A Serpentinite-Hosted Ecosystem: The Lost City Hydrothermal Field

Kelley, Deborah S.; Karson, Jeffrey A.; Früh-Green, Gretchen L.; Yoerger, D.; Shank, Timothy M.; Butterfield, D. A.; Hayes, John M.; Schrenk, M. O.; Olson, E. J.; Proskurowski, G.; Jakuba, M.; Bradley, A. M.; Larson, B. I.; Ludwig, K. R.; Glickson, D.; Buckman, Kate L.; Bradley, Alexander S.; Brazelton, William J.; Roe, Kevin K.; Elend, Mitch J.; Delacour, Adélie; Bernasconi, Stefano M.; Lilley, Marvin D.; Baross, John A.; Summons, Roger E.; Sylva, Sean P.

doi:10.1126/science.1102556

Cited by 1,059 publications

(1,263 citation statements)

References 29 publications

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“…This suggests that methane emitting from these sites may be an abiotic product of the reaction between carbon dioxide and dihydrogen, which are expected to occur during serpentinization (Berndt et al 1996). Serpentinization of the seafloor may be the cause of hydrothermal activity at sites such as the Rainbow and Lost City hydrothermal fields (Kelley et al 2005). A detailed geochemical study has recently been conducted on the Shinkai Seep Field (Ohara et al 2012).…”

Section: Additional Methane Seep Fieldsmentioning

confidence: 99%

A Compilation of the Stable Isotopic Compositions of Carbon, Nitrogen, and Sulfur in Soft Body Parts of Animals Collected from Deep-Sea Hydrothermal Vent and Methane Seep Fields: Variations in Energy Source and Importance of Subsurface Microbial Processes in the Sediment-Hosted Systems

Yamanaka

Shimamura

Nagashio

et al. 2014

Subseafloor Biosphere Linked to Hydrothermal Systems

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The stable isotopic signatures of biophilic elements, such as carbon, nitrogen, and sulfur, exhibited in animal soft body parts are excellent indicators for evaluating the pathways of energy and food sources. Thioautotrophic and methanotrophic nutrition prevailed in deep-sea hydrothermal vent and methane seep areas results in sulfide-sulfur and methanecarbon isotopic ratios. In this study, we reevaluated the carbon, nitrogen, and sulfur isotope compositions of animals taken from deep-sea hydrothermal vents and methane seep areas in order to understand the detailed pathways of energy and food sources for the habitants. The results showed that most animals collected from sediment-starved hydrothermal areas rely on thioautotrophic nutrition, using hydrogen sulfide dissolved in venting fluids as the sole primary energy source. On the other hand, animals from sediment-covered hydrothermal vent and cold seep fields show some variations in energy sources, of both hydrothermal and microbial origins. Sediment-covered areas tend to be enriched in biomass and diversity relative to sediment-starved areas. The results suggest that fluid discharged through sediments to the seafloor are strongly affected by subsurface microbial processes and result in increased biomass and diversity of the seafloor animal community.

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Section: Additional Methane Seep Fieldsmentioning

confidence: 99%

A Compilation of the Stable Isotopic Compositions of Carbon, Nitrogen, and Sulfur in Soft Body Parts of Animals Collected from Deep-Sea Hydrothermal Vent and Methane Seep Fields: Variations in Energy Source and Importance of Subsurface Microbial Processes in the Sediment-Hosted Systems

Yamanaka

Shimamura

Nagashio

et al. 2014

Subseafloor Biosphere Linked to Hydrothermal Systems

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“…The serpentinite-hosted Lost City Hydrothermal Field (Kelley et al 2005) is a place that has all these conditions. At high temperatures, lipid compounds can be produced by aqueous Fischer-Tropsch-type synthesis (Rushdi & Simoneit 2001).…”

Section: Luca the Origin Of Life And Emvsmentioning

confidence: 99%

Origin of life: LUCA and extracellular membrane vesicles (EMVs)

Gill

Forterre

2015

International Journal of Astrobiology

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Cells from the three domains of life produce extracellular membrane vesicles (EMVs), suggesting that EMV production is an important aspect of cellular physiology. EMVs have been implicated in many aspects of cellular life in all domains, including stress response, toxicity against competing strains, pathogenicity, detoxification and resistance against viral attack. These EMVs represent an important mode of inter-cellular communication by serving as vehicles for transfer of DNA, RNA, proteins and lipids between cells. Here, we review recent progress in the understanding of EMV biology and their various roles. We focus on the role of membrane vesicles in early cellular evolution and how they would have helped shape the nature of the last universal common ancestor. A membrane-protected microenvironment would have been a key to the survival of spontaneous molecular systems and efficient metabolic reactions. Interestingly, the morphology of EMVs is strongly reminiscent of the morphology of some virions. It is thus tempting to make a link between the origin of the first protocell via the formation of vesicles and the origin of viruses.

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“…Near the top of the faulted escarpment of the southern ridge, the Lost City Hydrothermal Field (LCHF) lies on a down-dropped terrace at ~750-800 m water depth and represents a hydrothermal vent system associated with active serpentinization (Denny et al, 2015, Früh-Green et al, 2003, Kelley et al, 2001, Kelley et al, 2005.…”

Section: Introductionmentioning

confidence: 99%

Elastic and electrical properties and permeability of serpentinites from Atlantis Massif, Mid-Atlantic Ridge

Falcón-Suarez¹,

Bayrakci²,

Minshull³

et al. 2017

Geophysical Journal International

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Serpentinized peridotites co-exist with mafic rocks in a variety of marine environments including subduction zones, continental rifts and mid-ocean ridges.Remote geophysical methods are crucial to distinguish between them and improve the understanding of the tectonic, magmatic and metamorphic history of the oceanic crust. But, serpentinite peridotites exhibit a wide range of physical properties that complicate such a distinction. We analyzed the ultrasonic P-and S-wave velocities

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A Serpentinite-Hosted Ecosystem: The Lost City Hydrothermal Field

Cited by 1,059 publications

References 29 publications

A Compilation of the Stable Isotopic Compositions of Carbon, Nitrogen, and Sulfur in Soft Body Parts of Animals Collected from Deep-Sea Hydrothermal Vent and Methane Seep Fields: Variations in Energy Source and Importance of Subsurface Microbial Processes in the Sediment-Hosted Systems

A Compilation of the Stable Isotopic Compositions of Carbon, Nitrogen, and Sulfur in Soft Body Parts of Animals Collected from Deep-Sea Hydrothermal Vent and Methane Seep Fields: Variations in Energy Source and Importance of Subsurface Microbial Processes in the Sediment-Hosted Systems

Origin of life: LUCA and extracellular membrane vesicles (EMVs)

Elastic and electrical properties and permeability of serpentinites from Atlantis Massif, Mid-Atlantic Ridge

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