IntechOpen eBooks,
Год журнала:
2022,
Номер
unknown
Опубликована: Апрель 12, 2022
Heavy
metals
are
inorganic
elements
with
something
like
a
density
of
more
than
5
g/cm3.
Essential
and
non-essential
heavy
were
divided
into
two
groups
based
on
their
toxicity.
metals,
unlike
organic
pollutants,
non-biodegradable
tend
to
accumulate
in
living
things.
Many
metal
ions
hazardous
or
carcinogenic.
The
majority
such
as
cadmium,
copper,
zinc,
linked
pollution
concerns.
There
50
categorized
17
them
being
extremely
easily
accessible.
Metal
pollutants
often
non-degradable
have
no
recognized
homeostasis
mechanism.
Their
mere
presence
aquatic
habitats
is
enough
direct
indirect
impact
systems.
anthropogenic
ancient
mining
regions
refers
areas
where
the
concentration
one
exceeds
normal
values.
disrupt
cellular
organelles
components
biological
Nanoscale
zero-valent
iron
promising
alternative
for
cleanup.
poisonous,
non-degradable,
bioaccumulate
biomagnify.
purpose
this
chapter
display
some
environmental
these
minerals,
which
includes
soil,
plants,
humans.
Nanomaterials,
Год журнала:
2022,
Номер
12(21), С. 3915 - 3915
Опубликована: Ноя. 6, 2022
Climate
change
significantly
affects
plant
growth
and
productivity
by
causing
different
biotic
abiotic
stresses
to
plants.
Among
the
stresses,
at
top
of
list
are
salinity,
drought,
temperature
extremes,
heavy
metals
nutrient
imbalances,
which
contribute
large
yield
losses
crops
in
various
parts
world,
thereby
leading
food
insecurity
issues.
In
quest
improve
plants'
stress
tolerance,
many
promising
techniques
being
investigated.
These
include
use
nanoparticles,
have
been
shown
a
positive
effect
on
performance
under
conditions.
Nanoparticles
can
be
used
deliver
nutrients
plants,
overcome
diseases
pathogens,
sense
monitor
trace
elements
that
present
soil
absorbing
their
signals.
A
better
understanding
mechanisms
nanoparticles
assist
plants
cope
with
will
help
towards
development
more
long-term
strategies
against
these
stresses.
However,
intensity
challenge
also
warrants
immediate
approaches
mitigate
enhance
crop
production
short
term.
Therefore,
this
review
provides
an
update
responses
(physiological,
biochemical
molecular)
affected
stress,
potentially
effective
production.
Taking
into
consideration
all
aspects,
is
intended
researchers
from
fields,
such
as
science
nanoscience,
understand
possible
innovative
deal
agriculture.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(3), С. 2430 - 2430
Опубликована: Янв. 26, 2023
Phytochelatins
(PCs)
are
small
cysteine-rich
peptides
capable
of
binding
metal(loid)s
via
SH-groups.
Although
the
biosynthesis
PCs
can
be
induced
in
vivo
by
various
metal(loid)s,
mainly
involved
detoxification
cadmium
and
arsenic
(III),
as
well
mercury,
zinc,
lead,
copper
ions,
which
have
high
affinities
for
S-containing
ligands.
The
present
review
provides
a
comprehensive
account
recent
data
on
PC
biosynthesis,
structure,
role
metal(loid)
transport
sequestration
vacuoles
plant
cells.
A
comparative
analysis
accumulation
hyperaccumulator
plants,
accumulate
their
shoots,
excluders,
roots,
investigates
question
whether
endogenous
concentration
determines
plant's
tolerance
to
metal(loid)s.
Summarizing
available
data,
it
concluded
that
not
hyperaccumulation
machinery,
though
they
play
key
homeostasis.
Unraveling
physiological
metal(loid)-binding
ligands
is
fundamental
problem
modern
molecular
biology,
physiology,
ionomics,
toxicology,
important
development
technologies
used
phytoremediation,
biofortification,
phytomining.
Agriculture,
Год журнала:
2023,
Номер
13(10), С. 1983 - 1983
Опубликована: Окт. 12, 2023
The
impact
of
heavy
metal
presence
in
soil
on
cereal
crops
is
a
growing
concern,
posing
significant
challenges
to
global
food
security
and
environmental
sustainability.
Cereal
crops,
vital
sources
nutrition,
face
the
risk
contamination
with
toxic
metals
released
into
environment
through
human
activities.
This
paper
explores
key
aspects
requiring
thorough
investigation
foster
innovation
understand
intricate
interactions
between
cereals.
Visible
symptoms
physiological
changes
resulting
from
contamination,
such
as
chlorosis
stunted
growth,
demand
further
research
devise
targeted
mitigation
strategies
sustainable
agricultural
practices.
Root
barrier
formation,
mycorrhizal
symbiosis,
metal-binding
proteins
emerge
critical
defence
mechanisms
for
combating
stress,
offering
opportunities
developing
metal-tolerant
varieties.
Research
bioavailability
safety
implications
grains
safeguard
health.
reveals
that
multidisciplinary
collaboration
cutting-edge
technologies
are
essential
promoting
beyond
state
art
elucidating
mitigating
impacts
crops.
Genetic
breeding
approaches
show
promise
varieties,
while
agronomic
practices
amendments
can
reduce
toxicity.
Unravelling
complex
underlying
uptake
tolerance
agriculture
worldwide
Embracing
pollution
proactive
secure
resilient
future
amid
evolving
conditions.
Plants,
Год журнала:
2024,
Номер
13(6), С. 913 - 913
Опубликована: Март 21, 2024
The
paper
provides
a
comprehensive
examination
of
heavy
metal
stress
on
medicinal
plants,
focusing
its
impact
antioxidant
capacity
and
biosynthetic
pathways
critical
to
their
therapeutic
potential.
It
explores
the
complex
relationship
between
metals
physiological
biochemical
responses
highlighting
how
disrupts
pathways,
altering
concentrations
secondary
metabolites.
This
disruption
may
compromise
overall
quality
efficacy
requiring
holistic
understanding
cumulative
impacts.
Furthermore,
study
discusses
potential
targeted
genetic
editing
enhance
plant
resilience
against
by
manipulating
genes
associated
with
defenses.
approach
represents
promising
frontier
in
safeguarding
plants
metal-contaminated
environments.
Additionally,
research
investigates
role
phytohormone
signaling
adaptive
mechanisms
stress,
revealing
influence
responses,
thereby
adding
complexity
adaptation.
underscores
importance
innovative
technologies
global
cooperation
protecting
plants’
highlights
need
for
mitigation
strategies
address
contamination
effectively.
Plant Cell Reports,
Год журнала:
2024,
Номер
43(3)
Опубликована: Фев. 27, 2024
The
escalating
challenges
posed
by
metal(loid)
toxicity
in
agricultural
ecosystems,
exacerbated
rapid
climate
change
and
anthropogenic
pressures,
demand
urgent
attention.
Soil
contamination
is
a
critical
issue
because
it
significantly
impacts
crop
productivity.
widespread
threat
of
can
jeopardize
global
food
security
due
to
contaminated
supplies
pose
environmental
risks,
contributing
soil
water
pollution
thus
impacting
the
whole
ecosystem.
In
this
context,
plants
have
evolved
complex
mechanisms
combat
stress.
Amid
array
innovative
approaches,
omics,
notably
transcriptomics,
proteomics,
metabolomics,
emerged
as
transformative
tools,
shedding
light
on
genes,
proteins,
key
metabolites
involved
stress
responses
tolerance
mechanisms.
These
identified
candidates
hold
promise
for
developing
high-yielding
crops
with
desirable
agronomic
traits.
Computational
biology
tools
like
bioinformatics,
biological
databases,
analytical
pipelines
support
these
omics
approaches
harnessing
diverse
information
facilitating
mapping
genotype-to-phenotype
relationships
under
conditions.
This
review
explores:
(1)
multifaceted
strategies
that
use
adapt
their
environment;
(2)
latest
findings
metal(loid)-mediated
metabolomics
studies
across
various
plant
species;
(3)
integration
data
artificial
intelligence
high-throughput
phenotyping;
(4)
bioinformatics
single
and/or
multi-omics
integration;
(5)
insights
into
adaptations
future
outlooks;
(6)
capacity
advances
creating
sustainable
resilient
thrive
metal(loid)-contaminated
environments.
Plant Cell & Environment,
Год журнала:
2024,
Номер
47(8), С. 2793 - 2810
Опубликована: Апрель 23, 2024
Due
to
their
stationary
nature,
plants
are
exposed
a
diverse
range
of
biotic
and
abiotic
stresses,
which
heavy
metal
(HM)
stress
poses
one
the
most
detrimental
targeting
plant
processes.
HMs
instigate
overproduction
reactive
oxygen
species
(ROS),
mitigate
adverse
effects
ROS,
induce
multiple
defence
mechanisms.
Besides
negative
implications
these
molecules
play
multitude
signalling
roles
in
plants,
acting
as
central
player
complex
network
cells.
One
ROS-associated
mechanisms
is
mitogen-activated
protein
kinase
(MAPK)
cascade,
pathway
transduces
extracellular
stimuli
into
intracellular
responses.
Plant
MAPKs
have
been
implicated
involved
response,
phytohormone
regulation,
cell
cycle
cues.
However,
influence
various
on
MAPK
activation
has
not
well
documented.
In
this
review,
we
address
summarise
several
aspects
related
HM-induced
ROS
signalling.
Additionally,
touch
how
signals
activate
cascade
downstream
transcription
factors
that
responses
HMs.
Moreover,
propose
workflow
could
characterise
genes
associated
with
during
HM
Plants,
Год журнала:
2024,
Номер
13(11), С. 1534 - 1534
Опубликована: Июнь 1, 2024
The
increase
in
industrialization
has
led
to
an
exponential
heavy
metal
(HM)
soil
contamination,
which
poses
a
serious
threat
public
health
and
ecosystem
stability.
This
review
emphasizes
the
urgent
need
develop
innovative
technologies
for
environmental
remediation
of
intensive
anthropogenic
pollution.
Phytoremediation
is
sustainable
cost-effective
approach
detoxification
contaminated
soils
using
various
plant
species.
discusses
detail
basic
principles
phytoremediation
its
ecological
advantages
over
other
methods
cleaning
areas
technical
viability.
Much
attention
been
given
selection
hyperaccumulator
plants
that
can
grow
on
metal-contaminated
soils,
biochemical
mechanisms
allow
these
isolate,
detoxify,
accumulate
metals
are
discussed
detail.
novelty
our
study
lies
reviewing
plant–microorganism
interactions
greatly
enhance
efficiency
as
well
discussing
genetic
modifications
could
revolutionize
cleanup
soils.
Moreover,
this
manuscript
potential
applications
beyond
detoxification,
including
role
bioenergy
production
biodiversity
restoration
degraded
habitats.
concludes
by
listing
problems
result
from
pollution
future
generations
still
overcome
suggests
promising
research
directions
integration
nano-
biotechnology
will
play
important
enhancing
effectiveness
phytoremediation.
These
contributions
critical
scientists,
policy
makers,
practitioners
seeking
utilize
maintain
stability
environment
restoration.
Ecotoxicology and Environmental Safety,
Год журнала:
2025,
Номер
289, С. 117661 - 117661
Опубликована: Янв. 1, 2025
To
investigate
the
remediation
effects
of
various
modified
biochar
materials
derived
from
different
impregnation
agents
on
Cd-
and
Pb-contaminated
calcareous
soil,
nitrogen
(N-),
phosphorus
(P-),
sulfur
(S-),
iron
(Fe-)
(NBC,
PBC,
SBC,
FBC)
were
fabricated
through
impregnation-pyrolysis
method
employed
to
immobilize
Pb
Cd
in
soil.
The
characterization
results
showed
that
NBC
exhibited
an
uneven
pore
size
distribution
increased
aromaticity,
while
PBC
SBC
had
pH
ash
content.
Pot
experiments
demonstrated
significantly
soil
immobilization
plant
uptake
Pb.
With
regard
pH,
FBC
caused
a
notable
decrease
both
rhizosphere
non-rhizosphere
areas,
other
increase.
NBC,
effectively
immobilized
reduced
their
accumulation
Chinese
cabbage
by
34.4
%-58.9
%
for
9.2
%-53.1
Pb,
with
having
best
effect,
attributed
complexation,
precipitation,
adsorption.
However,
strong
acidity
poor
ability,
which
available
concentrations
Additionally,
promoted
growth,
enzyme
activity,
tolerance
cabbage.
Overall,
identified
as
most
effective
stabilizing
reducing
heavy
metal
cabbage,
boosting
activity.