NDLI: Fungal diversity and deterioration in mummified woods from the ad Astra Ice Cap region in the Canadian High Arctic

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Fungal diversity and deterioration in mummified woods from the ad Astra Ice Cap region in the Canadian High Arctic

Content Provider	Springer Nature Link
Author	Jurgens, Joel A. Blanchette, Robert A. Filley, Timothy R.
Copyright Year	2009
Abstract	Non-permineralized or mummified ancient wood found within proglacial soil near the ad Astra Ice Cap (81°N, 76°W), Ellesmere Island, Canada was investigated to ascertain the identification of the trees, current morphological and chemical characteristics of the woods and the fungi within them. These woods, identified as Betula, Larix, Picea and Pinus, were found with varying states of physical and chemical degradation. Modern microbial decomposition caused by soft rot fungi was evident and rDNA sequencing of fungi obtained from the samples revealed several species including Cadophora sp., Exophiala sp., Phialocephala sp., as well as others. Analytical 13C-labeled tetramethylammonium hydroxide thermochemolysis showed the lignin from the ancient wood was in a high degree of preservation with minor side chain alteration and little to no demethylation or ring hydroxylation. The exposure of these ancient woods to the young soils, where woody debris is not usually prevalent, provides carbon and nutrients into the polar environment that are captured and utilized by unique decay fungi at this Arctic site.
Starting Page	751
Ending Page	758
Page Count	8
File Format	PDF
ISSN	07224060
Journal	Polar Biology
Volume Number	32
Issue Number	5
e-ISSN	14322056
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-01-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Non-permineralized wood Ellesmere Island Fungi Wood decay Biodeterioration Lignin chemistry Zoology Ecology Plant Sciences Microbiology Oceanography
Content Type	Text
Resource Type	Article
Subject	Agricultural and Biological Sciences

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Fungal diversity and deterioration in mummified woods from the ad Astra Ice Cap region in the Canadian High Arctic

DOI 10.1007/s00300-008-0578-xORIGINAL PAPER Fungal diversity and deterioration in mummiWed woods from the ad Astra Ice Cap region in the Canadian High Arctic

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Fungal diversity and deterioration in mummified woods from the ad Astra Ice Cap region in the Canadian High Arctic

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Fungal diversity and deterioration in mummified woods from the ad Astra Ice Cap region in the Canadian High Arctic

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