globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gbi.12100
Scopus记录号: 2-s2.0-84907959804
论文题名:
Deep-biosphere consortium of fungi and prokaryotes in Eocene subseafloor basalts
作者: Bengtson S.; Ivarsson M.; Astolfo A.; Belivanova V.; Broman C.; Marone F.; Stampanoni M.
刊名: Geobiology
ISSN: 1472-4677
EISSN: 1472-4669
出版年: 2014
卷: 12, 期:6
起始页码: 489
结束页码: 496
语种: 英语
Scopus关键词: Fungi ; Prokaryota
Scopus学科分类: Earth and Planetary Sciences: General Earth and Planetary Sciences ; Environmental Science: General Environmental Science ; Agricultural and Biological Sciences: Ecology, Evolution, Behavior and Systematic
英文摘要: The deep biosphere of the subseafloor crust is believed to contain a significant part of Earth's biomass, but because of the difficulties of directly observing the living organisms, its composition and ecology are poorly known. We report here a consortium of fossilized prokaryotic and eukaryotic micro-organisms, occupying cavities in deep-drilled vesicular basalt from the Emperor Seamounts, Pacific Ocean, 67.5 m below seafloor (mbsf). Fungal hyphae provide the framework on which prokaryote-like organisms are suspended like cobwebs and iron-oxidizing bacteria form microstromatolites (Frutexites). The spatial inter-relationships show that the organisms were living at the same time in an integrated fashion, suggesting symbiotic interdependence. The community is contemporaneous with secondary mineralizations of calcite partly filling the cavities. The fungal hyphae frequently extend into the calcite, indicating that they were able to bore into the substrate through mineral dissolution. A symbiotic relationship with chemoautotrophs, as inferred for the observed consortium, may be a pre-requisite for the eukaryotic colonization of crustal rocks. Fossils thus open a window to the extant as well as the ancient deep biosphere. © 2014 The Authors. Geobiology Published by John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85197
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Palaeobiology and Nordic Center for Earth Evolution, Swedish Museum of Natural History, Stockholm, Sweden; Swiss Light Source, Paul Scherrer Institute, Villigen, Sweden; Department of Geological Sciences, Stockholm University, Stockholm, Sweden; Institute for Biomedical Engineering, University and ETH Zürich, Zürich, Sweden

Recommended Citation:
Bengtson S.,Ivarsson M.,Astolfo A.,et al. Deep-biosphere consortium of fungi and prokaryotes in Eocene subseafloor basalts[J]. Geobiology,2014-01-01,12(6)
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