{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T00:17:53Z","timestamp":1780532273788,"version":"3.54.1"},"reference-count":53,"publisher":"Public Library of Science (PLoS)","issue":"8","license":[{"start":{"date-parts":[[2024,8,13]],"date-time":"2024-08-13T00:00:00Z","timestamp":1723507200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["001"],"award-info":[{"award-number":["001"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["309771\/2019-6"],"award-info":[{"award-number":["309771\/2019-6"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["313815\/2021"],"award-info":[{"award-number":["313815\/2021"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:p>The limited arsenal of antifungal drugs have prompted the search for novel molecules with biological activity. This study aimed to characterize the antifungal mechanism of action of <jats:italic>Eugenia uniflora<\/jats:italic> extract and its synergistic activity with commercially available antifungal drugs on the following <jats:italic>Candida<\/jats:italic> species: <jats:italic>C<\/jats:italic>. <jats:italic>albicans<\/jats:italic>, <jats:italic>C<\/jats:italic>. <jats:italic>tropicalis<\/jats:italic>, <jats:italic>C<\/jats:italic>. <jats:italic>glabrata<\/jats:italic>, <jats:italic>C<\/jats:italic>. <jats:italic>parapsilosis<\/jats:italic> and <jats:italic>C<\/jats:italic>. <jats:italic>dubliniensis<\/jats:italic>. <jats:italic>In silico<\/jats:italic> analysis was performed to predict antifungal activity of the major compounds present in the extract. Minimal inhibitory concentrations (MICs) were determined in the presence of exogenous ergosterol and sorbitol. Yeast cells were grown in the presence of stressors. The loss of membrane integrity was assessed using propidium iodide staining (fluorescence emission). Synergism between the extract and antifungal compounds (in addition to time kill-curves) was determined. Molecular docking revealed possible interactions between myricitrin and acid gallic and enzymes involved in ergosterol and cell wall biosynthesis. <jats:italic>Candida<\/jats:italic> cells grown in the presence of the extract with addition of exogenous ergosterol and sorbitol showed 2 to 8-fold increased MICs. Strains treated with the extract revealed greater loss of membrane integrity when compared to their Fluconazole counterparts, but this effect was less pronounced than the membrane damage caused by Amphotericin B. The extract also made the strains more susceptible to Congo red and Calcofluor white. A synergistic action of the extract with Fluconazole and Micafungin was observed. The <jats:italic>E<\/jats:italic>. <jats:italic>uniflora<\/jats:italic> extract may be a viable option for the treatment of <jats:italic>Candida<\/jats:italic> infections.<\/jats:p>","DOI":"10.1371\/journal.pone.0303878","type":"journal-article","created":{"date-parts":[[2024,8,13]],"date-time":"2024-08-13T17:29:25Z","timestamp":1723570165000},"page":"e0303878","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":10,"title":["Mechanism of action and synergistic effect of Eugenia uniflora extract in Candida spp."],"prefix":"10.1371","volume":"19","author":[{"given":"Luanda B. F. C.","family":"Souza","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aur\u00e9lio","family":"de Oliveira Bento","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Estela M. 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