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The essential role of coumarin secretion for Fe acquisition from alkaline soil

Title data

Clemens, Stephan ; Weber, Michael:
The essential role of coumarin secretion for Fe acquisition from alkaline soil.
In: Plant Signaling & Behavior. Vol. 11 (2016) Issue 2 . - e1114197.
ISSN 1559-2324
DOI: https://doi.org/10.1080/15592324.2015.1114197

Abstract in another language

Plant productivity is limited by the scarcity of the essential micronutrient iron particularly in alkaline soils. The root secretion of phenolics has long been recognized as a component of the acidification-reduction strategy to acquire iron (strategy I). However, very little molecular insight into this process was available until recently several research groups independently discovered the important role of coumarins for the growth of Arabidopsis thaliana under Fe-limited conditions. Genome-wide analyses of iron deficiency responses, mutant screening and metabolomics experiments all converged on the finding that the synthesis and root exudation of scopoletin, esculetin and other coumarins is essential for iron uptake from substrates with low iron availability. Here we describe the evidence supporting this conclusion and discuss important questions that now have to be addressed in order to better understand the mechanistic basis of coumarin-dependent iron uptake and its significance within the plant kingdom.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER133143
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Physiology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Physiology > Chair Plant Physiology - Univ.-Prof. Dr. Stephan Clemens
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 10 Aug 2016 07:06
Last Modified: 10 Aug 2016 07:06
URI: https://eref.uni-bayreuth.de/id/eprint/33865