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Fig. 1 | Biotechnology for Biofuels

Fig. 1

From: The impact of silicon on cell wall composition and enzymatic saccharification of Brachypodium distachyon

Fig. 1

Concentrations of structural mineral elements in cell wall material of wild type (WT) and Bdlsi1-1 mutant plants. Concentrations of non-phytolith silicon, Si (a, b); boron, B (c, d) and calcium, Ca (e, f) in cell walls isolated from different organs of wild-type and Bdlsi1-1 plants growing in soil at 19 °C and 16 h photoperiod in a greenhouse. Material was harvested at two growth stages: (i) ripening (a, c, e) and (ii) maturity (senescence) (b, d, f). At the ripening stage, plants were subdivided into leaves with sheaths, stems and spikelets (flowers, seeds and bracts); data obtained for individual organs were used to calculate element concentrations in straw and entire shoots at the ripening stage (a, c, e). At maturity, either entire shoots (all vegetative and generative above-ground organs) or straw (leaves, leaf sheaths and stems) were harvested. Concentrations were measured by ICP-OES after microwave digestion with acids. Values are mean ± SD of three replicates. Asterisks indicate significant differences between the wild type and the mutant (*p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001) as assessed by one-way ANOVA followed by Tukey’s HDS post hoc test

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