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. 2018 Apr 26;9:557. doi: 10.3389/fpls.2018.00557

FIGURE 8.

FIGURE 8

Differential partitioning of Fe and P in cell wall fractions of maize roots. (A–D) Fe contents in pectin (PE), hemicellulose fraction-1 (HC1), hemicellulose fraction-2 (HC2), and cellulose (CE); (E–H) P contents in pectin (PE), hemicellulose fraction-1 (HC1), hemicellulose fraction-2 (HC2), and cellulose (CE). B73 and Mo17 plants were grown for 15 days in nutrient solution supplemented without Fe and P (Fe0P0), without Fe and with 100 μM P (Fe0P100), with 100 μM Fe, and without P (Fe100P0) or with 100 μM Fe and 100 μM P (Fe100P100). Fe and P treatments were initiated after one week of preculture on full nutrient solution. 1 g of root cell wall material was sequentially extracted for fractionation. Bars indicate mean values ± SD, n = 5. Different letters denote significant differences at p < 0.05.