Sara Arnaboldi

Sara Arnaboldi
Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna · Department of Food Safety

Master of Science

About

18
Publications
1,004
Reads
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14
Citations
Citations since 2016
18 Research Items
14 Citations
201620172018201920202021202202468101214
201620172018201920202021202202468101214
201620172018201920202021202202468101214
201620172018201920202021202202468101214

Publications

Publications (18)
Poster
Full-text available
Yersinia enterocolitica (Ye) is the etiological agent of yersiniosis, a foodborne disease widespread in Europe. Ye is a gram-negative entero-bacterium growing in a wide range of temperatures (0-45 °C), and able to produce a thermostable toxin in cooling conditions without spoilage signs in foods, thus posing a risk for consumers. The aim of this wo...
Poster
Full-text available
Mammalian orthoreovirus (MRV) and Torque teno sus virus (TTSuV) are emerging infectious viruses, with likely zoonotic potential, that may affect both domestic and wild animals. MRV is a dsRNA virus that can cause respiratory, central nervous system, and enteric diseases both in human and in other mammalian hosts. TTSuV is a DNA virus that frequentl...
Poster
SUMMARY Hepatitis E virus (HEV) is an emerging virus with an increasing diffusion across Europe. Because of the apparent lack of species barriers, HEV was characterized as a zoonotic agent, with swine as main reservoir, but it has been also found in wild animals. This study aimed to assess the HEV prevalence in wild boars, hares and swine in an are...
Poster
Full-text available
In the past years (2020-2022) blue discolouration of mozzarella cheese increased in northern Italy, worrying the dairy operators still remembering the 2010 episode, in which over 70,000 mozzarellas coloured blue causing a strong economic impact because the product no longer had consumer confidence. This phenomenon is mainly caused by Pseudomonas fl...
Article
Full-text available
In 2019, SARS-CoV-2 was identified as the cause of an easily transmissible disease that was declared as a world pandemic. Foodborne transmission was never reported. However, early studies suggested that food could be involved in SARS-CoV-2 entry in the human gastrointestinal tract leading to possible infection, and highlighting the importance of fu...
Poster
Hepatitis E virus (HEV) is the agent of the hepatitis E disease that in Europe is mainly transmitted foodborne. Human cases in EU have increased in the last years and are linked to the consumption of raw or undercooked pork product or wild boar meat infected by the zoonotic HEV-3 genotype. Rabbit HEV (HEV-3ra) is a recent genotype of HEV detected i...
Article
Full-text available
Torque teno sus virus (TTSuV) is a non-enveloped circular ssDNA virus which frequently infects swine and has been associated with hepatic, respiratory, and autoimmune disorders. TTSuV’s pathogenic role is still uncertain, and clear data in the literature on virus reservoirs are lacking. The aims of this study were to investigate the presence of pot...
Article
Il gonfiore tardivo dei Formaggi di media e lunga stagionatura è un difetto causato principalmente dal batterio sporigeno anaerobio Clostridium tyrobutyricum. Il metodo dí riferimento utilizzato per rilevare la presenza del numero totale di spore nel latte è il Most Probable Number (M PN), un metodo semiquantitativo che misura la crescita batterica...
Poster
Full-text available
Negli ultimi due anni (2020-2021) sono aumentati gli episodi di discolorazione blu in prodotti lattiero caseari; fenomeno emergente principalmente nelle mozzarelle negli anni 2010-2014, che ha avuto un forte impatto economico legato principalmente al danno d’immagine. I metodi tradizionali di isolamento e caratterizzazione di Pseudomonas spp. richi...
Article
Italy has one of the highest incidence rates of foodborne botulism in Europe. It is a neuro-paralytic disease caused by ingesting ready-formed botulinum neurotoxins (BoNTs) produced by some spore-forming clostridia. Due to its severity and epidemic potential, foodborne botulism is included in the list of notifiable diseases, and botulism cases are...
Poster
Full-text available
Aim: The aim of this study was to investigate the occurrence and distribution of Hepatitis E virus (HEV), Mammalian orthoreovirus (MRV), and Torque teno sus virus (TTSuV) in wild animals in Northern Italy to assess their potential role as zoonotic reservoirs, and to gain insight on the risk of their spreading to farm animals and possibly to humans....
Article
Full-text available
Hepatitis E virus (HEV) is the causative agent of hepatitis E, an emerging public health infection which has an increasing incidence across Europe. Because of the apparent lack of species barriers, HEV was characterized as a zoonotic agent. Swine are recognized as the main reservoir, but HEV is also found in wild animals such as ungulates, lagomorp...
Article
In the dairy industry, the late blowing defect in medium and long ripened cheeses causes important economic losses. This cheese defect, caused mainly by the anaerobic spore former Clostridium tyrobutyricum, is characterized by gas production resulting in holes formation in the paste, and in unpleasant aromas related to the butyrate production. Sinc...
Article
Full-text available
Salmonella and Campylobacter ssp. are bacterial pathogens responsible for most foodborne infections in EU countries. Poultry serves as a reservoir for these pathogens, and its important role in the meat industry makes it essential to develop a rapid detection assay able to provide results in one day. Indeed, the rapid identification of foodborne pa...
Poster
Full-text available
Introduction: Clostridium botulinum (Cb) is an anaerobic, gram positive, spore-forming bacterium, which can produce botulinum neurotoxins. Foodborne botulism is a potentially fatal illness caused by consumption of food contaminated with neurotoxins produced by Cb. Current understanding of the epidemiology of a botulism outbreak relies on limited da...
Article
Full-text available
Mammalian orthoreoviruses (MRVs) are emerging infectious agents that may affect wild animals. MRVs are usually associated with asymptomatic or mild respiratory and enteric infections. However, severe clinical manifestations have been occasionally reported in human and animal hosts. An insight into their circulation is essential to minimize the risk...
Poster
Full-text available
Knowledge of Mammalian orthoreovirus (MRV) and Torque teno virus (TTV) as new emerging infectious agents that may affect wild animals, is essential to minimize the risk of their spreading to farm animals and possibly to humans. The aim of this study was to investigate the presence of possibly zoonotic MRV and TTV in wild animals in Northern Italy....
Poster
Full-text available
Our work aimed at investigating the presence of Clostridium tyrobutyricum in milk as the main cause for the late blowing defect in medium and long ripened cheeses. A quantitative real-time PCR protocol for the C. tyrobutyricum detection in milk was validated and applied on possibly contaminated raw milk samples, obtaining a positivity rate of 15.28...

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Projects

Projects (2)
Project
This project evaluates the occurrence of Hepatitis E virus (HEV), Mammalian orthoreovirus (MRV), and Torque teno sus virus (TTSuV) in wild animals in Northern Italy to better estimate the risk of transmission to farmed animals and possibly to humans.
Project
In the dairy industry, the late blowing defect in medium and long ripened cheeses causes important economic losses. This cheese defect, caused mainly by the anaerobic spore former Clostridium tyrobutyricum, is characterized by gas production resulting in holes formation in the paste, and in unpleasant aromas related to the butyrate production. Since longtime, the reference method used to detect the presence of total spore number in milk is the Most Probable Number (MPN), a semi-quantitative method which measures the bacterial growth and the gas production after heat treatment of the samples. This method often gives uncertain results, it requires long incubation periods and fails to differentiate between different species of spore-forming bacteria. A TaqMan real-time quantitative PCR targeting the phosphotransacetylase gene (pta) for C. tyrobutyricum was previously developed as an alternative technique to the traditional method, faster and more specific, and therefore of great interest to preventively determine the contamination of milk by C. tyrobutyricum. The aim of this project is the validation of this quantitative real-time PCR protocol for the C. tyrobutyricum detection in milk.