Lipopolysaccharide-producing bacteria, lipopolysaccharides, and lipopolysaccharide-containing, medicines and veterinary medicines

A lipopolysaccharide produced by a strain of the species Enterobacter cloacae, having all of the identifying characteristics of FERM BP-3510 and exhibiting a dominant molecular weight of 6,500.+-.2,500 as determined by SDS-PAGE method, having 1-2 phosphorus, 7.+-.1 hexosamines and 1-2 KDO per molecular weight of 5,000, wherein the identifying characteristics are as follows:

• a) Morphological characteristics
• 1) Small rod
• 2) No Motility
• 3) Gram stain:
• -
• b) Growth
• 1) Standard agar medium:
• A creamy opaque colony is formed;
• 2) SS agar medium:
• A red opaque colony is formed;
• 3) TSI agar medium:
• No change is found on the slant, but a higher layer changes to yellow;
• Gas is produced;
• c) Physiological characteristics
• 1) voges-Proskauer reaction:
• +
• 2) Indole production:
• -
• 3) Hydrogen sulfide production:
• -
• 4) Utilization of citrate:
• +
• 5) Urease:
• -
• 6) Oxidase:
• -
• 7) O-F test:
• +
• d) Utilization of carbon sources
• 1) Lactose:
• +
• 2) Adonitol:
• -
• 3) Rhamnose:
• +
• 4) Mannitol:
• +
• 5) Esculin:
• +
• 6) Inositol:
• -
• 7) Sorbitol:
• +
• 8) Arabinose:
• +
• 9) Raffinose:
• +
• 10) Sucrose:
• +
• e) Others
• 1) Lyein decarboxylase:
• -
• 2) Utilization of malonate:
• +
• 3) Arginine dihydroxylase:
• +
• 4) Phenylalanine deaminase:
• -
• 5) Ornithine decarboxylase:
• +

A lipopolysaccharide produced by a strain of the species Pantoea agglomerans, having all of the identifying characteristics of FERM BP-3511 and exhibiting a dominant molecular weight of 6,500.+-.2,500 as determined by SDS-PAGE method, having 2.+-.1 phosphorus, 5.+-.1 hexosamines and 2.+-.1 KDO per molecular weight of 5,000, wherein the identifying characteristics are as follows:

• a) Morphological characteristics
• 1) Small rod
• 2) No Motility
• 3) Gram stain:
• -
• b) Growth
• 1) Standard agar medium:
• A yellow round translucent colony is formed;
• 2) SS agar medium:
• No colony is formed;
• 3) TSI agar medium:
• No change is found on the slant, but a higher layer changes to yellow. Gas is not produced;
• c) Physiological characteristics
• 1) Voges-Proskauer reaction:
• +
• 2) Indole production:
• -
• 3) Hydrogen sulfide production:
• -
• 4) Utilization of titrate:
• +
• 5) Urease:
• -
• 6) Oxidass:
• -
• 7) O-F test:
• +
• d) Utilization of carbon sources
• 1) Lactose:
• +
• 2) Adonitol:
• -
• 3) Rhamnose:
• +
• 4) Mannitol:
• +
• 5) Esculin:
• +
• 6) Inositol:
• -
• 7) Sorbitol:
• +
• 8) Arabinose:
• +
• 9) Raffinose:
• -
• 10) Sucrose:
• +
• e) Others
• 1) Lysin decarboxylase:
• -
• 2) Utilization of malonate:
• +
• 3) Arginine dihydroxylase:
• -
• 4) Phenylalanine deaminase:
• -
• 5) Ornithine decarboxylase:
• -