Microbes Roil Oceans: Microorganisms Play Significant Role in Oceanic Nutrient and Energy Cycling
The Impact
Within the ocean, oxygen-starved zones affect the productivity of fisheries, emissions of greenhouse gases, biodiversity in coastal zones, and more. The results of this work significantly improve the crude models of microbial activity in these important oceanic zones. And, these results not only provide holistic insights into how microbes drive nutrient and energy flow within the oceanic environment but also how they influence the atmospheric ecosystem.
Researchers developed a biogeochemical model that integrates multiomic sequence data to explain key metabolic processes in oxygen-starved waters.
Summary
Oxygen minimum zones are widespread areas in the ocean. In these zones, oxygen is depleted due to the metabolic activity of microbes. Rising temperatures drive expansion of oxygen minimum zones, making these areas especially relevant as model ecosystems for climate science. In turn, microbial metabolic networks in these areas are predicted to have a growing influence on nutrient and energy cycling in the ocean.
Funding
This work was supported by the U.S. Department of Energy (DOE), Office of Science, Office of Biological and Environmental Research, including support of the Joint Genome Institute and Environmental Molecular Sciences Laboratory, both DOE Office of Science user facilities; G. Unger Vetlesen and Ambrose Monell foundations; Tula Foundation; Natural Sciences and Engineering Research Council of Canada; Genome British Columbia; Canada Foundation for Innovation; and Canadian Institute for Advanced Research.
Contacts and sources:
Department of Energy, Office of Science
Citation: S. Louca, A.K. Hawley, S. Katsev, M. Torres-Beltran, M.P. Bhatia, S. Kheirandish, C.C. Michiels, D. Capelle, G. Lavik, M. Doebeli, S.A. Crowe, and S.J. Hallam, “Integrating biogeochemistry with multiomic sequence information in a model oxygen minimum zone.” Proceedings of the National Academy of Sciences (USA) 113(40), E5925-E5933 (2016). [DOI: 10.1073/pnas.1602897113]
Source: http://www.ineffableisland.com/2017/02/microbes-roil-oceans-microorganisms.html
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