Table 1.

CRISPRa strategies used in plants

Activation strategy	dCas-TAD	Additional TADs	References
Direct fusion of TAD to dCas9	dCas9-EDLL		Piatek et al. (2015); Vazquez-Vilar et al. (2016)
	dCas9-TV		Li et al. (2017)
	dCas9-VPR
	dCas9-TAL		Piatek et al. (2015)
	dCas9-VP64		Lowder et al. (2015, 2018); Vazquez-Vilar et al. (2016); Li et al. (2017)
	dCas9-VP64-EDLL		Lowder et al. (2018); Lee et al. (2021)
SunTag	dCas9-SunTag	scFv-VP64	Papikian et al. (2019)
SAM (aptamers inside the loop)	dCas9-VP64	MS2-p65-HSF1	Park et al. (2017)
scRNA (aptamers outside the loop)	dCas9-EDLL	MS2-VPR	Selma et al. (2019)
	dCas9-VP64	MS2-EDLL	Lowder et al. (2018)
	dCas9-VP64	MS2-VP64	Lowder et al. (2018)
SunTag+scRNA	dCas9-VP64-SunTag	MS2-VP64 scFV-2xTAD	Pan et al. (2021)