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. 2014 Jan 27;9(1):e86402. doi: 10.1371/journal.pone.0086402

Figure 1. Drought affects the expression of some circadian clock genes in soybean.

Figure 1

Gene expression data regards qPCR analysis of soybean leaves during moderate (A) and severe (B) drought stress. Expression axis represents normalized expression (NE) = 2∧-(Ct experimental – Ctn). Collect time points are represented by ZT (Zeitgeiber Time) 0 to 20, starting from the time the lights came on ( ZT0) and proceeding with 4 h intervals until ZT20. For easy viewing, asterisks represent significant differences between control and stressed plants in each time point (Duncan’s test 5%, time -treatment interaction). The ANOVA and the complete Duncan’s test results are presented in Table S3.