Small DNA elements can act as both insulators and silencers in plants.

Jores T, Mueth NA, Tonnies J, Char SN, Liu B, Grillo-Alvarado V, Abbitt S, Anand A, Deschamps S, Diehn S, Gordon-Kamm B, Jiao S, Munkvold K, Snowgren H, Sardesai N, Fields S, Yang B, Cuperus JT, Queitsch C
Plant Cell. 2025 Jun 4;37(6):koaf084. doi: 10.1093/plcell/koaf084. PubMed Article

Plasmids from Article

ID	Plasmid	Purpose
226912	pPSmF	Minimal plasmid for Plant STARR-seq with enhancer candidates in forward orientation
226913	pPSmR	Minimal plasmid for Plant STARR-seq with enhancer candidates in reverse orientation