Physiologia Plantarum,
Год журнала:
2022,
Номер
174(6)
Опубликована: Ноя. 1, 2022
The
involvement
of
melatonin
in
the
regulation
salt
stress
acclimation
has
been
shown
plants
this
present
work.
We
found
that
GOAL
cultivar
wheat
(Triticum
aestivum
L.)
was
most
salt-tolerant
among
investigated
cultivars,
GOAL,
HD-2967,
PBW-17,
PBW-343,
PBW-550,
and
WH-1105
when
screened
for
tolerance
to
100
mM
NaCl.
application
μM
maximally
reduced
oxidative
improved
photosynthesis
cv.
GOAL.
Melatonin
supplementation
stress-induced
by
upregulating
activity
antioxidant
enzymes,
such
as
superoxide
dismutase
(SOD),
ascorbate
peroxidase
(APX),
glutathione
reductase
(GR),
(GSH)
production.
This
resulted
increased
membrane
stability,
photosynthetic-N
use
efficiency
plants.
50
ethylene
biosynthesis
inhibitor
aminoethoxyvinylglycine
(AVG)
presence
H2
O2
content
but
GR
GSH,
photosynthesis,
plant
dry
mass.
signifies
melatonin-mediated
related
synthesis
it
under
stress.
Thus,
interaction
bears
a
prominent
role
can
be
used
develop
other
crops.
Journal of soil science and plant nutrition,
Год журнала:
2023,
Номер
24(1), С. 54 - 73
Опубликована: Дек. 26, 2023
Abstract
Melatonin
was
found
in
plants
the
late
1990s,
but
its
function,
signaling,
and
interaction
with
other
phytohormones
still
unclear.
research
has
increased
substantially
recent
years,
including
reports
on
impact
of
this
putative
plant
hormone
under
biotic
abiotic
stress
situations.
Temperature
extremes,
salt,
drought,
hypoxia
or
anoxia,
nutrient
deficiency,
herbicides,
UV
radiation
stress,
heavy
metal
toxicity
are
all
important
obstacles
to
horticulture
crop
production
worldwide.
To
deal
these
environmental
challenges,
have
evolved
complex
signaling
networks.
Phytohormones
essential
for
controlling
growth,
development,
responses.
Melatonin,
a
pleiotropic
chemical
present
variety
species,
recently
emerged
as
powerful
regulator
tolerance.
The
purpose
review
is
investigate
interplay
between
melatonin
control
responses
horticultural
crops.
We
explore
interactions
several
various
stresses.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Май 27, 2023
Drought
is
one
of
the
most
significant
abiotic
stress
threatening
to
crop
production
worldwide.
Soybean
a
major
legume
with
immense
economic
significance,
but
its
highly
dependent
on
optimum
rainfall
or
abundant
irrigation.
As
global
climate
changes,
it
more
important
find
solutions
make
plants
resilient
drought.
The
prime
aimed
study
investigate
effect
melatonin
drought
tolerance
in
soybean
and
potential
mechanisms.
seedlings
were
treated
20%
polyethylene
glycol
6000
(PEG
6000)
subjected
osmotic
(14
days)
without
100
μM
treatment.
Our
results
revealed
that
supplementation
significantly
mitigated
PEG-induced
growth
retardation
increased
water
absorption
ability.
Foliar
application
also
gas
exchange
chlorophyll
fluorescence
attributes
by
mitigation
osmotic-induced
reduction
reaction
activity
photosystems
I
II,
net
photosynthetic
rate
(Pn),
stomatal
conductance
(Gs),
transpiration
(Tr),
electron
transport
activity,
efficiency.
In
addition,
elevated
reactive
oxygen
species
(ROS)
malondialdehyde
(MDA)
content
reversed
Equally
important,
boosted
antioxidant
activities
plants.
Moreover,
substantially
abscisic
acid
(ABA)
accumulation
roots
leaves,
while
melatonin-received
plant
leaves
accumulated
less
ABA
higher
ABA.
Similarly,
suppressed
biosynthesis
signaling
gene
expression
exposed
stress.
Furthermore,
plasmalemma
(GmPIPs)
tonoplast
aquaporin
(GmTIPs)
genes
expression,
their
transcript
abundance
was
up-regulated
co-addition.
Taken
together,
our
indicated
potentially
improves
through
regulation
increasing
efficiency
as
well
enhancing
uptake
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Сен. 11, 2023
Solanaceous
vegetable
crops
are
cultivated
and
consumed
worldwide.
However,
they
often
confront
diverse
abiotic
stresses
that
significantly
impair
their
growth,
yield,
overall
quality.
This
review
delves
into
melatonin
abscisic
acid
(ABA)
biosynthesis
roles
in
stress
responses.
It
closely
examines
the
intricate
interplay
between
ABA
managing
within
plants,
revealing
both
collaborative
antagonistic
effects
elucidating
underlying
molecular
mechanisms.
Melatonin
mutually
influence
each
other’s
synthesis,
metabolism
of
other
plant
hormones,
a
key
focus
this
study.
The
study
highlights
melatonin’s
role
aiding
management
through
ABA-dependent
pathways
genes
melatonin-ABA
interaction.
Specifically,
downregulates
synthesis
upregulates
catabolism
genes,
leading
to
reduced
levels.
also
directly
scavenges
H
2
O
,
enhancing
antioxidant
enzyme
activities,
thereby
underscoring
mediating
Moreover,
plays
an
essential
multiple
physiological
processes
including
stomatal
behaviors,
wax
accumulation,
delay
leaf
senescence,
seed
germination,
seedlings
among
others.
Recognizing
these
relationships
Solanaceae
holds
great
importance
for
improving
agricultural
practices
crop
In
summary,
offers
comprehensive
overview
recent
studies
on
interplay,
serving
as
valuable
resource
researchers
breeders
dedicated
fortifying
resilience
productivity
challenging
environments.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Март 26, 2024
Abstract
The
growth
and
productivity
of
maize
are
severely
affected
by
soil
salinity.
crucial
determinants
for
the
future
performance
plants
productive
seed
germination
seedling
establishment;
however,
both
stages
liable
to
For
grain,
is
an
economically
significant
crop
sensitive
abiotic
stresses.
However,
little
known
about
defense
responses
salinity-induced
antioxidant
oxidative
stress
in
maize.
In
our
work,
commercially
available
variety
Raka-Poshi
was
grown
pots
30
days
under
greenhouse
conditions.
To
evaluate
salt-induced
oxidative/antioxidant
salt
0,
25,
50,
75,
100
150
mM
concentrations,
treatments
were
provided
using
sodium
chloride
(NaCl).
All
biochemical
indices
calculated
all
NaCl
while
drought
induced
up
50%
irrigation
water.
After
germination,
leaves
collected
measurement
lipid
peroxidase
or
malondialdehyde
(MDA),
glutathione
reductase
(GR),
guaiacol
(GPOD),
hydrogen
peroxide
(H
2
O
),
superoxide
dismutase
(SOD),
lipoxygenase
(LOX),
catalase
(CAT),
ascorbate
(APOD)
glutathione-
S
-transferase
(GST).
results
revealed
a
47%
reduction
have
shown
that
successive
increase
concentrations
caused
production.
With
concentration
stress,
lower
levels
H
,
SOD,
MDA
detected
leaves.
regarding
morphology
seedlings
indicated
root
length
shoot
applications
root-to-shoot
weights
found
be
increased
decreased
conditions
During
gene
expression
analysis
collectively
indicate
that,
conditions,
nine
mentioned
enzyme-related
genes
consistently
downregulated.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Март 20, 2024
Poor
germination
and
seedlings
growth
can
lead
to
significant
economic
losses
for
farmers,
therefore,
sustainable
agricultural
strategies
improve
early
of
crops
are
urgently
needed.
The
objective
this
work
was
evaluate
selenium
nanoparticles
(Se
NPs)
as
nanopriming
agents
tomato
(Solanum
lycopersicum)
seeds
germinated
without
stress
conditions
in
both
trays
Petri
dishes.
Germination
quality,
growth,
synergism-antagonism
Se
with
other
elements,
fate
NPs,
were
determined
function
different
NPs
concentrations
(1,
10
50
ppm).
Results
indicated
that
the
rate
dishes
improved
ppm,
while
presented
best
results
at
1
increasing
by
32.5%,
respectively.
Therefore,
measured
only
trays.
Proline
content
decreased
up
22.19%
same
treatment,
total
antioxidant
capacity
(TAC)
chlorophyll
increased
38.97%
21.28%,
Antagonisms
between
Mg,
K,
Mn,
Zn,
Fe,
Cu
Mo
seed
confirmed.
In
case
seedlings,
N
increased.
Transmission
Electron
Microscopy
(TEM)
imaging
confirmed
surrounded
plastids
cells.
By
finding,
it
be
inferred
reach
embryo,
which
is
supported
antagonism
important
nutrients
involved
embryogenesis,
such
Mg
resulted
a
better
quality.
Moreover,
positive
effect
on
TAC,
negative
correlation
proline
seed,
explained
interactions
proplastids
organelles
within
cells,
resulting
highest
length
fresh
weight
when
exposed
ppm.
