Expression profiles of target miRNAs in grafted watermelon under normal growth conditions.

<p>(A) Expression pattern of <i>Cla-miR164a</i> in the leaves of grafted watermelon scions. “Wm/Wm”, “Wm/Sq” and “Wm/Bg” represent self-, squash- and bottle gourd-grafted watermelon, respectively. (B) Expression pattern of <i>Cmo-miR397a</i> in squash roots. “Sq” and “Wm/Sq” represent non-grafted and grafted squash, respectively. (C) Expression pattern of <i>Lsi-miR5148a</i> in bottle gourd roots. “Bg” and “Wm/Bg” represent non-grafted and grafted bottle gourd, respectively. qPCR data was normalized by each reference gene, including <i>U6</i>, <i>18S</i>, <i>miR166b</i>, <i>miR167c</i> and <i>miR167f</i>, respectively. Different lower-case letters denote significant differences among relative transcript levels (<i>P</i> < 0.05, one-way ANOVA and then Tukey’s test for multiple comparisons). Values are means (n = 3) ± SD.