Research Publications (Food Safety)

Journal of Applied Microbiology, Accepted Article. Aims Bacillus cereus is often responsible for foodborne diseases and both local and systemic infections in humans. Cases of infection in other mammals are rather rare. In this study, we report a B.

Journal of Applied Microbiology, Volume 132, Issue 1, Page 470-482, January 2022.

Journal of Applied Microbiology, Accepted Article.

Aims To determine if antibiotics associated with conventional pig farming have a direct role in altering the populations of key soil micro‐organisms isolated from piggery environments with and without exposure to antibiotics. Methods and Results Fluorescent Pseudomonas spp.

Aims Diagnosis of Staphylococcus aureus (S. aureus) is important in various diseases from hospital‐acquired infections to foodborne diseases. This work reports two new luminescent affiprobes for specific detection of S. aureus. Methods and Results To develop advanced luminescent affiprobes, enhanced green fluorescent protein (EGFP) was flanked by single and double repeats of ZpA963 affibody using molecular biology studies.

Aims Bacillus cereus sensu lato (B. cereus sl) is a complex group of closely related bacteria, which are commonly present in the natural environment and food products. These organisms may cause food poisoning and spoilage as well as opportunistic infections. Thus far, their resistance to selected antibiotics has been explored only in part, especially in the context of strain source. Therefore, our goal was to compare the resistance of B.

Aims The objective of this study was to evaluate the antimicrobial effects of Radio frequency (RF) heating and the combination treatment of RF heating with ultraviolet (UV) radiation against foodborne pathogens in roasted grain powder (RGP). Methods and Results Foodborne pathogens inoculated on RGP were subjected to RF heating or RF‐UV combination treatments. After 120 s of RF heating, 4.68, 3.89, and 4.54 log reductions were observed for E. coli, S. Typhimurium, and B.

Pepper bacterial wilt is caused by the bacterial pathogen, Ralstonia solanacearum. It is the most destructive disease of many Solanaceous crops such as potatoes, tobacco, pepper, tomatoes, and eggplant and is a significant source of crop loss worldwide. Physical, cultural and chemical controls have been employed to combat this destructive disease.

Aims The aim of this study was to develop a novel selective agar for the specific isolation and detection of Bacillus anthracis. Methods and Results Based on published data on antibiotic resistance and susceptibility of B. anthracis and other closely related species of the Bacillus cereus sensu lato group, a new selective agar formulation termed CEFOMA (Bacillus CEreus sensu lato group specific antibiotics, FOsfomycin, MAcrolides) was developed and evaluated. All tested strains of B.

Aims This study was conducted to early detect the negative culture bacterial pathogens causing subclinical mastitis for the fast diagnosis of the disease and the reduction of some milk transmitted pathogenic bacteria to human consumers. Methods and Results A total of 171 positive California mastitis test (CMT) milk samples collected from asymptomatic dairy cows in Sharkia Governorate, Egypt were examined by conventional bacteriological methods.

Aim Identification and enumeration of foodborne pathogens in food stuffs are valuable concerns. In the present study, starch‐blood‐egg yolk‐polymyxin B‐trimethoprim‐ceftazidime (SBYPTC) agar was established to isolate and specify the number of B. cereus in food products. Methods and results The effectiveness of the developed medium in selecting for B.

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The aim of the study is to investigate the proteomic changes and antioxidant enzyme activity in chromium resistant Bacillus cereus VITSH1 in response to heavy metal toxicity.

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To investigate effects of the cationic surfactant cetyltrimethylammonium bromide (CTAB), a disinfectant, on spores of Bacillus species.

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The objective of this study was to show whether the edible part of broccoli has antibacterial and antifungal activity against microorganism of importance in human health and vegetable spoilage, and to test if this effect was partially due to antimicrobial peptides.

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The aim of the study was to examine the effect of different process parameters which including; initial juglone amount, initial poly(d,l-lactide co-glycolide) amount, polyvinyl alcohol volume and polyvinyl alcohol concentration on encapsulation of juglone to poly(d,l-lactide co-glycolide) nanoparticles.

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To analyse the function of a putative lantibiotic gene cluster of Paenibacillus polymyxa E681 and to characterize its product, paenilan.

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To investigate the antimicrobial properties of E. coccinea and E. sessilanthera and to isolate and identify the antimicrobial compounds.

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Investigate dynamics of culturable mesophilic bacteria and selected food contaminating bacteria from three herbs and their production environment.

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The aim of this study was to evaluate which of the three mathematical models (Weibull, Geeraerd and Logistic) makes the best approximation for Hypericin based photosensitization bacterial inactivation.

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The effect of ohmic heating (OH) in a pilot plant system which had a zig-zag shaped (elbow-type) ohmic heater with five sequential voltage electrodes was investigated on Bacillus cereus spores in a commercial tsuyu sauce.

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To isolate bacteria from soil for the purpose of microbial pre-treatment of brown crab (Cancer pagurus) shell waste and the production of chitin.

The aim of this study was to evaluate the performance of immunodetection methods and PCR analysis of enterotoxigenic Bacillus cereus strains. Methods and Results Eighty-eight enterotoxigenic B. cereus group strains linked to foodborne outbreaks and illnesses were studied with 30 exclusivity non-enterotoxigenic strains including B. amyoliquifaciens, B. subtilis, S. aureus, Salmonella, and E. coli for this assessment.