Author Contributions
AB collected the samples, conceived and designed the experiments,
performed the experiments, analyzed the data, performed bioinformatic
analysis, wrote the paper, and prepared figures and tables. LL
contributed to discussion of metagenome-assembled genome analysis,
discussed the data, wrote the paper, and reviewed drafts of the paper.
LM performed network analysis, wrote the paper, and reviewed drafts of
the paper. CS discussed the data, wrote the paper, and reviewed drafts
of the paper. BB discussed the data, wrote and reviewed drafts of the
paper. VP conceived and designed the experiments, contributed reagents,
materials, and analysis tools, and wrote and reviewed drafts of the
paper.
Funding
This study was part of the projects Microsfera (CNPq 407816/2013-5) and
INCT-Criosfera (CNPq 028306/2009) and supported by the Brazilian
National Council of Technological and Scientific Development (CNPq) and
the Brazilian Antarctic Program (ProAntar). The São Paulo Research
Foundation – FAPESP supported ABs Doctoral fellowship
(2012/23241-0).
Conflict of Interest
Statement
The authors 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.