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  • Title: A neutral sugar is responsible for serovar specificity of the antigenic determinant of Leptospira interrogans serovar canicola.
    Author: Kashiwase H, Ono E, Yanagawa R, Shimizu Y, Kida H.
    Journal: Jpn J Vet Res; 1994 Aug; 42(2):103-8. PubMed ID: 7528287.
    Abstract:
    To provide information on the chemical structures of antigenic determinants of leptospira, glycolipids of Leptospira interrogans serovar canicola strain Hond Utrecht IV (Ut-IV) and its antigenic variant selected in the presence of a serovar-specific monoclonal antibody were compared physicochemically. Gas-liquid chromatography-mass spectrometry analysis revealed that the glycolipid of Ut-IV contained 6 neutral sugar species; rhamnose, mannose, galactose, glucose, and unknown sugars III and IV, in addition to unknown sugars I and II that had been previously reported. On the other hand, the glycolipid of the variant lacked unknown sugar III, suggesting that this sugar is responsible for the serovar-specific antigenic determinant.
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