Co-occurrence of Fe and P stress in natural populations of the marine diazotroph <i>Trichodesmium</i>

Held, Noelle A.; Webb, Eric A.; McIlvin, Matthew M.; Hutchins, David A.; Cohen, Natalie R.; Moran, Dawn M.; Kunde, Korinna; Lohan, Maeve C.; Mahaffey, Claire; Woodward, E. Malcolm S.; Saito, Mak A.

doi:https://doi.org/10.5194/bg-17-2537-2020

Articles | Volume 17, issue 9

https://doi.org/10.5194/bg-17-2537-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-17-2537-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 9

Research article

|

12 May 2020

Research article |

| 12 May 2020

Co-occurrence of Fe and P stress in natural populations of the marine diazotroph Trichodesmium

Noelle A. Held, Eric A. Webb, Matthew M. McIlvin, David A. Hutchins, Natalie R. Cohen, Dawn M. Moran, Korinna Kunde, Maeve C. Lohan, Claire Mahaffey, E. Malcolm S. Woodward, and Mak A. Saito

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Final revised paper (published on 12 May 2020)
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Preprint (discussion started on 16 Jan 2020)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review bg-2019-493', Anonymous Referee #1, 18 Jan 2020
- AC1: 'Response to reviewer #1', Mak Saito, 06 Mar 2020
RC2: 'Referee Comment', Anonymous Referee #2, 14 Feb 2020
- AC2: 'Response to reviewer #2', Mak Saito, 06 Mar 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Reconsider after major revisions (16 Mar 2020) by Koji Suzuki

AR by Mak Saito on behalf of the Authors (16 Mar 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (19 Mar 2020) by Koji Suzuki

RR by Anonymous Referee #1 (19 Mar 2020)

ED: Publish subject to technical corrections (30 Mar 2020) by Koji Suzuki

AR by Mak Saito on behalf of the Authors (02 Apr 2020) Author's response Manuscript

Post-review adjustments

AA: Author's adjustment | EA: Editor approval

AA by Mak Saito on behalf of the Authors (08 May 2020) Author's adjustment Manuscript

EA: Adjustments approved (08 May 2020) by Koji Suzuki

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Short summary

Trichodesmium is a globally important marine nitrogen fixer that stimulates primary production in the surface ocean. We surveyed metaproteomes of Trichodesmium populations across the North Atlantic and other oceans, and we found that they experience simultaneous phosphate and iron stress because of the biophysical limits of nutrient uptake. Importantly, nitrogenase was most abundant during co-stress, indicating the potential importance of this phenotype to global nitrogen and carbon cycling.