Putative Cross-Contamination Routes of Listeria monocytogenes in a Meat Processing Facility in Romania

Journal of Food Protection
Andrei Sorin BolocanAnca Ioana Nicolau

Abstract

Putative routes of Listeria monocytogenes contamination, based on the workflow of the employees, were studied in a meat processing facility by investigating 226 samples collected from food contact surfaces, non-food contact surfaces, raw materials, and ready-to-eat meat products on four occasions over a 1-year period. In total, 19.7% of non-food contact surfaces, 22.9% of food contact surfaces, 45% of raw materials, and 20% of ready-to-eat meat products were positive for L. monocytogenes (analyzed by the International Organization for Standardization standard method ISO 11290). Pulsed-field gel electrophoresis (PFGE) profiles were determined for a representative subset of these isolates, and 11 distinct pulsotypes were identified, two of which were frequently isolated (T4 and T8) and considered persistent. Strains from the various pulsotypes were screened for the presence of bcrABC and qacH, the genes responsible for tolerance responses to quaternary ammonium compounds. Two strains harbored bcrABC, and these strains had a higher benzalkonium chloride tolerance; however, they were not considered persistent strains. The frequently isolated PFGE pulsotype T8 strains were highly adhesive to abiotic surfaces at 10 and 20°C; however,...Continue Reading

References

Jul 22, 1997·International Journal of Food Microbiology·L M RørvikM Yndestad
Jun 1, 2002·Applied and Environmental Microbiology·D DjordjevicL A McLandsborough
Aug 9, 2003·Letters in Applied Microbiology·A PeccioM Trevisani
Aug 7, 2004·Journal of Clinical Microbiology·Michel DoumithPaul Martin
Aug 1, 2006·International Journal of Food Microbiology·Sandra A WilksC William Keevil
Dec 19, 2006·International Journal of Food Microbiology·Aivars BērziņsHannu Korkeala
Aug 17, 2010·International Journal of Medical Microbiology : IJMM·Renato H OrsiMartin Wiedmann
Jan 12, 2011·Journal of Food Protection·Aivars BērziņšHannu Korkeala
Feb 1, 2011·International Journal of Food Microbiology·Brigitte Carpentier, Olivier Cerf
Jun 19, 2012·International Journal of Food Microbiology·Karin HoelzerSherri Dennis
Jul 31, 2013·Applied and Environmental Microbiology·Vikrant DuttaSophia Kathariou

❮ Previous
Next ❯

Citations

Nov 26, 2015·Meat Science·Andrei Sorin BolocanKieran Jordan
Jan 25, 2019·Korean Journal for Food Science of Animal Resources·Il-Byeong KangKun-Ho Seo
Nov 30, 2019·International Journal of Food Microbiology·Lionel Kenneth DygicoCatherine M Burgess

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.