AR	Adventitious root
T. ‘Zhongshanshan’	Taxodium ‘Zhongshanshan’
NT	NCBI non-redundant nucleotide sequences
NR	NCBI non-redundant protein sequences
KEGG	Kyoto Encyclopedia of Genes and Genomes
KOs	KEGG orthologs
COG	Cluster of Orthologous Groups of proteins
GO	gene ontology
TF	transcription factor
PCA	principal component analysis
DEGs	differentially expressed genes
qRT-PCR	Quantitative real-time PCR
iTRAQ	isobaric tags for relative and absolute quantitation
RNA-Seq	RNA sequencing
SDS-PAGE	sodium dodecyl sulfate-polyacrylamide gel electrophoresis
HPLC	high-performance liquid chromatography
LC-MS/MS	Liquid chromatography linked to tandem mass spectrometry
DEPs	differentially expressed proteins
TCA	tricarboxylic acid cycle