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  • 1
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    Physical oceanography and chlorophyll a of CTD cast GeoB15105-5 (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-07
    Keywords: Center for Marine Environmental Sciences; Chlorophyll a; CTD/Rosette; CTD-RO; DARCLIFE; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; DEPTH, water; GeoB15105-5; M84/1; M84/1_130-1; MARUM; Meteor (1986); Oxygen; Pressure, water; Pressure sensor, Digiquartz; Salinity; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 6264 data points
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  • 2
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    Absolute concentrations of BDGTs and PDGTs in sediments from expeditions M84/1 and POS450 (2019)
    PANGAEA
    In:  Supplement to: Coffinet, Sarah; Meador, Travis B; Mühlena, Lukas; Becker, Kevin W; Schröder, Jan Martin; Zhu, Qing-Zeng; Lipp, Julius S; Heuer, Verena B; Crump, Matthew P; Hinrichs, Kai-Uwe (2019): Structural elucidation and environmental distributions of butanetriol and pentanetriol dialkyl glycerol tetraethers (BDGTs and PDGTs). Biogeosciences, 17, 317-330, https://doi.org/10.5194/bg-17-317-2020
    Details
    Publication Date: 2024-02-02
    Description: Butanetriol and pentanetriol dialkyl glycerol tetraethers (BDGTs and PDGTs) are membrane lipids recently discovered in sedimentary environments and in the methanogenic archaeon Methanomassiliicoccus luminyensis. They possess an unusual structure, which challenges fundamental assumptions in lipid biochemistry. Indeed, they bear a butanetriol or a pentanetriol backbone instead of a glycerol at one end of their core structure. In this study, we unambiguously located the additional methyl group of the BDGT compound on the C3 carbon of the lipid backbone via high-field two-dimensional NMR experiments. We further systematically explored the abundance, distribution and isotopic composition of BDGTs and PDGTs as both intact polar and core lipid forms in marine sediments collected in contrasting environments of the Mediterranean Sea and Black Sea. In addition, relatively 13C-depleted BDGTs from the Rhone delta and from the Black Sea are in agreement with a probable methanogenic source for these lipids. In line with this interpretation, high proportions of intact polar BDGTs and PDGTs were detected in the deeper methane-laden sedimentary layers. However, relatively 13C enriched BDGTs and contrasting headgroup distribution patterns of BDGTs and PDGTs in sediments of the Eastern Mediterranean Sea imply that additional archaeal groups also produce these unique lipids.
    Keywords: Acyclic butanetriol dialkyl glycerol tetraethers in core lipids, per unit mass organic carbon; Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dicyclic butanetriol dialkyl glycerol tetraethers in core lipids, per unit mass organic carbon; Diglycosidic butanetriol dialkyl glycerol tetraethers, per unit mass organic carbon; Diglycosidic pentanetriol dialkyl glycerol tetraethers, per unit mass organic carbon; Event label; GC; GeoB15103-1; GeoB15103-2; GeoB15103-3; GeoB15104-1; GeoB15104-2; GeoB15105-2; GeoB15105-4; GeoB17302-5; GeoB17304-3; GeoB17306-1; GeoB17306-2; GeoB17307-5; GeoB17307-8; GeoB17308-1; GeoB17308-4; Gravity corer; Identification; M84/1; M84/1_119-1; M84/1_120-1; M84/1_121-1; M84/1_122-1; M84/1_123-1; M84/1_127-1; M84/1_129-1; MARUM; Meteor (1986); Monocyclic butanetriol dialkyl glycerol tetraethers in core lipids, per unit mass organic carbon; Monoglycosidic butanetriol dialkyl glycerol tetraethers, per unit mass organic carbon; Monoglycosidic pentanetriol dialkyl glycerol tetraethers, per unit mass organic carbon; MUC; MultiCorer; Pentanetriol dialkyl glycerol tetraethers in core lipids, per unit mass organic carbon; POS450; POS450_576-5; POS450_580-3; POS450_582-1; POS450_583-5; POS450_584-1; POS450_585-3; POS450_586-1; POS450_587-1; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 455 data points
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  • 3
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    Geochemistry at CTD cast GeoB15105-5 (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-07
    Keywords: Ammonium; Center for Marine Environmental Sciences; CTD/Rosette; CTD-RO; DEPTH, water; GeoB15105-5; Hydrogen sulfide; M84/1; M84/1_130-1; MARUM; Meteor (1986); Phosphate; Sulfate
    Type: Dataset
    Format: text/tab-separated-values, 104 data points
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  • 4
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    Geochemical and quinone biomarker concentrations in the Black Sea water column and sediments (2018)
    PANGAEA
    In:  Supplement to: Becker, Kevin W; Elling, Felix J; Schröder, Jan Martin; Lipp, Julius S; Goldhammer, Tobias; Zabel, Matthias; Elvert, Marcus; Overmann, Jörg; Hinrichs, Kai-Uwe (2018): Isoprenoid quinones resolve the stratification of redox processes in a biogeochemical continuum from the photic zone to deep anoxic sediments of the Black Sea. Applied and Environmental Microbiology, 84(10), https://doi.org/10.1128/AEM.02736-17
    Details
    Publication Date: 2024-03-07
    Description: The stratified water column of the Black Sea serves as a model ecosystem for studying the interactions of microorganisms with major biogeochemical cycles. Here, we provide detailed analysis of isoprenoid quinones to study microbial redox processes in the ocean. In a continuum from the photic zone through the chemocline into deep anoxic sediments of the southern Black Sea, diagnostic quinones and inorganic geochemical parameters indicate niche segregation between redox processes and corresponding shifts in microbial community composition. Quinones specific for oxygenic photosynthesis and aerobic respiration dominate oxic waters, while quinones associated with thaumarchaeal ammonia oxidation and bacterial methanotrophy, respectively, dominate a narrow interval in suboxic waters. Quinone distributions indicate highest metabolic diversity within the anoxic zone, with anoxygenic photosynthesis being a major process in its photic layer. In the dark anoxic layer, quinone profiles indicate the occurrence of bacterial sulfur and nitrogen cycling, archaeal methanogenesis, and archaeal methanotrophy. Multiple novel ubiquinone isomers, possibly originating from unidentified intra-aerobic anaerobes, occur in this zone. The respiration modes found in the anoxic zone continue into shallow subsurface sediments, but quinone abundances rapidly decrease within the upper 50 cm below the sea floor, reflecting the transition to lower energy availability. In the deep subseafloor sediments, quinone distributions and geochemical profiles indicate archaeal methanogenesis/methanotrophy and potentially bacterial fermentative metabolisms. We observed that sedimentary quinone distributions track lithology, which supports prior hypotheses that deep biosphere community composition and metabolisms are determined by environmental conditions during sediment deposition.
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; MARUM
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 5
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    Methane geochemistry of sediment cores GeoB15105-2 and GeoB15105-4 (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-07
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GC; GeoB15105-2; GeoB15105-4; Gravity corer; Latitude of event; Longitude of event; M84/1; M84/1_127-1; M84/1_129-1; MARUM; Meteor (1986); Methane; MUC; MultiCorer; δ13C, methane
    Type: Dataset
    Format: text/tab-separated-values, 80 data points
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  • 6
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    Quinone water column concentrations of in situ pump station GeoB15105-6,GeoB15105-7,GeoB15105-8, andGeoB15105-9 (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-07
    Keywords: 18-Methyleneubiquinone-8:7; all-trans-Methanophenazine-5:4; all-trans-Ubiquinone-10:10; all-trans-Ubiquinone-11:11; all-trans-Ubiquinone-7:7; all-trans-Ubiquinone-8:8; all-trans-Ubiquinone-9:9; Center for Marine Environmental Sciences; Chlorobiumquinone-7:7; Cholesterol; DARCLIFE; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; DEPTH, water; Elevation of event; Event label; GeoB15105-6; GeoB15105-7; GeoB15105-8; GeoB15105-9; In situ pump; Isorenieratene; ISP; Latitude of event; Longitude of event; M84/1; M84/1_131-1; M84/1_132-1; M84/1_133-1; M84/1_134-1; MARUM; Menaquinone-10:10; Menaquinone-10:8; Menaquinone-10:9; Menaquinone-11:11; Menaquinone-6:0; Menaquinone-6:1; Menaquinone-6:4; Menaquinone-6:5; Menaquinone-6:6; Menaquinone-7:5; Menaquinone-7:6; Menaquinone-7:7; Menaquinone-8:6; Menaquinone-8:7; Menaquinone-8:8; Menaquinone-9:7; Menaquinone-9:8; Menaquinone-9:9; Meteor (1986); Methanophenazine-5:3; Optional event label; Phylloquinone; Plastoquinone-9; Sum (15E,22E)-heptatriaconta-15,22-dien-2-one + (8E,15E,22E)-heptatriaconta-8,15,22-trien-2-one; Ubiquinone-10:10; Ubiquinone-11:11; Ubiquinone-7:7; Ubiquinone-8:8; Ubiquinone-9:9
    Type: Dataset
    Format: text/tab-separated-values, 432 data points
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  • 7
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    Total organic carbon of sediment core GeoB15105-2 (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-07
    Keywords: Carbon, organic, total; Center for Marine Environmental Sciences; DARCLIFE; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GC; GeoB15105-2; Gravity corer; M84/1; M84/1_127-1; MARUM; Meteor (1986)
    Type: Dataset
    Format: text/tab-separated-values, 93 data points
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  • 8
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    Quinone concentrations of sediment core GeoB15105-2 and GeoB15105-4 (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-07
    Keywords: 18-Methyleneubiquinone-8:7, per unit sediment dry mass; all-trans-Methanophenazine-5:4, per unit sediment dry mass; all-trans-Ubiquinone-10:10, per unit sediment dry mass; all-trans-Ubiquinone-11:11, per unit sediment dry mass; all-trans-Ubiquinone-7:7, per unit sediment dry mass; all-trans-Ubiquinone-8:8, per unit sediment dry mass; all-trans-Ubiquinone-9:9, per unit sediment dry mass; Center for Marine Environmental Sciences; Chlorobiumquinone-7:7, per unit sediment dry mass; Cholesterol, per unit sediment dry mass; DARCLIFE; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GC; GeoB15105-2; GeoB15105-4; Gravity corer; Isorenieratene, per unit sediment dry mass; Latitude of event; Longitude of event; M84/1; M84/1_127-1; M84/1_129-1; MARUM; Menaquinone-10:10, per unit sediment dry mass; Menaquinone-10:8, per unit sediment dry mass; Menaquinone-10:9, per unit sediment dry mass; Menaquinone-11:11, per unit sediment dry mass; Menaquinone-6:0, per unit sediment dry mass; Menaquinone-6:1, per unit sediment dry mass; Menaquinone-6:4, per unit sediment dry mass; Menaquinone-6:5, per unit sediment dry mass; Menaquinone-6:6, per unit sediment dry mass; Menaquinone-7:5, per unit sediment dry mass; Menaquinone-7:6, per unit sediment dry mass; Menaquinone-7:7, per unit sediment dry mass; Menaquinone-8:6, per unit sediment dry mass; Menaquinone-8:7, per unit sediment dry mass; Menaquinone-8:8, per unit sediment dry mass; Menaquinone-9:7, per unit sediment dry mass; Menaquinone-9:8, per unit sediment dry mass; Menaquinone-9:9, per unit sediment dry mass; Meteor (1986); Methanophenazine-5:3, per unit sediment dry mass; MUC; MultiCorer; Optional event label; Phylloquinone, per unit sediment dry mass; Plastoquinone-9, per unit sediment dry mass; Sum (15E,22E)-heptatriaconta-15,22-dien-2-one + (8E,15E,22E)-heptatriaconta-8,15,22-trien-2-one, per unit sediment dry mass; Ubiquinone-10:10, per unit sediment dry mass; Ubiquinone-11:11, per unit sediment dry mass; Ubiquinone-7:7, per unit sediment dry mass; Ubiquinone-8:8, per unit sediment dry mass; Ubiquinone-9:9, per unit sediment dry mass
    Type: Dataset
    Format: text/tab-separated-values, 1360 data points
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  • 9
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    Geochemistry of sediment core GeoB15105-4 (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-07
    Keywords: Ammonium; Center for Marine Environmental Sciences; DARCLIFE; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; DEPTH, sediment/rock; GeoB15105-4; Hydrogen sulfide; M84/1; M84/1_129-1; MARUM; Meteor (1986); MUC; MultiCorer; Phosphate; Sulfate
    Type: Dataset
    Format: text/tab-separated-values, 204 data points
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