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ACKNOWLEDGMENTS
This work was supported by Grants-in Aids for Scientific Research (S) (no. 21H05057) and (B)
(no. 17H03850) from the Japan Society for the Promotion of Science (JSPS). This work was also
partly supported by The Canon Foundation (no. 203143100025), JSPS Scientific Research on
Innovative Areas (no. 16H06437), and the Bilateral Open Partnership Joint Research Project
(Japan-Lithuania Research Cooperative Program) “Research on prediction of environmental
change in Baltic Sea based on comprehensive metagenomic analysis of microbial viruses.”
We declare that the research was conducted in the absence of any commercial or
financial relationships that could be construed as a potential conflict of interest.
D.M. contributed to experiments and samplings, manuscript preparation, experimental
design, and results discussion. N.Y. mainly conducted experiments and part of the in silico
analysis. S.N. and A.S. supported the sampling and experiments. Y.S. contributed to
manuscript discussion and revision. T.Y. contributed to the experimental design, results
discussion, manuscript revision, and overall support for this study.
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