Prevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy
In the last decade, the incidence and severity of <i>Clostridioides difficile</i> infections (CDIs) in humans have been increasing and community-associated infections have been described. For these reasons, the interest in <i>C. difficile</i> in food and in food animals has i...
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2021
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oai:doaj.org-article:f8d28f1f3cb8478d9a65f1c37f93f4922021-11-11T16:29:51ZPrevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy10.3390/ijerph1821113681660-46011661-7827https://doaj.org/article/f8d28f1f3cb8478d9a65f1c37f93f4922021-10-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11368https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601In the last decade, the incidence and severity of <i>Clostridioides difficile</i> infections (CDIs) in humans have been increasing and community-associated infections have been described. For these reasons, the interest in <i>C. difficile</i> in food and in food animals has increased, suggesting other possible sources of <i>C. difficile</i> acquisition. This study evaluated the presence of <i>C. difficile</i> on pig carcasses at the slaughterhouse and in pork products in Central Italy. The contamination rate on pig carcasses was 4/179 (2.3%). Regarding food samples, a total of 216 pork products were tested (74 raw meat preparations and 142 ready-to-eat food samples made by cured raw meat). The real-time PCR screening was positive for 1/74 raw meat preparation (1.35%) and for 1/142 ready-to-eat food samples (0.7%) <i>C. difficile</i> was isolated only from the raw meat preparation (pork sausage). All the isolated strains were toxigenic and susceptible to all the tested antibiotics. Strains isolated from carcass samples displayed A+B+CDTa+CDTb+ profile, were toxinotype IV and belonged to the same ribotype arbitrary named TV93, while the one isolated from food samples displayed A+B+CDTa-CDTb- profile and it was not possible to determine ribotype and toxinotype, because it was lost after freeze storage. It was concluded that the prevalence of <i>C. difficile</i> in the pork supply chain is very low.Caterina LicciardiSara PrimavillaRossana RoilaAlessia LupattelliSilvana FarnetiGiuliana BlasiAnnalisa PetruzzelliIlenia DrigoEnrico Di Raimo MarrocchiMDPI AGarticle<i>Clostridioides difficile</i>pig carcassespork productsfood safetyreal-time PCRribotypeMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11368, p 11368 (2021) |
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<i>Clostridioides difficile</i> pig carcasses pork products food safety real-time PCR ribotype Medicine R |
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<i>Clostridioides difficile</i> pig carcasses pork products food safety real-time PCR ribotype Medicine R Caterina Licciardi Sara Primavilla Rossana Roila Alessia Lupattelli Silvana Farneti Giuliana Blasi Annalisa Petruzzelli Ilenia Drigo Enrico Di Raimo Marrocchi Prevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy |
description |
In the last decade, the incidence and severity of <i>Clostridioides difficile</i> infections (CDIs) in humans have been increasing and community-associated infections have been described. For these reasons, the interest in <i>C. difficile</i> in food and in food animals has increased, suggesting other possible sources of <i>C. difficile</i> acquisition. This study evaluated the presence of <i>C. difficile</i> on pig carcasses at the slaughterhouse and in pork products in Central Italy. The contamination rate on pig carcasses was 4/179 (2.3%). Regarding food samples, a total of 216 pork products were tested (74 raw meat preparations and 142 ready-to-eat food samples made by cured raw meat). The real-time PCR screening was positive for 1/74 raw meat preparation (1.35%) and for 1/142 ready-to-eat food samples (0.7%) <i>C. difficile</i> was isolated only from the raw meat preparation (pork sausage). All the isolated strains were toxigenic and susceptible to all the tested antibiotics. Strains isolated from carcass samples displayed A+B+CDTa+CDTb+ profile, were toxinotype IV and belonged to the same ribotype arbitrary named TV93, while the one isolated from food samples displayed A+B+CDTa-CDTb- profile and it was not possible to determine ribotype and toxinotype, because it was lost after freeze storage. It was concluded that the prevalence of <i>C. difficile</i> in the pork supply chain is very low. |
format |
article |
author |
Caterina Licciardi Sara Primavilla Rossana Roila Alessia Lupattelli Silvana Farneti Giuliana Blasi Annalisa Petruzzelli Ilenia Drigo Enrico Di Raimo Marrocchi |
author_facet |
Caterina Licciardi Sara Primavilla Rossana Roila Alessia Lupattelli Silvana Farneti Giuliana Blasi Annalisa Petruzzelli Ilenia Drigo Enrico Di Raimo Marrocchi |
author_sort |
Caterina Licciardi |
title |
Prevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy |
title_short |
Prevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy |
title_full |
Prevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy |
title_fullStr |
Prevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy |
title_full_unstemmed |
Prevalence, Molecular Characterization and Antimicrobial Susceptibility of <i>Clostridioides difficile</i> Isolated from Pig Carcasses and Pork Products in Central Italy |
title_sort |
prevalence, molecular characterization and antimicrobial susceptibility of <i>clostridioides difficile</i> isolated from pig carcasses and pork products in central italy |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/f8d28f1f3cb8478d9a65f1c37f93f492 |
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