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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erx320
|2 doi
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|a pubmed24n0923.xml
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|e rakwb
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|a eng
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|a Grillet, Louis
|e verfasserin
|4 aut
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|a The multiple facets of root iron reduction
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 05.07.2018
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|a Date Revised 05.07.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a The biological significance of iron (Fe) is based on its propensity to oscillate between the ferric and ferrous forms, a transition that also affects its phyto-availability in soils. With the exception of grasses, Fe3+ is unavailable to plants. Most angiosperms employ a reduction-based Fe uptake mechanism, which relies on enzymatic reduction of ferric iron as an obligatory, rate-limiting step prior to uptake. This system functions optimally in acidic soils. Calcicole plants are, however, exposed to environments that are alkaline and/or have suboptimal availability of phosphorous, conditions under which the enzymatic reduction mechanism ceases to work effectively. We propose that auxiliary, non-enzymatic Fe reduction can be of critical importance for conferring fitness to plants thriving in alkaline soils with low bioavailability of Fe and/or phosphorus
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|a Journal Article
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|a Calcicole plants
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|a coumarins
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|a iron
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|a phosphate
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|a plant nutrition
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|a redox processes
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|a Soil
|2 NLM
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| 650 |
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
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|a Iron
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|a Schmidt, Wolfgang
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 68(2017), 18 vom: 02. Nov., Seite 5021-5027
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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|g volume:68
|g year:2017
|g number:18
|g day:02
|g month:11
|g pages:5021-5027
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|u http://dx.doi.org/10.1093/jxb/erx320
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