International Journal of Molecular Sciences,
Journal Year:
2019,
Volume and Issue:
20(24), P. 6200 - 6200
Published: Dec. 9, 2019
Melatonin,
an
amine
hormone
highly
conserved
during
evolution,
has
a
wide
range
of
physiological
functions
in
animals
and
plants.
It
is
involved
plant
growth,
development,
maturation,
aging,
also
helps
ameliorate
various
types
abiotic
biotic
stresses,
including
salt,
drought,
heavy
metals,
pathogens.
Melatonin-related
growth
defense
responses
plants
are
complex,
involve
many
signaling
molecules.
Among
these,
the
most
important
one
nitric
oxide
(NO),
freely
diffusing
amphiphilic
biomolecule
that
can
easily
cross
cell
membrane,
produce
rapid
signal
responses,
participate
variety
reactions.
NO-induced
S-nitrosylation
responses.
NO
interacts
with
melatonin
as
long-range
molecule,
regulate
maintain
oxidative
homeostasis.
Exposure
to
stresses
causes
increase
endogenous
levels,
consequent
up-regulation
synthesis
genes,
further
content.
The
application
exogenous
defense-related
transcription
factors,
resulting
enhanced
stress
resistance.
When
infected
by
pathogenic
bacteria,
acts
downstream
lead
increased
which
turn
induces
mitogen-activated
protein
kinase
(MAPK)
cascade
associated
promote
sugar
glycerol
production,
leading
levels
salicylic
acid
NO.
Melatonin
function
cooperatively
lateral
root
delay
iron
deficiency.
Further
studies
needed
clarify
certain
aspects
melatonin/NO
relationship
physiology.
Journal of Integrative Plant Biology,
Journal Year:
2020,
Volume and Issue:
63(1), P. 180 - 209
Published: Dec. 16, 2020
Abstract
Phenylpropanoid
metabolism
is
one
of
the
most
important
metabolisms
in
plants,
yielding
more
than
8,000
metabolites
contributing
to
plant
development
and
plant–environment
interplay.
materialized
during
evolution
early
freshwater
algae
that
were
initiating
terrestrialization
land
plants
have
evolved
multiple
branches
this
pathway,
which
give
rise
including
lignin,
flavonoids,
lignans,
phenylpropanoid
esters,
hydroxycinnamic
acid
amides,
sporopollenin.
Recent
studies
revealed
many
factors
participate
regulation
metabolism,
modulate
homeostasis
when
undergo
successive
developmental
processes
are
subjected
stressful
environments.
In
review,
we
summarize
recent
progress
on
elucidating
contribution
coordination
interaction,
metabolic
flux
redirection
among
diverse
routes.
addition,
our
review
focuses
at
transcriptional,
post‐transcriptional,
post‐translational,
epigenetic
levels,
response
phytohormones
biotic
abiotic
stresses.
Journal of Integrative Plant Biology,
Journal Year:
2020,
Volume and Issue:
63(1), P. 126 - 145
Published: July 17, 2020
Melatonin
is
a
pleiotropic
molecule
with
multiple
functions
in
plants.
Since
the
discovery
of
melatonin
plants,
numerous
studies
have
provided
insight
into
biosynthesis,
catabolism,
and
physiological
biochemical
this
important
molecule.
Here,
we
describe
biosynthesis
from
tryptophan,
as
well
its
various
degradation
pathways
The
identification
putative
receptor
plants
has
led
to
hypothesis
that
hormone
involved
regulating
plant
growth,
aerial
organ
development,
root
morphology,
floral
transition.
universal
antioxidant
activity
role
preserving
chlorophyll
might
explain
anti-senescence
capacity
aging
leaves.
An
impressive
amount
research
focused
on
modulating
postharvest
fruit
ripening
by
expression
ethylene-related
genes.
Recent
evidence
also
indicated
plant's
response
biotic
stress,
cooperating
other
phytohormones
well-known
molecules
such
reactive
oxygen
species
nitric
oxide.
Finally,
great
progress
been
made
towards
understanding
how
alleviates
effects
abiotic
stresses,
including
salt,
drought,
extreme
temperature,
heavy
metal
stress.
Given
diverse
roles,
propose
master
regulator
Journal of Experimental Botany,
Journal Year:
2022,
Volume and Issue:
73(17), P. 5779 - 5800
Published: Jan. 12, 2022
Phytomelatonin,
a
multifunctional
molecule
that
has
been
found
to
be
present
in
all
plants
examined
date,
an
important
role
as
modulatory
agent
(a
biostimulator)
improves
plant
tolerance
both
biotic
and
abiotic
stress.
We
review
of
phytomelatonin
considers
its
roles
metabolism
particular
interactions
with
hormone
network.
In
the
primary
plants,
melatonin
rate
efficiency
photosynthesis,
well
related
factors
such
stomatal
conductance,
intercellular
CO2,
Rubisco
activity.
It
also
shown
down-regulate
some
senescence
transcription
factors.
Melatonin
up-regulates
many
enzyme
transcripts
carbohydrates
(including
sucrose
starch),
amino
acids,
lipid
metabolism,
optimizing
N,
P,
S
uptake.
With
respect
secondary
clear
increases
polyphenol,
glucosinolate,
terpenoid,
alkaloid
contents
have
described
numerous
melatonin-treated
plants.
Generally,
most
genes
these
biosynthesis
pathways
up-regulated
by
melatonin.
The
great
regulatory
capacity
is
result
control
redox
networks.
acts
master
regulator,
up-/down-regulating
different
levels
signalling,
key
player
homeostasis.
counteract
diverse
critical
situations
pathogen
infections
stresses,
provide
varying
degrees
tolerance.
propose
possible
future
applications
for
crop
improvement
post-harvest
product
preservation.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: April 21, 2023
Cotton
is
widely
grown
in
many
countries
around
the
world
due
to
huge
economic
value
of
total
natural
fiber.
Verticillium
wilt,
caused
by
soil-borne
pathogen
dahliae
,
most
devastating
disease
that
led
extensive
yield
losses
and
fiber
quality
reduction
cotton
crops.
Developing
resistant
varieties
through
genetic
engineering
an
effective,
economical,
durable
strategy
control
wilt.
However,
there
are
few
resistance
gene
resources
currently
planted
varieties,
which
has
brought
great
challenges
difficulties
for
breeding
engineering.
Further
revealing
molecular
mechanism
between
V.
interaction
crucial
discovering
genes
related
resistance.
In
this
review,
we
elaborated
on
pathogenic
evolved
complex
mechanisms
achieve
pathogenicity
cotton,
mainly
including
five
aspects:
(1)
germination
growth
microsclerotia;
(2)
infection
successful
colonization;
(3)
adaptation
nutrient-deficient
environment
competition
nutrients;
(4)
suppression
manipulation
immune
responses;
(5)
rapid
reproduction
secretion
toxins.
multiple
physiological
biochemical
responses
cope
with
infection,
modification
tissue
structures,
accumulation
antifungal
substances,
homeostasis
reactive
oxygen
species
(ROS),
induction
Ca
2+
signaling,
mitogen-activated
protein
kinase
(MAPK)
cascades,
hormone
PAMPs/effectors-triggered
response
(PTI/ETI).
This
review
will
provide
important
reference
new
germplasm
wilt
Redox Biology,
Journal Year:
2023,
Volume and Issue:
64, P. 102805 - 102805
Published: June 30, 2023
Plants
being
sessile
in
nature,
are
exposed
to
unwarranted
threats
as
a
result
of
constantly
changing
environmental
conditions.
These
adverse
factors
can
have
negative
impacts
on
their
growth,
development,
and
yield.
Hormones
key
signaling
molecules
enabling
cells
respond
rapidly
different
external
internal
stimuli.
In
plants,
melatonin
(MT)
plays
critical
role
the
integration
various
signals
activation
stress-response
networks
develop
defense
mechanisms
plant
resilience.
Additionally,
tackle
stress-induced
alteration
cellular
redox
equilibrium
by
regulating
expression
hemostasis-related
genes
proteins.
The
purpose
this
article
is
compile
summarize
scientific
research
pertaining
MT's
effects
plants'
resilience
biotic
abiotic
stresses.
Here,
we
summarized
that
MT
exerts
synergistic
effect
with
other
phytohormones,
for
instance,
ethylene,
jasmonic
acid,
salicylic
activates
defense-related
against
phytopathogens.
Furthermore,
interacts
secondary
messengers
like
Ca2+,
nitric
oxide,
reactive
oxygen
species
regulate
network.
This
interaction
triggers
transcription
alleviate
stress-related
responses
plants.
Hence,
synergic
diverse
hormones
demonstrates
phytomelatonin's
importance
influencing
multiple
contribute
harsh
factors.
Molecular Plant,
Journal Year:
2023,
Volume and Issue:
16(4), P. 694 - 708
Published: Feb. 10, 2023
Comprehensive
utilization
of
cottonseeds
is
limited
by
the
presence
pigment
glands
and
its
inclusion
gossypol.
The
ideal
cotton
has
glandless
seeds
but
a
glanded
plant,
trait
found
in
only
few
Australian
wild
species,
including
Gossypium
bickii.
Introgression
this
into
cultivated
species
proved
to
be
difficult.
Understanding
biological
processes
toward
gland
morphogenesis
associated
underlying
molecular
mechanisms
will
facilitate
breeding
varieties
with
plant.
In
study,
single-cell
RNA
sequencing
(scRNA-seq)
was
performed
on
12
222
protoplasts
isolated
from
cotyledons
germinating
G.
bickii
48
h
after
imbibition.
Clustered
14
distinct
clusters
unsupervisedly,
these
cells
could
grouped
eight
cell
populations
assistance
known
marker
genes.
were
well
separated
others
parenchyma
cells,
secretory
apoptotic
cells.
By
integrating
developmental
trajectory,
transcription
factor
regulatory
networks,
core
functional
validation,
we
established
model
for
formation.
model,
light
gibberellin
verified
promote
formation
glands.
addition,
three
novel
genes,
GbiERF114
(ETHYLENE
RESPONSE
FACTOR
114),
GbiZAT11
(ZINC
FINGER
OF
ARABIDOPSIS
THALIANA
11),
GbiNTL9
(NAC
TRANSCRIPTION
FACTOR-LIKE
9),
affect
Collectively,
findings
provide
new
insights
lay
cornerstone
future
scRNA-seq
investigations.
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(2), P. 233 - 233
Published: Feb. 14, 2024
Soil
salinity
is
one
of
the
adversity
stresses
plants
face,
and
antioxidant
defense
mechanisms
play
an
essential
role
in
plant
resistance.
We
investigated
effects
exogenous
calcium
on
system
peanut
seedling
roots
that
are
under
salt
stress
by
using
indices
including
transcriptome
absolute
quantitative
metabolome
flavonoids.
Under
conditions,
capacity
enzymatic
systems
was
weakened
linked
AsA-GSH
cycle
effectively
inhibited.
In
contrast,
ascorbate
biosynthesis
pathway
its
upstream
glycolysis
metabolism
became
active,
which
stimulated
shikimate
downstream
phenylpropanoid
pathway,
resulting
increased
accumulation
flavonoids,
which,
as
antioxidants
non-enzymatic
system,
provide
hydroxyl
radicals
to
scavenge
excess
reactive
oxygen
species
maintain
plant’s
vital
activities.
However,
addition
caused
changes
root
system.
The
activity
enzymes
were
enhanced.
Therefore,
do
not
exert
function,
flavonoids
no
longer
synthesized.
addition,
showed
a
trade-off
relationship
with
sugars