Classification into a Novel Mollu-Series of Neutral Glycosphingolipids from the Lamp Shell, <I>Lingula unguis</I>¶
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- AOKI Kazuhiro
- Department of Chemistry, Faculty of Liberal Arts and Education, Shiga University Current address: Department of Applied Molecular Biology, Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University
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- SUGIYAMA Sumiko
- Department of Chemistry, Faculty of Liberal Arts and Education, Shiga University
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- DULANEY John T.
- Department of Medicine, Division of Nephrology, The University of Tennessee
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- ITONORI Saki
- Department of Chemistry, Faculty of Liberal Arts and Education, Shiga University
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- SUGITA Mutsumi
- Department of Chemistry, Faculty of Liberal Arts and Education, Shiga University
書誌事項
- タイトル別名
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- Classification into a Novel Mollu-Series of Neutral Glycosphingolipids from the Lamp Shell, Lingula unguis.
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抄録
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.<br>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 51 (7), 463-472, 2002
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679069828864
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- NII論文ID
- 130000059994
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- NII書誌ID
- AA11503337
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- COI
- 1:CAS:528:DC%2BD38XkvVGitLs%3D
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 6263935
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可