Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
271, P. 115969 - 115969
Published: Jan. 21, 2024
Phytoremediation
is
an
effective
way
to
remediate
metal-contaminated
soils.
During
phytoremediation,
plants
immobilize
heavy
metals
through
the
roots
reduce
mobility,
toxicity
and
dispersal
of
metals,
changes
in
activity
are
often
accompanied
by
rhizosphere
ecosystems,
which
rhizobacteria
essential
components
interact
with
maintain
stability
ecosystem
improve
soil
health.
In
this
study,
phytoremediation
potential
Sasa
argenteostriata
(Regel)
E.G.
Camu
response
were
revealed
different
levels
lead-zinc
tailing
contamination
(Pb,
Zn,
Cd
concentrations
1197.53,
3243.40,
185.44
mg/kg
for
M1
2301.71,
6087.95,
364.00
M2,
respectively).
The
BCF
increased
increasing
pollution,
BCFPb,
BCFZn,
BCFCd
0.19,
0.27,
0.08,
respectively,
under
M2
treatment;
contrast,
TF
decreased
TFPb,
TFZn,
TFCd
0.39,
0.85,
0.07,
treatment.
mobility
Pb
was
higher
than
that
Zn
Cd,
percentage
residual
(Res)
increased,
while
acid-soluble
(Aci)
significantly
higher,
leading
obvious
uptake
roots.
Correlation
analysis
showed
affected
rhizobacterial
community
changing
pH,
contents
organic
matter
NRFM,
bacteria
such
as
Proteobacteria
MND1,
highly
resistant
(HMs),
became
dominant
species
community.
Further
PICRUSt2
reducing
metal
transport
across
membranes
efficiency
cellular
reproduction
main
metabolic
mechanisms
bacterial
tolerance
HMs.
Overall,
able
more
PbZn
tailing-contaminated
soil,
HMs
then
influencing
change
structure
metabolism
mechanism
adapt
HM-contaminated
environment,
fertility
together
promoted
health
soil.
This
study
first
illustrate
multimetal
tailings.
results
provide
some
guidance
practice
tailing-phytoremediation
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 8, 2025
Heavy
metals
are
commonly
present
in
polluted
soil
mining
areas.
In
this
study,
we
investigated
10
sites
of
farmland
the
heavy
metal
tailing
dam
collapse
area
(TDCA)
with
dominant
phyla
Acidobacteriota,
Proteobacteria,
Bacteroidetes,
and
Planctomycetes.
The
is
a
composite
contamination
multiple
metals,
Cd,
Pb
Zn
being
most
severely
contaminated,
levels
Hg
Cu
exceeding
screening
values
at
some
sites.
Shannon,
Chao1
ACE
indices
revealed
high
microbial
diversity
but
low
relative
abundance
microorganisms
TDCA1
TDCA3
results
redundancy
analysis
(RDA)
showed
that
(Max
=
4.31
mg/kg)
100
were
important
factors
affecting
community
TDCA
compared
to
other
metals.
Correlation
communities
RB41
(Acidobacteria)
was
more
resistant
concentrations
Pb,
pollution.
genera
UTCFX1
(Chloroflxi)
norank_TRA3-20
had
strong
tolerance
Hg.
significantly
negatively
correlated
norank_WD2101_soil_group
(P
<
0.05).
Therefore
these
can
be
used
as
indicators
for
monitoring
potential
contamination.
predict
changes
ecosystem
maintain
its
ecological
balance
health.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(2), P. 405 - 405
Published: Feb. 17, 2024
Fungal-bacterial
combinations
have
a
significant
role
in
increasing
and
improving
plant
health
under
various
stress
conditions.
Metabolites
secreted
by
fungi
bacteria
play
an
important
this
process.
Our
study
emphasizes
the
significance
of
secondary
metabolites
fungus
Chinese Herbal Medicines,
Journal Year:
2024,
Volume and Issue:
16(2), P. 180 - 189
Published: Feb. 24, 2024
Rhizosphere
microorganisms,
as
one
of
the
most
important
components
soil
microbiota
and
plant
holobiont,
play
a
key
role
in
medicinal
plant-soil
ecosystem,
which
are
closely
related
to
growth,
adaptability,
nutrient
absorption,
stress
tolerance
pathogen
resistance
host
plants.
In
recent
years,
with
wide
application
molecular
biology
omics
technologies,
outcomes
rhizosphere
microorganisms
on
health,
biomass
production
secondary
metabolite
biosynthesis
plants
have
received
extensive
attention.
However,
whether
or
what
extent
can
contribute
construction
quality
evaluation
system
Chinese
materials
is
still
elusive.
Based
significant
microbes
survival
formation
plants,
this
paper
proposed
new
concept
microbial
markers
(micro-markers),
expounded
relevant
research
methods
ideas
applying
concept,
highlighted
importance
micro-markers
control
traditional
medicines
(TCMs),
introduced
potential
value
environmental
assessment,
pest
assessment
TCMs.
It
provides
reference
for
developing
ecological
planting
TCMs
ensuring
high
by
regulating
communities.
Tree Physiology,
Journal Year:
2024,
Volume and Issue:
44(2)
Published: Jan. 15, 2024
Abstract
The
level
of
cadmium
(Cd)
accumulation
in
orchard
soils
is
increasing,
and
excess
Cd
will
cause
serious
damage
to
plants.
Melatonin
a
potent
natural
antioxidant
has
potential
role
alleviating
stress.
This
study
aimed
investigate
the
effects
exogenous
melatonin
on
root
endophyte
bacteria
community
metabolite
composition
under
results
showed
that
significantly
scavenged
reactive
oxygen
species
restored
photosynthetic
system
(manifested
by
improved
parameters,
total
chlorophyll
content
fluorescence
parameters
(Fv/Fm)),
increased
activity
enzymes
(the
activities
catalase,
superoxide
dismutase,
peroxidase
ascorbate
oxidase)
reduced
concentration
roots
leaves
apple
High-throughput
sequencing
endophytic
bacterial
richness
changed
structure
abundance
some
potentially
beneficial
(Ohtaekwangia,
Streptomyces,
Tabrizicola
Azovibrio)
significantly,
indicating
plants
may
absorb
microorganisms
resist
metabolomics
metabolites,
relative
metabolites
decreased,
suggesting
stress
depleting
metabolites.
In
addition,
co-occurrence
network
analysis
indicated
endophytes
be
influenced
specific
These
provide
theoretical
basis
for
studying
metabolic
