ABA	abscisic acid
bp	base pair
GA	gibberellin
CaMV	cauliflower mosaic virus
CCCH	Cysteine-cysteine-cysteine-histidine
CRISPR/Cas9	complementation and clustered regularly interspaced short palindromic repeat/CRISPR-associated 9
GFP	green fluorescent protein
GMS	genetic male sterile
GUS	β-glucuronidase
LOTUS	Limkain, Oskar, and TUdor-containing proteins 5 and 7
PAM	protospacer adjacent motif
PCR	polymerase chain reaction
PMI	pollen mitosis I
PMII	pollen mitosis II
Pre-mRNA	precursor messenger RNA
qRT-PCR	quantitative reverse transcriptase polymerase chain reaction
RNA-seq	RNA sequencing
RRM	RNA recognition motif
SEM	scanning electron microscopy
TEM	transmission electron microscopy
TZF	tandem CCCH zinc-finger