CA	Carbonic anhydrase
CP	Cysteine protease
DEG	Differentially expressed gene
EXP	Expansin
FAA	Formalin–acetic acid–alcohol
ORF	Open reading frame
PCA	Principal component analysis
PCD	Programmed cell death
PG	Polygalacturonase
PL	Pectate lyase
PME	Pectin methylesterase
qRT-PCR	Quantitative real-time polymerase chain reaction
SSR	Simple sequence repeat
TEM	Transmission electron microscope