Table 2.
B6 vitamer profiles of A. thaliana leaves. Means ± SD are expressed as ng vitamer mg−1 leaf FW.
| pyridoxal (PL) | pyridoxamine (PM) | pyridoxine (PN) | pyridoxal 5′-phosphate (PLP) | |
|---|---|---|---|---|
| C24 C | 1.048 ± 0.132 | 0.694 ± 0.060 | 0.064 ± 0.037 | 1.357 ± 0.277 |
| C24 UV | 1.160 ± 0.177 | 0.690 ± 0.138 | 0.052 ± 0.015 | 1.184 ± 0.251 |
| rsr4-1 C | 1.117 ± 0.147 | 0.704 ± 0.070 | 0.030 ± 0.008 | 0.797 ± 0.207# |
| rsr4-1 UV | 1.530 ± 0.141*# | 0.895 ± 0.103*# | 0.062 ± 0.009* | 1.088 ± 0.164* |
*UV effect: significant difference between control (C) and UV-exposed (UV) leaves (p < 0.05, n = 8) of the same genotype.
#Genotype effect: significant difference between wild type (C24) and B6 mutant (rsr4-1) control leaves (p < 0.05, n = 8) under the same irradiation conditions.