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Research groups program PI Laura Betancor and Luc\u00eda Yim"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Sci Rep"],"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>Salmonella enterica<\/jats:italic> serovar Enteritidis is a major cause of foodborne disease in Uruguay since 1995. We used a genomic approach to study a set of isolates from different sources and years. Whole genome phylogeny showed that most of the strains are distributed in two major lineages (E1 and E2), both belonging to MLST sequence type 11 the major ST among serovar Enteritidis. Strikingly, E2 isolates are over-represented in periods of outbreak abundance in Uruguay, while E1 span all epidemic periods. Both lineages circulate in neighbor countries at the same timescale as in Uruguay, and are present in minor numbers in distant countries. We identified allelic variants associated with each lineage. Three genes, <jats:italic>ycdX<\/jats:italic>, <jats:italic>pduD<\/jats:italic> and <jats:italic>hsdM<\/jats:italic>, have distinctive variants in E1 that may result in defective products. Another four genes (<jats:italic>ybiO<\/jats:italic>, <jats:italic>yiaN<\/jats:italic>, <jats:italic>aas<\/jats:italic>, <jats:italic>aceA<\/jats:italic>) present variants specific for the E2 lineage. Overall this work shows that <jats:italic>S<\/jats:italic>. <jats:italic>enterica<\/jats:italic> serovar Enteritidis strains circulating in Uruguay have the same phylogenetic profile than strains circulating in the region, as well as in more distant countries. Based on these results we hypothesize that the E2 lineage, which is more prevalent during epidemics, exhibits a combination of allelic variants that could be associated with its epidemic ability.<\/jats:p>","DOI":"10.1038\/s41598-020-60502-8","type":"journal-article","created":{"date-parts":[[2020,2,27]],"date-time":"2020-02-27T11:04:32Z","timestamp":1582801472000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Comparative genomics of Salmonella enterica serovar Enteritidis ST-11 isolated in Uruguay reveals lineages associated with particular epidemiological traits"],"prefix":"10.1038","volume":"10","author":[{"given":"Bruno","family":"D\u2019Alessandro","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Victoria","family":"P\u00e9rez\u00a0Escanda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luc\u00eda","family":"Balestrazzi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Florencia","family":"Grattarola","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andr\u00e9s","family":"Iriarte","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Derek","family":"Pickard","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luc\u00eda","family":"Yim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 Alejandro","family":"Chabalgoity","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Betancor","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,2,27]]},"reference":[{"key":"60502_CR1","doi-asserted-by":"publisher","first-page":"2413","DOI":"10.1128\/JCM.02137-09","volume":"48","author":"L Betancor","year":"2010","unstructured":"Betancor, L. et al. 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