Fig. 2From: MicroRNA-mRNA expression profiles and their potential role in cadmium stress response in Brassica napusLengths of small RNAs (sRNAs) and first base .s of mature miRNAs in 12 libraries (three biological replicates) constructed from shoot and root tissues of Brassica napus seedlings under 0 or 10 mg / mL cadmium stress for 10 days. a The proportion of sRNAs of different lengths in the 12 sequencing libraries. The Y-axis displays the number of sRNAs of a certain length, while the X-axis represents sRNAs of different lengths. b The first base preference of mature miRNAs in the 12 libraries. The Y-axis displays the proportion of mature miRNAs with a certain base type as the first base, and the X-axis represents the length classification of the sRNAsBack to article page