Uncovering chemical signatures of salinity gradients through compositional analysis of protein sequences

Dick, Jeffrey M.; Yu, Miao; Tan, Jingqiang

doi:https://doi.org/10.5194/bg-17-6145-2020

Articles | Volume 17, issue 23

https://doi.org/10.5194/bg-17-6145-2020

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

https://doi.org/10.5194/bg-17-6145-2020

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

Articles | Volume 17, issue 23

Research article

|

08 Dec 2020

Research article |

| 08 Dec 2020

Uncovering chemical signatures of salinity gradients through compositional analysis of protein sequences

Jeffrey M. Dick, Miao Yu, and Jingqiang Tan

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Final revised paper (published on 08 Dec 2020)
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Preprint (discussion started on 15 May 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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- Supplement

RC1: 'Review of "Uncovering chemical signatures of salinity gradients through compositional analysis of protein sequences"', Anonymous Referee #1, 16 Jun 2020
- AC1: 'Response to Anonymous Referee #1', Jeffrey Dick, 15 Oct 2020
RC2: 'Reviewer Comment', Anonymous Referee #2, 05 Oct 2020
- AC2: 'Response to Anonymous Referee #2', Jeffrey Dick, 15 Oct 2020

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (15 Oct 2020) by Jack Middelburg

AR by Jeffrey Dick on behalf of the Authors (21 Oct 2020) Author's response Manuscript

ED: Publish subject to technical corrections (23 Oct 2020) by Jack Middelburg

AR by Jeffrey Dick on behalf of the Authors (26 Oct 2020) Author's response Manuscript

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Short summary

Many natural environments differ in their range of salt concentration (salinity). We developed a metric for the number of water molecules in formation reactions of different proteins and found that it decreases between freshwater and marine systems and also in laboratory experiments with increasing salinity. These results demonstrate a new type of link between geochemical conditions and the chemical composition of microbial communities that can be useful for models of microbial adaptation.