Environmental science. Rethinking the marine carbon cycle: factoring in the multifarious lifestyles of microbes - PubMed (original) (raw)

Review

. 2015 Feb 13;347(6223):1257594.

doi: 10.1126/science.1257594.

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• PMID: 25678667
• DOI: 10.1126/science.1257594

Review

Environmental science. Rethinking the marine carbon cycle: factoring in the multifarious lifestyles of microbes

Alexandra Z Worden et al. Science. 2015.

Abstract

The profound influence of marine plankton on the global carbon cycle has been recognized for decades, particularly for photosynthetic microbes that form the base of ocean food chains. However, a comprehensive model of the carbon cycle is challenged by unicellular eukaryotes (protists) having evolved complex behavioral strategies and organismal interactions that extend far beyond photosynthetic lifestyles. As is also true for multicellular eukaryotes, these strategies and their associated physiological changes are difficult to deduce from genome sequences or gene repertoires—a problem compounded by numerous unknown function proteins. Here, we explore protistan trophic modes in marine food webs and broader biogeochemical influences. We also evaluate approaches that could resolve their activities, link them to biotic and abiotic factors, and integrate them into an ecosystems biology framework.

Copyright © 2015, American Association for the Advancement of Science.

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