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Declan J. Bolton

Research Officer

Research Interests

Food safety microbiology, epidemiology, virulence, risk assessment, risk management/HACCP, antibiotic resistance, molecular characterisation, survival and control of verocytotoxigenicEscherichia coli (VTEC including E. coli O157), Campylobacter,Salmonella, Listeria monocytogenes and Yersinia enterocolitica in a range of foods/environments, farm to fork.


A first class honours B.Sc. degree and a Ph.D. (Microbiology) from University College Dublin as well as a Graduate Diploma in Business Studies (NCEA).

Leonard Koolman, Paul Whyte, Catherine Burgess and Declan Bolton (2016) Virulence gene expression, adhesion and invasion of Campylobacter jejuni
exposed to oxidative stress (H2O2). International Journal of Food Microbiology, 220, 33–38.

Tara Battersby, Paul Whyte and Declan J. Bolton (2016) The pattern of Campylobacter contamination on broiler farms; external and internal sources.
Journal of Applied Microbiology, 102, 1108–1118.

Tara Battersby, Paul Whyte and Declan Bolton (2016). Protecting broilers against Campylobacter infection by preventing direct contact between the farmer and broilers. Food Control, 69, 346–351.

Declan J. Bolton (2015) Campylobacter virulence and survival factors. Food Microbiology, 48, 99–108.

Leonard Koolman, Paul Whyte, Catherine Burgess and Declan J. Bolton (2015). Distribution of virulenceassociated genes in a selection of Campylobacter isolates. Foodborne Pathogens and Disease, 12 (5), 424–433.

Declan J. Bolton, Des Walsh and Joan Carroll (2015). A four year survey of blown pack spoilage Clostridium estertheticum and Clostridium gasigenes on beef primals. Letters in Applied Microbiology, 61(2), 153–157.

Leonard Koolman, Paul Whyte, Joseph Meade, James Lyng, Declan Bolton (2014). Use of chemical treatments applied alone and in combination to
reduce Campylobacter on raw poultry. Food Control, 46, 299–303.