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. 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.
