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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16554
|2 doi
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|a pubmed24n1026.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 McKay Fletcher, Daniel M
|e verfasserin
|4 aut
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| 245 |
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|a Linking root structure to functionality
|b the impact of root system architecture on citrate-enhanced phosphate uptake
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|c 2020
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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
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|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.
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|a Root citrate exudation is thought to be important for phosphate solubilization. Previous research has concluded that cluster-like roots benefit most from this exudation in terms of increased phosphate uptake, suggesting that root structure plays an important role in citrate-enhanced uptake (additional phosphate uptake due to citrate exudation). Time-resolved computed tomography images of wheat root systems were used as the geometry for 3D citrate-phosphate solubilization models. Citrate-enhanced uptake was correlated with morphological measures of the root systems to determine which had the most benefit. A large variation of citrate-enhanced uptake over 11 root structures was observed. Root surface area dominated absolute phosphate uptake, but did not explain citrate-enhanced uptake. Number of exuding root tips correlated well with citrate-enhanced uptake. Root tips in close proximity could collectively exude high amounts of citrate, resulting in a delayed spike in citrate-enhanced uptake. Root system architecture plays an important role in citrate-enhanced uptake. Singular morphological measurements of the root systems cannot entirely explain variations in citrate-enhanced uptake. Root systems with many tips would benefit greatly from citrate exudation. Quantifying citrate-enhanced uptake experimentally is difficult as variations in root surface area would overwhelm citrate benefits
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a abiotic stress
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|a citrate
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| 650 |
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|a exudation
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| 650 |
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|a modelling
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|a phosphorus
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|a root system architecture
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|a Phosphates
|2 NLM
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|a Citric Acid
|2 NLM
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|a 2968PHW8QP
|2 NLM
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|a Ruiz, Siul
|e verfasserin
|4 aut
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|a Dias, Tiago
|e verfasserin
|4 aut
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| 700 |
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|a Petroselli, Chiara
|e verfasserin
|4 aut
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| 700 |
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|a Roose, Tiina
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 227(2020), 2 vom: 21. Juli, Seite 376-391
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:227
|g year:2020
|g number:2
|g day:21
|g month:07
|g pages:376-391
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|u http://dx.doi.org/10.1111/nph.16554
|3 Volltext
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