PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(1), P. e0307918 - e0307918
Published: Jan. 29, 2025
Arsenic-resistant
Klebsiella
oxytoca
strain
AT-02
was
isolated
from
the
ground
water
of
Multan
region
Pakistan.
The
displayed
high
arsenite
and
arsenate
resistance
as
minimal
inhibitory
concentration
(MIC)
600ppm
10,000ppm
respectively.
tolerance
towards
can
be
postulated
due
to
significant
increase
in
biofilm
response
arsenate.
bacterial
exposed
1/2
3/4
MIC
showed
a
10
12
folds
expression
efflux
gene
arsB.
Sequential
structural
comparison
arsB
presence
conserved
arsenic
binding
residues.
Arsenic
remediation
by
biomass
50%
after
0.5
hours
incubation
66%
2
hours.
efficiency
with
time
indicates
its
biosorption
potential.
sensitive
NK11
only
4-5%
remediation.
Fourier
transform
infrared
spectroscopy
(FTIR)
analysis
confirmed
interaction
functional
groups
(aromatic
amino
acid
residues)
on
cell
surface
leading
characteristic
peak
shifts.
Thus,
has
potential
remediate
both
contaminated
environmental
sites.
Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
35, P. 103649 - 103649
Published: April 27, 2024
Heavy
metal-antibiotic
complex
contamination
in
soil
has
raised
much
attention.
Biochar
is
a
common
conditioner
and
pollutant
barrier
agent.
However,
there
rare
research
about
biochar
control
effectiveness
on
heavy
metals
antibiotics
plant-soil
system.
This
work
evaluated
the
impact
of
applying
unmodified
(M)
H3PO4-modified
(PM)
Cd,
OTC,
antibiotic
resistance
genes
(ARGs)
distribution
pakchoi
(Brassica
chinensis
L.)
by
pot
experiment.
can
improve
quality,
antioxidative
defense
responses
plant
enzymes
activity,
physiochemical
properties,
microbial
community
soil.
The
content
ARGs
were
significantly
reduced
after
biochar.
There
was
73.08–78.48%
decrease
rate
relative
abundance
ARGs,
58.96%–59.66%
OTC
content,
71.65%–79.64%
available
Cd
when
had
been
added
to
with
contaminations.
addition
1.5%
converted
exchangeable
residual
fraction.
Furthermore,
PM
led
greater
reduction
mobility
their
accumulation
compared
M
also
mitigated
phytotoxicity
improved
quality
activity.
could
reduce
Proteobacteria,
Actinobacteria,
Planctomycetes,
Gemmatimonadetes,
Firmicutes
abundancies.
Soil
organic
matter
accounted
for
greatest
proportion
variation
ARGs.
Overall,
use
biochar,
particularly
promising
approach
remediating
contaminated
multiple
pollutants.
The
prevalence
of
cadmium
(Cd)-polluted
agricultural
soils
is
increasing
globally,
and
arbuscular
mycorrhizal
fungi
(AMF)
can
reduce
the
absorption
heavy
metals
by
plants
improve
mineral
nutrition.
However,
immobilization
rhizosphere
on
often
overlooked.
In
this
study,
Bioengineered,
Journal Year:
2022,
Volume and Issue:
13(6), P. 14730 - 14748
Published: June 1, 2022
The
increased
antibiotic
consumption
and
their
improper
management
led
to
serious
pollution
its
exposure
the
environment
develops
multidrug
resistance
in
microbes
against
antibiotics.
entry
rate
of
antibiotics
is
much
higher
than
exclusion;
therefore,
efficient
removal
a
high
priority
reduce
harmful
impact
on
human
health
environment.
Recent
developments
cost-effective
biochar
preparation
are
noticeable
for
effective
removal.
Moreover,
engineering
advancements
enhanced
remediation
performance
several
folds
more
pristine
forms.
Biochar
provides
new
interactions
bonding
abilities
with
pollutants
increase
efficiency.
Especially
heteroatoms-doping
significantly
catalysis
biochar.
main
focus
this
review
underline
crucial
role
abatement
emerging
pollutants.
A
detailed
analysis
both
native
engineered
provided
article
remediation.
There
has
also
been
discussion
how
properties
relate
feedstock,
production
conditions
manufacturing
technologies,
techniques.
It
possible
produce
different
surface
functionalities
by
varying
feedstock
or
modifying
chemicals
preparing
composites.
Subsequently,
interaction
was
compared
reviewed.
Depending
biochar,
they
offer
types
e.g.,
π-π
stacking,
electrostatic,
H-bonding
adsorb
surface.
This
demonstrates
related
composites
have
optimized
maximum
regulating
key
parameters.
Furthermore,
future
research
directions
opportunities
discussed.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
262, P. 115180 - 115180
Published: June 26, 2023
Heavy
metals
(HMs)
and
microplastics
(MPs)
are
two
emerging
factors
threatening
global
food
security.
Whether
long-term
MPs
pollution
will
affect
the
distribution
of
HMs
their
resistance
genes
(MRGs)
in
soil
is
unknown.
Here,
metagenomic
approach
was
used
to
decipher
fate
MRGs
cropland
soils
with
film
residues.
Similar
pattern
formed
contaminated
soil.
A
total
202
MRG
subtypes
were
detected,
for
Multimetal,
Cu,
As
being
most
prevalent
type
MRGs.
a
modular
five
clusters
centered
on
including
ruvB
also
tight
co-occurrence
networks
mobile
genetic
elements
(MGEs:
integrons,
insertions
plasmids).
Redundancy
analysis
showed
that
together
microbial
communities
MGEs
affected
Thirteen
genera
Pseudomonas
identified
as
potential
hosts
MGEs.
The
research
provides
preliminary
progress
synergistic
effect
affecting
ecological
needs
be
considered
remediation
soils.
