Microbial corrosion of high manganese austenitic steel by a sulfate reducing bacterium dominated by extracellular electron transfer and intergranular effect
Corrosion Science,
Год журнала:
2025,
Номер
unknown, С. 112799 - 112799
Опубликована: Фев. 1, 2025
Язык: Английский
BIOREMEDIATION: A SUPERIOR ALTERNATIVE FOR REMEDIATING TANNERY EFFLUENT-CONTAMINATED SOIL
FUDMA Journal of Sciences,
Год журнала:
2025,
Номер
9(2), С. 193 - 208
Опубликована: Фев. 28, 2025
Tannery
effluent
poses
significant
risks
to
soil
health,
primarily
through
contamination
with
heavy
metals
like
chromium,
sulphides,
and
persistent
organic
pollutants
(POPs).
These
toxic
substances
inhibit
microbial
activity,
reducing
nutrient
cycling
matter
decomposition
essential
for
fertility.
Beneficial
microorganisms,
including
nitrogen-fixing
bacteria,
are
particularly
affected,
leading
altered
communities
dominated
by
less
advantageous,
metal-tolerant
species.
Accumulation
of
POPs
disrupts
enzymatic
activities,
interferes
plant
root
growth,
complicates
remediation
efforts
due
pollutant
migration
groundwater
potential
entry
into
the
food
chain.
Prolonged
exposure
such
contaminants
diminishes
fertility,
reduces
resilience,
ecosystem
services,
posing
threats
agricultural
productivity
environmental
health.
This
review
was
aimed
outline
what
made
bioremediation
a
superior
treatment
technology
among
other
methods
used
in
remediating
tannery
contaminated
soil.
Efforts
mitigate
impacts
involve
combination
physical,
chemical,
biological
technologies.
Physical
washing,
flushing,
thermal
desorption
focus
on
removing
or
isolating
contaminants,
while
chemical
approaches
as
oxidation,
reduction,
stabilization
transform
harmful
forms
immobilize
them.
Biological
leverages
microorganisms
plants
detoxify
sustainably.
Bioremediation
strategies
aid
bioaugmentation
biostimulation
do
enhance
activity
address
inorganic
effectively
more
than
physical
methods.
Another
excellent
called
phytoremediation
can
also
effectively,
Achieving
better
technique
should
be
coupled
stringent
industrial
regulations,
sustainable
tanning
methods,
stakeholder
awareness
Язык: Английский
Multifunctional Role of the Biological Sulfur Cycle in Wastewater Treatment: Sulfur Oxidation, Sulfur Reduction, and Sulfur Disproportionation
Desalination and Water Treatment,
Год журнала:
2025,
Номер
unknown, С. 101100 - 101100
Опубликована: Март 1, 2025
Язык: Английский
Sulfate-reducing bacteria in removal of pollutants: a promising candidate for bioremediation
World Journal of Microbiology and Biotechnology,
Год журнала:
2025,
Номер
41(4)
Опубликована: Апрель 1, 2025
Язык: Английский
Geo-Microbes in Rhizoremediation: Harnessing Potential of Sulphate-Reducing Bacteria for Mitigation of Xenobiotics Compounds
Опубликована: Янв. 1, 2025
Язык: Английский
Iron-based nanomaterials enhanced immobilization of Cd2+ and Pb2+ in mine wastewater and soil by Clostridium sulfidigenes HY-1
The Science of The Total Environment,
Год журнала:
2025,
Номер
978, С. 179429 - 179429
Опубликована: Апрель 16, 2025
Язык: Английский
Biomineralization of Cd2+ and Pb2+ by sulfate-reducing bacteria Desulfovibrio desulfuricans and Desulfobulbus propionicus
Frontiers in Environmental Science,
Год журнала:
2025,
Номер
13
Опубликована: Май 8, 2025
Sulfate
reducing
bacteria
(SRB)
is
considered
to
be
the
most
promising
alternative
biological
treatment
for
immobilization
of
heavy
metals
due
its
high
efficiency
and
low
cost.
However,
mechanism
underlying
biomineralization
process
has
remained
unclear.
In
this
study,
kinetics
effects
Cd2+
Pb2+
mineralization
by
sulfate-reducing
Desulfovibrio
desulfuricans
Desulfobulbus
propionicus
were
investigated
based
on
microbial
technology,
scanning
electron
microscope
energy
dispersive
spectroscopy
(SEM-EDS),
transmission
(TEM),
X-ray
diffractometer
(XRD),
Raman
spectra
photoelectron
(XPS),
used
reveal
SRB
treatment.
The
results
showed
that
D.
had
a
more
efficient
metal
rate
than
desulfuricans,
up
98.97%
75.62%
at
initial
concentrations
30
60
mg/L
particularly.
respectively.
Both
achieved
80%
with
an
concentration
less
50
mg/L.
facilitate
precipitation
in
solution
primarily
as
CdS,
while
Pb
mineralized
removed
through
phosphate
oxide
precipitates
PbS
via
their
metabolic
activities
involving
sulfate
conversion.
This
research
suggested
mediated
reduction
should
have
prospects
broad
application
bioremediation
mine
drainage.
Язык: Английский
Comprehensive Assessment of Potentially Toxic Element (PTE) Contamination in Honey from a Historically Polluted Agro-Industrial Landscape: Implications for Agricultural Sustainability and Food Safety
Agriculture,
Год журнала:
2025,
Номер
15(11), С. 1176 - 1176
Опубликована: Май 29, 2025
Honey
is
increasingly
recognized
not
only
as
a
functional
food
but
also
potential
bioindicator
of
environmental
pollution.
This
study
assessed
the
concentrations
four
potentially
toxic
elements
(PTEs)—lead
(Pb),
cadmium
(Cd),
copper
(Cu),
and
zinc
(Zn)—in
48
multifloral
honey
samples
collected
in
2023
from
seven
locations
across
historically
polluted
agro-industrial
region
Romania.
Samples
were
analyzed
using
Flame
Atomic
Absorption
Spectrometry
(FAAS)
Graphite
Furnace
AAS
(GFAAS),
with
quality
control
ensured
through
certified
reference
materials.
Results
revealed
that
Pb
(0.72–1.69
mg/kg)
Cd
(0.02–0.37
levels
consistently
exceeded
international
safety
thresholds,
while
Cu
(0.62–2.22
Zn
(0.91–1.93
mg/kg),
although
essential
nutrients,
found
elevated
concentrations.
Spatial
analysis
indicated
general
trend
higher
contamination
sites
located
closer
to
former
industrial
facilities,
influenced
by
factors
such
altitude
atmospheric
transport.
These
findings
confirm
persistent
burden
post-industrial
landscapes
support
use
cost-effective
tool
for
pollution
monitoring.
The
underscores
need
targeted
policies,
sustainable
apicultural
practices,
continued
surveillance
protect
ecosystem
health
safety.
Язык: Английский
How do wheat straw and sulfate application drive redox state and microbial communities to impact sulfur transformation in waterlogged paddy soils?
Environmental Technology & Innovation,
Год журнала:
2024,
Номер
unknown, С. 103992 - 103992
Опубликована: Дек. 1, 2024
Язык: Английский
Differential Effects of Sulfur Fertilization on Soil Microbial Communities and Maize Yield Enhancement
Agronomy,
Год журнала:
2024,
Номер
14(10), С. 2251 - 2251
Опубликована: Сен. 29, 2024
Sulfur
(S)
is
an
essential
nutrient
for
plant
growth,
influencing
not
only
crop
yields
but
also
the
composition
and
function
of
soil
microbial
communities.
However,
differential
effects
S
fertilization
on
abundant
rare
taxa
in
agricultural
soils
remain
poorly
understood.
This
study
investigates
impact
different
fertilizer
types
maize
yield
structure
stability
communities,
with
a
particular
focus
taxa.
led
to
significant
increases
two
typical
(black
sandy
soil)
(5.3–24.3%)
altered
properties,
including
reducing
pH
(0.04–0.20)
increasing
available
sulfur
(AS)
content
(3.8–8.0
mg
kg−1),
ammonium
sulfate
having
more
pronounced
effect
than
elemental
sulfur.
Microbial
analysis
revealed
distinct
impacts
diversity
community
both
Elemental
reduced
alpha
sulfate,
while
NMDS
indicated
shifts
structures,
particularly
among
Network
showed
that
decreased
complexity
interactions
taxa,
leading
simpler
networks
resulting
higher
modularity.
SEM
highlighted
played
crucial
role
yield,
alongside
direct
from
properties
such
as
AS
SAR
(aryl
sulfatase).
Functional
predictions
demonstrated
amino
acid
metabolism
xenobiotic
biodegradation
pathways
were
enriched
suggesting
implications
health
productivity.
provides
new
insights
into
roles
bacterial
under
fertilization,
emphasizing
their
importance
optimizing
strategies
enhanced
specific
types.
Язык: Английский