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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Autores principales: Caterina Licciardi, Sara Primavilla, Rossana Roila, Alessia Lupattelli, Silvana Farneti, Giuliana Blasi, Annalisa Petruzzelli, Ilenia Drigo, Enrico Di Raimo Marrocchi
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/f8d28f1f3cb8478d9a65f1c37f93f492
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spelling 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)
institution DOAJ
collection DOAJ
language EN
topic <i>Clostridioides difficile</i>
pig carcasses
pork products
food safety
real-time PCR
ribotype
Medicine
R
spellingShingle <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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