Plants,
Journal Year:
2025,
Volume and Issue:
14(2), P. 180 - 180
Published: Jan. 10, 2025
Plants
have
large
amounts
of
the
late
embryogenesis
abundant
protein
(LEA)
family
proteins,
which
is
involved
in
osmotic
regulation.
The
Korla
Pear
(Pyrus
sinkiangensis
Yu)
an
uncommon
pear
species
that
thrives
Xinjiang
and
can
survive
below-freezing
conditions.
We
found
PsLEA4
gene
was
more
expressed
after
cold
treatment
by
looking
at
transcriptome
data
Pear.
In
order
to
evaluate
biological
function
under
low-temperature
stress
its
potential
for
use
agricultural
breeding,
we
cloned
from
Pear,
made
a
plant
overexpression
vector,
transformed
it
into
tomato
via
Agrobacterium
transformation.
When
exposed
low
temperatures,
regulate
proline
metabolism
antioxidant
enzyme
activity
tomatoes
compared
wild
tomatoes.
Because
this,
transgenic
are
resilient
temperatures
produce
than
their
counterparts.
Thus,
expressing
has
multiple
advantages:
(1)
Improving
frost
resistance
reducing
damage.
(2)
Increasing
crop
yield.
Therefore,
this
study
provides
theoretical
basis
role
plants’
resilience
as
well
application
breeding.
Plant Stress,
Journal Year:
2024,
Volume and Issue:
13, P. 100547 - 100547
Published: July 24, 2024
The
resilience
of
plants
to
concurrent
abiotic
stresses—such
as
drought,
salinity,
extreme
temperatures,
heavy
metals,
and
elevated
CO2
levels—is
paramount
in
the
era
climate
change.
Reactive
oxygen
species
(ROS),
traditionally
perceived
mere
byproducts
metabolic
processes,
serve
a
dual
role:
crucial
signaling
molecules
that
facilitate
plant
adaptation
deleterious
agents
causing
cellular
damage
when
excessively
accumulated.
In
this
review,
we
highlighted
intricate
equilibrium
maintain
through
both
enzymatic
non-enzymatic
antioxidant
defenses
mitigate
ROS-mediated
oxidative
stress,
emphasizing
sophisticated
strategies
deploy
counteract
spectrum
combined
stresses.
Some
species,
however,
exhibit
insufficient
enhancement
their
intrinsic
counterbalance
stress-induced
ROS
accumulation
consequent
damage.
Consequently,
explored
pivotal
role
diverse
further
strengthening
defenses,
offering
profound
insights
into
bolstering
resilience.
Furthermore,
advent
genetic
engineering
technologies
unveils
novel
avenues
for
crop
improvement,
with
strategic
overexpression
genes
such
SOD,
APX,
CAT,
GPX,
DHAR,
GR,
GST
showing
immense
potential
fortifying
against
challenges
imposed
by
multiple
Future
perspectives
entail
deepening
our
understanding
molecular
mechanisms
governing
generation
scavenging,
investigating
synergistic
effects
co-expressing
genes,
elucidating
interactions
between
endogenous
hormones
exogenously
applied
molecules.
We
advocate
integrative
research
methodologies,
combining
field
experiments,
controlled
environmental
studies,
computational
modeling,
bridge
gap
laboratory
discoveries
practical
agricultural
applications.
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(1), P. 63 - 63
Published: Jan. 7, 2025
Salinity
affects
crop
growth
and
productivity,
this
stress
can
be
increased
along
with
drought
or
high
temperature
stresses
poor
irrigation
management.
Cultivation
of
salt-tolerant
crops
plays
a
critical
role
in
enhancing
yield
under
salt
stress.
In
the
past
few
decades,
mechanisms
plant
adaptation
to
have
been
described,
especially
relying
on
ionic
homeostasis,
reactive
oxygen
species
(ROS)
scavenging,
phytohormone
signaling.
The
studies
these
molecular
provided
basis
for
breeding
new
germplasm
facilitated
entry
into
era
crops.
review,
we
outline
recent
progress
regulations
underlying
tolerance,
focusing
double-edged
sword
effect
ROS,
regulatory
phytohormones,
trade-off
effects
ROS
phytohormones
between
tolerance.
A
future
challenge
is
identify
superior
alleles
key
genes
that
will
accelerate
high-yield
varieties.
New Phytologist,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
Summary
The
apoplastic
pH
(pH
Apo
)
in
plants
is
susceptible
to
environmental
stimuli.
However,
the
biological
implications
of
variation
have
remained
largely
unknown.
universal
stress
phytohormone
abscisic
acid
(ABA)
as
well
major
stimuli
drought
and
salinity
were
selected
representative
cases
investigate
how
changes
relate
plant
behaviors
Arabidopsis
.
Variations
negatively
regulated
cotyledon
greening
inhibition
hormone
ABA
or
through
action
extracellular
hydrogen
peroxide
(eH
2
O
).
Further
studies
revealed
that
an
increase
diminishes
chemical
reactivity
eH
,
effectively
functioning
‘off’
switch
for
its
oxidizing
thiols
plasma
membrane
proteins.
Consequently,
this
suppresses
‐mediated
ABA,
alongside
inhibiting
intracellular
Ca
2+
signaling.
Conversely,
a
decrease
serves
‘on’
In
summary,
crucial
messenger
signal
transduction,
notwithstanding
apparent
simplicity
underlying
mechanism.
Our
findings
provide
novel
fundamental
insight
into
significance
pH.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(3), P. 1157 - 1157
Published: Jan. 29, 2025
Low-temperature
stress,
including
chilling
and
freezing
injuries,
significantly
impacts
plant
growth
in
tropical
temperate
regions.
Plants
respond
to
cold
stress
by
activating
mechanisms
that
enhance
tolerance,
such
as
regulating
photosynthesis,
metabolism,
protein
pathways
producing
osmotic
regulators
antioxidants.
Membrane
stability
is
crucial,
with
cold-resistant
plants
exhibiting
higher
lipid
unsaturation
maintain
fluidity
normal
metabolism.
Low
temperatures
disrupt
reactive
oxygen
species
(ROS)
leading
oxidative
damage,
which
mitigated
antioxidant
defenses.
Hormonal
regulation,
involving
ABA,
auxin,
gibberellins,
others,
further
supports
adaptation.
also
manage
balance
accumulating
like
proline
sugars.
Through
complex
regulatory
pathways,
the
ICE1-CBF-COR
cascade,
optimize
gene
expression
survive
ensuring
adaptability
conditions.
This
study
reviews
recent
advancements
genetic
engineering
technologies
aimed
at
enhancing
resistance
of
agricultural
crops.
The
goal
provide
insights
for
improving
tolerance
developing
new
cold-tolerant
varieties.
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: Feb. 10, 2025
Bell
pepper
(Capsicum
annuum
L.)
is
a
commercially
important
and
nutritionally
rich
vegetable
crop
in
the
Solanaceae
family.
Alkaline
stress
(AS)
can
disrupt
growth,
metabolism,
and,
particularly,
nutritional
quality.
This
study
aims
to
evaluate
role
of
iron
oxide
nanoparticles
(FeNP)
mitigating
AS
enhancing
plant
growth
metabolic
functions
by
conducting
experiments
under
controlled
greenhouse
conditions
with
four
main
treatments:
(irrigating
plants
alkaline
salts
mixture
solution);
FeNP
(foliar
application
Fe3O4
at
100
mg
L−¹);
+
(integrated
treatment
FeNP);
CK
(control).
The
results
clearly
demonstrated
that
negatively
affects
biomass,
photosynthetic
attributes,
membrane
integrity,
carbohydrate
balance
antioxidant
system.
Additionally,
key
phenolic
flavonoid
compounds
decreased
AS,
indicating
detrimental
effect
on
plant's
secondary
metabolites.
In
contrast,
not
only
improved
attributes
but
also
enhanced
integrity
restored
balance.
restoration
was
driven
accumulation
sugars
(glucose,
fructose,
sucrose)
starch,
along
metabolism
enzymes—sucrose
phosphate
synthase
(SPS),
sucrose
(SuSy),
neutral
invertase
(NI),
vacuolar
(VI)—and
their
associated
gene
expression.
correlation
analysis
further
revealed
tight
regulation
both
enzymatic
transcript
levels
all
tissue
types,
except
for
SPS
roots.
Furthermore,
resulted
increased
phenolics
(dihydrocapsaicin,
capsaicin,
p-coumaric
acid,
sinapic
p-OH
benzoic
benzaldehyde,
ferulic
acid)
(dihydroquercetin,
naringenin,
kaempferol,
dihydrokaempferol,
quercetin)
compared
treatment,
thus
suggesting
these
metabolites
likely
contribute
stabilization
cellular
structures
membranes,
ultimately
supporting
physiological
resilience
stress.
conclusion,
demonstrate
potential
bell
against
improving