Antioxidants,
Год журнала:
2020,
Номер
9(11), С. 1078 - 1078
Опубликована: Ноя. 3, 2020
Abiotic
stress
in
plants
is
an
increasingly
common
problem
agriculture,
and
thus,
studies
on
plant
treatments
with
specific
compounds
that
may
help
to
mitigate
these
effects
have
increased
recent
years.
Melatonin
(MET)
application
its
role
mitigating
the
negative
of
abiotic
become
important
last
few
MET,
a
derivative
tryptophan,
plant-related
response
molecule
involved
growth,
development,
reproduction
plants,
induction
different
factors.
In
addition,
MET
plays
protective
against
stresses
such
as
salinity,
high/low
temperature,
high
light,
waterlogging,
nutrient
deficiency
combination
by
regulating
both
enzymatic
non-enzymatic
antioxidant
defense
systems.
Moreover,
interacts
many
signaling
molecules,
reactive
oxygen
species
(ROS)
nitric
oxide
(NO),
participates
wide
variety
physiological
reactions.
It
well
known
NO
produces
S-nitrosylation
NO2-Tyr
antioxidant-related
proteins,
this
being
mechanism
for
maintaining
capacity
AsA/GSH
cycle
under
nitro-oxidative
conditions,
extensively
reviewed
here
conditions.
Lastly,
review,
we
show
coordinated
actions
between
long-range
molecule,
responses
including
growth
tolerance.
Despite
all
knowledge
acquired
over
years,
there
still
more
know
about
how
act
tolerance
stresses.
Journal of Experimental Botany,
Год журнала:
2022,
Номер
73(17), С. 5779 - 5800
Опубликована: Янв. 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.
Agriculture,
Год журнала:
2023,
Номер
13(3), С. 724 - 724
Опубликована: Март 21, 2023
With
a
very
diverse
structure
and
small
molecules,
phytohormones
are
regulators
of
plant
growth
development.
Despite
the
fact
that
they
synthesized
by
plants
in
quantities,
highly
active
physiologically.
According
to
their
action,
can
be
divided
into
two
categories,
as
either
activators
development
or
inhibitors,
with
auxins
cytokinins
belonging
former
group.
Auxins
apical
meristems
shoots,
but
also
young
leaves,
seeds,
fruits.
They
stimulate
elongation
shoots
initiate
production
adventitious
lateral
roots.
Cytokinins,
turn,
formed
root
tips
unripe
fruits
seeds.
These
hormones
responsible
for
stimulating
cytokinesis
and,
consequently,
cell
division.
The
aim
this
review
paper
is
present
progress
research
on
effect
selected
crops,
considering
prospect
using
them
growing
methods.
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(21), С. 12913 - 12913
Опубликована: Окт. 26, 2022
Abiotic
stresses,
such
as
drought,
salinity,
heat,
cold,
and
heavy
metals,
are
associated
with
global
climate
change
hamper
plant
growth
development,
affecting
crop
yields
quality.
However,
the
negative
effects
of
abiotic
stresses
can
be
mitigated
through
exogenous
treatments
using
small
biomolecules.
For
example,
foliar
application
melatonin
provides
following:
it
protects
photosynthetic
apparatus;
increases
antioxidant
defenses,
osmoprotectant,
soluble
sugar
levels;
prevents
tissue
damage
reduces
electrolyte
leakage;
improves
reactive
oxygen
species
(ROS)
scavenging;
biomass,
maintains
redox
ion
homeostasis,
gaseous
exchange.
Glutathione
spray
upregulates
glyoxalase
system,
methylglyoxal
(MG)
toxicity
oxidative
stress,
decreases
hydrogen
peroxide
malondialdehyde
accumulation,
defense
mechanisms,
repairs,
nitrogen
fixation,
phytochelatins.
The
proline
enhances
other
physiological
characteristics,
osmoprotection,
integrity
plasma
lemma,
lipid
peroxidation,
pigments,
phenolic
acids,
flavonoids,
amino
stress
tolerance,
carbon
leaf
content.
glycine
betaine
growth,
osmoprotection
osmoregulation,
relative
water
content,
net
rate,
catalase
activity,
photorespiration,
leakage,
oxygen-evolving
complex,
chlorosis.
Chemical
priming
has
various
important
advantages
over
transgenic
technology
is
typically
more
affordable
for
farmers
safe
plants,
people,
animals,
while
being
considered
environmentally
acceptable.
helps
to
improve
quality
quantity
yield.
This
review
summarizes
discusses
how
melatonin,
glutathione,
proline,
help
crops
combat
stresses.
Medicinal Research Reviews,
Год журнала:
2023,
Номер
44(1), С. 275 - 364
Опубликована: Авг. 25, 2023
Reactive
oxygen
species
(ROS)
are
produced
during
oxidative
metabolism
in
aerobic
organisms.
Under
normal
conditions,
ROS
production
and
elimination
a
relatively
balanced
state.
However,
under
internal
or
external
environmental
stress,
such
as
high
glucose
levels
UV
radiation,
can
increase
significantly,
leading
to
stress.
Excess
not
only
damages
biomolecules
but
is
also
closely
associated
with
the
pathogenesis
of
many
diseases,
skin
photoaging,
diabetes,
cancer.
Antioxidant
peptides
(AOPs)
naturally
occurring
artificially
designed
that
reduce
other
pro-oxidants,
thus
showing
great
potential
treatment
stress-related
diseases.
In
this
review,
we
discussed
its
role
inducing
diseases
humans.
Additionally,
sources,
mechanism
action,
evaluation
methods
AOPs
provided
directions
for
future
studies
on
AOPs.
Journal of Agronomy and Crop Science,
Год журнала:
2023,
Номер
209(5), С. 651 - 672
Опубликована: Май 4, 2023
Abstract
Balanced
photosynthesis
is
essential
for
improved
plant
survival
and
agricultural
benefits
in
terms
of
biomass
yield.
Photosynthesis
the
hub
energy
metabolism
plants;
however,
drought
stress
(DS)
strongly
perturbs
photosynthetic
efficiency
due
to
biochemical
diffusive
limitations
that
reduce
key
components
close
stomata.
This
review
describes
responses,
chloroplast
retrograde
signalling,
genetic
imprints
curtail
DS
damage
machinery.
While
stomatal
closure,
disrupted
systems,
over‐reduced
electron
transport
rates
(ETR),
partial
hindrance
Calvin
cycle,
reduced
pigment
contents
affect
repertoire
processes
under
DS,
signalling
also
has
a
plausible
role
preserving
capacity.
Progress
agronomic,
engineering
approaches
isoprene
regulation
would
help
rescue
apparatus
DS.
Functional Plant Biology,
Год журнала:
2023,
Номер
50(11), С. 915 - 931
Опубликована: Фев. 19, 2023
We
evaluated
the
effects
of
different
concentrations
(0.05
and
0.15mM)
a
benzothiazine
(BTh)
derivative
on
wheat
(Triticum
aestivum
L.)
in
normal
(100%
field
water
capacity,
FWC)
drought
(60%
conditions.
Various
morphological
physiological
characteristics,
uptake
osmo-protectants
nutrients
were
measured
under
two
FWC
Results
show
that
conditions
significantly
reduced
plant
growth,
affected
composition,
photosynthetic
pigments
gaseous
exchange
attributes,
stomatal
behaviour,
fluxes
essential
nutrients,
while
increasing
contents
enzymatic
non-enzymatic
antioxidants
to
decrease
production
reactive
oxygen
species
(ROS)
within
cells/tissues.
However,
seed
priming
with
BTh
stress
by
growth
biomass,
pigments,
compared
unprimed
plants.
In
addition,
has
strong
antioxidant
defense
system,
which
further
increased
its
activities
treatments,
scavenge
ROS
maintain
cell
turgor
conclusion,
stress-induced
oxidative
altered
T.
,
whereas
improving
tolerance
drought.
suggest
as
an
effective
technique
for
reducing
tends
benefit
grower
terms
better
fulfil
market
demand
food
cereals.
Redox Biology,
Год журнала:
2023,
Номер
64, С. 102805 - 102805
Опубликована: Июнь 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.
