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Genome-wide identification and expression analysis of JmjC domain-containing family in Vitis vinifera L
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Genome-wide identification and expression analysis of JmjC domain-containing family in Vitis vinifera L
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Journal Article
Genome-wide identification and expression analysis of JmjC domain-containing family in Vitis vinifera L
2025
Overview
Background
In eukaryotes, histone methylation is essential for controlling chromatin structure, gene transcription, and related chromatin processes. Jumonji C (JmjC) domain-containing demethylases (JMJs) regulate histone methylation levels. The
JMJ
gene family has been discovered in various plants, including
Arabidopsis thaliana
,
Oryza sativa
,
Malus domestica
, and
Zea mays
.
Results
In this study, a total of 23
Vitis vinifera VvJMJ
gene family members related to histone methylation were identified utilizing genomic and transcript databases. We analyzed the chromosomal location distribution, protein properties, phylogenetic relationships, gene structures, motifs, evolutionary patterns, promoter sequences, and expression profiles of the
VvJMJ
gene family. The
VvJMJ
genes were classified into five subfamilies: KDM3, KDM4, KDM5, JMJD6, and JMJC. Co-linearity analysis showed that
VvJMJs
are highly conserved with
AtJMJs
and
OsJMJs
genes. Analysis of the promoter sequences revealed that
VvJMJ
gene promoter regions are enriched with elements associated with stress response, growth and development, hormone response, and light reactions. Transcriptional profiling and qRT-PCR analysis showed that
VvJMJs
may play various roles in the multiple biological processes of
V. vinifera
. For example,
VvJMJ2
,
VvJMJ16
,
VvJMJ18
may participate in the ripening process of
V. vinifera
fruits;
VvJMJ1
,
VvJMJ4
,
VvJMJ6
,
VvJMJ13
,
VvJMJ17
,
VvJMJ20
,
VvJMJ21, VvJMJ23
may participate in various hormone responses;
VvJMJ1
,
VvJMJ4
,
VvJMJ10
,
VvJMJ11
may participate in the stress response of
V. vinifera
.
Conclusions
This study initially identified the characteristics of
V. vinifera
JmjC domain-containing genes. The results established a basis for functional analyses of
VvJMJ
genes in
V. vinifera
, facilitating the exploration of the mechanisms of underlying the growth, development, and fruit maturation.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
