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Here we investigate the interactions among three major players in streptococcal pharyngitis: streptococci, plasma, and saliva. We find that saliva activates the plasma coagulation system through both the extrinsic and the intrinsic pathways, entrapping the bacteria in fibrin clots. The bacteria escape the clots by activating host plasminogen. Our results identify a potential function for the intrinsic pathway of coagulation in host defense and a corresponding role for fibrinolysis in streptococcal immune evasion.<\/jats:p>","DOI":"10.1128\/iai.00307-16","type":"journal-article","created":{"date-parts":[[2016,7,26]],"date-time":"2016-07-26T02:28:50Z","timestamp":1469500130000},"page":"2813-2823","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":16,"title":["Saliva-Induced Clotting Captures Streptococci: Novel Roles for Coagulation and Fibrinolysis in Host Defense and Immune Evasion"],"prefix":"10.1128","volume":"84","author":[{"given":"Kristofer","family":"Wollein Waldetoft","sequence":"first","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tirthankar","family":"Mohanty","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christofer","family":"Karlsson","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"M\u00f6rgelin","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Inga-Maria","family":"Frick","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johan","family":"Malmstr\u00f6m","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars","family":"Bj\u00f6rck","sequence":"additional","affiliation":[{"name":"Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(05)70267-X"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/QCO.0000000000000047"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrmicro2648"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(03)00576-0"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1538-7836.2003.00105.x"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1101245"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1128\/CMR.00101-13"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1084\/jem.58.4.485"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1099\/mic.0.2006\/003285-0"},{"key":"e_1_3_3_11_2","first-page":"161","article-title":"The fibrinolytic activity of hemolytic streptococci","volume":"2","author":"Tillett WS","year":"1938","unstructured":"Tillett WS. 1938. 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