Carbohydrate profiles of B. abortus 30101 (A) B. melitensis 31242 (B) B. suis 23444 (C), and B. canis 30201 (D). Rib, ribose; Ara, arabinose (internal standard); QuN, quinovosamine; Man, mannose; Glu, glucose; Gal, galactose; GlN, glucosamine; Mur, muramic acid; MeGN, methylglucamine (internal standard). Note the presence of quinovosamine in B. canis and its absence in the other three species.