Among the 19 Sl-ARFs for which the 5′ leader sequences are available in iTAG2.30 or identified in this study (11 members), uORFs were predicted for 17 genes, ranging from 1 to 52 amino acids in size with four genes (Sl-ARF2A, Sl-ARF5, Sl-ARF10A and Sl-ARF16A) having five or more uORFs