Fig. 4From: Identification and functional characterization of intermediate-size non-coding RNAs in maizeSemi-quantitative RT-PCR results of ncRNA genes under PEG6000 simulated-drought stress (a), ABA simulated-drought stress (b), and NaCl simulated-salt stress (c). 0, 1, 3, 6, 12, and 24Â h represented RNAs extracted from roots at the 0, 1, 3, 6, 12, and 24Â h after different abiotic stress. U6 was used as an internal controlBack to article page