Geotectonic setting of hydrothermal activity on the summit of Lucky Strike Seamount (37°17′N, Mid-Atlantic Ridge)
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چکیده
منابع مشابه
Delta-proteobacterial SAR324 group in hydrothermal plumes on the South Mid-Atlantic Ridge
In the dark ocean, the SAR324 group of Delta-proteobacteria has been associated with a chemolithotrophic lifestyle. However, their electron transport chain for energy generation and information system has not yet been well characterized. In the present study, four SAR324 draft genomes were extracted from metagenomes sampled from hydrothermal plumes in the South Mid-Atlantic Ridge. We describe n...
متن کاملO-Proteobacterial diversity from a deep-sea hydrothermal vent on the Mid-Atlantic Ridge
The prokaryotic phylogenetic diversity was determined for a sample associated with an in situ growth chamber deployed for 5 days on a Mid-Atlantic Ridge hydrothermal vent (23322PN, 44357PW). The DNA was extracted from the sample and the 16S rDNA amplified by PCR. No Archaea were detected in the sample. Eighty-seven clones containing bacterial 16S rDNA inserts were selected. Based on restriction...
متن کاملMineralogy, geochemistry and Nd isotope composition of the Rainbow hydrothermal field, Mid-Atlantic Ridge
Petrological, geochemical and Nd-isotopic analyses have been carried out on rock samples from the Rainbow vent field to assess the evolution of the hydrothermal system. The Rainbow vent field is an ultramafic-hosted hydrothermal system located on the Mid-Atlantic Ridge, characterized by vigorous high-temperature venting (~365ºC) and unique chemical composition of fluids: high chlorinity, low pH...
متن کاملBacterial diversity in hydrothermal sediment and epsilonproteobacterial dominance in experimental microcolonizers at the Mid-Atlantic Ridge.
We report here a molecular survey based on 16S rRNA genes of the bacterial diversity found in two deep-sea vent niches at the Mid-Atlantic Ridge: hydrothermal sediment (Rainbow site), and microcolonizers made of three different substrates (organic-rich, iron-rich and pumice) that were exposed for 15 days to a vent emission. Bacterial diversity in sediment samples was scattered through many bact...
متن کاملDominance of one bacterial phylotype at a Mid-Atlantic Ridge hydrothermal vent site.
Microbial community structure in natural environments has remained largely unexplored yet is generally considered to be complex. It is shown here that in a Mid-Atlantic Ridge hydrothermal vent habitat, where food webs depend on prokaryotic primary production, the surface microbial community consists largely of only one bacterial phylogenetic type (phylotype) as indicated by the dominance of a s...
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ژورنال
عنوان ژورنال: Geochemistry, Geophysics, Geosystems
سال: 2002
ISSN: 1525-2027
DOI: 10.1029/2001gc000284