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Fig. 8 | BMC Plant Biology

Fig. 8

From: Comparative physiological responses and transcriptome analysis reveal the roles of melatonin and serotonin in regulating growth and metabolism in Arabidopsis

Fig. 8

a-f Melatonin and serotonin improve Fe deficiency tolerance. a, d Phenotypic analysis (a) and chlorophyll contents (d) of seedlings grown in Fe-deficient MS agar medium without (control) or in the presence of 10 or 50 μM melatonin or serotonin for 20 d. b, e Images (b) and quantification (e) of Perl’s staining in seedlings grown in Fe-deficient MS agar medium with or without (control) 10 or 50 μM melatonin or serotonin for 10 d. c, f Phenotypic analysis (c) and chlorophyll contents (f) of Col-0, snat-1, snat-2, SNAT-OE-1, and SNAT-OE-2 seedlings grown in Fe-deficient MS agar medium for 15 d. Error bars represent SE. Different letters indicate significantly different values (P < 0.05 by Tukey’s test). M10, 10 μM melatonin; M50, 50 μM melatonin; S10, 10 μM serotonin; S50, 50 μM serotonin

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