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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17527
|2 doi
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|a pubmed24n1087.xml
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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 Hestrin, Rachel
|e verfasserin
|4 aut
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| 245 |
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|a Plants and mycorrhizal symbionts acquire substantial soil nitrogen from gaseous ammonia transport
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|c 2021
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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 Completed 12.08.2021
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|a Date Revised 12.08.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2021 The Authors New Phytologist © 2021 New Phytologist Foundation.
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|a Nitrogen (N) is an essential nutrient that limits plant growth in many ecosystems. Here we investigate an overlooked component of the terrestrial N cycle - subsurface ammonia (NH3 ) gas transport and its contribution to plant and mycorrhizal N acquisition. We used controlled mesocosms, soil incubations, stable isotopes, and imaging to investigate edaphic drivers of NH3 gas efflux, track lateral subsurface N transport originating from 15 NH3 gas or 15 N-enriched organic matter, and assess plant and mycorrhizal N assimilation from this gaseous transport pathway. NH3 is released from soil organic matter, travels belowground, and contributes to root and fungal N content. Abiotic soil properties (pH and texture) influence the quantity of NH3 available for subsurface transport. Mutualisms with arbuscular mycorrhizal (AM) fungi can substantially increase plant NH3 -N uptake. The grass Brachypodium distachyon acquired 6-9% of total plant N from organic matter-N that traveled as a gas belowground. Colonization by the AM fungus Rhizophagus irregularis was associated with a two-fold increase in total plant N acquisition from subsurface NH3 gas. NH3 gas transport and uptake pathways may be fundamentally different from those of more commonly studied soil N species and warrant further research
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a ammonia (NH3)
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|a arbuscular mycorrhizal fungi
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|a nitrogen (N)
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|a plant
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| 650 |
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|a soil
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|a Gases
|2 NLM
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|a Soil
|2 NLM
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| 650 |
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|a Ammonia
|2 NLM
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| 650 |
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|a 7664-41-7
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Weber, Peter K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pett-Ridge, Jennifer
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lehmann, Johannes
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 231(2021), 5 vom: 01. Sept., Seite 1746-1757
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:231
|g year:2021
|g number:5
|g day:01
|g month:09
|g pages:1746-1757
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|u http://dx.doi.org/10.1111/nph.17527
|3 Volltext
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|d 231
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|e 5
|b 01
|c 09
|h 1746-1757
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