期刊
ARCHIVES OF VIROLOGY
卷 165, 期 12, 页码 2973-2977出版社
SPRINGER WIEN
DOI: 10.1007/s00705-020-04793-2
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- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [10/2019/TN]
The bacteriophage vB_AhM_PVN02 (PVN02), infectingAeromonas hydrophila, was isolated from a striped catfish pond water sample in Can Tho City, Vietnam. The phage had high lytic activity with a latent period and burst size of approximately 20 min and 105 plaque-forming units per cell, respectively. Observation of the phage by transmission electron microscopy indicated that PVN02 belongs to the familyMyoviridae. The genome of PVN02 is a double-stranded linear DNA with a length in 51,668 bp and a content of 52% GC. Among the 64 genes, 16 were predicted to encode proteins with predicted functions. No virulence or antibiotic resistance genes were found in the genome, suggesting it would be a useful biocontrol agent. Classification of the phage based on sequence comparisons, phylogenetic analysis, and gene-sharing networks was carried out, and it was found to be the first representative of a new species within a previously undefined genus in the familyMyoviridae. This study confirmed that PVN02 is a novel lytic phage that could potentially be used as an agent to controlAeromonas hydrophilain striped catfish in the Mekong Delta, Vietnam.
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