Journal
NATURE REVIEWS MICROBIOLOGY
Volume 7, Issue 6, Pages 451-459Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nrmicro2115
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Funding
- NSF [OPP 0806295, OPP 0217282]
- Spanish researcher mobility fellowship
- Directorate For Geosciences
- Office of Polar Programs (OPP) [823101] Funding Source: National Science Foundation
- Office of Polar Programs (OPP)
- Directorate For Geosciences [0806295] Funding Source: National Science Foundation
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Heterotrophic bacteria are the most abundant organisms on the planet and dominate oceanic biogeochemical cycles, including that of carbon. Their role in polar waters has been enigmatic, however, because of conflicting reports about how temperature and the supply of organic carbon control bacterial growth. In this Analysis article, we attempt to resolve this controversy by reviewing previous reports in light of new data on microbial processes in the western Arctic Ocean and by comparing polar waters with low-latitude oceans. Understanding the regulation of in situ microbial activity may help us understand the response of the Arctic Ocean and Antarctic coastal waters over the coming decades as they warm and ice coverage declines.
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