{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362825895997828352.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.bbamem.2004.09.002"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0005273604002184?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0005273604002184?httpAccept=text/plain"}},{"identifier":{"@type":"PMID","@value":"15533309"}}],"dc:title":[{"@value":"Membrane-permeabilizing activities of amphidinol 3, polyene-polyhydroxy antifungal from a marine dinoflagellate"}],"description":[{"notation":[{"@value":"Amphidinols, which are polyene-polyhydroxy metabolites produced by the marine dinoflagellate Amphidinium klebsii, possess potent antifungal and hemolytic activities. The membrane permeabilizing actions of amphidinol 3, the most potent homologue, were compared with those of polyene antibiotics, amphotericin B (AmB) and filipin, in hemolytic tests, 23Na nuclear magnetic resonance (NMR)-based membrane permeabilizing assays, and UV spectroscopy for liposome-bound forms. In Na+ flux experiments using large unilamellar vesicles (LUVs), ion efflux by amphidinol 3 was inhibited by cholesterol or ergosterol, which was opposed to previous results [J. Mar. Biotechnol., 5 (1997) 124]. When the effect of the agents on the size of vesicles was examined by light scattering experiments, amphidinol 3 did not significantly alter their size while filipin and synthetic detergent Triton X-100 did. The observations implied that the activity of amphidinol 3 was mainly due to formation of large pores/lesions in liposomes rather than detergent-like disruption of membrane. The pore/lesion size was estimated to be 2.0-2.9 nm in diameter on the basis of osmotic protection experiments using blood cells. The UV spectra in liposomes, which revealed the close interaction of polyene moieties in a lipid bilayer, further implied that the membrane activity of amphidinol 3 is caused by the molecular assemblage formed in biomembrane. These results disclose that amphidinol 3 is one of few non-ionic compounds that possess potent membrane permeabilizing activity with non-detergent mechanism."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382825895997828352","@type":"Researcher","foaf:name":[{"@value":"Toshihiro Houdai"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825895997828354","@type":"Researcher","foaf:name":[{"@value":"Shigeru Matsuoka"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825895997828353","@type":"Researcher","foaf:name":[{"@value":"Nobuaki Matsumori"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825895997828355","@type":"Researcher","foaf:name":[{"@value":"Michio Murata"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00052736"}],"prism:publicationName":[{"@value":"Biochimica et Biophysica Acta (BBA) - Biomembranes"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2004-11","prism:volume":"1667","prism:number":"1","prism:startingPage":"91","prism:endingPage":"100"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/","https://www.elsevier.com/open-access/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S0005273604002184?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0005273604002184?httpAccept=text/plain"}],"createdAt":"2004-09-21","modifiedAt":"2020-04-03","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Antifungal%20Agents","dc:title":"Antifungal Agents"},{"@id":"https://cir.nii.ac.jp/all?q=Cell%20Membrane%20Permeability","dc:title":"Cell Membrane Permeability"},{"@id":"https://cir.nii.ac.jp/all?q=Amphidinol","dc:title":"Amphidinol"},{"@id":"https://cir.nii.ac.jp/all?q=Biophysics","dc:title":"Biophysics"},{"@id":"https://cir.nii.ac.jp/all?q=Alkenes","dc:title":"Alkenes"},{"@id":"https://cir.nii.ac.jp/all?q=Biochemistry","dc:title":"Biochemistry"},{"@id":"https://cir.nii.ac.jp/all?q=Hemolysis","dc:title":"Hemolysis"},{"@id":"https://cir.nii.ac.jp/all?q=Structure-Activity%20Relationship","dc:title":"Structure-Activity Relationship"},{"@id":"https://cir.nii.ac.jp/all?q=Amphotericin%20B","dc:title":"Amphotericin B"},{"@id":"https://cir.nii.ac.jp/all?q=Animals","dc:title":"Animals"},{"@id":"https://cir.nii.ac.jp/all?q=Filipin","dc:title":"Filipin"},{"@id":"https://cir.nii.ac.jp/all?q=Nuclear%20Magnetic%20Resonance,%20Biomolecular","dc:title":"Nuclear Magnetic Resonance, Biomolecular"},{"@id":"https://cir.nii.ac.jp/all?q=Pyrans","dc:title":"Pyrans"},{"@id":"https://cir.nii.ac.jp/all?q=Spectrum%20Analysis","dc:title":"Spectrum Analysis"},{"@id":"https://cir.nii.ac.jp/all?q=Cell%20Biology","dc:title":"Cell Biology"},{"@id":"https://cir.nii.ac.jp/all?q=Cholesterol","dc:title":"Cholesterol"},{"@id":"https://cir.nii.ac.jp/all?q=Liposomes","dc:title":"Liposomes"},{"@id":"https://cir.nii.ac.jp/all?q=Dinoflagellida","dc:title":"Dinoflagellida"},{"@id":"https://cir.nii.ac.jp/all?q=Amphidinium%20klebsii","dc:title":"Amphidinium klebsii"},{"@id":"https://cir.nii.ac.jp/all?q=Sodium%20Isotopes","dc:title":"Sodium Isotopes"},{"@id":"https://cir.nii.ac.jp/all?q=Porosity","dc:title":"Porosity"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050860609169725952","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Amphotericin B assembles into seven-molecule ion channels: An NMR and molecular dynamics study"}]},{"@id":"https://cir.nii.ac.jp/crid/1360002216604172160","@type":"Article","resourceType":"学術雑誌論文(journal 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