Amino acids	aa
bZIP	Basic leucine zipper
Cd	Cadmium
Cr	Chromium
Chr(s)	Chromosome(s)
DAG	Days after germination
GO	Gene ontology
HM	Heavy metal
HY5	Elongated hypocotyl 5
HYH	HY5 homolog
Pb	Lead
Leu	Leucine
NJ	Neighbor-Joining
RGD	Radish Genome Database
RPKM	Reads per kilobase per million reads
RT-qPCR	Real-Time Quantitative Polymerase Chain Reaction