CMS	Cytoplasmic male sterility
mCs	Methylated cytosine sites
MLs	Methylation levels
DMRs	Differentially methylated regions
DMGs	Differentially methylated genes
DEGs	Differentially expressed genes
DMEGs	DEGs associated with DMRs
ETC	Electron transport chain
ATP	Adenosine triphosphate
ROS	Reactive oxygen species
PCD	Programmed cell death
Rf	Restorer of fertility
CMS-WA	Wild-abortive CMS
TCA	Tricarboxylic acid
PPR	Pentatricopeptide repeat
MYB	V-myb avian myeloblastosis vira I oncogene homolog
GMS	Genic male sterility
NGS	Next-generation sequencing
WGBS	Whole-genome bisulfite sequencing
TTC	2,3,5-Triphenyltetrazolium chloride
DMCs	Differentially methylated cytosines
FPKM	Fragments per kilobase of exons per million fragments mapped
GO	Gene ontology
BP	Biological process
CC	Cellular component
MF	Molecular function
KEGG	Kyoto Encyclopedia of Genes and Genomes
qRT-PCR	Quantitative real-time polymerase chain reaction
HT	High-temperature
COX11	CYTOCHROME C OXIDASE 11
ICR-CAAS	Institute of Cotton Research of Chinese Academy of Agricultural Sciences
CTAB	Cetyltriethylammnonium bromide
NCBI	National Center for Biotechnology Information
SRA	Sequence Read Archive
FDR	False discovery rate
cDNA	Complementary DNA
SD	Standard deviation