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Toda K, Obolkin V, Ohira SI, Saeki K. Abundant production of dimethylsulfoniopropionate as a cryoprotectant by freshwater phytoplanktonic dinoflagellates in ice-covered Lake Baikal. Commun Biol 2023; 6:1194. [PMID: 38001159 PMCID: PMC10674015 DOI: 10.1038/s42003-023-05573-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
Phytoplanktonic dinoflagellates form colonies between vertical ice crystals during the ice-melting season in Lake Baikal, but how the plankton survive the freezing conditions is not known. Here we show that the phytoplankton produces large amounts of dimethylsulfoniopropionate (DMSP), which is best-known as a marine compound. Lake-water DMSP concentrations in the spring season are comparable with those in the oceans, and colony water in ice exhibits extremely high concentrations. DMSP concentration of surface water correlates with plankton density and reaches a maximum in mid-April, with temperature-dependent fluctuations. DMSP is released from plankton cells into water in warm days. DMSP is a characteristic osmolyte of marine algae; our results demonstrate that freshwater plankton, Gymnodinium baicalense, has DMSP-producing ability, and efficiently uses the limited sulfur resource (only 1/500 of sea sulfate) to survive in freshwater ice. Plankton in Lake Baikal do not need an osmolyte, and our results clearly indicate that DMSP plays a cryoprotective role. DMSP, although a characteristic marine compound, could also be an important zwitterion for algae of other boreal lakes, alpine snow, and glaciers.
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Affiliation(s)
- Kei Toda
- Department of Chemistry, Kumamoto University, 2-39-1, Kurokami, Kumamoto, 860-8555, Japan.
- International Research Organization of Advanced Science and Technology (IROAST), Kumamoto University, 2-39-1, Kurokami, Kumamoto, 860-8555, Japan.
| | - Vladimir Obolkin
- Laboratory of Hydrochemistry and Chemistry of the Atmosphere, Limnological Institute, Russian Academy of Sciences Siberian Branch, 3 Ulan-Batorskaya St., Irkutsk, 664033, Russia
| | - Shin-Ichi Ohira
- Department of Chemistry, Kumamoto University, 2-39-1, Kurokami, Kumamoto, 860-8555, Japan
- International Research Organization of Advanced Science and Technology (IROAST), Kumamoto University, 2-39-1, Kurokami, Kumamoto, 860-8555, Japan
| | - Kentaro Saeki
- Department of Chemistry, Kumamoto University, 2-39-1, Kurokami, Kumamoto, 860-8555, Japan
- Department of Chemistry, Biology and Marine Science, University of the Ryukyus, 1, Senbaru Nishihara, Okinawa, 903-0213, Japan
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Carrión O, Zhu XY, Williams BT, Wang J, Zhang XH, Todd JD. Molecular discoveries in microbial DMSP synthesis. Adv Microb Physiol 2023; 83:59-116. [PMID: 37507162 DOI: 10.1016/bs.ampbs.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
Dimethylsulfoniopropionate (DMSP) is one of the Earth's most abundant organosulfur compounds because many marine algae, bacteria, corals and some plants produce it to high mM intracellular concentrations. In these organisms, DMSP acts an anti-stress molecule with purported roles to protect against salinity, temperature, oxidative stress and hydrostatic pressure, amongst many other reported functions. However, DMSP is best known for being a major precursor of the climate-active gases and signalling molecules dimethylsulfide (DMS), methanethiol (MeSH) and, potentially, methane, through microbial DMSP catabolism. DMSP catabolism has been extensively studied and the microbes, pathways and enzymes involved have largely been elucidated through the application of molecular research over the last 17 years. In contrast, the molecular biology of DMSP synthesis is a much newer field, with the first DMSP synthesis enzymes only being identified in the last 5 years. In this review, we discuss how the elucidation of key DMSP synthesis enzymes has greatly expanded our knowledge of the diversity of DMSP-producing organisms, the pathways used, and what environmental factors regulate production, as well as to inform on the physiological roles of DMSP. Importantly, the identification of key DMSP synthesis enzymes in the major groups of DMSP producers has allowed scientists to study the distribution and predict the importance of different DMSP-producing organisms to global DMSP production in diverse marine and sediment environments. Finally, we highlight key challenges for future molecular research into DMSP synthesis that need addressing to better understand the cycling of this important marine organosulfur compound, and its magnitude in the environment.
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Affiliation(s)
- Ornella Carrión
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, United Kingdom.
| | - Xiao-Yu Zhu
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Beth T Williams
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Jinyan Wang
- College of Marine Life Sciences, and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, China
| | - Xiao-Hua Zhang
- College of Marine Life Sciences, and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao, China
| | - Jonathan D Todd
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, United Kingdom.
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Seong HJ, Roux S, Hwang CY, Sul WJ. Marine DNA methylation patterns are associated with microbial community composition and inform virus-host dynamics. MICROBIOME 2022; 10:157. [PMID: 36167684 PMCID: PMC9516812 DOI: 10.1186/s40168-022-01340-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 07/28/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND DNA methylation in prokaryotes is involved in many different cellular processes including cell cycle regulation and defense against viruses. To date, most prokaryotic methylation systems have been studied in culturable microorganisms, resulting in a limited understanding of DNA methylation from a microbial ecology perspective. Here, we analyze the distribution patterns of several microbial epigenetics marks in the ocean microbiome through genome-centric metagenomics across all domains of life. RESULTS We reconstructed 15,056 viral, 252 prokaryotic, 56 giant viral, and 6 eukaryotic metagenome-assembled genomes from northwest Pacific Ocean seawater samples using short- and long-read sequencing approaches. These metagenome-derived genomes mostly represented novel taxa, and recruited a majority of reads. Thanks to single-molecule real-time (SMRT) sequencing technology, base modification could also be detected for these genomes. This showed that DNA methylation can readily be detected across dominant oceanic bacterial, archaeal, and viral populations, and microbial epigenetic changes correlate with population differentiation. Furthermore, our genome-wide epigenetic analysis of Pelagibacter suggests that GANTC, a DNA methyltransferase target motif, is related to the cell cycle and is affected by environmental conditions. Yet, the presence of this motif also partitions the phylogeny of the Pelagibacter phages, possibly hinting at a competitive co-evolutionary history and multiple effects of a single methylation mark. CONCLUSIONS Overall, this study elucidates that DNA methylation patterns are associated with ecological changes and virus-host dynamics in the ocean microbiome. Video Abstract.
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Affiliation(s)
- Hoon Je Seong
- Department of Systems Biotechnology, Chung-Ang University, Anseong, Republic of Korea
| | - Simon Roux
- DOE Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, CA USA
| | - Chung Yeon Hwang
- School of Earth and Environmental Sciences and Research Institute of Oceanography, Seoul National University, Seoul, Republic of Korea
| | - Woo Jun Sul
- Department of Systems Biotechnology, Chung-Ang University, Anseong, Republic of Korea
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Zheng Y, Wang J, Zhou S, Zhang Y, Liu J, Xue CX, Williams BT, Zhao X, Zhao L, Zhu XY, Sun C, Zhang HH, Xiao T, Yang GP, Todd JD, Zhang XH. Bacteria are important dimethylsulfoniopropionate producers in marine aphotic and high-pressure environments. Nat Commun 2020; 11:4658. [PMID: 32938931 PMCID: PMC7494906 DOI: 10.1038/s41467-020-18434-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 08/21/2020] [Indexed: 11/17/2022] Open
Abstract
Dimethylsulfoniopropionate (DMSP) is an important marine osmolyte. Aphotic environments are only recently being considered as potential contributors to global DMSP production. Here, our Mariana Trench study reveals a typical seawater DMSP/dimethylsulfide (DMS) profile, with highest concentrations in the euphotic zone and decreased but consistent levels below. The genetic potential for bacterial DMSP synthesis via the dsyB gene and its transcription is greater in the deep ocean, and is highest in the sediment.s DMSP catabolic potential is present throughout the trench waters, but is less prominent below 8000 m, perhaps indicating a preference to store DMSP in the deep for stress protection. Deep ocean bacterial isolates show enhanced DMSP production under increased hydrostatic pressure. Furthermore, bacterial dsyB mutants are less tolerant of deep ocean pressures than wild-type strains. Thus, we propose a physiological function for DMSP in hydrostatic pressure protection, and that bacteria are key DMSP producers in deep seawater and sediment. Dimethylsulfoniopropionate (DMSP) is an osmolyte produced by marine microbes that plays an important role in nutrient cycling and atmospheric chemistry. Here the authors go to the Mariana Trench—the deepest point in the ocean—and find bacteria are key DMSP producers, and that DMSP has a role in protection against high pressure.
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Affiliation(s)
- Yanfen Zheng
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Jinyan Wang
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Shun Zhou
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Yunhui Zhang
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Ji Liu
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Chun-Xu Xue
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Beth T Williams
- School of Biological Sciences, University of East Anglia, Norwich, NR4 7TJ, UK
| | - Xiuxiu Zhao
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Li Zhao
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Xiao-Yu Zhu
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Chuang Sun
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Hong-Hai Zhang
- MOE Key Laboratory of Marine Chemistry Theory and Technology, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China
| | - Tian Xiao
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Gui-Peng Yang
- MOE Key Laboratory of Marine Chemistry Theory and Technology, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China
| | - Jonathan D Todd
- School of Biological Sciences, University of East Anglia, Norwich, NR4 7TJ, UK.
| | - Xiao-Hua Zhang
- College of Marine Life Sciences, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China. .,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
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Zhang XH, Liu J, Liu J, Yang G, Xue CX, Curson ARJ, Todd JD. Biogenic production of DMSP and its degradation to DMS-their roles in the global sulfur cycle. SCIENCE CHINA-LIFE SCIENCES 2019; 62:1296-1319. [PMID: 31231779 DOI: 10.1007/s11427-018-9524-y] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 03/16/2019] [Indexed: 01/08/2023]
Abstract
Dimethyl sulfide (DMS) is the most abundant form of volatile sulfur in Earth's oceans, and is mainly produced by the enzymatic clevage of dimethylsulfoniopropionate (DMSP). DMS and DMSP play important roles in driving the global sulfur cycle and may affect climate. DMSP is proposed to serve as an osmolyte, a grazing deterrent, a signaling molecule, an antioxidant, a cryoprotectant and/or as a sink for excess sulfur. It was long believed that only marine eukaryotes such as phytoplankton produce DMSP. However, we recently discovered that marine heterotrophic bacteria can also produce DMSP, making them a potentially important source of DMSP. At present, one prokaryotic and two eukaryotic DMSP synthesis enzymes have been identified. Marine heterotrophic bacteria are likely the major degraders of DMSP, using two known pathways: demethylation and cleavage. Many phytoplankton and some fungi can also cleave DMSP. So far seven different prokaryotic and one eukaryotic DMSP lyases have been identified. This review describes the global distribution pattern of DMSP and DMS, the known genes for biosynthesis and cleavage of DMSP, and the physiological and ecological functions of these important organosulfur molecules, which will improve understanding of the mechanisms of DMSP and DMS production and their roles in the environment.
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Affiliation(s)
- Xiao-Hua Zhang
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China.
- Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
| | - Ji Liu
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Jingli Liu
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Guipeng Yang
- Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266071, China
| | - Chun-Xu Xue
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Andrew R J Curson
- School of Biological Sciences, University of East Anglia, Norwich, NR4 7TJ, UK
| | - Jonathan D Todd
- School of Biological Sciences, University of East Anglia, Norwich, NR4 7TJ, UK
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Proteome Remodeling in Response to Sulfur Limitation in " Candidatus Pelagibacter ubique". mSystems 2016; 1:mSystems00068-16. [PMID: 27822545 PMCID: PMC5069961 DOI: 10.1128/msystems.00068-16] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 06/16/2016] [Indexed: 11/20/2022] Open
Abstract
The alphaproteobacterium "Candidatus Pelagibacter ubique" strain HTCC1062 and most other members of the SAR11 clade lack genes for assimilatory sulfate reduction, making them dependent on organosulfur compounds that occur naturally in seawater. To investigate how these cells adapt to sulfur limitation, batch cultures were grown in defined medium containing either limiting or nonlimiting amounts of dimethylsulfoniopropionate (DMSP) as the sole sulfur source. Protein and mRNA expression were measured before, during, and after the transition from exponential growth to stationary phase. Two distinct responses were observed, one as DMSP became exhausted and another as the cells acclimated to a sulfur-limited environment. The first response was characterized by increased transcription and translation of all "Ca. Pelagibacter ubique" genes downstream from the previously confirmed S-adenosyl methionine (SAM) riboswitches bhmT, mmuM, and metY. The proteins encoded by these genes were up to 33 times more abundant as DMSP became limiting. Their predicted function is to shunt all available sulfur to methionine. The secondary response, observed during sulfur-limited stationary phase, was a 6- to 10-fold increase in the transcription of the heme c shuttle-encoding gene ccmC and two small genes of unknown function (SAR11_1163 and SAR11_1164). This bacterium's strategy for coping with sulfur stress appears to be intracellular redistribution to support methionine biosynthesis rather than increasing organosulfur import. Many of the genes and SAM riboswitches involved in this response are located in a hypervariable genome region (HVR). One of these HVR genes, ordL, is located downstream from a conserved motif that evidence suggests is a novel riboswitch. IMPORTANCE "Ca. Pelagibacter ubique" is a key driver of marine biogeochemistry cycles and a model for understanding how minimal genomes evolved in free-living anucleate organisms. This study explores the unusual sulfur acquisition strategy that has evolved in these cells, which lack assimilatory sulfate reduction and instead rely on reduced sulfur compounds found in oxic marine environments to meet their cellular quotas. Our findings demonstrate that the sulfur acquisition systems are constitutively expressed but the enzymatic steps leading to the essential sulfur-containing amino acid methionine are regulated by a unique array of riboswitches and genes, many of which are encoded in a rapidly evolving genome region. These findings support mounting evidence that streamlined cells have evolved regulatory mechanisms that minimize transcriptional switching and, unexpectedly, localize essential sulfur acquisition genes in a genome region normally associated with adaption to environmental variation.
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Pyrosequencing revealed SAR116 clade as dominant dddP-containing bacteria in oligotrophic NW Pacific Ocean. PLoS One 2015; 10:e0116271. [PMID: 25615446 PMCID: PMC4304780 DOI: 10.1371/journal.pone.0116271] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 12/03/2014] [Indexed: 11/19/2022] Open
Abstract
Dimethyl sulfide (DMS) is a climatically active gas released into the atmosphere from oceans. It is produced mainly by bacterial enzymatic cleavage of dimethylsulfoniopropionate (DMSP), and six DMSP lyases have been identified to date. To determine the biogeographical distribution of bacteria relevant to DMS production, we investigated the diversity of dddP—the most abundant DMS-producing gene—in the northwestern Pacific Ocean using newly developed primers and the pyrosequencing method. Consistent with previous studies, the major dddP-containing bacteria in coastal areas were those belonging to the Roseobacter clade. However, genotypes closely related to the SAR116 group were found to represent a large portion of dddP-containing bacteria in the surface waters of the oligotrophic ocean. The addition of DMSP to a culture of the SAR116 strain Candidatus Puniceispirillum marinum IMCC1322 resulted in the production of DMS and upregulated expression of the dddP gene. Considering the large area of oligotrophic water and the wide distribution of the SAR116 group in oceans worldwide, we propose that these bacteria may play an important role in oceanic DMS production and biogeochemical sulfur cycles, especially via bacteria-mediated DMSP degradation.
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Mondéjar VP, Yusá MJ, Cuesta IG, de Merás AMJS, Sánchez-Marín J. Vertical excitation energies to valence states of DMS and DMSO. Theor Chem Acc 2007. [DOI: 10.1007/s00214-007-0339-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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9
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Stark H, Brown SS, Goldan PD, Aldener M, Kuster WC, Jakoubek R, Fehsenfeld FC, Meagher J, Bates TS, Ravishankara AR. Influence of nitrate radical on the oxidation of dimethyl sulfide in a polluted marine environment. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2006jd007669] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- H. Stark
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - S. S. Brown
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - P. D. Goldan
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - M. Aldener
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - W. C. Kuster
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - R. Jakoubek
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - F. C. Fehsenfeld
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - J. Meagher
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
| | - T. S. Bates
- Pacific Marine Environmental Laboratory; NOAA; Seattle Washington USA
| | - A. R. Ravishankara
- Chemical Sciences Division; Earth System Research Laboratory, NOAA; Boulder Colorado USA
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Kowalewsky S, Dambach M, Mauck B, Dehnhardt G. High olfactory sensitivity for dimethyl sulphide in harbour seals. Biol Lett 2007; 2:106-9. [PMID: 17148339 PMCID: PMC1617201 DOI: 10.1098/rsbl.2005.0380] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Productive areas are patchily distributed at sea and represent important feeding grounds for many marine organisms. Although pinnipeds are known to travel on direct routes and return regularly to particular feeding sites, the environmental information seals use to perform this navigation is as yet unknown. As atmospheric dimethyl sulphide (DMS) has been demonstrated to be a reliable indicator for profitable foraging areas, we tested seals for their ability to smell DMS at concentrations typical for the marine environment. Using a go/no-go response paradigm we determined the DMS detection threshold in two harbour seals (Phoca vitulina vitulina). DMS stimuli from 8.05 x 108 to 8 pmol (DMS)m(-3)(air) were tested against a control stimulus using a custom-made olfactometer. DMS-thresholds determined for both seals (20 and 13 pmol m(-3)) indicate that seals can detect ambient concentrations associated with high primary productivity, e.g. in the North Atlantic. Thus, seals possess an extraordinarily high olfactory sensitivity for DMS, which could provide a sensory basis for identifying or orienting to profitable foraging grounds.
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Affiliation(s)
- Sylvia Kowalewsky
- Department of General Zoology & Neurobiology, University of BochumND 6/33, 44780 Bochum, Germany
| | - Martin Dambach
- Department of Animal Physiology, University of CologneWeyertal 119, 50931 Köln, Germany
| | - Björn Mauck
- Department of General Zoology & Neurobiology, University of BochumND 6/33, 44780 Bochum, Germany
| | - Guido Dehnhardt
- Department of General Zoology & Neurobiology, University of BochumND 6/33, 44780 Bochum, Germany
- Author for correspondence ()
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12
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Andreae MO, Andreae TW, Meyerdierks D, Thiel C. Marine sulfur cycling and the atmospheric aerosol over the springtime North Atlantic. CHEMOSPHERE 2003; 52:1321-1343. [PMID: 12852983 DOI: 10.1016/s0045-6535(03)00366-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
We investigated the distribution of phytoplankton species and the associated dimethyl sulfur species, dimethylsulfoniopropionate (DMSP) and dimethylsulfide (DMS) on a cruise into the spring bloom region of the northern North Atlantic (near 47 degrees N, 19 degrees W). The cruise was timed to characterize the relationship between plankton dynamics and sulfur species production during the spring plankton bloom period. At the same time, we measured the DMS concentrations in the atmospheric boundary layer and determined the abundance and composition of the atmospheric aerosol. The water column studies showed that the interplay of wind-driven mixing and stratification due to solar heating controlled the evolution of the plankton population, and consequently the abundance of particulate and dissolved DMSP and DMS. The sea-to-air transfer of DMS was modulated by strong variations in wind speed, and was found to be consistent with currently available transfer parameterizations. The atmospheric concentration of DMS was strongly dependent on the sea surface emission, the depth of the atmospheric boundary layer and the rate of photooxidation as inferred from UV irradiance. Sea-salt and anthropogenic sulfate were the most abundant components of the atmospheric aerosol. On two days, a strong dust episode was observed bringing mineral dust aerosol from the Sahara desert to our northerly study region. The background concentrations of marine biogenic sulfate aerosol were low, near 30-60 ppt. These values were consistent with the rate of sulfate production estimated from the abundance of DMS in the marine boundary layer.
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Affiliation(s)
- M O Andreae
- Biogeochemistry Department, Max Planck Institute for Chemistry (Otto Hahn Institute), P.O. Box 3060, D-55020 Mainz, Germany.
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Kettle AJ, Andreae MO. Flux of dimethylsulfide from the oceans: A comparison of updated data sets and flux models. ACTA ACUST UNITED AC 2000. [DOI: 10.1029/2000jd900252] [Citation(s) in RCA: 445] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Simpson D, Winiwarter W, Börjesson G, Cinderby S, Ferreiro A, Guenther A, Hewitt CN, Janson R, Khalil MAK, Owen S, Pierce TE, Puxbaum H, Shearer M, Skiba U, Steinbrecher R, Tarrasón L, Öquist MG. Inventorying emissions from nature in Europe. ACTA ACUST UNITED AC 1999. [DOI: 10.1029/98jd02747] [Citation(s) in RCA: 370] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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15
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Curran MAJ, Jones GB, Burton H. Spatial distribution of dimethylsulfide and dimethylsulfoniopropionate in the Australasian sector of the Southern Ocean. ACTA ACUST UNITED AC 1998. [DOI: 10.1029/97jd03453] [Citation(s) in RCA: 93] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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16
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Chin M, Jacob DJ, Gardner GM, Foreman-Fowler MS, Spiro PA, Savoie DL. A global three-dimensional model of tropospheric sulfate. ACTA ACUST UNITED AC 1996. [DOI: 10.1029/96jd01221] [Citation(s) in RCA: 244] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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17
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Kieber DJ, Jiao J, Kiene RP, Bates TS. Impact of dimethylsulfide photochemistry on methyl sulfur cycling in the equatorial Pacific Ocean. ACTA ACUST UNITED AC 1996. [DOI: 10.1029/95jc03624] [Citation(s) in RCA: 192] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Tarrasón L, Turner S, Fløisand I. Estimation of seasonal dimethyl sulphide fluxes over the North Atlantic Ocean and their contribution to European pollution levels. ACTA ACUST UNITED AC 1995. [DOI: 10.1029/95jd00849] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Bates TS, Kiene RP, Wolfe GV, Matrai PA, Chavez FP, Buck KR, Blomquist BW, Cuhel RL. The cycling of sulfur in surface seawater of the northeast Pacific. ACTA ACUST UNITED AC 1994. [DOI: 10.1029/93jc02782] [Citation(s) in RCA: 168] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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21
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Yokouchi Y, Akimoto H, Barrie LA, Bottenheim JW, Anlauf K, Jobson BT. Serial gas chromatographic/mass spectrometric measurements of some volatile organic compounds in the Arctic atmosphere during the 1992 Polar Sunrise Experiment. ACTA ACUST UNITED AC 1994. [DOI: 10.1029/94jd00227] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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