TABLE 2.

Overview of mobile non-coding RNAs that have been identified in grafted vegetables.

Crop	non-coding RNA	Transport direction	Function description	References
Solanum tuberosum L.	miR172	shoot to root	Promote flowering, accelerates tuberization	Martin et al., 2009
Brassica napus L.	miR395	shoot to root	Sulfate starvation	Jones-Rhoades and Bartel, 2004
Brassica napus L.	miR398	shoot to root	Copper starvation	Sunkar et al., 2006
Brassica napus L.	miR399	shoot to root	Phosphate starvation	Pant et al., 2008
Cucurbita maxima	tRNA	shoot to root	The source of cytokinins	Mok and Mok, 2001