.
  • Skånseng, Beate; Trosvik, Pål; Zimonja, Monika; Johnsen, Gro; Bjerrum, Lotte; Pedersen, Karl; Wallin, Nina; Rudi, Knut (2008). Co-Infection Dynamics of a Majo food-Borne Zoonotic Pathogen in Chicken. 2008-06-10 - 2008-06-16.
  • Tornes, Oddvar; Johnsen, Gro; Paulsrud, Bjarne (2008). Validation of the Ivar thermal drying plant in Stavanger, Norway. Aqua Enviro Technology Transfer; 2008-11-10 - 2008-11-13.
  • Johnsen, Gro (2006). Transmission routes for Campylobacter. Cost 920; 2006-09-10 - 2006-09-12.
  • Johnsen, Gro; Kruse, Hilde; Lindstedt, Bjørn-Arne; Hofshagen, Merete (2006). Occurrence of Campylobacter lari in Norwegian broilers and environment. CAMPYCHECK; 2006-02-08 - 2006-02-09.
  • Norström, Madelaine; Johnsen, Gro; Hofshagen, Merete; Tharaldsen, Hanne; Kruse, Hilde (2006). Antimicrobial Resistance in Campylobacter jejuni from Environmental Sources in Primary Poultry Production in Norway. 2006-03-19 - 2006-03-22.
  • Johnsen, Gro (2005). Genotyping of Campylobacter from broiler slaughterhouse by AFLP. Society for General Microbiology & Norwegian Microbiology So; 2005-09-27 - 2005-09-30.
  • Johnsen, Gro (2005). Genotyping of Campylobacter from broilers and broiler farm environment by AFLP. Society for General Microbiology & Norwegian Microbiology So; 2005-09-27 - 2005-09-30.
  • Johnsen, Gro (2005). Genotyping of Campylobacter from the environment of broiler chicken farms by amplified-length polymorphism. Norsk forening for Mikrobiologi; 2005-02-04 - 2005-02-06.
  • Johnsen, Gro; Kruse, Hilde (2005). Genotyping of Campylobacter from Broiler Slaughter House by Amplified-Fragment Length Polymorphism.. CHRO; 2005-09-04 - 2005-09-08.
  • Johnsen, Gro; Kruse, Hilde; Hofshagen, Merete (2005). Genotyping of Campylobacter from Broilers and the Broiler Farm Environment by Amplified-Fragment Length Polymorphism. CHRO; 2005-09-04 - 2005-09-08.
  • Johnsen, Gro (2004). Prevalence of Campylobacter in faeces from cattle and comparative fingerprinting analysis of selected Campylobacter jejuni strains by amplified fragment length polymorphism genotyping. Norsk forening for Mikrobiologi; 2004-02-06 - 2004-02-08.
  • Børø, Kristin; Johnsen, Gro (2003). Erfaringer ved bruk av Movement ABC testen.
  • Johnsen, Gro (2003). Occurrence of the genes for Shigatoxin production, stx1 and stx2, in faeces from cattle in the southwest part of Norway during 2000.. Norsk forening for Mikrobiologi; 2003-02-07 - 2003-02-09.
  • Johnsen, Gro; Hestholm, Anne Kirsten Katla (2002). A PCR screening for stx1 and stx2 genes in faeces from cattle in the southwest part of Norway during 2000. Food Micro 2002; 2002-08-18 - 2002-08-23.
  • Rosnes, Jan Thomas; Kleiberg, Gro haugvaldstad; Johnsen, Gro (2001). Survival of Campylobacter spp. in modified atmosphere packaged (MAP) meat products. Norconserv; 2001-09-05 - 2001-09-07.
  • Johnsen, Gro (2000). E.coli O157 i feces fra storfe, småfe og svin slaktet i Midt-Rogaland i 1997 og 1998. Norsk forening for Mikrobiologi; 2000-02-10 - 2000-02-13.
  • Johnsen, Gro; Berget, Odd Ivar; Wasteson, Yngvild (1999). E.coli O157:H7 in faeces from cattle, sheep and pigs in the south west part of Norway during 1998. COST; 1999-11-08 - 1999-11-10.
  • Johnsen, Gro; Skramstad, Karl Håkon (1992). Heat Resistance of Clostridium botulinum type E in a Model System. Western European Fish Technologists' Association; 1992-09-08 - 1992-09-12.
  • Johnsen, Gro (1991). Survival of Listeria monocytogenes in fish products. Fiskeriminesteriets Forsknings-laboratorium; 1991-08-26 - 1991-08-30.
  • Johnsen, Gro (1990). Colour Mesurements in Farmed Salmon and Trout. University of Aberdeen; 1990-09-18 - 1990-09-20.