Abstract
Rare earth elements can promote photosynthesis, but their mechanisms are still poorly understood under magnesium deficiency. The present study was designed to determine the role of cerium in magnesium-deficient maize plants. Maize was cultivated in Hoagland’s solution added with cerium with and without adequate quantities of magnesium. Under magnesium-deficient conditions, cerium can prevents inhibition of synthesis of photosynthetic pigment, improves light energy absorption and conversion, oxygen evolution, and the activity of photo-phosphorelation and its coupling factor Ca2+-ATPase. These results suggest that cerium could partly substitute magnesium, improving photosynthesis and plant growth.
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This work was supported by the National Natural Science Foundation of China (30800068).
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Min Zhou, Xiaolan Gong, and Ying Wang contributed equally to this work.
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Zhou, M., Gong, X., Wang, Y. et al. Improvement of Cerium of Photosynthesis Functions of Maize Under Magnesium Deficiency. Biol Trace Elem Res 142, 760–772 (2011). https://doi.org/10.1007/s12011-010-8769-z
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DOI: https://doi.org/10.1007/s12011-010-8769-z