Understanding
the
complex
interactions
between
plant
hormones
and
their
corresponding
signaling
pathways
is
essential
for
enhancing
resilience
in
challenging
environments.
This
chapter
provides
an
overview
of
these
interactions,
with
a
specific
focus
on
pivotal
role
calcium
initiating
downstream
response
to
abiotic
stimuli.
Additionally,
investigates
interplay
examines
various
functions
hormones,
such
as
abscisic
acid
(ABA),
jasmonic
(JA),
ethylene,
growth,
development,
defense
against
stress.
It
emphasizes
crosstalk
hormonal
other
molecules
within
stress-signaling
networks.
The
insights
presented
this
contribute
formulation
strategies
improving
productivity.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(8), P. 7447 - 7447
Published: April 18, 2023
Increasing
food
demand
by
the
growing
human
population
and
declining
crop
productivity
due
to
climate
change
affect
global
security.
To
meet
challenges,
developing
improved
crops
that
can
tolerate
abiotic
stresses
is
a
priority.
Melatonin
in
plants,
also
known
as
phytomelatonin,
an
active
component
of
various
cellular
mechanisms
alleviates
oxidative
damage
hence
supporting
plant
survive
stress
conditions.
Exogenous
melatonin
strengthens
this
defence
mechanism
enhancing
detoxification
reactive
by-products,
promoting
physiological
activities,
upregulating
stress-responsive
genes
alleviate
during
stress.
In
addition
its
well-known
antioxidant
activity,
protects
against
regulating
hormones,
activating
ER
genes,
increasing
protein
homoeostasis,
heat
shock
transcription
factors
proteins.
Under
stress,
enhances
unfolded
response,
endoplasmic
reticulum-associated
degradation,
autophagy,
which
ultimately
protect
cells
from
programmed
cell
death
promotes
repair
resulting
increased
survival.
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.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(1), P. 734 - 734
Published: Jan. 1, 2023
Melatonin
(MT)
is
a
phytohormone-like
substance
and
profoundly
involved
in
modulating
nearly
all
aspects
of
plant
development
acclimation
to
environmental
stressors.
However,
there
remain
no
studies
about
the
effects
MT
on
tomato
seed
germination
under
salt
stress.
Here
we
reported
that
overexpression
caffeic
acid
O-methyltransferase
1
(SlCOMT1)
significantly
increased
both
content
tolerance
germinated
seeds
transgenic
relative
wild
type
(WT)
samples.
Physiological
investigation
showed
higher
amylase
activity
stressed
than
WT,
leading
promoted
starch
decomposition
enhanced
soluble
sugar
content.
The
stimulated
production
osmolytes
activities
SOD,
POD,
CAT,
together
with
significant
reduction
H2O2
O2·-
accumulation,
were
revealed
largely
accounting
for
their
lower
membrane
lipid
peroxidation.
qPCR
assay
that,
upon
stress,
transcript
abundance
hub
genes
related
(SlCYP707A1,
SlABA1,
SlGA3ox2
SlGA2ox4)
stress
(SlCDPK1,
SlWRKY33
SlMAPK1)
distinctly
altered
samples
when
compared
providing
molecular
basis
MT-mediated
improvement
tolerance.
Altogether,
our
observations
shed
new
insights
into
biological
functions
SlCOMT1
could
expand
its
utilization
genetic
future.
