Deleted Journal,
Journal Year:
2025,
Volume and Issue:
77(2)
Published: March 7, 2025
Nanoparticles
(NPs)
have
shown
promising
potential
to
improve
plant
resilience
against
various
abiotic
stresses
like
drought,
salinity,
heat,
cold
etc.
by
modulating
key
phytohormonal
pathways.
While
previous
studies
explored
the
efficacy
of
different
NPs
in
alleviating
individual
stresses,
a
critical
analysis
summarizing
current
understanding
NPs-phytohormone
interconnections
is
lacking.
This
review
comprehensively
surveys
recent
advances
elucidating
crosstalk
between
and
major
hormones
abscisic
acid,
auxins,
salicylic
jasmonic
cytokinins,
ethylene,
strigolactones
brassinosteroids
involved
stress
responses.
Both
biogenic
chemically
engineered
are
covered.
The
mechanisms
underlying
NP-triggered
phytohormone
signature
changes
discussed.
Critical
knowledge
gaps
such
as
lack
field
scale
evaluations
identified.
Finally,
future
prospects
include
molecular
more
deeply
using
multi-omics
approaches,
evaluation
under
conditions
diverse
environmental
contexts
genotypes,
long-term
risk
assessments,
development
targeted
multi-component
NP
formulations.
assimilates
status
outlook
emerging
NP-phytohormone
interplay
engineering
for
sustainable
agriculture
solutions.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
15
Published: May 14, 2024
This
article
discusses
data
showing
that
mammals,
including
humans,
have
two
sources
of
melatonin
exhibit
different
functions.
The
best-known
source
melatonin,
herein
referred
to
as
Source
#1,
is
the
pineal
gland.
In
this
organ,
production
circadian
with
maximal
synthesis
and
release
into
blood
cerebrospinal
fluid
occurring
during
night.
Of
total
amount
produced
in
we
speculate
less
than
5%
synthesized
by
rhythm
has
primary
function
influencing
clock
at
level
suprachiasmatic
nucleus
(the
CSF
melatonin)
clockwork
all
peripheral
organs
via
receptor-mediated
actions.
A
second
(Source
#
2)
from
multiple
tissues
throughout
body,
probably
being
mitochondria
these
cells.
constitutes
bulk
mammals
concerned
metabolic
regulation.
review
emphasizes
action
determining
re-dox
homeostasis,
but
it
other
critical
effects
well.
Extrapineal
does
not
a
released
acts
locally
its
cell
origin
possibly
paracrine
matter
on
adjacent
factors
control/influence
extrapineal
sites
are
unknown.
We
propose
concentration
cells
determined
subcellular
redox
state
may
be
inducible
under
stressful
conditions
plant
Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(2), P. 156 - 156
Published: Feb. 7, 2024
In
recent
years,
the
progressive
escalation
of
climate
change
scenarios
has
emerged
as
a
significant
global
concern.
The
threat
to
food
security
posed
by
abiotic
stresses
such
drought,
salinity,
waterlogging,
temperature
stress
(heat
stress,
freezing,
and
chilling),
high
heavy
metal
accumulation
is
substantial.
implementation
any
these
on
agricultural
land
induces
modifications
in
morphological,
biochemical,
physiological
processes
plants,
leading
diminished
rates
germination,
growth,
photosynthesis,
respiration,
hormone
enzyme
activity
disruption,
heightened
oxidative
ultimately,
reduction
crop
productivity.
It
anticipated
that
frequency
will
progressively
escalate
future
result
rise
events.
Therefore,
it
crucial
develop
productive
strategies
mitigate
adverse
effects
challenges
agriculture
industry
improve
resilience
yield.
Diverse
have
been
implemented,
including
development
cultivars
are
resistant
through
application
both
conventional
modern
breeding
techniques.
An
additional
prospective
emerging
technology
speed
acceleration
tolerance
cultivar
development.
Additionally,
plant
growth
regulators,
osmoprotectants,
nutrient
water
management,
planting
time,
seed
priming,
microbial
treatment,
arbuscular
mycorrhiza
regarded
effective
methods
for
mitigating
stresses.
biochar,
kaolin,
chitosan,
superabsorbent,
yeast
extract,
seaweed
extract
examples
promising
environmentally
benign
agronomic
techniques
shown
crops;
however,
their
exact
mechanisms
still
not
yet
fully
understood.
Hence,
collaboration
among
researchers
should
be
intensified
elucidate
involved
action
technologies.
This
review
provides
comprehensive
current
compilation
scientific
information
trends,
along
with
innovative
enhance
productivity
under
conditions.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 10, 2025
Melatonin
significantly
enhances
the
tolerance
of
plants
to
biotic
and
abiotic
stress,
plays
an
important
role
in
plant
resistance
salt
stress.
However,
its
molecular
mechanisms
eggplant
stress
have
been
rarely
reported.
In
previous
studies,
we
experimentally
demonstrated
that
melatonin
can
enhance
eggplants.
this
study,
treated
salt-stressed
with
a
control
treatment
water,
then
conducted
physiological
biochemical
tests,
transcriptomic
metabolomic
sequencing,
RT-qPCR
validation
at
different
stages
after
treatment.
The
results
showed
exogenous
alleviate
adverse
effects
on
by
increasing
activity
antioxidant
enzymes,
reducing
content
reactive
oxygen
species
plants,
organic
osmoprotectants.
Transcriptomic
data,
as
well
combined
analysis,
indicate
activate
metabolic
pathways
Compared
genes
α-linolenic
acid
metabolism
pathway
promote
accumulation
metabolites
pathway,
significant
observed
48
hours
treatment,
activates
expression
such
SmePLA2,
SmeLOXs
SmeOPR
et
al.
α-Linolenic
acid,
(9R,13R)-12-oxophytodienoic
9(S)-HpOTrE
(+)-7-iso-Jasmonic
acid.
validated
activating
effect
candidate
a-linolenic
pathway.
This
study
analyzed
mechanism
alleviating
providing
theoretical
foundation
for
application
enhancing
production.
Journal of Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: May 17, 2024
Abstract
Background
Nanoplastics,
are
emerging
pollutants,
present
a
potential
hazard
to
food
security
and
human
health.
Titanium
dioxide
nanoparticles
(Nano-TiO
2
),
serving
as
nano-fertilizer
in
agriculture,
may
be
important
alleviating
polystyrene
nanoplastics
(PSNPs)
toxicity.
Results
Here,
we
performed
transcriptomic,
metabolomic
physiological
analyzes
identify
the
role
of
Nano-TiO
regulating
metabolic
processes
PSNPs-stressed
maize
seedlings
(
Zea
mays
L.).
The
growth
inhibition
by
PSNPs
stress
was
partially
relieved
.
Furthermore,
when
considering
outcomes
obtained
from
RNA-seq,
enzyme
activity,
metabolite
content
analyses,
it
becomes
evident
that
significantly
enhance
carbon
nitrogen
metabolism
levels
plants.
In
comparison
plants
were
not
subjected
,
exposed
exhibited
enhanced
capabilities
maintaining
higher
rates
photosynthesis,
sucrose
synthesis,
assimilation,
protein
synthesis
under
stressful
conditions.
Meanwhile,
alleviated
oxidative
damage
modulating
antioxidant
systems.
Interestingly,
also
found
endogenous
melatonin
seedlings.
P
-chlorophenylalanine
p
-CPA,
inhibitor)
declined
-induced
tolerance.
Conclusions
Taken
together,
our
data
show
is
involved
promotion
through
regulation
metabolism.
Graphical
Plant Stress,
Journal Year:
2024,
Volume and Issue:
11, P. 100410 - 100410
Published: Feb. 24, 2024
Melatonin
is
a
hormone-like
substance
that
serves
as
secondary
metabolite
associated
with
variety
of
physiological,
hormonal,
and
natural
processes
at
the
cell,
tissue,
organ
levels.
It
acts
plant
biostimulant
increase
tolerance
against
abiotic
stresses
like
ssalinity,
drought,
heat,
cold
heavy
metals.
in
plants,
also
called
phytomelatonin,
participating
cellular
mechanisms
ameliorates
oxidative
toxicity,
hence
helps
to
stand
stress
conditions.
These
exclusive
properties
strengthen
defense
capacity
by
stimulating
detoxification
reactive
oxygen
species
(ROS),
promoting
physiological
attributes,
activation
stress-responsive
genes
ameliorate
toxicity
caused
stress.
As
key
molecule,
it
exhibits
several
important
molecular
interactions
nitric
oxide
(NO),
calcium
(Ca2+),
hydrogen
peroxide
(H2O2)
sulfide
(H2S).
In
this
review
article,
we
discuss
salient
role
melatonin
morphological
adaptation
well
its
involvement
mitigation.
Besides,
under
stress,
interaction
NO,
Ca2+,
H2O2,
H2S
has
been
demonstrated.
This
study
will
provide
reference
for
elucidating
regulatory
mechanism
influencing
resistance
plants.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(6), P. 3550 - 3550
Published: March 21, 2024
Melatonin
is
a
ubiquitous
regulator
in
plants
and
performs
variety
of
physiological
roles,
including
resistance
to
abiotic
stress,
regulation
growth
development,
enhancement
plant
immunity.
exhibits
the
characteristics
phytohormone
with
its
pleiotropic
effects,
biosynthesis,
conjugation,
catabolism,
effective
concentration,
shape
location
dose-response
curves.
In
addition,
CAND2/PMTR1,
phytomelatonin
receptor
candidate
belonging
G
protein-coupled
receptors
(GPCRs),
supports
concept
melatonin
as
phytohormone.
However,
biochemistry
needs
be
further
characterized.
particular,
some
experimental
findings
date
cannot
explained
by
known
GPCR
signaling
mechanisms,
so
studies
are
needed
explore
possibility
novel
mechanisms.
International Journal of Phytoremediation,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 16
Published: Jan. 6, 2025
Chickpea
(Cicer
arietinum
L.)
productivity
is
hindered
by
biotic
and
abiotic
stresses,
particularly
heavy
metal
toxicity.
The
pot
experiment
was
carried
out
at
the
botanical
garden
of
Islamia
University
Bahawalpur,
Bahawalpur-Pakistan.
experimental
treatments
comprised
following
details:
T0
=
Control
+
0
µM
MT,
T1
15
T2=
30
T3
100
Cd
T4
MT
T5
MT.
A
completely
randomized
design
(CRD)
with
three
replicates
used.
stress
significantly
reduced
shoot
fresh
(51.3%)
dry
weight
(50.4%),
total
chlorophyll
(53.6%),
Ca2+
(56.6%).
However,
it
increased
proline
(38.3%),
phenolics
(74.2%),
glycine
betaine
(46.4%),
TSS
(67.7%),
TSP
(50%),
SOD
(49.5%),
POD
(107%),
CAT
(74.2%).
Conversely,
improved
(78.5%)
(76%),
(47%),
(26.5%),
(35.8%),
(27.8%),
(19%),
(24.5%),
(25.8%),
Results
indicated
that
enhanced
photosynthetic
pigments
antioxidant
activities,
maintained
ion
homeostasis,
reduces
reactive
oxygen
species.
Desi
variety
performed
better
than
Kabuli,
application
effectively
mitigated
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 20, 2025
Abiotic
stresses
are
considered
as
a
significant
factor
restricting
horticultural
crop
productivity
and
quality.
Drought
stress
is
major
environmental
constraint
among
the
emerging
concerns.
Plants
have
susceptibility
to
drought
stress,
resulting
in
marked
decline
production
during
last
several
decades.
The
development
of
effective
strategies
mitigate
essential
for
sustainable
agriculture
food
security,
especially
considering
continuous
growth
world
population.
Several
studies
suggested
that
exogenous
application
phytohormone
plants
can
improve
tolerance
by
activating
molecular
physiological
defense
systems.
Phytohormone
pretreatment
potential
approach
alleviating
plants.
In
addition,
melatonin,
salicylic
acid,
jasmonates,
strigolactones,
brassinosteroids,
gamma-aminobutyric
acid
phytohormones
function
regulators
effects
stress.
These
hormones
frequently
interact
with
one
another
survival
drought-stressed
environments.
To
sum
up,
this
review
will
predominantly
elucidate
role
related
mechanisms
across
various
horticulture
species.
