Table 2.

Targets and functions of non-conserved miRNAs validated by ectopic-expression experiments in plants.

miRNA	Length (nt)	Targets	Lineage	Action modes	Functions	Reference
miR163	24	PXMT1, FAMT	Arabidopsis	RNA cleavage	Metabolite biosynthesis	Ng et al. (2011)
miR173	22	TAS1, TAS2	Arabidopsis	RNA cleavage, phased-siRNA initiation	Uncharacterized	Montgomery et al. (2008); Felippes and Weigel (2009)
miR400	21	PPR	Arabidopsis	RNA cleavage	Heat tolerance	Yan et al. (2012)
miR444	21	MADS57	Oryza sativa	RNA cleavage	Tillering development, nutrition accumulation	Guo et al. (2013); Yan et al. (2014)
miR472	22	CNLs	Arabidopsis	RNA cleavage, phased-siRNA initiation	Pathogen resistance	Boccara et al. (2014)
miR482	22	NBS-LRR	Solanaceae	RNA cleavage, phased-siRNA initiation	Pathogen resistance	Shivaprasad et al. (2012)
miR820	21,22,24	DRM2	Oryza sativa	RNA cleavage, DNA methylation	Epigenetic silencing	Nosaka et al. (2012)
miR824	21	AGL16	Arabidopsis	RNA cleavage	Stomata development, plant flowering	Kutter et al. (2007); Hu et al. (2014)
miR828	22	MYB2	Gossypium	RNA cleavage, phased-siRNA initiation	Fiber development	Guan et al. (2014)
miR858	21	MYB2	Gossypium	RNA cleavage	Fiber development	Guan etal. (2014)
miR5200	21	FTL1/2	Brachypodium	RNA cleavage	Flowering initiation	Wu et al. (2013)
miR4376	22	Ca2+-ATPase	Solanaceae	RNA cleavage, phased-siRNA initiation	Flower and fruit development	Wang et al. (2011)
miR6019	22	NB-LRR/LRR	Solanaceae	RNA cleavage, phased-siRNA initiation	Pathogen resistance	Li et al. (2012)
miR6020	21	NB-LRR/LRR	Solanaceae	RNA cleavage	Pathogen resistance	Li et al. (2012)
miR7695	21	NrampG	Oryza sativa	RNA cleavage	Pathogen resistance	Campo et al. (2013)