Seasonal Dynamics and Metagenomic Characterization of Marine Viruses in Goseong Bay, Korea
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Title
- Seasonal Dynamics and Metagenomic Characterization of Marine Viruses in Goseong Bay, Korea
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Author(s)
- Hwang, Jinik; Park, So Yun; Park, Mirye; Lee, Sukchan; Lee, Taek-Kyun
- KIOST Author(s)
- Lee, Taek Kyun(이택견)
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Alternative Author(s)
- 황진익; 박소윤; 박미례; 이택견
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Publication Year
- 2017-01-25
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Abstract
- Viruses are the most abundant biological entities in the oceans, and account for a significant amount of the genetic diversity of marine ecosystems. However, there is little detailed information about the biodiversity of viruses in marine environments. Rapid advances in metagenomics have enabled the identification of previously unknown marine viruses. We performed metagenomic profiling of seawater samples collected at 6 sites in Goseong Bay (South Sea, Korea) during the spring, summer, autumn, and winter of 2014. The results in-dicated the presence of highly diverse virus communities. The DNA libraries from samples collected during four seasons were sequenced using Illumina HiSeq 2000. The number of viral reads was 136,850 during March, 70,651 during June, 66,165 during September, and 111,778 during December. Species identification indicated that Pelagibacter phage HTVC010P, Ostreococcus lucimarinus OIV5 and OIV1, and Roseobacter phage SIO1 were the most common species in all samples. For viruses with at least 10 reads, there were 204 species during March, 189 during June, 170 during September, and 173 during December. Analysis of virus families indicated that the Myoviridae was the most common during all four seasons, and viruses in the Polyomaviridae were only present during March. Viruses in the Iridoviridae were only present during three seasons. Additionally, viruses in the Iridoviridae, Herpesviridae, and Poxviridae, which may affect fish and marine animals, appeared during different seasons. These results suggest that seasonal changes in temperature contribute to the dynamic structure of the viral community in the study area. The information presented here will be useful for comparative analyses with other marine viral communities.
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ISSN
- 1932-6203
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2132
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DOI
- 10.1371/journal.pone.0169841
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Bibliographic Citation
- PLOS ONE, v.12, no.1, 2017
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Publisher
- PUBLIC LIBRARY SCIENCE
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Subject
- SEALS HALICHOERUS-GRYPUS; BACTERIAL-GROWTH RATE; MICROBIAL COMMUNITIES; MORTALITY; INFECTION; ABUNDANCE; DISEASES; ECOLOGY; OSHV-1
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Type
- Article
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Language
- English
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Document Type
- Article
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