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240108s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19501
|2 doi
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|a pubmed24n1386.xml
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|a (NLM)38173184
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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 |
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|a Lekberg, Ylva
|e verfasserin
|4 aut
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|a Carbon and phosphorus exchange rates in arbuscular mycorrhizas depend on environmental context and differ among co-occurring plants
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|c 2024
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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 25.04.2024
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|a Date Revised 25.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors. New Phytologist © 2024 New Phytologist Foundation.
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|a Phosphorus (P) for carbon (C) exchange is the pivotal function of arbuscular mycorrhiza (AM), but how this exchange varies with soil P availability and among co-occurring plants in complex communities is still largely unknown. We collected intact plant communities in two regions differing c. 10-fold in labile inorganic P. After a 2-month glasshouse incubation, we measured 32P transfer from AM fungi (AMF) to shoots and 13C transfer from shoots to AMF using an AMF-specific fatty acid. AMF communities were assessed using molecular methods. AMF delivered a larger proportion of total shoot P in communities from high-P soils despite similar 13C allocation to AMF in roots and soil. Within communities, 13C concentration in AMF was consistently higher in grass than in blanketflower (Gaillardia aristata Pursh) roots, that is P appeared more costly for grasses. This coincided with differences in AMF taxa composition and a trend of more vesicles (storage structures) but fewer arbuscules (exchange structures) in grass roots. Additionally, 32P-for-13C exchange ratios increased with soil P for blanketflower but not grasses. Contrary to predictions, AMF transferred proportionally more P to plants in communities from high-P soils. However, the 32P-for-13C exchange differed among co-occurring plants, suggesting differential regulation of the AM symbiosis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a P‐for‐C exchange ratio
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|a arbuscular mycorrhiza
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|a resource allocation
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|a soil extractable P
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|a symbiosis
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Soil
|2 NLM
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| 650 |
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|a Carbon Isotopes
|2 NLM
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|a Jansa, Jan
|e verfasserin
|4 aut
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|a McLeod, Morgan
|e verfasserin
|4 aut
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|a DuPre, Mary Ellyn
|e verfasserin
|4 aut
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|a Holben, William E
|e verfasserin
|4 aut
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|a Johnson, David
|e verfasserin
|4 aut
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| 700 |
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|a Koide, Roger T
|e verfasserin
|4 aut
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|a Shaw, Alanna
|e verfasserin
|4 aut
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|a Zabinski, Catherine
|e verfasserin
|4 aut
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|a Aldrich-Wolfe, Laura
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 242(2024), 4 vom: 15. Apr., Seite 1576-1588
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:242
|g year:2024
|g number:4
|g day:15
|g month:04
|g pages:1576-1588
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|u http://dx.doi.org/10.1111/nph.19501
|3 Volltext
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|d 242
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