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Fig. 4 | Plant Methods

Fig. 4

From: A 13C isotope labeling method for the measurement of lignin metabolic flux in Arabidopsis stems

Fig. 4

PAL and 4CL activities in Arabidopsis stems over a day–night cycle. Activities of PAL and 4CL from the basal 0–2 cm (black bars) or 2–4 cm (white bars) of 4-week-old Arabidopsis stems. Shaded area means stems were sampled at night. Data represent mean ± SD (n = 3). One-way ANOVA was tested for PAL and 4CL assays respectively and statistical difference by Tukey HSD test (p < 0.01) was indicated by different letters. Bars with a shared letter have no statistical difference from each other

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