Identification and characteristics of differentially expressed genes under UV-B stress in Gossypium hirsutum
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 15, 2025
This
study
aimed
to
screen
the
differentially
expressed
genes
(DEGs)
of
Gossypium
hirsutum
under
UV-B
stress
and
identify
significant
pathways
based
on
gene
enrichment
analysis
results.
In
this
study,
allotetraploid
crop
G.
was
used
examine
changes
in
various
physiological
indexes
stress,
screened
out
all
DEGs
(16
kJ
m-2
d-1)
six
leaf
transcriptomes.
The
main
were
analyzed
according
annotation.
Finally,
we
predicted
regulatory
phenylpropanoid
pathway
by
co-expression
network
analysis,
selected
GhMYB4
for
verification.
Gene
annotation
revealed
that
predominantly
enriched
related
photosynthesis
secondary
metabolism.
Further
impaired
mainly
damaging
photosystem
II
(PSII)
inhibiting
electron
transport,
whereas
responded
synthesizing
metabolites
such
as
anthocyanins
lignin.
We
It
found
be
an
anthocyanin
negative
regulator
response
stress.
Язык: Английский
Integrating Transcriptomics and Metabolomics to Comprehensively Analyze Phytohormone Regulatory Mechanisms in Rhododendron chrysanthum Pall. Under UV-B Radiation
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(4), С. 1545 - 1545
Опубликована: Фев. 12, 2025
In
order
to
fully
elucidate
the
roles
and
systems
of
phytohormones
in
UV-B
radiation
(UV-B)
leaves
Rhododendron
chrysanthum
Pall.
(R.
chrysanthum),
we
conducted
a
comprehensive
analysis
how
R.
protects
itself
against
using
transcriptomic
metabolomic
data.
Transcript
metabolite
profiles
were
generated
by
combination
deep
sequencing
LC-MS/MS
(liquid
chromatography-tandem
mass
spectrometry),
respectively.
Combined
with
physiological
biochemical
assays,
studied
compound
accumulation,
biosynthesis
expression
signaling
genes
seven
hormones
effects
on
plant
photosynthesis.
The
findings
indicate
that
during
leaf
defense
UV-B,
photosynthesis
declined,
photosynthetic
system
was
impaired
concentration
salicylic
acid
(SA)
increased,
whereas
contents
cytokinin
(CK),
abscisic
(ABA),
ethylene,
auxin,
jasmonic
(JA)
gibberellins
(GAs)
continued
decrease.
Finally,
correlation
tests
between
hormone
content
analyzed,
closely
related
resistance
identified
pathways.
These
results
will
expand
our
understanding
hormonal
regulatory
mechanisms
at
same
time
lay
foundation
for
adversity
stress.
Язык: Английский
Genome-Wide Identification of GLK Family Genes in Phoebe bournei and Their Transcriptional Analysis Under Abiotic Stresses
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(6), С. 2387 - 2387
Опубликована: Март 7, 2025
GOLDEN2-LIKE
(GLK)
transcription
factors
are
crucial
regulators
of
chloroplast
development
and
stress
responses
in
plants.
In
this
study,
we
investigated
the
GLK
gene
family
Phoebe
bournei
(Hemsl.)
Yen
C.
Yang,
a
near-threatened
species
important
for
forestry
wood
utilization
China.
We
identified
61
PbGLK
genes
which
were
classified
into
seven
subfamilies.
Our
analyses
their
phylogenetic
relationships,
structures,
chromosomal
distribution
revealed
diverse
characteristics.
Expression
profiling
under
different
tissues
abiotic
stresses
showed
that
PbGLK25
PbGLK30
particularly
responsive
to
drought,
heat,
light,
shade
stresses,
with
significant
upregulation.
These
findings
highlight
potential
role
adaptation
provide
insights
genetic
improvement
P.
bournei.
Язык: Английский