Ellagic acid alleviates aluminum and/or drought stress through morpho-physiochemical adjustments and stress-related gene expression in Zea mays L
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
31(49), С. 59521 - 59532
Опубликована: Окт. 2, 2024
Язык: Английский
Strigolactone modulates phenolic acid accumulation and thereby improves tolerance to UV-B stress in Rhododendron chrysanthum Pall.
Xiangru Zhou,
Kun Cao,
Jiao Meng
и другие.
Plant Cell Reports,
Год журнала:
2024,
Номер
44(1)
Опубликована: Дек. 6, 2024
Язык: Английский
The Molecular Mechanism Regulating Flavonoid Production in Rhododendron chrysanthum Pall. Against UV-B Damage Is Mediated by RcTRP5
Fushuai Gong,
Jiao Meng,
Hongwei Xu
и другие.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(24), С. 13383 - 13383
Опубликована: Дек. 13, 2024
Elevated
levels
of
reactive
oxygen
species
(ROS)
are
caused
by
ultraviolet
B
radiation
(UV-B)
stress.
In
response,
plants
strengthen
their
cell
membranes,
impeding
photosynthesis.
Additionally,
UV-B
stress
initiates
oxidative
within
the
antioxidant
defense
system
and
alters
secondary
metabolism,
particularly
increasing
quantity
UV-absorbing
compounds
such
as
flavonoids.
The
v-myb
avian
myeloblastosis
viral
oncogene
homolog
(MYB)
transcription
factor
(TF)
may
participate
in
a
plant’s
response
to
damage
through
its
regulation
flavonoid
biosynthesis.
this
study,
we
discovered
that
photosynthetic
activity
Rhododendron
chrysanthum
Pall.
(R.
chrysanthum)
decreased
when
assessing
parameters
chlorophyll
(PSII)
fluorescence
under
Concurrently,
enzyme
expression
increased
exposure.
A
multi-omics
data
analysis
revealed
acetylation
at
K68
site
RcTRP5
(telomeric
repeat
binding
protein
Pall.)
was
upregulated.
This
modification
activates
system,
leading
elevated
peroxidase
(POD),
superoxide
dismutase
(SOD),
catalase
(CAT).
Upregulation
is
also
observed
K95
chalcone
isomerase
(CHI)
K178
anthocyanidin
synthase
(ANS)
enzyme.
We
hypothesize
influences
modifications
CHI
ANS
biosynthesis,
thereby
indirectly
regulating
production.
study
demonstrates
R.
can
be
protected
from
accumulating
could
serve
useful
strategy
for
enhancing
content
provide
valuable
reference
research
on
metabolic
mechanisms
other
substances.
Язык: Английский
Regulatory Mechanism of Exogenous ABA on Gibberellin Signaling and Antioxidant Responses in Rhododendron chrysanthum Pall. Under UV-B Stress
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(24), С. 13651 - 13651
Опубликована: Дек. 20, 2024
In
the
present
work,
we
examined
effects
of
exogenous
abscisic
acid
(ABA)
under
ultraviolet
B
(UV-B)
exposure
on
gibberellin
(GA)
production,
signaling,
and
antioxidant-related
genes
in
Rhododendron
chrysanthum
Pall
(R.
chrysanthum).
Using
transcriptomics,
acetylated
proteomics,
widely
targeted
metabolomics,
UV-B
stress
R.
regulatory
ABA
it
were
revealed
from
multiple
perspectives.
The
findings
that
chrysanthum's
antioxidant
enzyme
differentially
expressed
by
radiation
substantially
enriched
glutathione
metabolic
pathway.
Exogenous
supplementation
boosted
plant
resistance
to
damage
further
enhanced
expression
genes.
Furthermore,
stress,
reductase,
peroxidase,
L-ascorbate
peroxidase
found
be
primary
enzymes
controlled
ABA.
addition,
content
was
altered
due
treatments,
with
greater
GA3
GA53.
acetylation
proteomics
study's
outcomes
disclosed
three
main
oxidative
enzymes'
modifications
dramatically
changed
during
exposure,
which
may
have
an
impact
functions
activities.
protective
photosynthetic
system
established
measuring
parameters
chlorophyll
fluorescence.
This
research
offers
a
theoretical
foundation
for
development
breeding
highly
resistant
varieties
as
well
fresh
insights
into
how
hormone
levels
systems
are
regulated
plants
response
damage.
Язык: Английский