Fe-deficiency-induced expression of bHLH104 enhances Fe-deficiency tolerance of Arabidopsis thaliana

Fe-deficiency-induced expression of bHLH104 enhances Fe-deficiency tolerance of Arabidopsis thaliana Planta (2017) 246:421–431 DOI 10.1007/s00425-017-2703-y ORIGINAL ARTICLE Fe-deficiency-induced expression of bHLH104 enhances Fe-deficiency tolerance of Arabidopsis thaliana 1,2 1,2 1 1 • • • Ce Wang Xiani Yao Diqiu Yu Gang Liang Received: 20 March 2017 / Accepted: 20 April 2017 / Published online: 27 April 2017 Springer-Verlag Berlin Heidelberg 2017 Abstract tolerance to Fe deficiency and Pro :bHLH104-GFP MYB72 Main conclusion Expression of bHLH104-GFP driven plants had a significant advantage in growth in alkaline by the MYB72 promoter improves plants’ tolerance to soil, including increased root length, chlorophyll, and Fe deficiency and increases seed Fe concentrations. biomass. Further analysis revealed that the expression of Fe-deficiency responsive genes was dramatically upregu- Iron (Fe) deficiency causes reduced crop yield and quality. lated in both Pro :bHLH104-GFP and Pro :- MYB72 bHLH100 In humans, Fe deficiency is directly associated with Fe- bHLH104-GFP plants under Fe-deficiency conditions. deficiency anemia. Therefore, breeding Fe-deficiency tol- When grown in alkaline soil, Pro :bHLH104-GFP MYB72 erant and Fe-enriched plants are an ideal approach to deal plants greatly improved the seed yield and Fe concentra- with these problems. Here, different strategies were tion. These results are fundamental for plant manipulation explored to generate Fe-deficiency tolerant and Fe-en- http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Planta Springer Journals

Fe-deficiency-induced expression of bHLH104 enhances Fe-deficiency tolerance of Arabidopsis thaliana

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag Berlin Heidelberg
Subject
Life Sciences; Plant Sciences; Agriculture; Ecology; Forestry
ISSN
0032-0935
eISSN
1432-2048
D.O.I.
10.1007/s00425-017-2703-y
Publisher site
See Article on Publisher Site

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