Biomolecules,
Journal Year:
2021,
Volume and Issue:
12(1), P. 43 - 43
Published: Dec. 28, 2021
Heavy
metal
(HM)
toxicity
has
become
a
global
concern
in
recent
years
and
is
imposing
severe
threat
to
the
environment
human
health.
In
case
of
plants,
higher
concentration
HMs,
above
threshold,
adversely
affects
cellular
metabolism
because
generation
reactive
oxygen
species
(ROS)
which
target
key
biological
molecules.
Moreover,
some
HMs
such
as
mercury
arsenic,
among
others,
can
directly
alter
protein/enzyme
activities
by
targeting
their
-SH
group
further
impede
metabolism.
Particularly,
inhibition
photosynthesis
been
reported
under
HM
trigger
degradation
chlorophyll
molecules
enhancing
chlorophyllase
activity
replacing
central
Mg
ion
porphyrin
ring
overall
plant
growth
yield.
Consequently,
plants
utilize
various
strategies
mitigate
negative
impact
limiting
uptake
these
sequestration
into
vacuoles
with
help
including
proteins
phytochelatins,
metallothionein,
compatible
solutes,
secondary
metabolites.
this
comprehensive
review,
we
provided
insights
towards
wider
aspect
toxicity,
ranging
from
on
mechanisms
employed
alleviate
presented
molecular
mechanism
plants.
Water,
Journal Year:
2023,
Volume and Issue:
15(3), P. 418 - 418
Published: Jan. 19, 2023
Abiotic
stress
significantly
limits
plant
growth
and
production.
Drought,
in
particular,
is
a
severe
constraint
that
affects
agricultural
productivity
on
global
scale.
Water
induces
plants
set
of
morpho-anatomical
(modification
root
leaf
structure),
physiological,
biochemical
(relative
water
content,
membrane
stability,
photosynthesis,
hormonal
balance,
antioxidant
systems,
osmolyte
accumulation)
changes
mainly
employed
to
cope
with
the
drought
stress.
These
strategies
allow
overcome
unfavorable
period
limited
availability.
Currently,
promising
alternative
available
improve
tolerance
under
conditions.
The
use
osmotolerant
growth-promoting
rhizobacteria
(PGPR)
as
inoculants
can
alleviate
by
increasing
efficiency
plant.
PGPR
drought,
through
morphology
architecture
system,
production
phytohormones,
extracellular
polysaccharides,
ACC
1-(aminocyclopropane-1-carboxylate)
deaminase,
volatile
chemicals,
accumulation.
They
may
also
enhance
defense
system
induce
transcriptional
regulation
response
genes.
This
review
addresses
effects
growth,
adaptation,
conditions
discusses
significant
potential
modulate
physiological
against
scarcity,
ensuring
survival
improving
resistance
crops.
Journal of Sustainable Agriculture and Environment,
Journal Year:
2023,
Volume and Issue:
2(3), P. 189 - 214
Published: July 18, 2023
Abstract
Salinity
and
drought
stress
substantially
decrease
crop
yield
superiority,
directly
threatening
the
food
supply
needed
to
meet
rising
needs
of
growing
total
population.
Nanotechnology
is
a
step
towards
improving
agricultural
output
tolerance
by
efficacy
inputs
in
agriculture
via
targeted
delivery,
controlled
release,
enhanced
solubility
adhesion
while
also
reducing
significant
damage.
The
direct
application
nanoparticles
(NPs)/nanomaterials
can
boost
performance
effectiveness
physio‐biochemical
molecular
mechanisms
plants
under
conditions,
leading
advanced
tolerance.
Therefore,
we
presented
effects
plant
responses
explored
potential
nanomaterials
for
systems,
discussed
advantages
applying
NPs
at
various
developmental
stages
alleviate
negative
salinity
stress.
Moreover,
feature
recent
innovations
state‐of‐the‐art
nanobiotechnology,
specifically
NP‐mediated
genome
editing
CRISPR/Cas
system,
develop
stress‐smart
crops.
However,
further
investigations
are
unravel
role
nanobiotechnology
addressing
climate
change
challenges
modern
systems.
We
propose
that
combining
speed
breeding
techniques
could
enable
designing
climate‐smart
cultivars
(particularly
bred
or
genetically
modified
varieties)
security
world
Plants,
Journal Year:
2024,
Volume and Issue:
13(21), P. 2962 - 2962
Published: Oct. 23, 2024
Drought,
a
significant
environmental
challenge,
presents
substantial
risk
to
worldwide
agriculture
and
the
security
of
food
supplies.
In
response,
plants
can
perceive
stimuli
from
their
environment
activate
defense
pathways
via
various
modulating
networks
cope
with
stress.
Drought
tolerance,
multifaceted
attribute,
be
dissected
into
distinct
contributing
mechanisms
factors.
Osmotic
stress,
dehydration
dysfunction
plasma
endosome
membranes,
loss
cellular
turgidity,
inhibition
metabolite
synthesis,
energy
depletion,
impaired
chloroplast
function,
oxidative
stress
are
among
most
critical
consequences
drought
on
plant
cells.
Understanding
intricate
interplay
these
physiological
molecular
responses
provides
insights
adaptive
strategies
employ
navigate
through
Plant
cells
express
withstand
reverse
effects
These
include
osmotic
adjustment
preserve
turgor,
synthesis
protective
proteins
like
dehydrins,
triggering
antioxidant
systems
counterbalance
A
better
understanding
tolerance
is
crucial
for
devising
specific
methods
improve
crop
resilience
promote
sustainable
agricultural
practices
in
environments
limited
water
resources.
This
review
explores
employed
by
address
challenges
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(4)
Published: July 1, 2024
Abstract
Plants
can
experience
a
variety
of
environmental
stresses
that
significantly
impact
their
fitness
and
survival.
Additionally,
biotic
stress
harm
agriculture,
leading
to
reduced
crop
yields
economic
losses
worldwide.
As
result,
plants
have
developed
defense
strategies
combat
potential
invaders.
These
involve
regulating
redox
homeostasis.
Several
studies
documented
the
positive
role
plant
antioxidants,
including
Ascorbate
(Asc),
under
conditions.
Asc
is
multifaceted
antioxidant
scavenges
ROS,
acts
as
co‐factor
for
different
enzymes,
regulates
gene
expression,
facilitates
iron
transport.
However,
little
attention
has
been
given
its
transport,
regulatory
effects,
interplay
with
phytohormones,
involvement
in
processes
stress.
interacts
other
components
system
phytohormones
activate
various
responses
reduce
growth
pathogens
promote
development
Scientific
reports
indicate
contribute
resistance
against
through
mutual
interactions
hormonal
systems.
This
review
focuses
on
enhancing
pathogens.
Further
research
necessary
gain
more
comprehensive
understanding
molecular
cellular
involved.
Plants,
Journal Year:
2023,
Volume and Issue:
12(2), P. 269 - 269
Published: Jan. 6, 2023
Plants
undergo
metabolic
perturbations
under
various
abiotic
stress
conditions;
due
to
their
sessile
nature,
the
network
of
plants
requires
continuous
reconfigurations
in
response
environmental
stimuli
maintain
homeostasis
and
combat
stress.
The
comprehensive
analysis
these
features
will
thus
give
an
overview
plant
responses
strategies
applied
mitigate
deleterious
effects
conditions
at
a
biochemical
level.
In
recent
years,
adoption
metabolomics
studies
has
gained
significant
attention
growing
technological
advances
analytical
biochemistry
(plant
metabolomics).
complexity
landscape
sophisticated,
advanced
methods.
As
such,
advancements
field
have
been
realized,
aided
much
by
development
refinement
separatory
techniques,
including
liquid
gas
chromatography
(LC
GC),
often
hyphenated
state-of-the-art
detection
instruments
such
as
mass
spectrometry
(MS)
or
nuclear
resonance
magnetic
(NMR)
spectroscopy.
Significant
developments
techniques
are
briefly
highlighted
this
review.
enormous
progress
made
far
also
comes
with
dawn
Internet
Things
(IoT)
technology
housed
machine
learning
(ML)-based
computational
tools
for
data
acquisition,
mining,
4IR
era
allowing
broader
coverage
biological
interpretation
cellular
status
varying
conditions.
Thus,
scientists
can
paint
holistic
roadmap
predictive
models
metabolite-guided
crop
improvement.
current
review
outlines
application
related
elucidating
stress,
mainly
focusing
on
heavy
metal
toxicity
subsequent
osmotic
tolerance.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(5), P. 4712 - 4712
Published: March 1, 2023
Drought
is
a
major
environmental
threat
that
limits
crop
growth,
development,
and
productivity
worldwide.
Improving
drought
resistance
with
genetic
engineering
methods
necessary
to
tackle
global
climate
change.
It
well
known
NAC
(NAM,
ATAF
CUC)
transcription
factors
play
critical
role
in
coping
stress
plants.
In
this
study,
we
identified
an
factor
ZmNAC20,
which
regulates
response
maize.
ZmNAC20
expression
was
rapidly
upregulated
by
abscisic
acid
(ABA).
Under
conditions,
the
ZmNAC20-overexpressing
plants
had
higher
relative
water
content
survival
rate
than
wild-type
maize
inbred
B104,
suggesting
overexpression
of
improved
The
detached
leaves
lost
less
those
B104
after
dehydration.
Overexpression
promoted
stomatal
closure
ABA.
localized
nucleus
regulated
many
genes
involved
using
RNA-Seq
analysis.
study
indicated
promoting
activating
stress-responsible
Our
findings
provide
valuable
gene
new
clues
on
improving
resistance.
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(6)
Published: Nov. 1, 2024
As
global
climate
change
intensifies,
the
occurrence
and
severity
of
various
abiotic
stresses
will
significantly
threaten
plant
health
productivity.
Drought
stress
(DS)
is
a
formidable
obstacle,
disrupting
normal
functions
through
specific
morphological,
physiological,
biochemical,
molecular
mechanisms.
Understanding
how
plants
navigate
DS
paramount
to
mitigating
its
adverse
effects.
In
response
DS,
synthesize
or
accumulate
growth
regulators
(PGRs),
including
phytohormones,
neurotransmitters,
gasotransmitters,
polyamines,
which
present
promising
sustainable
green
chemical
strategies
adapt
tolerate
conditions.
These
PGRs
orchestrate
crucial
structure
function
adjustments,
activating
defense
systems
modulating
cellular-level
responses,
transcript
levels,
transcription
factors,
metabolic
genes,
stress-responsive
candidate
proteins.
However,
efficacy
these
molecules
in
depends
on
species,
applied
PGR
dose,
treatment
type,
duration
exposure,
stages.
Thus,
exploring
integrated
impact
enhancing
fitness
tolerance
for
food
security
agriculture.
This
review
investigates
responses
explains
potential
exogenously
diverse
PGRs,
dissects
complex
chemistry
among
sheds
light
omics
approaches
harnessing
basis
tolerance.
updated
delivers
comprehensive
mechanistic
insights
leveraging
enhance
overall
under
