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Zn deficiency in Brassica napus induces Mo and Mn accumulation associated with chloroplast proteins variation without Zn remobilization

Abstract : The importance of zinc (Zn) has been of little concern in human nutrition despite a strong decrease of this element in crops since the rise of high yielding varieties. For better food quality, Zn biofortification can be used, but will be optimal only if mechanisms governing Zn management are better known. Using Zn deficiency, we are able to demonstrate that Zn is not remobilized in Brassica napus (B. napus). Thus, remobilization processes should not be targeted by biofortification strategies. This study also complemented previous work by investigating leaf responses to Zn deficiency, especially from proteomic and ionomic points of view, showing for example, an increase in Manganese (Mn) content and of the Mn-dependent protein, Oxygen Evolving Enhancer.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02183497
Contributor : Sophie Delle Cave <>
Submitted on : Monday, July 15, 2019 - 1:09:34 PM
Last modification on : Wednesday, May 27, 2020 - 7:36:12 AM

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Vincent Billard, Anne Maillard, Maria Garnica, Florence Cruz, Maria Garcia-Mina, et al.. Zn deficiency in Brassica napus induces Mo and Mn accumulation associated with chloroplast proteins variation without Zn remobilization. Plant Physiology and Biochemistry, Elsevier, 2015, 86, pp.66-71. ⟨10.1016/j.plaphy.2014.11.005⟩. ⟨hal-02183497⟩

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