Screening of Antarctic Antagonism against Vibro anguillarum and Preliminary Research of the Antibacterial Substances

Guang Feng Kan; Cui Juan Shi; Ming Chao Wang; Min Wang

doi:10.4028/www.scientific.net/AMR.347-353.635

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 347-353Screening of Antarctic Antagonism against Vibro...

Screening of Antarctic Antagonism against Vibro anguillarum and Preliminary Research of the Antibacterial Substances

Abstract:

Vibrio anguillarum is an opportunistic pathogen of aquatic animals, biocontrol agents have been revealed effective in preventing this disease. Antarctic bacteria were used for the screening of antagonism against V. anguillarum and strain AN32 showed highest activity. AN32 was identified as Pseudoalteromonas according to its morphological, physiological and biochemical and 16S rDNA molecular properties. The antibacterial substance in AN32 culture supernatant was sensitive to pH, temperature and proteinases. The substance could not dissolve in organic solvents, but could be precipitated by ammonium sulfate. These characterizations indicated that the bioactive substance of strain AN32 would be some kind of protein or peptide. This study is a potential application in the control of aquiculture diseases.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

635-638

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.635

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Online since:

October 2011

Authors:

Guang Feng Kan, Cui Juan Shi, Ming Chao Wang, Min Wang

Keywords:

Antarctic Bacteria, Antibacterial Substances, Pseudoalteromonas, Vibro Anguillarum

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