ArticleEnvironmental microbiology2009
Subsurface microbiology and biogeochemistry of a deep, cold-water carbonate mound from the Porcupine Seabight (IODP Expedition 307).
Article in Environmental microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Methanogen activity and microbial diversity in Gulf of Cádiz mud volcano sediments.Frontiers in microbiology · 2023Article
- Bioturbation as a key driver behind the dominance of Bacteria over Archaea in near-surface sediment.Scientific reports · 2017Article
- Complex coupled metabolic and prokaryotic community responses to increasing temperatures in anaerobic marine sediments: critical temperatures and substrate changes.FEMS microbiology ecology · 2015Article
- Archaeal community diversity and abundance changes along a natural salinity gradient in estuarine sediments.FEMS microbiology ecology · 2015Article
- Glycine betaine as a direct substrate for methanogens (Methanococcoides spp.).Applied and environmental microbiology · 2014Article
- Meta-analysis of quantification methods shows that archaea and bacteria have similar abundances in the subseafloor.Applied and environmental microbiology · 2013Article
- Choline and N,N-dimethylethanolamine as direct substrates for methanogens.Applied and environmental microbiology · 2012Article
- Quantification of Microbial Communities in Subsurface Marine Sediments of the Black Sea and off Namibia.Frontiers in microbiology · 2012Article
- Cultivation of methanogenic community from subseafloor sediments using a continuous-flow bioreactor.The ISME journal · 2011Article
- Carbon and nitrogen assimilation in deep subseafloor microbial cells.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Microbial ecology of the dark ocean above, at, and below the seafloor.Microbiology and molecular biology reviews : MMBR · 2011Review
- Comparative study of subseafloor microbial community structures in deeply buried coral fossils and sediment matrices from the challenger mound in the porcupine seabight.Frontiers in microbiology · 2011Article
- The deep biosphere in terrestrial sediments in the chesapeake bay area, virginia, USA.Frontiers in microbiology · 2011Article
- Real-Time PCR Quantification and Diversity Analysis of the Functional Genes aprA and dsrA of Sulfate-Reducing Prokaryotes in Marine Sediments of the Peru Continental Margin and the Black Sea.Frontiers in microbiology · 2011Article
- Culturable prokaryotic diversity of deep, gas hydrate sediments: first use of a continuous high-pressure, anaerobic, enrichment and isolation system for subseafloor sediments (DeepIsoBUG).Environmental microbiology · 2009Article
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Porcupine Seabight Challenger Mound is the first carbonate mound to be drilled (approximately 270 m) and analyzed in detail microbiologically and biogeochemically. Two mound sites and a non-mound Reference site were analyzed with a range of molecular techniques [catalyzed reporter deposition-fluorescence in situ hybridization (CARD-FISH), quantitative PCR (16S rRNA and functional genes, dsrA and mcrA), and 16S rRNA gene PCR-DGGE] to assess prokaryotic diversity, and this was compared with the distribution of total and culturable cell counts, radiotracer activity measurements and geochemistry. There was a significant and active prokaryotic community both within and beneath the carbonate mound. Although total cell numbers at certain depths were lower than the global average for other subseafloor sediments and prokaryotic activities were relatively low (iron and sulfate reduction, acetate oxidation, methanogenesis) they were significantly enhanced compared with the Reference site. In addition, there was some stimulation of prokaryotic activity in the deepest sediments (Miocene, > 10 Ma) including potential for anaerobic oxidation of methane activity below the mound base. Both Bacteria and Archaea were present, with neither dominant, and these were related to sequences commonly found in other subseafloor sediments. With an estimate of some 1600 mounds in the Porcupine Basin alone, carbonate mounds may represent a significant prokaryotic subseafloor habitat.
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