{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T01:23:36Z","timestamp":1792113816108,"version":"4.4.0"},"reference-count":54,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2012,1,25]],"date-time":"2012-01-25T00:00:00Z","timestamp":1327449600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,1,25]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Neothyonidioside is a triterpene glycoside (TG) isolated from the sea cucumber, Australostichopus mollis, that is potently cytotoxic to S. cerevisiae, but does not permeabilize cellular membranes. We mutagenized S. cerevisiae and isolated a neothionidioside-resistant (neoR) strain. Using synthetic genetic array mapping and sequencing, we identified NCP1 as the resistance locus. Quantitative HPLC revealed that neoR\/ncp1 mutants have reduced ergosterol content. Ergosterol added to growth media reversed toxicity, demonstrating that neothionidioside binds directly to ergosterol, similar to the polyenenatamycin. Ergosterol synthesisinhibitorsketoconazole and atorvastatin conferred resistance to neothionidioside in a dose-dependent manner showing that a threshold ergosterol concentration is required for toxicity. A genome-wide screen of deletion mutants against neothionidioside revealed hypersensitivity of many of the component genes in the ESCRT complexes relating to multivesicular body formation. Confocal microscopy of cells stained with a vital dye showed blockage at this step. Thus, we propose neothionidioside may affect membrane curvature and fusion capability in the endosome-vacuole pathway.<\/jats:p>\n                  <jats:p\/>","DOI":"10.1039\/c2mb05426d","type":"journal-article","created":{"date-parts":[[2012,1,23]],"date-time":"2012-01-23T11:53:40Z","timestamp":1327319620000},"page":"902-912","source":"Crossref","is-referenced-by-count":25,"title":["Molecular basis for fungicidal action of neothyonidioside, a triterpene glycoside from the sea cucumber,\n                    <i>Australostichopus mollis<\/i>"],"prefix":"10.1093","volume":"8","author":[{"given":"Ploi","family":"Yibmantasiri","sequence":"first","affiliation":[{"name":"School of Biological Sciences, Victoria University of Wellington a , Kelburn Parade Kelburn, Wellington New Zealand \u00a0 david.bellows@vuw.ac.nz \u00a0 64 4 463 5331 \u00a0 64 4 463 5438"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dora 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