Effects of Selected Essential Oils on in Biofilms and in a Model Food System.

The composition of 18 essential oils was determined using gas chromatography-mass spectrometry, and their antilisterial activity was evaluated by the disk diffusion method, followed by the determination of the minimum inhibitory and minimum bactericidal concentrations. The most active essential oils were oregano, thyme, cinnamon, winter savory, and clove, with MIC values ranging from 0.09 to 1.

Wholegenome sequencing as the gold standard approach for control of Listeria monocytogenes in the food chain.

Listeria monocytogenes has been implicated in numerous outbreaks and related deaths of listeriosis. In food production, L. monocytogenes occurs in raw food material and above all, through postprocessing contamination.

Landscape of Stress Response and Virulence Genes Among Strains.

The pathogenic microorganism is ubiquitous and responsible for listeriosis, a disease with a high mortality rate in susceptible people. It can persist in different habitats, including the farm environment, the food production environments, and in foods. This pathogen can grow under challenging conditions, such as low pH, low temperatures, and high salt concentrations.

Tracking the Origin of Austrian Human Brucellosis Cases Using Whole Genome Sequencing.

Brucellosis is a zoonotic disease caused by spp. and a major concern for livestock. Most human cases are caused by and clinical presentation is usually a mild febrile illness.

Molecular characterization of Listeria monocytogenes isolates from a small-scale meat processor in Montenegro, 2011-2014.

The presence of Listeria monocytogenes was evaluated in a small-scale meat processing facility in Montenegro during 2011-2014. L. monocytogenes isolates from traditional meat products and environmental swabs were subjected to a) molecular characterization b) serotyping by both multiplex PCR and next generation sequencing (NGS) c) potential antimicrobial resistance (AMR) was assessed by extraction of specific genes from NGS data and d) screening for the presence of some disinfectant resistance markers.

Tracking of Listeria monocytogenes in meat establishment using Whole Genome Sequencing as a food safety management tool: A proof of concept.

Repeated Listeria outbreaks particularly associated with Ready-To-Eat (RTE) delicatessen meat products have been reported annually at global level. The most frequent scenario that led to foodborne outbreaks was the post-thermal treatment cross-contamination of deli meat products during slicing and modified atmosphere packaging (MAP). The precondition for such cross contamination is the previous introduction of Listeria into meat processing facilities and subsequent colonization of the production environment, associated with formation of biofilms resilient to common sanitation procedures regularly applied in meat establishments.

WITHDRAWN: Comparison of high performance liquid chromatography and liquid chromatography/tandem mass spectrometry methods in the quantification and confirmation of ochratoxin A in pig tissue.

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