AUXs	auxins
Cas9	CRISPR associated protein 9
CDF	cation diffusion facilitator
CKs	cytokinins
Cpf1	CRISPR from Prevotella and Francisella 1
CRISPR	clustered regularly interspaced short palindromic repeats
dCas9	catalytically inactive Cas9
GAs	gibberellins
gRNA	guide ribonucleic acid
HMA	heavy metal transporting ATPases
LMWOA	low molecular weight organic acids
MATE	multidrug and toxin efflux
MTs	metallothioenins
PCs	phytochelatins
PGPR	plant growth-promoting rhizobacteria
TALENs	transcription activator-like effector nucleases
YSL	yellow strip1-like
ZFNs	zinc finger nucleases
ZIP	zinc-regulated transporter iron-regulated transporter proteins.