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Table 2 Phenotypic characteristics of the aquatic gliding bacterial isolates

From: Antibacterial activity of aquatic gliding bacteria

Characteristic RPD001 RPD008 RPD018 RPD027 RPD049
Cell morphology Filament Rod Rod Rod Rod
Size in length (µm) 5–10 0.2–0.5 0.2–0.4 0.2–0.4 0.2–0.6
Colony color Yellow Yellow Yellow Pale-bright Pale-bright
Gliding motility + + + + +
Gram’s stain Negative Negative Negative Negative Negative
Oxidase
Catalase +
Enzyme activities
 Alkaline phosphatase + + +
 Esterase (C4) + + + + +
 Esterase lipase (C8) + + + + +
 Lipase (C14) +
 Acid phophatase + +
 Naphthol-AS-BI-phosphohydrolase + + + + +
 β-Galactosidase +
Hydrolysis of
 Arginine + +
 Sodium citrate + +
 Urea + + + +
 Tryptophan +
 Sodium pyruvate + +
 Kohn’s gelatin +
Acid production of
 d-Arabinose + +
 l-Arabinose +
 Ribose + + + +
 d-Xylose + +
 Galactose +
 Glucose + + +
 Fructose + + + +
 Mannose + +
 Mannitol +
 Esculin + +
 Cellobiose + + + +
 Maltose + + + +
 Sucrose + + + +
 Starch + + + +
 Raffinose + + +
 d-Fucose + + +
 l-Fucose + +
 5-Keto-gluconate + +
 Glycerol + + + +
  1. RPD is Cheow Lan Reservoir, where specimens were collected