Diatom modulation of select bacteria through use of two unique secondary metabolites

Shibl, Ahmed A.; Isaac, Ashley; Ochsenkühn, Michael A.; Cárdenas, Anny; Fei, Cong; Behringer, Gregory; Arnoux, Marc; Drou, Nizar; Santos, Miraflor P.; Gunsalus, Kristin C.; Voolstra, Christian R.; Amin, Shady A.

doi:10.1073/pnas.2012088117

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Diatom modulation of select bacteria through use of two unique secondary metabolites

2020
By Shibl, Ahmed A. ; Isaac, Ashley ; Ochsenkühn, Michael A. ; ...
Source: Proceedings of the National Academy of Sciences, 117(44), 27445-27455

[PDF-1.99 MB]

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Proceedings of the National Academy of Sciences
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Shibl, Ahmed A. ; Isaac, Ashley ; Ochsenkühn, Michael A. ; Cárdenas, Anny ; Fei, Cong ; ... More +

Shibl, Ahmed A. ; Isaac, Ashley ; Ochsenkühn, Michael A. ; Cárdenas, Anny ; Fei, Cong ; Behringer, Gregory ; Arnoux, Marc ; Drou, Nizar ; Santos, Miraflor P. ; Gunsalus, Kristin C. ; Voolstra, Christian R. ; Amin, Shady A. Less -
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NOS (National Ocean Service)
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Significance Phytoplankton are major primary producers in the marine environment that excrete a wide range of metabolites. These exudates support the growth of surrounding bacteria that in turn provide phytoplankton cells with resources and growth cofactors to proliferate. Unlike multicellular eukaryotes with dedicated structures housing microbiomes, mechanisms enabling unicellular eukaryotic phytoplankton hosts to modulate potential symbionts and opportunists within a natural microbial community are unknown. Exposure of a host phytoplankton cell to its natural microbial community triggers major transcriptional and metabolic reprogramming to release unique secondary metabolites that selectively enable growth and attachment of symbiotic taxa while simultaneously suppressing the colonization of nonsymbiont bacteria. These results suggest strong and highly selective microbiome-modulating strategies shared across the unicellular and multicellular eukaryotic lineages.
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Multidisciplinary
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Proceedings of the National Academy of Sciences, 117(44), 27445-27455
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https://doi.org/10.1073/pnas.2012088117
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0027-8424;1091-6490;
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PDF
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Proceedings of the National Academy of Sciences
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Journal Article
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Grant no. NA19NOS4780183
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https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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urn:sha256:4830604b102321039d0e09c4e55a0de416b8ab1f714bc13f9b6248055babb1f0
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Diatom modulation of select bacteria through use of two unique secondary metabolites

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