Physiologia Plantarum,
Год журнала:
2024,
Номер
176(6)
Опубликована: Ноя. 1, 2024
Abstract
Nitric
oxide
(NO)
and
hydrogen
sulphide
(H
2
S)
play
important
roles
in
plant
growth,
development
environmental
adaptation.
Currently,
there
is
few
information
on
the
mechanism
by
which
H
S
may
be
involved
NO‐induced
salt
tolerance.
In
this
study,
cucumber
was
used
to
investigate
role
of
NO
their
relationship
under
stress.
The
results
showed
that
donor
sodium
hydrosulfide
(NaHS)
nitroprusside
(SNP)
significantly
promoted
growth
seedlings
However,
hypotaurine
(HT,
an
scavenger)
inhibited
positive
effects
SNP
Meanwhile,
treatment
increased
content
endogenous
S,
activity
synthesis‐related
enzymes
LCD,
DCD,
CAS,
expression
genes
(
CsLCD
CsDCD
).
addition,
tolerance
largely
eliminated
after
silencing
/
,
while
overexpression
enhanced
It
further
found
lines,
but
it
had
no
effect
lines.
Therefore,
might
enhance
upregulating
gene
.
Physiologia Plantarum,
Год журнала:
2025,
Номер
177(2)
Опубликована: Март 1, 2025
Abstract
Drought,
a
major
factor
limiting
global
crop
yields,
disrupts
plant
growth,
water
interactions,
and
overall
use
efficiency.
Hydrogen
sulfide
(H
2
S),
key
gasotransmitter,
has
become
crucial
signalling
molecule
in
biology.
It
promotes
growth
development
while
significantly
contributing
to
the
plant's
response
various
abiotic
stresses,
including
drought.
This
review
explores
how
H₂S
mitigates
drought
stress
plants
crosstalks
with
molecules
such
as
nitric
oxide,
melatonin,
abscisic
acid,
γ‐aminobutyric
polyamines,
others.
highlights
these
acting
either
upstream
or
downstream,
enhance
resistance.
Furthermore,
involves
persulfidation,
which
modifies
protein
thiol
groups
protect
against
oxidative
damage.
The
underscores
role
of
persulfidation
reducing
reactive
oxygen
species
accumulation
maintaining
redox
homeostasis
under
stress.
aims
elucidate
relief
expand
our
knowledge
it
contributes
resistance
during
scarcity
by
examining
its
regulatory
mechanisms
interactions.
Additionally,
proposes
practical
strategies
for
enhancing
agricultural
practices
face
growing
conditions,
offering
methods
leverage
improving
tolerance
scarcity.
Regulatory Mechanisms in Biosystems,
Год журнала:
2025,
Номер
33(1), С. e25030 - e25030
Опубликована: Фев. 15, 2025
To
determine
the
factors
that
influence
nature
of
effect
nitric
oxide
donor
sodium
nitroprusside
on
phytoto
x
icity
herbicides,
we
studied
dynamics
and
hydrogen
peroxide
formation
when
is
used
separately
in
combination
with
herbicides.
Three
herbicides
different
mechanisms
action
were
for
studies:
protoporphyrinogen
oxidase
inhibitor
carfentrazone,
synthetic
auxin
2,4-D,
which
was
increased
together
nitroprusside,
carotenoid
synthesis
aclonifen,
accelerated,
but
not
increased,
nitroprusside.
Oilseed
radish
plants
(
Raphanus
sativus
var.
oleiformis
),
are
sensitive
to
as
model
organism.
It
found
treatment
s
o
dium
2,4-D
led
an
increase
content
1st
4th
days
after
treatment,
while
8th
day,
treated
did
differ
from
control.
Treatment
aclonifen
affect
over
8-day
period
following
treatment.
When
carfentrazone
more
pronounced
prolonged
compared
alone.
applied
also
observed
control;
however,
this
smaller
both
magnitude
duration
co
m
pared
application
resulted
a
decrease
content,
herbicide
plants.
At
same
time,
most
less
intense
shor
t
er-lived
aclonifen.
Since
decreased
under
nitropru
side
alone,
it
likely
during
combined
consequence
levels.
concluded
induced
fo
r
mation
key
factor
enhanced
phytotoxic
The
possibility
increasing
individual
through
join
use
can
be
utilized
enhance
effectiveness
crop
protection
against
weeds.
Abstract
Drought
is
a
major
abiotic
stress
affecting
plant
growth
and
productivity
worldwide.
Henna
(
Lawsonia
inermis
L.)
an
economically
important
species
that
widely
cultivated
due
to
its
natural
dye
properties
medicinal
uses,
it
highly
susceptible
drought
stress,
which
limits
development.
This
study
was
conducted
with
the
aim
of
investigating
effect
foliar
spraying
sodium
nitroprusside
(SNP)
on
yield
henna
ecotypes
under
conditions
in
Shahdad-Iran.
The
experiment
form
split
factorial
design
based
randomized
complete
block
(RCBD)
three
replications.
Three
(Rudbar-e-Jonub,
Shahdad,
Bam)
were
used
as
material.
findings
showed
onset
drought,
photosynthetic
pigments,
indices,
net
photosynthesis,
dry
matter
leaves
decrease.
However,
when
SNP
spray
treatment
applied,
significantly
improved
things
like
leaf
area
index,
crop
rate,
photosynthesis
yield,
especially
levels
at
25
50%.
water
content
Shahdad
genotype
plants
highest
percentage
increase
these
measurements
compared
other
species.
It
can
be
concluded
conditions.
