Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(12), P. 2592 - 2592
Published: Dec. 14, 2024
Soil
contamination
with
heavy
metals
is
a
significant
environmental
issue
that
adversely
affects
plant
growth
and
agricultural
productivity.
Biochar
microbial
inoculants
have
emerged
as
promising
approach
to
solving
this
problem,
previous
studies
focused
more
on
the
remediation
effects
of
single
types
materials
metal
soil
pollution.
This
study
examined
impact
both
standalone
combined
applications
distiller’s
grains
biochar,
Lactobacillus
plantarum
thallus,
bacterial
supernatant
availability
cadmium
(Cd),
lead
(Pb),
zinc
(Zn)
in
soil,
its
physicochemical
features,
enzyme
activities;
also
growth,
physiological
biochemical
characteristics,
accumulation
Sorghum-sudangrass.
The
findings
suggest
application
can
improve
soil’s
physical
chemical
properties
enhance
activity
while
reducing
soil.
Furthermore,
addition
these
promoted
increased
stress
resistance,
significantly
decreased
plants.
A
thorough
analysis
results
shows
applying
0.025%
thallus
along
4.4%
biochar
produced
best
results.
Biological Trace Element Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Abstract
Cadmium
(Cd)
is
a
dangerous
heavy
metal
that
causes
toxicity
in
humans
and
animals.
Various
protective
agents
are
being
investigated
to
ameliorate
the
toxic
effect
of
Cd.
Lactic
acid
bacteria
promising
as
agent
because
their
ability
remove
metals
from
contaminated
products.
The
aim
this
study
was
evaluate
effects
Lactobacillus
plantarum
on
biomarkers
associated
with
reproduction
inflammation
testes
rats
exposed
For
application,
were
randomly
divided
into
four
groups:
Control
group,
Cd
L.
combined
group
(Cd
+
).
At
end
21
days
oral
administration,
testicular
tissues
removed
mRNA
expression
levels
genes
(
Dazl
,
Amh
Ddx4
)
Tnf-α
Il-6
Cox-2
Inos
Foxo1
Foxo3
Nfkb
determined.
On
other
hand,
amounts
NOS2/iNOS,
8-ohdg,
Tnfα
analyzed
tissues.
mtDNA
copy
number
also
investigated.
caused
an
increase
level
inflammation-related
genes,
except
decrease
reproduction-related
genes.
It
increased
TNF-α,
iNOS,
8-OHdG
number.
However,
treatment
did
not
cause
significant
change
these
parameters.
Moreover,
exposure
combination
attenuated
observed
Cd-mediated
molecular
changes
tissue.
In
conclusion,
findings
suggest
administration
may
be
beneficial
against
Cd-induced
considered
biological
development
strategies
environmental
pollutants
further
studies.
Fermentation,
Journal Year:
2025,
Volume and Issue:
11(5), P. 236 - 236
Published: April 23, 2025
Yeasts
have
been
extensively
recognized
as
a
type
of
model
microorganism
due
to
their
facile
cultivation,
short
growth
cycle,
and
genetic
stability.
Different
yeast
strains,
such
Saccharomyces
cerevisiae
Rhodotorula
mucilaginosa,
exhibited
notable
sorption
capacities
for
heavy
metals
metalloids.
Yeast
employs
diverse
pathways
detoxifying
via
its
cell
walls,
intracellular
organelles,
extracellular
polymeric
substances
(EPSs).
The
wall
has
many
functional
groups
adsorb
metals,
decreasing
concentrations
in
the
environment.
In
regions,
some
proteins
are
capable
transporting
into
biological
metabolic
processes
detoxification.
electrostatic
well
complexation
mechanisms
between
protein
EPSs
is
accepted.
Meanwhile,
mannose
glucose
within
target
sugars
with
metals.
Many
yeasts
can
hence
work
excellent
biomaterials
bioremediation
metal
pollution.
they
be
combined
other
materials
enhance
remediation
efficiency.
This
study
reviews
underlying
cases
yeast-mediated
detoxification,
alongside
highlighting
yeasts’
industrial
applications
materials.
Water Practice & Technology,
Journal Year:
2024,
Volume and Issue:
19(9), P. 3882 - 3894
Published: Aug. 19, 2024
ABSTRACT
In
this
study,
selected
lactic
acid
bacteria,
including
Lactobacillus
helveticus,
Limosilactobacillus
fermentum,
and
Lactiplantibacillus
pentosus,
were
evaluated
for
their
potential
to
remove
Pb(II)
Cd(II)
ions
from
aqueous
solutions.
The
highest
removal
efficiency
was
achieved
at
a
pH
value
of
4.
Kinetic
modeling
using
the
pseudo-first-order,
pseudo-second-order,
intraparticle
diffusion
models
demonstrated
that
model
provided
best
fit
describing
adsorption
process.
results
study
indicated
among
three
bacteria
tested,
L.
fermentum
exhibited
maximum
capacity
4.95
mg
g−1,
followed
by
helveticus
4.91
g−1
pentosus
4.08
g−1.
contrast,
adsorption,
showed
4.38
3.45
2.86
mechanism
LAB
strains
involves
onto
bacterial
cell
surfaces,
where
interactions
such
as
ion
exchange,
electrostatic
attraction,
complexation
play
crucial
roles.
Overall,
hold
promising
various
applications
in
wastewater
treatment,
particularly
heavy
metal
ions.
