New plant protection.,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
Abstract
Reactive
oxygen
species
(ROS)
serve
as
crucial
signaling
molecules
in
plants,
enabling
rapid
responses
to
environmental
stresses
such
abiotic
factors.
ROS
production
primarily
stems
from
the
activation
of
enzymes
nicotinamide
adenine
dinucleotide
phosphate
(NADPH)
oxidases
and
peroxidases,
well
disruptions
respiratory
photosynthetic
electron
transport
chains.
This
oxidative
stress
triggers
pathways
that
involve
calcium
ion
(Ca
2+
)
influx
across
cell
membranes,
altering
ionic
conductance.
encompass
hydroxyl
radicals
(OH•)
hydrogen
peroxide
(H
2
O
),
which
activate
hyperpolarization‐activated
Ca
channels
influence
dynamics.
Our
review
focuses
on
mechanisms
driving
generation
during
plant
stress.
We
explore
regulation,
characteristics,
potential
structures
ROS‐activated
plants.
Specifically,
we
examine
molecular
evolutionary
adaptations
Shaker‐type
K
+
(AKT/KAT/GORK/SKOR)
under
conditions.
Comparative
genetic
analyses
highlight
conservation
these
other
ROS‐regulated
proteins
(e.g.,
MDHAR,
POX,
RBOH),
suggesting
their
essential
roles
adapt
diverse
stresses.
study
underscores
significance
responses,
advocating
for
further
research
elucidate
fundamental
roles.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(1), P. 360 - 360
Published: Jan. 3, 2025
Light
is
a
vital
regulator
of
photosynthesis,
energy
production,
plant
growth,
and
morphogenesis.
Although
these
key
physiological
processes
are
well
understood,
the
effects
light
quality
on
pigment
content,
oxidative
stress,
reactive
oxygen
species
(ROS)
antioxidant
defense
systems,
biomass
yield
plants
remain
largely
unexplored.
In
this
study,
we
applied
different
light-emitting
diode
(LED)
treatments,
including
white
light,
red
blue
red+blue
(1:1)
combination,
to
evaluate
traits
mentioned
above
in
alfalfa
(Medicago
sativa
L.).
Fluorescence
staining
showed
that
significantly
triggered
stress
indicators
compared
while
combined
treatment
reduced
ROS
(O2•−,
H2O2)
intensity
seedlings.
Interestingly,
boosted
seed
germination
rate
(%),
maximum
photochemical
quantum
PSII
(Fv/Fm),
leaf
greenness
(SPAD
score),
photosynthetic
levels
(chlorophyll
a,
chlorophyll
b,
carotenoids),
The
and/or
(red+blue)
treatments
regulated
enzymes
(SOD,
CAT,
APX,
GR)
expression
genes
related
ascorbate–glutathione
(AsA-GSH)
pathway,
monodehydroascorbate
reductase
(MsMDHAR),
dehydroascorbate
(MsDHAR),
ascorbate
peroxidase
(MsAPX),
glutathione
(MsGR).
These
results
indicate
crucial
for
regulating
morphological,
physiological,
molecular
linked
improvement.
findings
suggest
new
approach
enhancing
adaptation,
as
morphological
agronomic
yield,
forage
legumes
through
light-quality-mediated
Plants,
Journal Year:
2024,
Volume and Issue:
13(19), P. 2774 - 2774
Published: Oct. 3, 2024
Light
is
crucial
for
higher
plants,
driving
photosynthesis
and
serving
as
a
powerful
sensory
signal
that
profoundly
modulates
growth,
development,
physiological
functions,
hormone
activation,
biochemical
pathways.
Various
light
parameters—quality,
intensity,
composition,
photoperiod—exert
tremendous
influence
on
plant
growth
particularly
in
industrial
hemp
(Cannabis
sativa
L.).
C.
sativa,
crop
of
historical
significance
unparalleled
versatility,
holds
immense
value
the
food,
fiber,
medicinal
industries.
The
cultivation
cannabis
burgeoning
controlled
environments
due
to
evolving
healthcare
regulations.
Optimal
conditions
significantly
enhance
both
yield
harvest
quality,
notably
increasing
density
apical
inflorescences
ratio
inflorescence
total
aboveground
biomass.
metabolites,
especially
phenolic
terpene
compounds
Phytocannabinoids
like
CBD
(cannabidiol),
THC
(tetrahydrocannabinol),
CBG
(cannabigerol),
possess
value.
Secondary
metabolites
predominantly
accumulate
trichomes
female
flowers
surrounding
sugar
leaves,
underscoring
critical
need
boost
weight
metabolite
concentrations
while
ensuring
product
consistency.
Different
parameters
distinctly
impact
sativa’s
metabolic
profile,
providing
robust
foundation
understanding
optimal
synthesizing
specific
secondary
metabolites.
While
effects
measurement
various
crops
are
well-established,
scientific
evidence
specifically
relating
quality
morphology
accumulation
remains
scarce.
In
this
review,
we
critically
summarized
how
different
properties
can
alter
(vegetative
reproductive),
physiology
metabolism.
Furthermore,
mechanisms
by
which
wavelengths
biosynthesis
not
fully
elucidated,
could
be
prospective
task
future
researchers.
Our
review
paves
way
profound
light’s
advancements
greenhouse
settings
maximize
production
commercial
use.
Folia oecologica,
Journal Year:
2025,
Volume and Issue:
52(1), P. 34 - 41
Published: Jan. 1, 2025
Abstract
The
date
palm
is
one
of
the
plants
whose
growth
being
affected
by
global
warming
through
harmful
wavelengths
UV
radiation.
protective
role
salicylic
acid
(SA)
and
ascorbic
(AsA)
at
physiological
(100
200
mg
l
–1
)
levels
was
assessed
under
UV-B
(8
hrs
day
stress
in
development
adaptation
seedlings.
Three
months
after
treatment
with
different
concentrations
SA
AsA,
their
effects
on
criteria,
pigment
content,
oxidation
markers,
enzyme
antioxidant
activities
were
studied.
Results
revealed
that
both
AsA
increased
seedling
height,
leaf
width,
dry
weight,
decreased
level
malondialdehyde
hydrogen
peroxide,
membrane
stability,
thereby
alleviating
oxidant
injury.
Furthermore,
enzymes
such
as
peroxidase
ascorbate
have
been
upregulated,
enhancing
seedlings’
tolerance
against
stress.
results
suggest
foliar
application
could
be
an
efficient
way
to
alleviate
radiation
damage
young
plants,
therefore
providing
a
possible
approach
improving
crop
resilience
increasingly
harsh
environmental
conditions.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: March 27, 2025
Ethylene
response
factors
(ERFs)
are
transcription
that
essential
in
modulating
drought
stress
responses
plants
such
as
Arabidopsis
and
rice.
However,
the
functional
role
of
ERF
wheat
remains
unclear.
We
identified
33
genes
under
using
transcriptomic
analysis
categorized
them
into
eight
subfamilies
(I–VIII).
Among
them,
12
drought-responsive
candidate
were
upregulated,
TaERF13-2B
was
selected
for
further
analysis.
overexpression
resulted
significantly
reduced
survival
rates
conditions
with
decreased
expression
stress-responsive
antioxidant
enzyme
genes,
indicating
gene
elevated
sensitivity
transgenic
.
In
wheat,
increased
malondialdehyde
accumulation,
chlorophyll
proline
levels,
activity.
Furthermore,
antioxidant-related
suppressed,
suggesting
negatively
regulates
to
stress.
The
interactions
between
TaCIPK9
confirmed
yeast
two-hybrid
bimolecular
fluorescence
complementation.
Overall,
these
discoveries
deepen
our
insights
family
contribute
elucidation
wheat.