Biomolecules,
Год журнала:
2019,
Номер
9(11), С. 640 - 640
Опубликована: Окт. 23, 2019
The
present
research
was
performed
to
assess
the
effect
of
24-epibrassinolide
(EBR)
on
salt-stressed
soybean
plants.
Salt
stress
suppressed
growth,
biomass
yield,
gas
exchange
parameters,
pigment
content,
and
chlorophyll
fluorescence,
but
all
these
parameters
were
up-regulated
by
EBR
supply.
Moreover,
salt
increased
hydrogen
peroxide,
malondialdehyde,
electrolyte
leakage.
supplementation
reduced
accumulation
oxidative
biomarkers.
activities
superoxide
dismutase
catalase,
proline,
glycinebetaine,
total
phenols,
flavonoids
with
NaCl
stress,
attributes
further
supplementation.
enzymes
levels
non-enzymatic
antioxidants
involved
in
Asc-Glu
cycle
also
enhancement
recorded
Salinity
elevated
methylglyoxal
it
decreased
accompanying
up-regulation
glyoxalase
(GlyI
GlyII).
enhanced
Na+
uptake
root
shoot
coupled
a
decrease
Ca2+,
K+,
P.
However,
declined
promoted
aforementioned
nutrients.
Overall,
regulated
tolerance
mechanism
plants
modulating
osmolytes,
key
enzymes,
antioxidants.
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Сен. 9, 2022
Due
to
global
climate
change,
abiotic
stresses
are
affecting
plant
growth,
productivity,
and
the
quality
of
cultivated
crops.
Stressful
conditions
disrupt
physiological
activities
suppress
defensive
mechanisms,
resulting
in
stress-sensitive
plants.
Consequently,
plants
implement
various
endogenous
strategies,
including
hormone
biosynthesis
(e.g.,
abscisic
acid,
jasmonic
salicylic
brassinosteroids,
indole-3-acetic
cytokinins,
ethylene,
gibberellic
strigolactones)
withstand
stress
conditions.
Combined
or
single
disrupts
normal
transportation
solutes,
causes
electron
leakage,
triggers
reactive
oxygen
species
(ROS)
production,
creating
oxidative
Several
enzymatic
non-enzymatic
defense
systems
marshal
a
plant’s
antioxidant
defenses.
While
responses
protective
role
system
have
been
well-documented
recent
investigations,
interrelationships
among
hormones,
neurotransmitters
(NTs,
such
as
serotonin,
melatonin,
dopamine,
acetylcholine,
γ-aminobutyric
acid),
defenses
not
well
explained.
Thus,
this
review
discusses
advances
transgenic
metabolic
developments,
potential
interaction
hormones
with
NTs
response
tolerance
mechanisms.
Furthermore,
we
discuss
current
challenges
future
directions
(transgenic
breeding
genome
editing)
for
improvement
using
modern
molecular
tools.
The
involved
regulating
systems,
networks,
abiotic-induced
also
discussed.
Molecules,
Год журнала:
2018,
Номер
23(6), С. 1410 - 1410
Опубликована: Июнь 11, 2018
A
new
era
of
metal-based
drugs
started
in
the
1960s,
heralded
by
discovery
potent
platinum-based
complexes,
commencing
with
cisplatin
[(H3N)2PtCl2],
which
are
effective
anti-cancer
chemotherapeutic
drugs.
While
clinical
applications
gold-based
largely
relate
to
treatment
rheumatoid
arthritis,
attention
has
turned
investigation
efficacy
gold(I)
and
gold(III)
compounds
for
applications.
This
review
article
provides
an
account
latest
research
conducted
during
last
decade
or
so
on
development
gold
their
potential
activities
against
several
cancers
as
well
a
summary
possible
mechanisms
action/biological
targets.
The
promising
increasing
knowledge
drug
metabolism
ensures
that
continued
efforts
will
be
made
develop
agents.
Plants,
Год журнала:
2023,
Номер
12(4), С. 864 - 864
Опубликована: Фев. 14, 2023
Salt
stress
is
a
severe
type
of
environmental
stress.
It
adversely
affects
agricultural
production
worldwide.
The
overproduction
reactive
oxygen
species
(ROS)
the
most
frequent
phenomenon
during
salt
ROS
are
extremely
and,
in
high
amounts,
noxious,
leading
to
destructive
processes
and
causing
cellular
damage.
However,
at
lower
concentrations,
function
as
secondary
messengers,
playing
critical
role
signaling
molecules,
ensuring
regulation
growth
adjustment
multifactorial
stresses.
Plants
contain
several
enzymatic
non-enzymatic
antioxidants
that
can
detoxify
ROS.
their
scavenging
important
aspects
plant’s
normal
response
adverse
conditions.
Recently,
this
field
has
attracted
immense
attention
from
plant
scientists;
however,
ROS-induced
pathways
remain
largely
unknown.
In
review,
we
will
discuss
different
tolerance.
We
also
summarize
recent
advances
on
detrimental
effects
ROS,
antioxidant
machinery
under
stress,
crosstalk
between
other
various
including
nitric
oxide,
hydrogen
sulfide,
calcium,
phytohormones.
Moreover,
utilization
“-omic”
approaches
improve
ROS-regulating
system
adaptation
process
described.
Journal of Experimental Botany,
Год журнала:
2022,
Номер
73(11), С. 3339 - 3354
Опубликована: Фев. 21, 2022
Abstract
Climate
change
is
predicted
to
increase
the
frequency
and
intensity
of
abiotic
stress
combinations
that
negatively
impact
plants
pose
a
serious
threat
crop
yield
food
supply.
Plants
respond
episodes
combination
by
activating
specific
physiological
molecular
responses,
as
well
adjusting
different
metabolic
pathways,
mitigate
negative
effects
on
plant
growth,
development,
reproduction.
synthesize
wide
range
metabolites
regulate
many
aspects
growth
responses
stress.
Although
individual
stresses
have
been
studied
extensively
in
species,
recent
efforts
directed
at
understanding
occur
when
factors
are
combined.
In
this
review
we
examine
studies
metabolomic
changes
under
suggest
new
avenues
for
development
combination-resilient
crops
based
breeding
targets.
High
temperature
is
a
major
environmental
stress
that
limits
plant
growth
and
agriculture
productivity.
Mitogen-activated
protein
kinases
(MAPKs)
are
highly
conserved
serine
threonine
participate
in
response
to
diverse
stresses
plants.
A
total
of
16
putative
SlMAPK
genes
identified
tomato,
SlMAPK3
one
the
most
extensively
studied
SlMAPKs.
However,
role
heat
not
clearly
understood
tomato
In
this
study,
we
performed
functional
analysis
for
its
possible
stress.qRT-PCR
analyses
revealed
relative
expression
was
depressed
by
stress.
Here,
wild-type
(WT)
plants
CRISPR/Cas9-mediated
slmapk3
mutant
lines
(L8
L13)
were
used
investigate
function
Compared
with
WT
plants,
mutants
exhibited
less
severe
wilting
membrane
damage,
showed
lower
reactive
oxygen
species
(ROS)
contents,
presented
higher
both
activities
transcript
levels
antioxidant
enzymes,
as
well
elevated
expressions
encoding
transcription
factors
(HSFs)
shock
proteins
(HSPs).CRISPR/Cas9-mediated
more
tolerance
than
suggesting
negative
regulator
thermotolerance.
Moreover,
enzymes
HSPs/HSFs
involved
SlMAPK3-mediated
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(7), С. 3741 - 3741
Опубликована: Март 29, 2022
Climate
change
has
devastating
effects
on
plant
growth
and
yield.
During
ontogenesis,
plants
are
subjected
to
a
variety
of
abiotic
stresses,
including
drought
salinity,
affecting
the
crop
loss
(20–50%)
making
them
vulnerable
in
terms
survival.
These
stresses
lead
excessive
production
reactive
oxygen
species
(ROS)
that
damage
nucleic
acid,
proteins,
lipids.
Plant
growth-promoting
bacteria
(PGPB)
have
remarkable
capabilities
combating
salinity
stress
improving
growth,
which
enhances
productivity
contributes
food
security.
PGPB
inoculation
under
promotes
through
several
modes
actions,
such
as
phytohormones,
1-aminocyclopropane-1-carboxylic
acid
deaminase,
exopolysaccharide,
siderophore,
hydrogen
cyanide,
extracellular
polymeric
substances,
volatile
organic
compounds,
modulate
antioxidants
defense
machinery,
abscisic
thereby
preventing
oxidative
stress.
also
provide
osmotic
balance;
maintain
ion
homeostasis;
induce
salt-responsive
genes,
metabolic
reprogramming,
transcriptional
changes
transporter
etc.
Therefore,
this
review,
we
summarize
mitigate
its
detrimental
effects.
Furthermore,
discuss
mechanistic
insights
towards
tolerance
for
sustainable
agriculture.
