Journal of Experimental Botany,
Journal Year:
2022,
Volume and Issue:
73(17), P. 5928 - 5946
Published: May 30, 2022
Abstract
Melatonin
(N-acetyl-5-methoxytryptamine)
is
an
indole
molecule
widely
found
in
animals
and
plants.
It
well
known
that
melatonin
improves
plant
resistance
to
various
biotic
abiotic
stresses
due
its
potent
free
radical
scavenging
ability
while
being
able
modulate
signaling
response
pathways
through
mostly
unknown
mechanisms.
In
recent
years,
increasing
number
of
studies
have
shown
plays
a
crucial
role
improving
crop
quality
yield
by
participating
the
regulation
aspects
growth
development.
Here,
we
review
effects
on
vegetative
reproductive
development,
systematically
summarize
molecular
regulatory
network.
Moreover,
effective
concentrations
exogenously
applied
different
crops
or
at
stages
same
are
analysed.
addition,
compare
endogenous
phytomelatonin
organs,
evaluate
potential
function
circadian
rhythms.
The
prospects
approaches
regulating
exogenous
application
appropriate
melatonin,
modification
metabolism-related
genes,
use
nanomaterials
other
technologies
improve
utilization
efficiency
also
discussed.
The Plant Journal,
Journal Year:
2019,
Volume and Issue:
100(4), P. 784 - 800
Published: July 26, 2019
Plants
endure
challenging
environments
in
which
they
are
constantly
threatened
by
diverse
pathogens.
The
soil-borne
fungus
Verticillium
dahliae
is
a
devastating
pathogen
affecting
many
plant
species
including
cotton,
it
significantly
reduces
crop
yield
and
fiber
quality.
Melatonin
involvement
immunity
to
pathogens
has
been
reported,
but
the
mechanisms
of
melatonin-induced
resistance
unclear.
In
this
study,
role
melatonin
enhancing
cotton
V.
was
investigated.
At
transcriptome
level,
exogenous
increased
expression
genes
phenylpropanoid,
mevalonate
(MVA),
gossypol
pathways
after
inoculation.
As
result,
lignin
gossypol,
products
these
metabolic
pathways,
increased.
Silencing
serotonin
N-acetyltransferase
1
(GhSNAT1)
caffeic
acid
O-methyltransferase
(GhCOMT)
biosynthesis
compromised
resistance,
with
reduced
levels
Exogenous
pre-treatment
prior
inoculation
restored
level
above
gene
silencing
effects.
were
higher
resistant
cultivars
than
susceptible
findings
indicate
that
affects
synthesis
MVA,
thereby
dahliae.
GM crops & food,
Journal Year:
2022,
Volume and Issue:
13(1), P. 196 - 217
Published: Aug. 19, 2022
Global
climate
changes
cause
extreme
temperatures
and
a
significant
reduction
in
crop
production,
leading
to
food
insecurity
worldwide.
Temperature
extremes
(including
both
heat
cold
stresses)
is
one
of
the
most
limiting
factors
plant
growth
development
severely
affect
physiology,
biochemical,
molecular
processes.
Biostimulants
like
melatonin
(MET)
have
multifunctional
role
that
acts
as
“defense
molecule”
safeguard
plants
against
noxious
effects
temperature
stress.
MET
treatment
improves
tolerance
by
improving
several
defense
mechanisms.
Current
research
also
suggests
interacts
with
other
molecules,
phytohormones
gaseous
which
greatly
supports
adaptation
Genetic
engineering
via
overexpression
or
CRISPR/Cas
system
biosynthetic
genes
uplifts
levels
transgenic
enhances
stress
tolerance.
This
review
highlights
critical
production
We
documented
how
molecules
alleviate
MET-mediated
breeding
would
be
great
potential
helping
adverse
creating
plants.
Journal of Experimental Botany,
Journal Year:
2022,
Volume and Issue:
73(17), P. 5928 - 5946
Published: May 30, 2022
Abstract
Melatonin
(N-acetyl-5-methoxytryptamine)
is
an
indole
molecule
widely
found
in
animals
and
plants.
It
well
known
that
melatonin
improves
plant
resistance
to
various
biotic
abiotic
stresses
due
its
potent
free
radical
scavenging
ability
while
being
able
modulate
signaling
response
pathways
through
mostly
unknown
mechanisms.
In
recent
years,
increasing
number
of
studies
have
shown
plays
a
crucial
role
improving
crop
quality
yield
by
participating
the
regulation
aspects
growth
development.
Here,
we
review
effects
on
vegetative
reproductive
development,
systematically
summarize
molecular
regulatory
network.
Moreover,
effective
concentrations
exogenously
applied
different
crops
or
at
stages
same
are
analysed.
addition,
compare
endogenous
phytomelatonin
organs,
evaluate
potential
function
circadian
rhythms.
The
prospects
approaches
regulating
exogenous
application
appropriate
melatonin,
modification
metabolism-related
genes,
use
nanomaterials
other
technologies
improve
utilization
efficiency
also
discussed.
