{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T11:09:31Z","timestamp":1790507371782,"version":"4.1.0"},"reference-count":36,"publisher":"Canadian Science Publishing","issue":"11","license":[{"start":{"date-parts":[[2019,11,1]],"date-time":"2019-11-01T00:00:00Z","timestamp":1572566400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":["cdnsciencepub.com"],"crossmark-restriction":false},"short-container-title":["Can. J. Microbiol."],"published-print":{"date-parts":[[2019,11]]},"abstract":"<jats:p> Whole genome sequencing (WGS) is rapidly replacing other molecular techniques for identifying and subtyping bacterial isolates. The resolution or discrimination offered by WGS is significantly higher than that offered by other molecular techniques, and WGS readily allows infrequent differences that occur between 2 closely related strains to be found. In this investigation, WGS was used to identify the changes that occurred in the genomes of 13 strains of bacterial foodborne pathogens after 100 serial subcultures. Pure cultures of Shiga-toxin-producing Escherichia coli, Salmonella enterica, Listeria monocytogenes, and Vibrio parahaemolyticus were subcultured daily for 100 successive days. The 1st and 100th subcultures were whole-genome sequenced using short-read sequencing. Single nucleotide polymorphisms (SNPs) were identified between the 1st and final culture using 2 different approaches, and multilocus sequence typing of the whole genome was also performed to detect any changes at the allelic level. The number of observed genomic changes varied by strain, species, and the SNP caller used. This study provides insight into the genomic variation that can be detected using next-generation sequencing and analysis methods after repeated subculturing of 4 important bacterial pathogens. <\/jats:p>","DOI":"10.1139\/cjm-2019-0235","type":"journal-article","created":{"date-parts":[[2019,7,29]],"date-time":"2019-07-29T17:35:07Z","timestamp":1564421707000},"page":"842-850","update-policy":"https:\/\/doi.org\/10.1139\/csp-crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["Changes detected in the genome sequences of <i>Escherichia coli<\/i>, <i>Listeria monocytogenes<\/i>, <i>Vibrio parahaemolyticus<\/i>, and <i>Salmonella enterica<\/i> after serial subculturing"],"prefix":"10.1139","volume":"65","author":[{"given":"Nicholas","family":"Petronella","sequence":"first","affiliation":[{"name":"Biostatistics and Modeling Division, Bureau of Food Surveillance and Science Integration, Food Directorate, Health Canada, 251 Sir Frederick Banting Driveway, Ottawa, 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