Classification into a Novel Mollu-Series of Neutral Glycosphingolipids from the Lamp Shell, Lingula unguis¶
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概要
- 論文の詳細を見る
Seven neutral glycosphingolipids were isolated and purified from the lamp shell, Lingula unguis by successive column chromatography on ion exchange Sephadex (QAE-Sephadex), magnesium silicate (Florisil) and silicic acid (Iatrobeads). Their chemical structures were characterized as Glcβ1-1ceramide (CMS1, CMS2 and CMS3), Manβ1-4Glcβ1-1ceramide (MlOse2Cer, CDS), Manα1-3Manβ1-4Glcβ1-1ceramide (MlOse3Cer, CTS), GlcNAcβ1-2Manα1-3Manβ1-4Glcβ1-1ceramide (MlOse4Cer, CQS) and GlcNAcβ1-4GlcNAcβ1-2Manα1-3Manβ1-4Glcβ1-1ceramide (IV4βGlcNAc-MlOse4Cer, CPS) by compositional analysis, methylation analysis, exoglycosidase cleavage, gas-liquid chromatography, gas chromatograph-mass spectrometry and matrix-assisted laser desorption ionization time-of-flight mass spectrometry. Aliphatic constituents of CDS, CTS, CQS and CPS were virtually the same, with C16:0 and C18:0, and their 2-hydroxy homologues as the fatty acids, and octadecasphinga-4,8,10-trienine as the sole sphingoid. However, the ceramide compositions of CMS1, CMS2 and CMS3 differed from those of the other four glycolipids. The fatty acid composition of CMS1 consisted completely of C16:0, C17:0 and C18:0 acids, but both CMS2 and CMS3 contained instead of their 2-hydroxy homologues. The sphingoid components of CMS1 and CMS2 were octadecasphinga-4-enine and octadecasphinga-4,8,10-trienine, but that of CMS3 was entirely trihydroxysphingoid, 4-hydroxyoctadecasphiganine.
- 日本油化学会の論文
- 2002-07-01
著者
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ITONORI Saki
Department of Chemistry, Faculty of Liberal Arts & Education, Shiga University
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SUGITA Mutsumi
Department of Chemistry, Faculty of Liberal Arts & Education, Shiga University
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Dulaney John
Department of Medicine, Division of Nephrology, University of Tennessee, Memphis, USA
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Dulaney J
Univ. Tennessee Tn Usa
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Dulaney John
Department Of Medicine Division Of Nephrology The University Of Tennessee
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Dulaney John
テネシー大学医学部腎臓学教室
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Dulaney John
滋賀大学 教育
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Aoki K
Graduate School Of Biostudies Kyoto University
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Sugita M
Dep. Of Chemistry Fac. Of Liberal Arts And Education Shiga Univ.
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Sugita M
Shiga Univ. Shiga Jpn
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Sugita Mutsumi
Department Of Chemistry Faculty Of Liberal Arts & Education Shiga University
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Itonori S
Department Of Chemistry Faculty Of Liberal Arts And Education Shiga University
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Itonori Saki
Department Of Chemistry Faculty Of Liberal Arts & Education Shiga University
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Dulaney John
Department Of Medicine Division Of Nephrology University Of Tennessee
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AOKI Kazuhiro
Current address
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SUGIYAMA Sumiko
Department of Chemistry, Faculty of Liberal Arts and Education, Shiga University
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Sugiyama Sumiko
Department Of Chemistry Faculty Of Liberal Arts And Education Shiga University
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Sugita Mutsumi
Faculty Of Liberal Arts And Education Shiga University
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