Declan Bolton

ORCID: 0000-0002-9037-1432
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About
Contact & Profiles
Research Areas
  • Salmonella and Campylobacter epidemiology
  • Listeria monocytogenes in Food Safety
  • Meat and Animal Product Quality
  • Food Safety and Hygiene
  • Viral gastroenteritis research and epidemiology
  • Animal Nutrition and Physiology
  • Clostridium difficile and Clostridium perfringens research
  • Escherichia coli research studies
  • Advanced Chemical Sensor Technologies
  • Gut microbiota and health
  • Microbial Inactivation Methods
  • Bacteriophages and microbial interactions
  • Leptospirosis research and findings
  • Probiotics and Fermented Foods
  • Food Supply Chain Traceability
  • Essential Oils and Antimicrobial Activity
  • Aquaculture disease management and microbiota
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Indoor Air Quality and Microbial Exposure
  • Ruminant Nutrition and Digestive Physiology
  • Nanocomposite Films for Food Packaging
  • Food Quality and Safety Studies
  • Biosensors and Analytical Detection
  • Antibiotic Resistance in Bacteria
  • Yersinia bacterium, plague, ectoparasites research

Teagasc - The Irish Agriculture and Food Development Authority
2016-2025

University College Dublin
1997-2023

Food Safety Authority of Ireland
2001-2017

John Wiley & Sons (United States)
2010

Eastern Regional Research Center
2010

Pennsylvania State University
2010

Central Electricity Generating Board
1955

The recent discovery of the same Clostridioides difficile ribotypes associated with human infection in a broad range environments, animals and foods, coupled an ever-increasing rate community-acquired infections, suggests this pathogen may be foodborne. objective review was to examine evidence supporting hypothesis. A literature found that forty-three different ribotypes, including six hypervirulent strains, have been detected meat vegetable food products, all which carry genes encoding...

10.3390/foods12051094 article EN cc-by Foods 2023-03-04

The survival characteristics of a non-toxigenic, antibiotic-resistant strain Escherichia coli O157:H7 in bovine faeces were investigated. Faecal samples inoculated with 10(8-9) cfu g-1 the organism and (i) stored closed plastic containers at 10 degrees C, (ii) placed outside or (iii) decanted onto surface grazing land. Recovery enumeration on Sorbitol MacConkey Agar (SMAC) Tryptic Soya (TSA) revealed that E. numbers both enclosed (i ii) had decreased by 4.5-5.5 log10 within 99 d. Numbers...

10.1046/j.1365-2672.1999.00677.x article EN Journal of Applied Microbiology 1999-03-01

ABSTRACT Non-O157 Shiga toxin-producing Escherichia coli (STEC) strains are clinically significant food-borne pathogens. However, there is a dearth of information on serotype prevalence and virulence gene distribution, data essential for the development public health protection monitoring control activities meat dairy industries. Thus, objective this study was to examine non-O157 STEC beef farms characterize isolates in terms markers. Bovine fecal samples ( n = 1,200) farm soil 600) were...

10.1128/aem.06190-11 article EN Applied and Environmental Microbiology 2011-10-15

Synthetic nitrites and nitrates are commonly used food additives that play an important role in enhancing the sensory quality consumer acceptability of cured meats. However, these compounds have been linked to health concerns, leading recent regulatory changes. On 6th October 2023, a new European Commission Regulation was launched reduce maximum allowable limits meats Europe. This review paper presents legislative chronicles EU regarding nitrates/nitrites as their antimicrobial antioxidant...

10.1016/j.cofs.2024.101183 article EN cc-by Current Opinion in Food Science 2024-06-13

The aim of this research was to examine the effects preslaughter washing, pre-evisceration final carcass washing and chilling on quality evaluate these operations as possible critical control points (CCPs) within a pork slaughter hazard analysis point (HACCP) system.This study estimated bacterial numbers (total viable counts) incidence Salmonella at three surface locations (ham, belly neck) 60 animals/carcasses processed through small commercial abattoir (80 pigs d(-1)). Significant...

10.1046/j.1365-2672.2002.01599.x article EN Journal of Applied Microbiology 2002-05-01

This study tested 24 Campylobacter isolates for the presence of 35 virulence genes using polymerase chain reaction. The target included those involved in motility (flaA, flaB, flhA, flhB, flgB, flgE2, fliM, fliY), chemotaxis (cheA, cheB, cheR, cheW, cheY, cheZ), cell adhesion (cadF, dnaJ, jlpA, pldA, racR, virB11), invasion (iamA, ciaB, ceuE), cytotoxin production (cdtA, cdtB, cdtC, wlaN), capsule (kpsM), multidrug and bile resistance (cmeA, cmeB, cmeC), stress response/survival (katA,...

10.1089/fpd.2014.1883 article EN Foodborne Pathogens and Disease 2015-04-01
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