Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: March 23, 2023
Global
warming
in
this
century
increases
incidences
of
various
abiotic
stresses,
restricting
plant
growth
and
productivity
posing
a
severe
threat
to
global
food
production
security.
Different
phytohormones
are
produced
by
plants
mitigate
the
adverse
effects
these
stresses.
One
such
phytohormone
is
melatonin
(MEL),
which,
being
potential
bio-stimulator,
helps
govern
wide
array
functions
horticultural
crops.
Recent
advancements
have
determined
role
MEL
plants’
responses
enhances
physiological
as
seed
germination,
development,
seedling
growth,
root
system
architecture,
photosynthetic
efficiency.
The
function
stressful
environments
regulate
enzymatic
non-enzymatic
antioxidant
activity,
thus
playing
substantial
scavenging
reactive
oxygen
species
(ROS).
Additionally,
MEL,
regulator
aids
promoting
tolerance
stress,
mainly
through
improvements
nutrient
uptake,
osmolyte
production,
cellular
membrane
stability.
This
review,
therefore,
focuses
on
possible
induction
different
stresses
Therefore,
review
would
help
readers
learn
more
about
altered
provide
new
suggestions
how
knowledge
could
be
used
develop
stress
tolerance.
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(3)
Published: May 1, 2024
Abstract
In
recent
years,
there
has
been
an
increase
in
the
study
of
phytomelatonin.
Having
numerous
functions
animals,
melatonin
produced
by
plants
(phytomelatonin)
is
also
a
multi‐regulatory
molecule
with
great
potential
plant
physiology
and
mitigating
abiotic
stresses,
such
as
drought,
salinity,
chilling,
heat,
chemical
contamination,
UV‐radiation
stress.
This
review
highlights
primary
phytomelatonin
anti‐stress
against
We
discuss
role
master
regulator,
oxidative
stress
manager,
reactive
oxygen
species
nitrogen
defense
compounds
inducer.
Although
exist
handful
reviews
on
crosstalk
other
signaling
molecules
like
auxin,
cytokinin,
gibberellin,
abscisic
acid,
ethylene,
nitric
oxide,
jasmonic
salicylic
this
looks
at
studies
that
have
reported
few
aspects
newly
discovered
along
classical
relation
to
tolerance.
The
research
applications
hydrogen
sulfide,
strigolactones,
brassinosteroids,
polyamines
are
still
their
nascent
stage
but
hold
promising
scope
for
future.
Additionally,
states
developments
metabolism
nitrosative
plants.
Horticulturae,
Journal Year:
2022,
Volume and Issue:
8(12), P. 1142 - 1142
Published: Dec. 4, 2022
Environmental
pollution
with
organic
pollutants
has
increased
drastically
in
recent
decades.
Despite
the
importance
of
minimizing
pollutant
content
such
as
pesticide
residue
edible
crops,
our
understanding
induced
xenobiotic
metabolism
plants
is
poor.
Melatonin
a
potent
stress-relieving
biomolecule,
which
exerts
beneficial
effects
on
plants.
Exogenous
melatonin
treatment
not
only
improves
photosynthesis,
antioxidant
defense,
and
plant
growth
but
also
reduces
uptake.
The
overexpression
biosynthetic
genes
enhances
metabolism,
while
suppression
endogenous
biosynthesis
increases
horticultural
products.
Studies
have
revealed
that
glutathione-dependent
detoxification
pathway
plays
critical
role
melatonin-induced
enhanced
xenobiotics.
Moreover,
for
RESPIRATORY
BURST
HOMOLOG
(RBOH)-derived
reactive
oxygen
species
signaling
been
potentially
acts
upstream
metabolism.
Based
literature,
here,
we
reviewed
how
aids
enduring
pollutant-induced
stress.
We
discussed
potential
mechanism
Our
assessment
suggests
positive
impacts
tolerance
to
pollution,
can
be
used
improve
food
safety
crops.
Functional Plant Biology,
Journal Year:
2024,
Volume and Issue:
51(2)
Published: Feb. 4, 2024
Melatonin
is
a
naturally
occurring
biologically
active
amine
produced
by
plants,
animals
and
microbes.
This
review
explores
the
biosynthesis
of
melatonin
in
with
particular
focus
on
its
diverse
roles
Arabidopsis
thaliana
,
model
species.
affects
abiotic
biotic
stress
resistance
A.
.
Exogenous
endogenous
addressed
association
various
conditions,
including
cold
stress,
high
light
intense
heat
infection
Botrytis
cinerea
or
Pseudomonas
as
well
seed
germination
lateral
root
formation.
Furthermore,
confers
initiating
antioxidant
system,
remedying
photosynthesis
suppression,
regulating
transcription
factors
involved
(CBF,
DREB,
ZAT,
CAMTA,
WRKY33,
MYC2,
TGA)
other
stress-related
hormones
(abscisic
acid,
auxin,
ethylene,
jasmonic
acid
salicylic
acid).
article
additionally
addresses
precursors,
metabolic
components,
expression
genes
(COR
CBF
SNAT
ASMT
PIN
PR1
PDF1.2
HSFA
)
proteins
(JAZ,
NPR1)
associated
reducing
both
biological
environmental
stressors.
future
perspective
rich
agri-crops
explored
to
enhance
plant
tolerance
stresses,
maximise
crop
productivity
nutritional
worth,
which
may
help
improve
food
security.
Physiologia Plantarum,
Journal Year:
2023,
Volume and Issue:
175(5)
Published: Aug. 1, 2023
Abstract
Recognized
for
its
multifaceted
functions,
melatonin
is
a
hormone
found
in
both
animals
and
plants.
In
the
plant
kingdom,
it
plays
diverse
roles,
regulating
growth,
development,
stress
responses.
Notably,
demonstrates
significance
by
mitigating
effects
of
abiotic
stresses
like
drought.
However,
understanding
precise
regulatory
mechanisms
controlling
biosynthesis
genes,
especially
during
monocots'
response
to
stresses,
requires
further
exploration.
Seeking
understand
molecular
basis
drought
tolerance
wheat,
we
analyzed
RNA‐Seq
libraries
wheat
exposed
using
bioinformatics
methods.
light
our
findings,
identified
that
Myelocytomatosis
oncogenes
2
(MYC2)
transcription
factor
hub
gene
upstream
main
gene,
N‐acetylserotonin
methyltransferase
(
ASMT
),
response‐gene
network.
Promoter
analysis
suggested
might
be
target
MYC2.
We
conducted
set
physiochemical
assays
along
with
robust
machine
learning
approaches
elevate
those
findings
further.
MYC2
were
co‐regulated
under
Jasmonate,
drought,
combination
them
leaf
tissues
was
detected.
A
meaningful
correlation
observed
among
expression
profiles,
contents,
photosynthetic
activities,
antioxidant
enzyme
H
O
levels,
plasma
membrane
damage.
The
results
indicated
an
evident
relationship
between
jasmonic
acid
pathway.
Moreover,
seems
MYC2‐ASMT
module
contribute
contents.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(12), P. 6799 - 6799
Published: June 20, 2024
Melatonin
(MEL),
a
hormone
primarily
known
for
its
role
in
regulating
sleep
and
circadian
rhythms
animals,
has
emerged
as
multifaceted
molecule
plants.
Recent
research
shed
light
on
diverse
functions
plant
growth
defense
mechanisms.
This
review
explores
the
intricate
roles
of
MEL
responses.
is
involved
owing
to
influence
regulation.
promotes
root
elongation
lateral
formation
enhances
photosynthesis,
thereby
promoting
overall
productivity.
Additionally,
implicated
rhythm
plants,
affecting
key
physiological
processes
that
patterns.
also
exhibits
antioxidant
properties
scavenges
reactive
oxygen
species,
mitigating
oxidative
stress.
Furthermore,
it
activates
pathways
against
various
biotic
stressors.
production
secondary
metabolites
contribute
resistance
environmental
changes.
MEL’s
ability
modulate
response
abiotic
stresses
been
extensively
studied.
It
regulates
stomatal
closure,
conserves
water,
stress
tolerance
by
activating
stress-responsive
genes
modulating
signaling
pathways.
Moreover,
nitric
oxide
cooperate
responses,
defense,
growth.
Understanding
mechanisms
underlying
actions
plants
will
provide
new
insights
into
development
innovative
strategies
enhancing
crop
productivity,
improving
tolerance,
combating
diseases.
Further
this
area
deepen
our
knowledge
potential
applications
sustainable
agriculture.
