Mechanisms of increased Trichodesmium fitness under iron and phosphorus co-limitation in the present and future ocean

dc.contributor.author Walworth, Nathan G.
dc.contributor.author Fu, Fei-Xue
dc.contributor.author Webb, Eric A.
dc.contributor.author Saito, Mak A.
dc.contributor.author Moran, Dawn M.
dc.contributor.author Mcllvin, Matthew R.
dc.contributor.author Lee, Michael D.
dc.contributor.author Hutchins, David A.
dc.date.accessioned 2016-07-07T19:31:32Z
dc.date.available 2016-07-07T19:31:32Z
dc.date.issued 2016-06-27
dc.description © The Author(s), 2016. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Nature Communications 7 (2016): 12081, doi:10.1038/ncomms12081. en_US
dc.description.abstract Nitrogen fixation by cyanobacteria supplies critical bioavailable nitrogen to marine ecosystems worldwide; however, field and lab data have demonstrated it to be limited by iron, phosphorus and/or CO2. To address unknown future interactions among these factors, we grew the nitrogen-fixing cyanobacterium Trichodesmium for 1 year under Fe/P co-limitation following 7 years of both low and high CO2 selection. Fe/P co-limited cell lines demonstrated a complex cellular response including increased growth rates, broad proteome restructuring and cell size reductions relative to steady-state growth limited by either Fe or P alone. Fe/P co-limitation increased abundance of a protein containing a conserved domain previously implicated in cell size regulation, suggesting a similar role in Trichodesmium. Increased CO2 further induced nutrient-limited proteome shifts in widespread core metabolisms. Our results thus suggest that N2-fixing microbes may be significantly impacted by interactions between elevated CO2 and nutrient limitation, with broad implications for global biogeochemical cycles in the future ocean. en_US
dc.description.sponsorship Grant support was provided by U.S. National Science Foundation OCE 1260490 to D.A.H., E.A.W. and F.-X.F., and OCE OA 1220484 and G.B. Moore Foundation 3782 and 3934 to M.A.S. en_US
dc.identifier.citation Nature Communications 7 (2016): 12081 en_US
dc.identifier.doi 10.1038/ncomms12081
dc.identifier.uri https://hdl.handle.net/1912/8095
dc.language.iso en_US en_US
dc.publisher Nature Publishing Group en_US
dc.relation.uri https://doi.org/10.1038/ncomms12081
dc.rights Attribution 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.title Mechanisms of increased Trichodesmium fitness under iron and phosphorus co-limitation in the present and future ocean en_US
dc.type Article en_US
dspace.entity.type Publication
relation.isAuthorOfPublication 460c2041-1d6d-4b0a-8a34-0692021d46f3
relation.isAuthorOfPublication ad4f212f-82bb-4211-b5fe-1477e7a34cd8
relation.isAuthorOfPublication 3f920418-8a18-4a53-8023-dbead862fa65
relation.isAuthorOfPublication 0fd499a5-2c8f-4e73-afd8-b33db071dd97
relation.isAuthorOfPublication db48912d-9551-4986-b894-098c38186093
relation.isAuthorOfPublication 15560060-64ef-4bb7-aace-7a5750852a3f
relation.isAuthorOfPublication 26e03a71-d087-479b-95d8-a586edd28874
relation.isAuthorOfPublication 94829710-b089-45b8-a2e2-d8e972800d1d
relation.isAuthorOfPublication.latestForDiscovery 460c2041-1d6d-4b0a-8a34-0692021d46f3
Files
Original bundle
Now showing 1 - 5 of 6
Thumbnail Image
Name:
ncomms12081.pdf
Size:
741.75 KB
Format:
Adobe Portable Document Format
Description:
Article
Thumbnail Image
Name:
ncomms12081-s1.pdf
Size:
1.41 MB
Format:
Adobe Portable Document Format
Description:
Supplementary Information
No Thumbnail Available
Name:
ncomms12081-s2.xlsx
Size:
22.91 KB
Format:
Microsoft Excel
Description:
Supplementary Data 1
No Thumbnail Available
Name:
ncomms12081-s3.xlsx
Size:
20.97 KB
Format:
Microsoft Excel
Description:
Supplementary Data 2
No Thumbnail Available
Name:
ncomms12081-s4.xlsx
Size:
15.1 KB
Format:
Microsoft Excel
Description:
Supplementary Data 3
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.89 KB
Format:
Item-specific license agreed upon to submission
Description: