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231225s1997 xx |||||o 00| ||eng c |
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|a 10.1046/j.1469-8137.1997.00788.x
|2 doi
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|a pubmed24n1080.xml
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|a (NLM)33863102
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Taylor, Andrew F S
|e verfasserin
|4 aut
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| 245 |
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|a Natural 15 N abundance in fruit bodies of ectomycorrhizal fungi from boreal forests
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| 264 |
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|c 1997
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 19.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The 15 N natural abundance and N concentrations of fruit bodies from 70 species (23 genera) of ectomycorrhizal fungi found in boreal forests are presented. Large intraspecific and intrageneric differences were found, e.g. 8.3‰15 N in the species Dermocybe crocea and 12.6‰ in the genus Cortinarius. In addition, significant differences in both δ15 N and %N were found between different parts of fruit bodies, with cap material giving consistently higher values. Proteins and amino acids were enriched by 9.7±0.4‰ (mean ± 1 SE) relative to chitin, irrespective of the part of the fruit body examined. Chitin had δ15 N values similar to that of plant hosts. The higher δ15 N and %N values of the caps than of the stipes probably reflect a higher portion of proteins and amino acids in the caps. The δ15 N of mycorrhizal fungi can be a function of the N species used (organic N, NH4 + , NO3 - ), the depth of soil at which the mycelium occurs, and metabolic fractionations. The metabolic fractionations, e.g. potential transaminations during the flux of N from the soil through the fungus to the plant, make it difficult, at present, to make inferences about sources of N based on δ15 N values alone. No effect of sample drying temperature on δ15 values of fungal material was detected
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Boreal forest
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| 650 |
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4 |
|a ectomycorrhizal fungi
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| 650 |
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4 |
|a nitrogen
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| 650 |
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4 |
|a stable isotopes
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| 650 |
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4 |
|a δ15N
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| 700 |
1 |
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|a Högbom, Lars
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Högberg, Mona
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lyon, Anthony J E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Näsholm, Torgny
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Högberg, Peter
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 136(1997), 4 vom: 18. Aug., Seite 713-720
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:136
|g year:1997
|g number:4
|g day:18
|g month:08
|g pages:713-720
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|u http://dx.doi.org/10.1046/j.1469-8137.1997.00788.x
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