Article: Molecular Detection of Coxiella burnetii in Unstandardized Minas Artisanal Cheese Marketed in Southeastern Brazil
Acta tropica. 2021 Aug., v. 220
2021
Abstract: Q fever is a zoonotic disease caused by Coxiella burnetii. The causative pathogen has been detected in dairy products, which raises the possibility of consumption of dairy products as a possible route of transmission; however, this has not been ... ...
| Abstract | Q fever is a zoonotic disease caused by Coxiella burnetii. The causative pathogen has been detected in dairy products, which raises the possibility of consumption of dairy products as a possible route of transmission; however, this has not been adequately described. Therefore, the aim of the present study was to investigate the presence of C. burnetii in 87 samples of artisanal cheeses made from unpasteurized raw milk sold in Minas Gerais, southeastern Brazil. The cheese samples were analyzed using quantitative real-time PCR (qPCR), and the products from positive samples were sequenced. In addition, 150 people were interviewed to outline the profile of consumers and the consumption of non-inspected dairy products. The results showed that 4.6% (4/87) of the samples were positive for C. burnetii, with 99.84% identity with the reference 16S gene. Responses from consumer interviews indicate that 95.3% (143/150) of respondents consume milk and dairy products; 50% (75/150) consume fresh Minas artisanal cheese and milk at least once a day; 64.58% (93/144) do not check the inspection stamps on the packaging at the time of purchase; and 81.56% (122/146) do not know the meaning of these stamps. Thus, the presence of C. burnetii DNA in the analyzed cheeses and the consumption of unstandardized dairy products raise an alert for the risk of transmission of Q fever in the population that consumes them. |
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| Keywords | Coxiella burnetii ; Q fever ; artisan cheese ; genes ; milk ; pathogens ; people ; quantitative polymerase chain reaction ; raw milk ; risk ; traditional technology ; zoonoses ; Brazil |
| Language | English |
| Dates of publication | 2021-08 |
| Publishing place | Elsevier B.V. |
| Document type | Article |
| Note | NAL-AP-2-clean |
| ZDB-ID | 210415-5 |
| ISSN | 1873-6254 ; 0001-706X |
| ISSN (online) | 1873-6254 |
| ISSN | 0001-706X |
| DOI | 10.1016/j.actatropica.2021.105942 |
| Database | NAL-Catalogue (AGRICOLA) |
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