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Siderophore production and probiotic effect of Vibrio sp. associated with turbot larvae, Scophthalmus maximus ArchiMer
Gatesoupe, Fj.
The proportion of vibrio E, dominant in healthy turbot larvae, was artificially increased in the rotifer enrichment medium. The maid effect of this vibrio enrichment was to improve the resistance of larval turbot challenged with a pathogenic strain of Vibrio splendidus, vibrio P. The improvement of the survival rates was significant with 1.5 x 10(6) CFU of vibrio E added per mi of enrichment medium, and it was still maximum at the hi hest dose tested (5 x 10(7) CFU.ml(-1); 80 +/- 2% of survivors after 48 h of challenge, versus 50 +/- 2 % for the control group). Further in vitro characterisation showed that vibrio E was able to grow in the presence of the chelating agents EDDHA and EDTA, while producing siderophore, as revealed by chrome azurol S dyeing....
Tipo: Text Palavras-chave: Bacteria; Pathogenic Vibrio; Probiotic Vibrio; Experimental infection; Siderophore; Turbot; Larva.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/00065/17671/15199.pdf
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