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DOI:	10.1371/journal.pone.0133368
论文题名:	Zygomycetes in Vesicular Basanites from Vesteris Seamount, Greenland Basin – A New Type of Cryptoendolithic Fungi
作者:	Magnus Ivarsson; Jörn Peckmann; Anders Tehler; Curt Broman; Wolfgang Bach; Katharina Behrens; Joachim Reitner; Michael E. Böttcher; Lena Norbäck Ivarsson
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-7-16
卷:	10, 期:7
语种:	英语
英文关键词:	Fungal structure ; Fungi ; Vesicles ; Sediment ; Fossils ; Zygomycetes ; Seamounts ; Fungal reproduction
英文摘要:	Fungi have been recognized as a frequent colonizer of subseafloor basalt but a substantial understanding of their abundance, diversity and ecological role in this environment is still lacking. Here we report fossilized cryptoendolithic fungal communities represented by mainly Zygomycetes and minor Ascomycetes in vesicles of dredged volcanic rocks (basanites) from the Vesteris Seamount in the Greenland Basin. Zygomycetes had not been reported from subseafloor basalt previously. Different stages in zygospore formation are documented in the studied samples, representing a reproduction cycle. Spore structures of both Zygomycetes and Ascomycetes are mineralized by romanechite-like Mn oxide phases, indicating an involvement in Mn(II) oxidation to form Mn(III,VI) oxides. Zygospores still exhibit a core of carbonaceous matter due to their resistance to degradation. The fungi are closely associated with fossiliferous marine sediments that have been introduced into the vesicles. At the contact to sediment infillings, fungi produced haustoria that penetrated and scavenged on the remains of fragmented marine organisms. It is most likely that such marine debris is the main carbon source for fungi in shallow volcanic rocks, which favored the establishment of vital colonies.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0133368&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/20430
Appears in Collections:	过去全球变化的重建科学计划与规划全球变化的国际研究计划影响、适应和脆弱性气候变化与战略气候减缓与适应气候变化事实与影响

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作者单位:

Department of Palaeobiology and the Center for Earth Evolution (NordCEE), Swedish Museum of Natural History, Stockholm, Sweden;Department of Geodynamics and Sedimentology, Center for Earth Sciences, University of Vienna, Vienna, Austria;Department of Botany, Swedish Museum of Natural History, Stockholm, Sweden;Department of Geological Sciences, Stockholm University, Svante Arrheniusväg 8, Stockholm, Sweden;MARUM–Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany;MARUM–Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany;Geobiology Group, Geoscience Centre, Georg-August University, Göttingen, Germany;Geochemistry & Isotope Biogeochemistry Group, Department for Marine Geology, Leibniz Institute for Baltic Sea Research (IOW), Warnemünde, Germany;School of Natural Sciences, Technology and Environmental Studies, Södertörn University, Alfred Nobels Allé 7, Stockholm, Sweden

Recommended Citation:

Magnus Ivarsson,Jörn Peckmann,Anders Tehler,et al. Zygomycetes in Vesicular Basanites from Vesteris Seamount, Greenland Basin – A New Type of Cryptoendolithic Fungi[J]. PLOS ONE,2015-01-01,10(7)

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