title: Carotenoid glucosides and menaquinones from the gliding bacterium Herpetosiphon giganteus Hp a2.
abstract: The gliding bacterium Herpetosiphon giganteus Hp a2 was shown to contain gamma-carotene, one monoglucosyloxy and two new diglucosyloxy carotenoids with a x-O-acyldiglucosyloxy carotenoid as main component. Flexirubin-like pigments could not be detected in this organism. As in the Myxobacterales and Cytophagales (Kleinig et al., 1974) menaquinones (MK-6 and MK-7) were found to be the only isoprenoid quinones present in Herpetosiphon. The chemosystematic implications of these findings are briefly discussed.
mesh_terms: D041963:Bacteroidetes / Q000032:analysis* / Q000145:classification; D002338:Carotenoids / Q000032:analysis*; D005960:Glucosides / Q000032:analysis*; D006027:Glycosides / Q000032:analysis*; D010860:Pigments, Biological / Q000032:analysis; D013057:Spectrum Analysis; D014812:Vitamin K / Q000032:analysis*
chemical_list: D005960:Glucosides; D006027:Glycosides; D010860:Pigments, Biological; D014812:Vitamin K; D002338:Carotenoids