Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters
11 pages, 2 figures, 3 tables Speciation and turnover of the methylated sulfur compounds dimethyl sulfide (DMS), dimethylsulfoniopropionate (DMSP) and dimethyl sulfoxide (DMSO) were studied in waters of the open western Mediterranean, the near-coastal North Sea and the subpolar North Atlantic, with...
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2000
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Online Access: | http://hdl.handle.net/10261/184109 https://doi.org/10.3354/meps203001 |
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ftcsic:oai:digital.csic.es:10261/184109 2024-02-11T10:06:36+01:00 Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters Simó, Rafel Pedrós-Alió, Carlos Malin, Gillian Grimalt, Joan O. 2000-09 http://hdl.handle.net/10261/184109 https://doi.org/10.3354/meps203001 unknown Inter Research Publisher's version https://doi.org/10.3354/meps203001 Sí doi:10.3354/meps203001 issn: 0171-8630 e-issn: 1616-1599 Marine Ecology Progress Series 203: 1-11 (2000) http://hdl.handle.net/10261/184109 open Dimethyl sulfoxide Phytoplankton Bacteria Inhibitor technique DMSO DMSP DMS Dimethyl sulfide Dimethylsulfoniopropionate artículo http://purl.org/coar/resource_type/c_6501 2000 ftcsic https://doi.org/10.3354/meps203001 2024-01-16T10:40:23Z 11 pages, 2 figures, 3 tables Speciation and turnover of the methylated sulfur compounds dimethyl sulfide (DMS), dimethylsulfoniopropionate (DMSP) and dimethyl sulfoxide (DMSO) were studied in waters of the open western Mediterranean, the near-coastal North Sea and the subpolar North Atlantic, with chlorophyll a concentrations spanning 2 orders of magnitude (0.12 to 13 μg 1-1>). Particulate DMSP (DMSP(p): 5 to 340 nM) was the predominant pool in most waters. Dissolved and particulate dimethyl sulfoxide were alsofound at significant concentrations (DMSO(d): 2 to 25 nM, DMSO(p): 3 to 16 nM). Biological DMSP consumption rates were estimated from the time course of total (dissolved + particulate) DMSP Concentration in dark incubations Dimethyl sulfide production and consumption rates were determined by the 'inhibitor addition' method. High DMS production and consumption rates were found during a bloom of Phaeocystis sp. in North Sea waters. In all samples, turnover time constants for total DMSP and DMS were of the same order, ranging from 0.7 to 5.4 and from 0.3 to 2.1 d, respectively. DMS formation was the fate for 9 to 96% of the DMSP consumed. Use of chloroform as an inhibitor gave estimates of DMS production and consumption rates approximately 70% higher than those obtained with dimethyl disulfide and dimethyl selenide. In some incubation experiments, the time course of DMSO concentration has been followed along with DMS and DMSP for the first time. Evidence for active biological cycling (production and consumption) of DMSO in seawater is presented Peer Reviewed Article in Journal/Newspaper North Atlantic Digital.CSIC (Spanish National Research Council) Marine Ecology Progress Series 203 1 11 |
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Digital.CSIC (Spanish National Research Council) |
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ftcsic |
language |
unknown |
topic |
Dimethyl sulfoxide Phytoplankton Bacteria Inhibitor technique DMSO DMSP DMS Dimethyl sulfide Dimethylsulfoniopropionate |
spellingShingle |
Dimethyl sulfoxide Phytoplankton Bacteria Inhibitor technique DMSO DMSP DMS Dimethyl sulfide Dimethylsulfoniopropionate Simó, Rafel Pedrós-Alió, Carlos Malin, Gillian Grimalt, Joan O. Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters |
topic_facet |
Dimethyl sulfoxide Phytoplankton Bacteria Inhibitor technique DMSO DMSP DMS Dimethyl sulfide Dimethylsulfoniopropionate |
description |
11 pages, 2 figures, 3 tables Speciation and turnover of the methylated sulfur compounds dimethyl sulfide (DMS), dimethylsulfoniopropionate (DMSP) and dimethyl sulfoxide (DMSO) were studied in waters of the open western Mediterranean, the near-coastal North Sea and the subpolar North Atlantic, with chlorophyll a concentrations spanning 2 orders of magnitude (0.12 to 13 μg 1-1>). Particulate DMSP (DMSP(p): 5 to 340 nM) was the predominant pool in most waters. Dissolved and particulate dimethyl sulfoxide were alsofound at significant concentrations (DMSO(d): 2 to 25 nM, DMSO(p): 3 to 16 nM). Biological DMSP consumption rates were estimated from the time course of total (dissolved + particulate) DMSP Concentration in dark incubations Dimethyl sulfide production and consumption rates were determined by the 'inhibitor addition' method. High DMS production and consumption rates were found during a bloom of Phaeocystis sp. in North Sea waters. In all samples, turnover time constants for total DMSP and DMS were of the same order, ranging from 0.7 to 5.4 and from 0.3 to 2.1 d, respectively. DMS formation was the fate for 9 to 96% of the DMSP consumed. Use of chloroform as an inhibitor gave estimates of DMS production and consumption rates approximately 70% higher than those obtained with dimethyl disulfide and dimethyl selenide. In some incubation experiments, the time course of DMSO concentration has been followed along with DMS and DMSP for the first time. Evidence for active biological cycling (production and consumption) of DMSO in seawater is presented Peer Reviewed |
format |
Article in Journal/Newspaper |
author |
Simó, Rafel Pedrós-Alió, Carlos Malin, Gillian Grimalt, Joan O. |
author_facet |
Simó, Rafel Pedrós-Alió, Carlos Malin, Gillian Grimalt, Joan O. |
author_sort |
Simó, Rafel |
title |
Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters |
title_short |
Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters |
title_full |
Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters |
title_fullStr |
Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters |
title_full_unstemmed |
Biological turnover of DMS, DMSP and DMSO in contrasting open-sea waters |
title_sort |
biological turnover of dms, dmsp and dmso in contrasting open-sea waters |
publisher |
Inter Research |
publishDate |
2000 |
url |
http://hdl.handle.net/10261/184109 https://doi.org/10.3354/meps203001 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
Publisher's version https://doi.org/10.3354/meps203001 Sí doi:10.3354/meps203001 issn: 0171-8630 e-issn: 1616-1599 Marine Ecology Progress Series 203: 1-11 (2000) http://hdl.handle.net/10261/184109 |
op_rights |
open |
op_doi |
https://doi.org/10.3354/meps203001 |
container_title |
Marine Ecology Progress Series |
container_volume |
203 |
container_start_page |
1 |
op_container_end_page |
11 |
_version_ |
1790604410549698560 |