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  • 1
    Online Resource
    Online Resource
    Carbon in earth (2013)
    Chantilly, Va. : Mineralogical Soc. of America
    Details Availability
    Keywords: Kohlenstoff ; Kohlenwasserstoffe
    Type of Medium: Online Resource
    Pages: Online-Ressource (pdf-Dateien: IV, 675 S.) , Ill., graph. Darst.
    ISBN: 9780939950904
    Series Statement: Reviews in mineralogy and geochemistry 75
    URL: http://rimg.geoscienceworld.org/content/75/1.toc
    RVK:
    VH 8020
    Language: English
    Note: Literaturangaben
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  • 2
    Book
    Book
    Carbon in earth (2013)
    Chantilly, Va. : Mineralogical Soc. of America
    Details Availability
    Keywords: Aufsatzsammlung ; Kohlenstoff ; Kohlenwasserstoffe
    Type of Medium: Book
    Pages: XV, 698 S. , Ill., graph. Darst., Kt
    ISBN: 9780939950904
    Series Statement: Reviews in mineralogy and geochemistry 75
    URL: https://swbplus.bsz-bw.de/bsz381321134inh.htm
    RVK:
    VH 8020
    Language: English
    Note: Literaturangaben
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  • 3
    Electronic Resource
    Electronic Resource
    VOLCANOES, FLUIDS, AND LIFE AT MID-OCEAN RIDGE SPREADING CENTERS (2002)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Earth and Planetary Sciences 30 (2002), S. 385-491 
    Details
    ISSN: 0084-6597
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Geosciences , Physics
    Notes: Abstract The recent recognition of a potentially vast, unexplored hot microbial biosphere associated with active volcanism along the global mid-ocean ridge network has fundamentally shifted concepts of how planets and life coevolve. Many processes intrinsic to the dynamics of the spreading center volcanic system provide partial or complete nutritional fluxes that support diverse microbial communities that thrive under extreme conditions on and beneath the seafloor. Mantle melting, volcanism, and fluid-rock reactions transport volatiles from the asthenosphere to the hydrosphere. Volcanic heat and exothermic reactions drive circulation of nutrient-rich fluids from which chemosynthetic organisms gain metabolic energy. In turn, many of these organisms symbiotically support macrofaunal communities that populate the vents. Long-term seafloor observatories will allow exploration of linkages between volcanism and this newly discovered biosphere. Such approaches may provide essential new information about our own planet while providing critically needed insights into how we can explore other planets for life.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.earth.30.091201.141331
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Growth of ‘black smoker’ bacteria at temperatures of at least 250 °C (1983)
    [s.l.] : Nature Publishing Group
    Nature 303 (1983), S. 423-426 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The upper temperature limit of environments known to support life has rarely been reported as exceeding 100 C, although there have been reports of bacteria existing in hot waters at temperatures a few degrees above 100C37, or cultured at 105 C7. Only prokaryotic organisms are found in environments ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/303423a0
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  • 5
    Electronic Resource
    Electronic Resource
    Enhanced thermotolerance by hydrostatic pressure in the deep-sea hyperthermophile Pyrococcus strain ES4 (1995)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 18 (1995), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract: The combined effect of hydrostatic pressure and heat shock on thermotolerance was examined in the deep-sea hyperthermophilic archaeon Pyrococcus strain ES4. Pressure equivalent to the depth of isolation (22 MPa) enhanced ES4's survival at super-optimal temperatures (101–108°C) relative to low pressure (3 MPa). Pressure also raised the temperature at which a putative heat-shock protein (98 kDa) accumulated. ES4 grown at 95°C and 3 MPa displayed immediate enhanced thermotolerance to 105°C after being shifted to 22 MPa. Cultures grown at 95°C and 22 MPa and then heat shocked at 105°C and 3 MPa retained enhanced thermotolerance after decompression. These results suggest that this deep-sea hyperthermophile has developed pressure-induced responses that include increased survival to hyperthermal conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.1995.tb00161.x
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  • 6
    Electronic Resource
    Electronic Resource
    A barophilic response by two hyperthermophilic, hydrothermal vent Archaea: An upward shift in the optimal temperature and acceleration of growth rate at supra-optimal temperatures by elevated pressure (1994)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 14 (1994), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The influence of elevated hydrostatic pressure on the growth rates of two hyperthermophilic Archaea isolated from hydrothermal vent environments (strains ES1 and ES4) was investigated over their entire temperature range for growth. Thermococcus celer, a shallow marine hyperthermophile was included in the study for comparative purposes. For one strain (ES4), the pressure at the site of collection (22 MPa) caused an upward shift in the optimal growth temperature of about 6°C compared to growth at 1 MPa. Although the optimal temperature for ES1 was unaffected by 22 MPa, elevated pressure stimulated the growth rate at supra-optimal temperatures. The temperature range for growth for both organisms was extended upward 2°C at 22 MPa pressure. For both strains 22 MPa had little effect on growth rates at sub-optimal temperatures. Growth was observed at pressures as high as 89 MPa for ES1 and 67 MPa for ES4, but with these higher pressures the temperature range for growth was narrowed, and the optimal temperature was shifted downward. Growth of Thermococcus celer was slightly stimulated by 22 MPa at its reported optimal temperature of 88°C, but was inhibited by higher pressure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.1994.tb00109.x
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  • 7
    Electronic Resource
    Electronic Resource
    In situ microbial ecology of hydrothermal vent sediments (1992)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 10 (1992), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.1992.tb01642.x
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  • 8
    Electronic Resource
    Electronic Resource
    Diversity among three novel groups of hyperthermophilic deep-sea Thermococcus species from three sites in the northeastern Pacific Ocean (2001)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 36 (2001), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Eight new strains of deep-sea hyperthermophilic sulfur reducers were isolated from hydrothermal vent fields at 9°50′N East Pacific Rise (EPR) and at the Cleft and CoAxial segments along the Juan de Fuca Ridge (JdFR). 16S rRNA gene sequence analysis showed that each strain belongs to the genus Thermococcus. Restriction fragment length polymorphism patterns of the 16S/23S rRNA intergenic spacer region revealed that these isolates fell into three groups: those from the EPR, those from fluid and rock sources on the JdFR, and those isolated from Paralvinella spp. polychaete vent worms from the JdFR. The optimum-temperature specific growth rates and the temperature ranges for growth were significantly higher and broader for those strains isolated from worms relative to those isolated from low-temperature diffuse hydrothermal fluids. Furthermore, the worm-derived isolates generally produced a larger array of proteases and amylases based on zymogram analyses. The zymogram patterns also changed with growth temperature suggesting that these organisms alter their lytic protein suites in response to changes in temperature. This study suggests that there is significant phenotypic diversity in Thermococcus that is not apparent from their highly conserved 16S rRNA nucleotide sequences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.2001.tb00825.x
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  • 9
    Electronic Resource
    Electronic Resource
    Bacterial diversity in a subseafloor habitat following a deep-sea volcanic eruption (2003)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 43 (2003), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The bacterial diversity in a diffuse flow hydrothermal vent habitat at Axial Volcano, Juan de Fuca Ridge was examined shortly after an eruptive event in 1998 and again in 1999 and 2000 using PCR-amplified 16S rRNA gene sequence analyses. While considerable overlap with deep-sea background seawater was found within the α- and γ-proteobacteria, unique subseafloor phylotypes were distinguishable. These included diverse members of the ε-proteobacteria, high temperature groups such as Desulfurobacterium, Gram-positive bacteria, and members of novel candidate divisions WS6 and ABY1. Phylotype richness was highest in the particle-attached populations from all three sampling periods, and diversity appeared to increase over that time, particularly among the ε-proteobacteria. A preliminary model of the subseafloor is presented that relates microbial diversity to temperature, chemical characteristics of diffuse flow fluids and the degree of mixing with seawater.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.2003.tb01080.x
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  • 10
    Electronic Resource
    Electronic Resource
    Archaeaplankton in the Columbia River, its estuary and the adjacent coastal ocean, USA (2000)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 31 (2000), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: PCR-amplified 16S rRNA genes from particle-attached and free-living Archaea in the Columbia River estuary, particle-attached Archaea in the river, and Archaea in the adjacent coastal ocean were cloned, and 43 partial sequences were determined. There was a high diversity of Archaea in the estuary, especially among the particle-attached Archaea, with representatives from four major phylogenetic clusters. Eighteen of 21 estuarine clones were closely related to clones from the river and the coastal ocean or to clusters of marine and soil clones identified in other studies. This contrasts with a similar study of the estuarine bacterial community that found 62% of bacterial 16S rRNA clones to be unique to the estuary. Archaea in the estuary were primarily allochthonous, and therefore, unlike the bacteria, probably do not form a native estuarine community.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.2000.tb00688.x
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