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We exposed optically transparent\n                    <jats:italic>Caenorhabditis elegans<\/jats:italic>\n                    to\n                    <jats:italic>Salmonella<\/jats:italic>\n                    and observed the progression of infection in intestines from free-living cells to static aggregates. We discovered that a secreted toxin is down-regulated when\n                    <jats:italic>Salmonella<\/jats:italic>\n                    forms biofilms, leading to an adaptive advantage in chronic infections. Hence,\n                    <jats:italic>Salmonella<\/jats:italic>\n                    biofilms enable dormancy to prolong in vivo existence.\n                  <\/jats:p>","DOI":"10.1073\/pnas.1822018116","type":"journal-article","created":{"date-parts":[[2019,6,3]],"date-time":"2019-06-03T20:26:32Z","timestamp":1559593592000},"page":"12462-12467","update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":68,"title":["<i>Salmonella<\/i>\n                    biofilms program innate immunity for persistence in\n                    <i>Caenorhabditis elegans<\/i>"],"prefix":"10.1073","volume":"116","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3504-6346","authenticated-orcid":false,"given":"Stuti K.","family":"Desai","sequence":"first","affiliation":[{"name":"Mechanobiology Institute, T-Lab, National University of Singapore, Singapore 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