osa-miR530-3p: Osa-mir530-3p is a miRNA derived from the 3' arm of pre-MIR530. It has been found to be up-regulated in the phyB mutant compared to the wild type [PMC4448008]. However, it is unclear whether osa-mir530-3p is a functional miRNA in the phyB-mediated signaling pathway [PMC4448008]. In a study comparing different rice genotypes, osa-mir530-3p was found to be downregulated in tolerant genotypes except for one sample, while it was upregulated in sensitive genotypes [PMC9614602]. The expression of osa-mir530-3p was also found to be downregulated in tolerant rice genotypes except for 1-day low-light-treated samples, while it was upregulated in sensitive genotypes [PMC9614602]. The predicted target gene of osa-mir530-3p is ubiquinone biosynthesis protein COQ4 [PMC9614602]. Furthermore, expression analysis and validation through qRT-PCR showed that osa-mir530-3p and other known and novel miRNAs are involved in low-light-mediated signaling mechanisms [PMC9614602]. Osa-mir530-3p has also been found to target Os05g34720, a transcription factor in rice [PMC3287166]. In addition, there are several other flowering-related and early-flowering-related miRNAs identified in rice [PMC3875430]. Overall, osa-mir530-3p has been shown to have differential expression patterns and potential target genes involved in various signaling pathways.