Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(12), P. 1323 - 1323
Published: Dec. 11, 2024
Understanding
the
interactions
among
biochar,
plants,
soils,
and
microbial
communities
is
essential
for
developing
effective
eco-friendly
soil
remediation
strategies.
This
study
investigates
role
of
cystamine-modified
biochar
(Cys-BC)
in
alleviating
cadmium
(Cd)
toxicity
lettuce,
comparing
its
effects
to
those
raw
biochar.
Lettuce
plants
were
exposed
Cd
stress
(1–5
mg
kg−1),
Cys-BC
assessed
by
measuring
plant
biomass,
photosynthetic
efficiency,
antioxidant
activity,
bioavailability,
diversity.
significantly
enhanced
with
increases
above-ground
growth
(40.54–44.95%)
root
biomass
(37.54–47.44%)
compared
Cd-stressed
controls.
Photosynthetic
parameters
improved
up
91.02%
chlorophyll-a
content
37.93%
net
rate.
mitigated
oxidative
stress,
increasing
activities
73.83%
99.39%.
Additionally,
reduced
available
levels
soil,
primarily
through
cation
exchange
rather
than
changes
pH.
Plant
responses
included
increased
glutathione
reductase
activity
elevated
cysteine
levels,
which
further
contributed
passivation.
Microbial
diversity
increased,
particularly
sulfur-
nitrogen-cycling
bacteria
such
as
Deltaproteobacteria
Nitrospira,
suggesting
their
mitigating
stress.
These
findings
highlight
potential
an
agent
Cd-contaminated
soils.
International Journal of Phytoremediation,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 20
Published: Feb. 6, 2025
Cadmium
(Cd)
is
one
of
the
most
harmful
heavy
metals
in
environment,
negatively
impacting
plant
growth
and
development.
However,
phytoremediation
which
an
environmentally
friendly
cost-effective
technique
can
be
used
to
treat
Cd
contaminated
environments.
It
effectively
removes
from
polluted
soil
water
through
processes,
such
as
phytoextraction,
phytostabilization,
phytostimulation,
phytofiltration,
phytotransformation.
Numerous
research
has
shown
evidences
that
biological,
physical,
chemical,
agronomic,
genetic
methods
are
being
utilized
improve
phytoremediation.
A
special
group
plants
known
hyperaccumulator
further
enhance
removal,
turning
areas
into
productive
land.
These
accumulate
root
cell
vacuoles
aerial
parts.
Despite
morphological
variations,
different
species
remediate
at
rates
using
either
or
multiple
mechanisms.
To
effectiveness
phytoremediation,
it
essential
thoroughly
understand
mechanisms
control
accumulation
persistence
plants,
including
absorption,
translocation,
elimination
processes.
what
missing
understanding
depth
idea
on
how
limitations
overcome.
The
addressed
various
strategies,
natural
chemical
amendments,
engineering,
microbial
stimulation,
broadly
categorized
amelioration
capacity
enhancement
approaches.
This
review
presents
a
concise
overview
latest
employed
this
process.
Moreover,
also
underscores
creditability
pollution
offers
promising
approach
for
eliminating
sites
restoring
their
productivity.
Additionally,
we
recommend
directing
future
toward
enhancing
biochemical
capabilities
remediation
purposes,
elucidating
molecular
underlying
damage
caused
by
fundamental
principles
regulating
enrichment
plants.
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Aug. 27, 2024
Cadmium
(Cd)
is
a
biologically
non-essential
heavy
metal,
major
soil
pollutant,
and
extremely
harmful
to
plants.
The
phytohormone
methyl
jasmonate
(MeJA)
plays
an
important
role
in
plant
heavy-metal
resistance.
However,
the
understanding
of
effects
MeJA
supply
level
on
alleviating
Cd
toxicity
plants
limited.
Here,
we
investigated
how
regulated
development
physiological
processes
cell
wall
modification
Cosmos
bipinnatus.
We
found
that
low
concentrations
increased
dry
weight
seedlings
under
120
µM
stress
by
reducing
transport
from
roots
shoots.
Moreover,
threshold
concentration
exogenous
activities
superoxide
dismutase
(SOD),
peroxidase
(POD),
catalase
(CAT)
roots,
root
wall,
contents
pectin
hemicellulose
1
polysaccharides,
through
converting
into
pectin-bound
forms.
These
results
suggested
mitigated
modulating
polysaccharide
functional
group
composition,
especially
polysaccharides
binding
Cd,
with
capacity,
specific
chemical
forms
homeostatic
antioxidant
systems
C.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(7), P. 2856 - 2856
Published: March 21, 2025
In
recent
years,
there
have
been
many
studies
on
the
response
of
plants
to
heavy
metal
stress,
but
metabolic
changes
in
bryophytes,
pioneer
quickly
responding
environmental
changes,
under
exogenous
cadmium
(Cd)
stress
yet
be
explored.
this
indoor
experiment,
responses
metabolome
bryophyte
Tortella
tortuosa
(Hedw.)
Limpr.
different
Cd
exposure
levels
(0
(CK),
5
(T1),
and
10
(T2)
mg·L−1)
were
analyzed.
The
results
showed
that
number
differentially
accumulated
metabolites
(DAMs)
secreted
by
T.
increased
with
increase
concentration,
biosynthesis
cofactors,
D-Amino
acid
metabolism,
Arginine
biosynthesis,
ATP-binding
cassette
transporters
(ABC
transporters),
alkaloids
derived
from
shikimate
pathway
main
pathways
enriched
DAMs.
relative
abundances
malic
acid,
N-Formylkynurenine,
L-Glutamine,
L-Histidine,
LL-2,6-Diaminopimelic
fusaric
T2
treatment
16.06%,
62.51%,
14.51%,
11.92%,
21.37%,
35.79%,
respectively
(p
<
0.05),
compared
those
CK,
correlation
analysis
above
DAMs
closely
related
plant
antioxidant
enzyme
activity
concentration.
These
indicate
secretion
amino
(N-Formylkynurenine,
L-Histidine)
organic
acids
(isocitric
acid)
through
pathways,
including
acids,
glyoxylate
dicarboxylate
ABC
transporters,
is
mechanism
resist
stress.
This
study
will
provide
a
reference
for
monitoring
remediation
pollution.
