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. 2014 Oct 6;9(10):e109399. doi: 10.1371/journal.pone.0109399

Figure 5. Phenotypic and physiological changes in wild type and transgenic Arabidopsis lines under cold stress.

Figure 5

a: Phenotypes of wild type and transgenic lines of 5-week-old seedlings before cold stress (Control). b: Phenotypes of wild type and transgenic lines of 5-week-old seedlings exposed to 4°C for one week (Cold stress). c, d and e respectively represent the content changes of free proline, soluble sugar and MDA in the leaves of wild type and in transgenic lines before (Control) and after cold stress (Cold). WT-wild type; OE1, OE4 and OE7-transgenic lines; single * and duble ** respectively means significant difference at 0.05 and 0.01 levels.