Skip to main content

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