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DOI:	10.1371/journal.pone.0128863
论文题名:	Biogenic Mn-Oxides in Subseafloor Basalts
作者:	Magnus Ivarsson; Curt Broman; Håkan Gustafsson; Nils G. Holm
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-6-24
卷:	10, 期:6
语种:	英语
英文关键词:	Fungal structure ; Fungi ; Oxidation ; Fossils ; Scanning electron microscopy ; Biofilms ; Electron spin resonance spectroscopy ; Seamounts
英文摘要:	The deep biosphere of the subseafloor basalts is recognized as a major scientific frontier in disciplines like biology, geology, and oceanography. Recently, the presence of fungi in these environments has involved a change of view regarding diversity and ecology. Here, we describe fossilized fungal communities in vugs in subseafloor basalts from a depth of 936.65 metres below seafloor at the Detroit Seamount, Pacific Ocean. These fungal communities are closely associated with botryoidal Mn oxides composed of todorokite. Analyses of the Mn oxides by Electron Paramagnetic Resonance spectroscopy (EPR) indicate a biogenic signature. We suggest, based on mineralogical, morphological and EPR data, a biological origin of the botryoidal Mn oxides. Our results show that fungi are involved in Mn cycling at great depths in the seafloor and we introduce EPR as a means to easily identify biogenic Mn oxides in these environments.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0128863&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/22235
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0128863.PDF（1813KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Palaeobiology and the Nordic Center for Earth Evolution (NordCEE), Swedish Museum of Natural History, Stockholm, Sweden;Department of Geological Sciences, Stockholm University, Stockholm, Sweden;Department of Biomedical Engineering (MTÖ), County Council of Östergötland, Radiation Physics, Department of Medicine and Health Sciences, Linköping University, Linköping, Sweden;Department of Geological Sciences, Stockholm University, Stockholm, Sweden

Recommended Citation:

Magnus Ivarsson,Curt Broman,Håkan Gustafsson,et al. Biogenic Mn-Oxides in Subseafloor Basalts[J]. PLOS ONE,2015-01-01,10(6)

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