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. 2004 Jun 25;101(27):10211–10216. doi: 10.1073/pnas.0403709101

Fig. 5.

Fig. 5.

Effect of pH on chx23 mutant growth and chlorophyll synthesis. Arabidopsis seeds were germinated in MS agar medium at different pH levels (4.0, 5.7, and 7.0). (A) Effects of different pH levels on the growth of wild type and chx23-1. The pictures were taken 20 d after germination. (B) Effects of different pH levels on the chlorophyll content from wild type and chx23 mutants. Chlorophyll was extracted by using N′-dimethylformamide and determined photometrically according to described procedures (29). Presented values are the means from six measurements of six seedlings (15 d) ± SD.