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Homeostasis drives intense microbial trace metal processing on marine particles

Abstract : In the ocean, particles represent a large reservoir of metals essential for life. Microorganisms inhabiting particles can potentially access this resource with antagonist consequences. The acquisition of some trace elements could be beneficial whereas the presence of others could be deleterious. A multi-element investigation of the microbial response embedding both perspectives is, however, still lacking. The present study provides evidence for the processing of nine particulate trace metals in multiple manners by diverse microbial communities. An overarching mechanism essential for life, homeostasis, provides a conceptual framework to explain this observation. Scientific Significance Statement Outlet We consider our work presents a conceptual advance in an important topic of marine biogeochemistry. The use of metatranscriptomics is key in our study as it provides insights that can presently not be obtained by any other chemical or microbiological approach. Given the Special Issue â€oeLinking Metagenomics to Aquatic Microbial Ecology†published this year and the companion Editorial by D. Kirchman we think that our manuscript is timely and of interest to the readership of L&O.
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https://hal-cnrs.archives-ouvertes.fr/hal-03835535
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Submitted on : Monday, October 31, 2022 - 6:50:26 PM
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Pavla Debeljak, Stéphane Blain, Andrew Bowie, Pier Merwe, Barbara Bayer, et al.. Homeostasis drives intense microbial trace metal processing on marine particles. Limnology and Oceanography, 2021, 66 (10), pp.3842-3855. ⟨10.1002/lno.11923⟩. ⟨hal-03835535⟩

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