{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T21:06:54Z","timestamp":1782853614753,"version":"3.54.5"},"reference-count":46,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2015,12,14]],"date-time":"2015-12-14T00:00:00Z","timestamp":1450051200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Food Science"],"published-print":{"date-parts":[[2016,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Ricotta Salata is a traditional ripened and salted whey cheese made in Sardinia (Italy) from sheep's milk. This product is catalogued as ready\u2010to\u2010eat food (RTE) since it is not submitted to any further treatment before consumption. Thus, foodborne pathogens, such as\n                    <jats:italic>Listeria monocytogenes<\/jats:italic>\n                    , can represent a health risk for consumers. In September 2012, the FDA ordered the recall of several batches of Ricotta Salata imported from Italy linked to 22 cases of Listeriosis in the United States. This study was aimed at evaluating the presence and virulence properties of\n                    <jats:italic>L. monocytogenes<\/jats:italic>\n                    in 87 samples of Ricotta Salata produced in Sardinia. The ability of this product to support its growth under foreseen packing and storing conditions was also evaluated in 252 samples. Of the 87 samples 17.2% were positive for the presence of\n                    <jats:italic>L. monocytogenes<\/jats:italic>\n                    with an average concentration of 2.2 log\n                    <jats:sub>10<\/jats:sub>\n                    cfu\/g. All virulence\u2010associated genes (\n                    <jats:italic>prfA<\/jats:italic>\n                    ,\n                    <jats:italic>rrn<\/jats:italic>\n                    ,\n                    <jats:italic>hlyA<\/jats:italic>\n                    , a\n                    <jats:italic>ctA<\/jats:italic>\n                    ,\n                    <jats:italic>inlA<\/jats:italic>\n                    ,\n                    <jats:italic>inlB<\/jats:italic>\n                    ,\n                    <jats:italic>iap<\/jats:italic>\n                    ,\n                    <jats:italic>plcA<\/jats:italic>\n                    , and\n                    <jats:italic>plcB<\/jats:italic>\n                    ) were detected in only one isolated strain. The Ricotta Salata samples were artificially inoculated and growth potential (\u03b4) was assessed over a period of 3 mo. The value of the growth potential was always &gt;0.5 log\n                    <jats:sub>10<\/jats:sub>\n                    cfu\/g under foreseen packing and storing conditions. This study indicates that Ricotta Salata supports the\n                    <jats:italic>L. monocytogenes<\/jats:italic>\n                    growth to levels that may present a serious risk to public health, even while stored at refrigeration temperatures.\n                  <\/jats:p>","DOI":"10.1111\/1750-3841.13173","type":"journal-article","created":{"date-parts":[[2015,12,14]],"date-time":"2015-12-14T17:55:25Z","timestamp":1450115725000},"source":"Crossref","is-referenced-by-count":26,"title":["Detection of Virulence Genes and Growth Potential in\n                    <i>Listeria monocytogenes<\/i>\n                    Strains Isolated from Ricotta Salata Cheese"],"prefix":"10.1111","volume":"81","author":[{"given":"Valentina","family":"Coroneo","sequence":"first","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valentina","family":"Carraro","sequence":"additional","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nadhem","family":"Aissani","sequence":"additional","affiliation":[{"name":"Dept. of Life and Environmental Sciences Univ. of Cagliari  Via Ospedale, 72 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adriana","family":"Sanna","sequence":"additional","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandra","family":"Ruggeri","sequence":"additional","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara","family":"Succa","sequence":"additional","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barbara","family":"Meloni","sequence":"additional","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonella","family":"Pinna","sequence":"additional","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clara","family":"Sanna","sequence":"additional","affiliation":[{"name":"Dept. of Public Health, Clinical and Molecular Medicine Univ. of Cagliari  Italy Via Porcell 4 09124 Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,12,14]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf3029623"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM198502143120710"},{"key":"e_1_2_6_4_1","unstructured":"BeaufortA CornuM BergisH LardeuxAL Lombard B.2008.Technical guidance document on shelf\u2010life studies forListeria monocytogenesin ready\u2010to eat foods. Community Reference Laboratory forListeria monocytogenes.http:\/\/www.fsai.ie\/uploadedFiles\/EU_Guidance_shelflife_listeria_monocytogenes_en.pdf. 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Investigates a Multistate Outbreak ofListeria monocytogenesInfections Linked to Imported Frescolina Marte Brand Ricotta Salata Cheese Posted November 21 http:\/\/www.fda.gov\/Food\/RecallsOutbreaksEmergencies\/Outbreaks\/ucm319197.htm."},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijfoodmicro.2006.07.008"},{"key":"e_1_2_6_13_1","first-page":"181","article-title":"First documented outbreak of Listeria monocytogenes in Quebec, 2002","volume":"29","author":"Gaulin C","year":"2003","journal-title":"Can Commun Dis Rep"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.4081\/ijfs.2013.e31"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.4315\/0362-028X.JFP-10-536"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1086\/420853"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fm.2004.04.009"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.4315\/0362-028X-70.9.2172"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1364-727x.2001.00017.x"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.1099\/jmm.0.46495-0"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijfoodmicro.2012.09.011"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/0168-1605(95)00105-S"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.1086\/427803"},{"key":"e_1_2_6_24_1","first-page":"229","volume-title":"Indagine epidemiologica e profilo di patogenicit\u00e0 di ceppi di Listeria monocytogenes isolati da prodotti della pesca Ready\u2010To\u2010Eat","author":"Mazzette R","year":"2007"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.00997-08"},{"key":"e_1_2_6_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijmm.2010.05.002"},{"key":"e_1_2_6_27_1","unstructured":"PiloAL MarongiuP CorgioluG VirdisS ScaranoC DeSantisEPL.2008.Listeria monocytogenescontamination sources in sheep cheese processing plants and strains virulence gene typing (pp. 302e305). 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