Photobacterium marinum

Photobacterium marinum is a gram-negative, oxidase and catalase positive, motile bacteria of the genus Photobacterium.[1] Photobacterium marinum are commonly found in marine environment.[1] S.I. Paul et al. (2021)[1] isolated, characterized and identified Photobacterium marinum from marine sponges of the Saint Martin's Island Area of the Bay of Bengal, Bangladesh.

Photobacterium marinum
Scientific classification
Domain: Bacteria
Phylum: Pseudomonadota
Class: Gammaproteobacteria
Order: Vibrionales
Family: Vibrionaceae
Genus: Photobacterium
Species:
P. marinum
Binomial name
Photobacterium marinum
Srinivas et al. 2013

Biochemical characteristics of Photobacterium marinum

Colony, morphological, physiological, and biochemical characteristics of Photobacterium marinum are shown in the Table below.[1]

Test type Test Characteristics
Colony characters Size Medium
Type Round
Color Creamy
Shape Convex
Morphological characters Shape Rod
Physiological characters Motility +
Growth at 6.5% NaCl +
Biochemical characters Gram’s staining
Oxidase +
Catalase +
Oxidative-Fermentative Oxidative
Motility +
Methyl Red +
Voges-Proskauer
Indole +
H2S Production
Urease V
Nitrate reductase +
β-Galactosidase
Hydrolysis of Gelatin +
Aesculin V
Casein V
Tween 40 +
Tween 60 +
Tween 80 +
Acid production from Glycerol +
Galactose +
D-Glucose +
D-Fructose V
D-Mannose
Mannitol V
N-Acetylglucosamine V
Amygdalin +
Maltose V
D-Melibiose +
D-Trehalose +
Glycogen V
D-Turanose V

Note: + = Positive; – =Negative; V =Variable (+/–)

References

  1. Paul, Sulav Indra; Rahman, Md. Mahbubur; Salam, Mohammad Abdus; Khan, Md. Arifur Rahman; Islam, Md. Tofazzal (2021-12-15). "Identification of marine sponge-associated bacteria of the Saint Martin's island of the Bay of Bengal emphasizing on the prevention of motile Aeromonas septicemia in Labeo rohita". Aquaculture. 545: 737156. doi:10.1016/j.aquaculture.2021.737156. ISSN 0044-8486.
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