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Irish Microbial Risk Assessment Network

Dr. Kieran Jordan

Contact Details:

Dr. Kieran Jordan
Tel: +353 (0)25 42451 
Email: kieran.jordan@teagasc.ie
Qualifications: B.Sc. (University College Galway)
M.Sc., Ph.D.(University College, Cork)  
Institute: Moorepark Food Research Centre


Areas of Expertise

  • Survival and occuranc of foodbourne pathogens in dairy products, including Enterbacter sakazakii, Listeria monocytogenes and VTEC.
  • Adaptive tolerance responses in foodbourne pathogens.
  • Applications of molecular methodology in the study of foodbourne pathogens.
  • Food Safety
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Research Projects

 

  • Research providing a knowledge base to support the sustainable development of the farmhouse cheese industry
  • Detection and survival of Mycobacterium avium subsp. Paratuberculosis (MAP)
  • Detection and surveillance of Enterobacter sakazakii along the infant formula food chain
  • Prevalence and epidemiology of emergent strains of verocytotoxigenic Escherichia coli (O157, O26 and O111) in Irish food animals at the pre-harvest and harvest levels of the food chain
  • Validation and standardisation of diagnostic Polymerase Chain Reaction for detection of food borne pathogens
  • Optimisation of methodology for detection of E. sakasakii and its occurrence in the environment
  • Plasma Sterilisation for the Inactivation of Food-borne Pathogens on the Surface of Foodstuffs and Packaging as a Minimal Processing Technology
  • Determination of numbers of Mycobacterium avium paratuberculosis (MAP) in raw milk and study of the effect of acid and heat on survival of field isolates of the organism
  • Milk quality for a changing dairy industry
  • Improved bio-traceability of unintended microorganisms and substances in food and feed chains

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Research Documents

  • Edward Fox, Martina O’Brien, Rita Dempsey, Tom O’Mahony, Triona Hunt and Kieran Jordan. 2009 The occurrence if Listeria monocytogenes in the Irish farm environment. Journal of Food Protection 72, 1450-1456.

  • Martina O’Brien, Karen Hunt, Sara McSweeney, Kieran Jordan 2009. Occurrence of foodborne pathogens in Irish farmhouse cheese. Food Microbiology, In Press.

  • Edward Fox and Kieran Jordan. Towards a one-step enrichment for Enterobacter sakazakii. 2008 Journal of Applied Microbiology, 105, 1091-1097

  • Benedict Arku, Edward Fox, Niall Mullane, Seamus Fanning and Kieran Jordan. 2008 Survival of Enterobacter sakazakii during spray-drying. International Journal of Dairy Technology 61, 102-108.

  • Edward Forde, Ivor Guiney, Catherine Adley, Catherine Barry, Kieran Jordan, Khalil Arshak. 2008. Theoretical and Experimental Considerations for Bacteria Sterilization using a Novel Multi-Electrode Dielectric Barrier Discharge System. IEEE Transactions on Plasma Science. 36, 2805-2815

  • Michael Callanan, Pawel Kaleta, John O'Callaghan, Orla O'Sullivan, Kieran Jordan, Olivia McAuliffe, Amaia Sangrador-Vegas, Lydia Slattery, Gerald Fitzgerald, Tom Beresford and R. Paul Ross. 2008. Genome sequence of Lactobacillus helveticus: an organism distinguished by selective gene loss and IS element expansion. Journal of Bacteriology 190, 727-735.

  • Lynch, D., Jordan, K.N., Kelly, P.M., Freyne, T. and Murphy, P.M.(2007). Heat sensitivity of Mycobacterium avium ssp. paratuberculosis in milk under pilot plant pasteurization conditions. International Journal of Dairy Technology 60:(2) 98-104.

  • Kenny, O., FitzGerald, R.J., Cuinn, G.O., Beresford, T. and Jordan, K.N. (2006). Autolysis of selected Lactobacillus helveticus adjunct strains during Chedder cheese ripening. International Dairy Journal 16: - 797 - 804 ISSN 0958-6946 12302 A1

  • Murphy, C., Carroll, C. and Jordan, K.N. (2006). Environmental Survival mechanisms of the foodborne pathogen Campylobacter jejuni. Journal of Applied Microbiology 100: - 623 - 632 ISSN 1364-5072 12298 A1

  • Jordan, K.N., Kelly, P.M. and O'Brien, B. (2006). Iodine measurement in milk. Abbott Ireland and DAF 4pp 12966 B5

  • C. Murphy, C. Carroll and K.N. Jordan. 2006 Survival mechanisms of the foodborne pathogen Campylobacter jejuni (Journal of Applied Microbiology 100: 623-632).

  • Jordan, K.N. and O'Brien, B. (2006). Milk Prevents brain damage. Moorepark News Issue 19 pg 3

  • Kieran N. Jordan and Matthew M. Maher. 2006 Sensitive Detection of Escherichia coli 0157:H7 by conventional Plating techniques. Journal of Food Protection 69: - (3), 689 - 6992 ISSN 0362-028X

  • K.N. Jordan, C. Murphy and C. Carroll. 2005 Campylobacter. In: Encyclopedia of Medical Genomics and Proteomics (Jurgen Fuchs and Maurizio Podda eds). Marcel Dekker, NY.

  • Kenny, O.M., FitzGerald, R.J., O'Cuinn, G., Beresford, T. and Jordan, K.N. (2005). Comparative analysis of the autolytic potential of Lactobacillus helveticus strains during Cheddar cheese ripening. International Journal of Dairy Technology 58: (4), 207-213 ISSN 1364-727X 11620 A1

  • MFRC No 48 - The Effect of Processing Parameters on Survival of Pathogens in Dairy Foods - Kieran Jordan, Pat Murphy, Olive Kenny, Caroline Murphy, Tom Freyne, Matt Maher (2005) - Teagasc Final Report. Teagasc Final Report. ISBN 1 84170 429 6.

  • MFRC No 50 - MAP in Milk and Dairy Products - Pat Murphy (2005) - Teagasc Final Report. ISBN 1 84170 416 4.

  • Auty, M., Duffy, G., O'Beirne, D., McGovern, A., Gleeson, E. and Jordan, K.N. (2005). In situ localization of Escherichia coli O157:H7 in food by confocal scanning laser microscopy. Journal of Food Protection 68: (3), 482-486 10649 A1

  • Murphy, C., Carroll, C. and Jordan, K.N. (2005). The effect of different media on the survival and induction of stress responses by Campylobacter jejuni. Journal of Microbiological Methods 62: 161-166 11195 A1

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  • O'Flynn, G., Ross, R.P. and Jordan, K.N. (2004). Research at Teagasc Moorepark on Escherichia coli O157:H7 (Abstract). In: Safefood VTEC Research Network Meeting, Teagasc NFC, 15-Oct-2004, p.7 9800

  • Kenny, O., FitzGerald, R.J., O'Cuinn, G., Beresford, T. and Jordan, K.N. (2004). Fractionation of cell free extracts from Lb. Helveticus DPC 4571 and analysis of peptidase activities (Abstract). In: SFAM Conference "Dairy and Food Microbiology: challenges and opportunities", Jury's Hotel, Cork, 12-Jul-2004, P99 9605

  • Murphy, C., Pearson, B., Holmes, K., Wells, J., Carroll, C. and Jordan, K.N. (2004). Microarray analysis of the adaptive tolerance response in Campylobacter jejuni. In: Irish Branch Meeting of Society for General Microbiology, Galway, 15-Apr-2004, P60 9764

  • Abdulmawjood, A., Bulte, M., Roth, S., Schonenbrucher, H., Cook, N., D'Agostino, M., Malorny, B., Jordan, K.N., Pelkonen, S. and Hoorfar, J. (2004). Toward an International Standard for PCR-based detection of foodborne Escherichia coli 0157: validation of the PCR-based method in a multicenter interlaboratory trial. Journal of Association of Official Analytical Chemists 87: (4), 856-860

  • Kenny, O., Callanan, M., Jordan, K.N., FitzGerald, R., O'Cuinn, G., Cogan, T.M., Ross, R.P. and Beresford, T. (2004). Correlation of peptidase enzyme activity in Lactobacillus helveticus DPC 4571 with peptidase gene homologues identified from sequencing (Abstract). In: IDF Symposium on "Cheese Ripening, Characterization and Technology", Prague, 21-Mar-2004, P119 9603

  • Lynch, D., Jordan, K.N. and Murphy, P.M. (2004). Heat sensitivity of Mycobacterium avium paratuberculosis (Abstract). In: International Association of Food Protection Annual Meeting, Phoenix, Arizona, 08-Aug-2004, 1pp 9757

  • Rea, M., Jordan, K.N. and Beresford, T. (2004). Rapid identification of NSLAB isolates from cheddar cheese using the PCR lightcycler system (Abstract). In: IDF Symposium on "Cheese Ripening, Characterization and Technology", Prague, 21-Mar-2004, P163 9604

  • Kenny, O., FitzGerald, R.J., O'Cuinn, G., Beresford, T. and Jordan, K.N. (2004). New strains of Lactobacillus helveticus for improvement of Cheddar cheese flavour. (Abstract) Irish Journal of Agricultural & Food Research 43: (1), 139 ISSN 0791-6833 10112

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  • Murphy, C., Carroll, C. and Jordan, K.N. (2004). Analysis of the adaptive tolerance response of the foodborne pathogen Campylobacter jejuni using two-dimensional gel electrophoresis. (Abstract) Irish Journal of Agricultural & Food Research 43: (1), 122-123 ISSN 0791-6833 10104

  • Callanan, M., Beresford, T., Jordan, K.N., Cogan, T.M. and Ross, R.P. (2004). Investigation of Lactose and Casein metabolism genes in the genome of the dairy microbe, Lactobacillus helveticus DPC4571 (Abstract). In: Genome 2004: "International Conference on the Analysis of Microbial and Other Genomes", Cambridge, England, 14-Apr-2004, p.30 10002

  • Jordan, K.N., Murphy, C., Pearson, B. and Carroll, C. (2004). A biotechnological approach to understanding survival of Campylobacter jejuni (Abstract). In: BioNet Conference, Carlow IT, 15-Dec-2004, p.31 10204

  • Jordan, K.N., Murphy, C., Pearson, B. and Carroll, C. (2004). Proteomic and genomic approaches to understanding the adaptive tolerance response in Campylobacter jejuni (Abstract). In: SFAM Conference "Dairy and Food Microbiology: challenges and opportunities", Jury's Hotel, Cork, 12-Jul-2004, p.13 9606

  • Jordan, K.N. (2004). Report on attendance at the Annual Meeting of the International Association of Food Protection held in Phoenix, Arizona, 8-11 August 2004. Teagasc 1pp 9756

  • Rea, M., Jordan, K.N. and Beresford, T. (2004). Rapid identification of NSLAB isolates from Cheddar cheese using the PCR LightCycler system. (Abstract) Irish Journal of Agricultural & Food Research 43: (1), 139 ISSN 0791-6833 10111

  • Kenny, O., FitzGerald, R.J., O'Cuinn, G., Beresford, T. and Jordan, K.N. (2003). Growth phase and growth medium effects on the peptidase activities of Lactobacillus helveticus. International Dairy Journal 13: 509-516 ISSN 0958-6946

  • Murphy, C., Carroll, C. and Jordan, K.N. (2003). Induction of an adaptive tolerance response in the foodborne pathogen. Campylobacter jejuni. FEMS Microbiology Letters 223: 89-93 ISSN 0378-1097

  • Murphy, C., Carroll, C. and Jordan, K.N. (2003). Identification of a novel stress resistance mechanism in Campylobacter jejuni. Journal of Applied Microbiology 95: 704-708 ISSN 1364-5072

  • Maher, M.M., Jordan, K.N., Upton, M.E. and Coffey, A. (2001). Growth and survival of E.coli O157:H7 during the manufacture and ripening of a smear-ripened cheese produced from raw milk. Journal of Applied Microbiology 90: 201-207 ISSN 1364-5072

  • Jordan, K.N. and Davies, K.W. (2001). Sodium-chloride enhances recovery and growth of acid-stressed E.coli O157:H7. Letters in Applied Microbiology 32: 312-315 ISSN 0266-8254

  • Kiernan, R.C., Beresford, T., O'Cuinn, G. and Jordan, K.N. (2000). Autolysis of lactobacilli during Cheddar cheese ripening. Irish Journal of Agricultural & Food Research 39: (1), 95-106 ISSN 0791-6833

  • MFRC No 37 - Assessment and Control of Foodborne Pathogens in Ireland (2000) - P. Ross, C. Hill, P. Murphy, K. Jordan, E. Arendt and D. Van Sinderen - ISBN 1 84170 177 7

  • Jordan, K.N., Oxford, L. and O Byrne, P. (1999). Survival of low-pH stress by escherichia coli 0157:H7: correlation between alterations in the cell envelope and increased acid tolerance. Applied Environmental Microbiology 65: (7), 3048-3055 ISSN 0099-2240

  • Jordan, K.N. and Cogan, T.M. (1999). Heat resistance of Lactobacillus spp. isolated from Cheddar cheese. Letters in Applied Microbiology 29: 136-140 ISSN 0266-8254

  • Jordan, K.N., Hall, S. and McClure, P.J. (1999). Osmotic stress on dilution of acid injured Escherichia coli 0157:H7. Letters in Applied Microbiology 28: 389-393 ISSN 0266-8254

  • P.L.H. McSweeney; C.M. Lynch; E.M. Walsh; P.F. Fox; K.N. Jordan; T.M. Cogan; F.D. Drinan - Role of Non-Starter Lactic Acid Bacteria in Cheddar Cheese Ripening. In Proceedings. 4th Cheese Symposium, Moorepark. Teagasc, Dublin, 1995, pp.135–159

  • McSweeney, P.L.H., P.F. Fox, J.A. Lucey, K.N. Jordan and T.M. Cogan (1993) - Contribution of the indigenous microflora to the maturation of Cheddar cheese - International Dairy Journal 3, 613-634 ISSN 0958-6946

  • P.L.H. McSweeney; P.F. Fox; J.A. Lucey; K.N. Jordan; T.M. Cogan - Use of Microfiltration to Study the Maturation of Cheddar Cheese. In Proceedings. 3rd Moorepark Cheese Symposium [ ed.T. M. Cogan]. Teagasc, Dublin, 1995, pp.135–159

  • McSweeney, P.L.H., P.F. Fox, J.A. Lucey, K.N. Jordan and T.M. Cogan (1993) - Contribution of the indigenous microflora to the maturation of Cheddar cheese - International Dairy Journal 3, 613-634 ISSN 0958-6946

  • P.L.H. McSweeney; P.F. Fox; J.A. Lucey; K.N. Jordan; T.M. Cogan - Use of Microfiltration to Study the Maturation of Cheddar Cheese. In Proceedings. 3rd Moorepark Cheese Symposium [ ed.T. M. Cogan]. Teagasc, Dublin, 1992, pp.60–66

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