Plant and Cell Physiology,
Journal Year:
2021,
Volume and Issue:
63(12), P. 1764 - 1786
Published: Dec. 14, 2021
Melatonin,
a
tryptophan-derived
molecule,
is
endogenously
generated
in
animal,
plant,
fungal
and
prokaryotic
cells.
Given
its
antioxidant
properties,
it
involved
myriad
of
signaling
functions
associated
with
various
aspects
plant
growth
development.
In
higher
plants,
melatonin
(Mel)
interacts
regulators
such
as
phytohormones,
well
reactive
oxygen
nitrogen
species
including
hydrogen
peroxide
(H2O2),
nitric
oxide
(NO)
sulfide
(H2S).
It
shows
great
potential
biotechnological
tool
to
alleviate
biotic
abiotic
stress,
delay
senescence
conserve
the
sensory
nutritional
quality
postharvest
horticultural
products
which
are
considerable
economic
importance
worldwide.
This
review
provides
comprehensive
overview
biochemistry
Mel,
whose
endogenous
induction
exogenous
application
can
play
an
important
role
enhancing
marketability
hence
earnings
from
crops.
Biology,
Journal Year:
2021,
Volume and Issue:
10(4), P. 267 - 267
Published: March 26, 2021
The
stationary
life
of
plants
has
led
to
the
evolution
a
complex
gridded
antioxidant
defence
system
constituting
numerous
enzymatic
components,
playing
crucial
role
in
overcoming
various
stress
conditions.
Mainly,
these
plant
enzymes
are
superoxide
dismutase
(SOD),
catalase
(CAT),
peroxidase
(POX),
glutathione
(GPX),
reductase
(GR),
S-transferases
(GST),
ascorbate
(APX),
monodehydroascorbate
(MDHAR),
and
dehydroascorbate
(DHAR),
which
work
as
part
system.
These
together
form
set
mechanisms
minimise,
buffer,
scavenge
reactive
oxygen
species
(ROS)
efficiently.
present
review
is
aimed
at
articulating
current
understanding
each
with
special
attention
on
enzyme
response
environmental,
especially
abiotic
stresses,
their
molecular
characterisation,
reaction
mechanisms.
for
health
development,
significance,
cross-talk
discussed
detail.
Additionally,
application
developing
stress-tolerant
transgenic
also
discussed.
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.
