Articles | Volume 19, issue 16
Biogeosciences, 19, 3897–3909, 2022
https://doi.org/10.5194/bg-19-3897-2022
Biogeosciences, 19, 3897–3909, 2022
https://doi.org/10.5194/bg-19-3897-2022
Research article
30 Aug 2022
Research article | 30 Aug 2022

Deposit-feeding of Nonionellina labradorica (foraminifera) from an Arctic methane seep site and possible association with a methanotroph

Christiane Schmidt et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-284', Jutta Wollenburg, 22 Nov 2021
    • AC1: 'Reply on RC1', Christiane Schmidt, 04 Mar 2022
  • RC2: 'Comment on bg-2021-284', Anonymous Referee #2, 03 Dec 2021
    • AC2: 'Reply on RC2', Christiane Schmidt, 04 Mar 2022
  • RC3: 'Comment on bg-2021-284', Anonymous Referee #3, 07 Dec 2021
    • AC3: 'Reply on RC3', Christiane Schmidt, 04 Mar 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (12 Mar 2022) by Aninda Mazumdar
AR by Christiane Schmidt on behalf of the Authors (19 Apr 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (23 Apr 2022) by Aninda Mazumdar
RR by Anonymous Referee #2 (10 May 2022)
ED: Publish subject to minor revisions (review by editor) (26 May 2022) by Aninda Mazumdar
AR by Christiane Schmidt on behalf of the Authors (23 Jun 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (22 Jul 2022) by Aninda Mazumdar
AR by Christiane Schmidt on behalf of the Authors (01 Aug 2022)  Author's response    Manuscript
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Short summary
This study is the first to show non-selective deposit feeding in the foraminifera Nonionella labradorica and the possible uptake of methanotrophic bacteria. We carried out a feeding experiment with a marine methanotroph to examine the ultrastructure of the cell and degradation vacuoles using transmission electron microscopy (TEM). The results revealed three putative methanotrophs at the outside of the cell/test, which could be taken up via non-targeted grazing in seeps or our experiment.
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