Vibrio sp. strain NM 10, isolated from the intestine of a Japanese coastal fish, has an inhibitory effect against Pasteurella piscicida

Article Abstract:

A research was conducted to investigate the isolation of bacterial strains have inhibitory effects against Pasteurella piscicida isolated from marine fish intestines and to study some of the properties of the antibacterial substance. A double-layer method was utilized to examine the antibacterial spectrum of Vibrio sp. strain NM 10 against 363 intestinal bacteria. Moreover, the culture supernatant was fractionated with a Molcut L ultrafiltration kit to estimate the molecular mass of the antibacterial substance.

Antibacterial agents, Marine fishes

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Anaerobic and aerobic degradation of pyridine by a newly isolated denitrifying bacterium

Article Abstract:

The anaerobic and aerobic degradation of a pyridine by a newly isolated denitrifying bacterium were studied. The research also described the isolation of a new bacteria that grow on pyridine as the sole carbon source under denitrifying conditions. Results suggest that strain pF6, a newly-isolated denitrifying bacterium, had considerable advantages over strictly aerobic bacteria in field applications.

Bacteria, Pyridine, Denitrification

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A tetrodotoxin-producing Vibrio strain, LM-1, from the puffer fish Fugu vermicularis radiatus

Article Abstract:

Tetrodotoxin appears to be produced by Vibrio species that infect the intestines of puffer fish. A Vibrio strain isolated from the puffer fish Fugu vermicularis radiatus produced tetrodotoxin, 4-epi-tetrodotoxin, and anhydro-tetrodotoxin.

Tetrodotoxin

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