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An Antiviral Agent (46NW-04A) Produced by Pseudomonas sp. and Its Activity ageinst Fish Viruses

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Title: An Antiviral Agent (46NW-04A) Produced by Pseudomonas sp. and Its Activity ageinst Fish Viruses
Authors: Kimura, Takahisa Browse this author
Yoshimizu, Mamoru Browse this author →KAKEN DB
Ezura, Yoshio Browse this author
Kamei, Yuto Browse this author
Issue Date: Jan-1990
Publisher: American Fisheries Society
Journal Title: Journal of Aquatic Animal Health
Volume: 2
Issue: 1
Start Page: 12
End Page: 20
Publisher DOI: 10.1577/1548-8667(1990)002<0012:AAAPBP>2.3.CO;2
Abstract: The antiviral agent 46NW-04A was isolated and characterized from cell-free culture fluid of Pseudomonas sp. 46NW-04 isolated from the aquatic environment. Production of the antiviral substance was maximal at 25℃ during days 2-3 of bacterial incubation. Extraction from 30 L of culture fluid by ethyl acetate and purification by thin-layer chromatography on silica gel resulted in 709 mg of the purified antiviral material. Molecular weight of this substance was 1,126 by secondary ionization mass spectrometry, and chemical properties suggested that 46NW-04A was a peptide. Its antiviral activity, measured as the concentration causing 100% plaque reduction, was 25 μg/mL against Oncorhynchus masou virus and infectious hematopoietic necrosis virus. However, no antiviral activity was observed against infectious pancreatic necrosis virus at the concentrations tested. Pseudomonas sp. 46NW-04 was identified as Pseudomonas fluorescens biovar I.
Type: article
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 吉水 守

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