Microbiological Research,
Journal Year:
2024,
Volume and Issue:
285, P. 127771 - 127771
Published: May 20, 2024
Effluents
from
the
leather
tanning
industry
contain
diverse
pollutants,
including
hazardous
heavy
metals,
posing
threats
to
public
health
and
surrounding
environment.
Indigenous
bacterial
isolates
can
represent
an
eco-friendly
approach
for
tannery
wastewater
treatment;
however,
phenotypic
characterization
is
necessary
determine
whether
these
strains
are
suitable
bioremediation.
In
present
study,
we
analyzed
seven
new
Enterococcus
faecium
two
Bacillus
subtillis
isolated
effluents
Southern
Tunisian
Tannery
(ESTT).
We
evaluated
features
beneficial
bioremediation,
biofilm
formation,
hydrophobicity,
exoenzyme
activities.
Additionally,
examined
characteristics
naturally
occurring
in
environmental
bacteria
but
less
desirable
selected
such
as
antibiotic
resistances
pathogenicity
indicators.
The
observed
phenotypes
were
then
compared
with
whole-genome
analysis.
production
slime-producing
bacteria,
B.
licheniformis
RLT6,
E.
RLT8.
Hydrophobicity
of
RLT1,
RLT5,
RLT8,
RLT9,
well
RLT6
correlated
positively
increasing
ESTT
concentration.
Exoenzyme
activities
detected
RLT2,
RLT4,
RLT7,
RLT6.
As
anticipated,
all
exhibited
common
antibiotics
hemolysis,
which
widespread
nature
do
not
hinder
their
application
Importantly,
none
pathogenic
hypermucoviscosity
phenotype.
To
best
our
knowledge,
this
first
report
consolidating
concurrently,
providing
a
complete
overview
suitability
IMPORTANCE:
study
evaluates
bioremediation
potential
(ESTT),
pose
integrity.
analysis
primarily
examines
traits
crucial
activities,
related
metal
resistance,
resistances.
Several
found
have
high
exhibit
only
commonly
nature,
ensuring
remains
uncompromised.
results
exhaustive
contrasted
whole
genome
sequences
nine
strains,
underscoring
appropriateness
interventions
treatment.
Water,
Journal Year:
2024,
Volume and Issue:
16(6), P. 901 - 901
Published: March 20, 2024
Nitroaromatic
compounds
(NACs),
which
are
widely
used
in
pesticides,
explosives,
dyes,
and
pharmaceuticals,
include
nitrobenzene,
nitrotoluenes,
nitrophenols,
nitrobenzoates.
They
also
significant
industrial
pollutants
the
environment.
These
substances,
as
well
their
derivatives,
frequently
have
toxic
or
mutagenic
properties.
Wastewater
containing
nitroaromatic
can
be
effectively
managed
by
using
biological
treatment
methods
that
accessible,
cost-effective,
environmentally
friendly.
This
review
highlights
latest
developments
systems
for
removing
NACs
from
wastewater.
The
large-scale
implementation
of
will
facilitated
future
studies
focus
on
identifying
best
operational
determine
how
co-pollutants
impact
removal
Biotechnology and Genetic Engineering Reviews,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 48
Published: March 5, 2023
Nanomaterials
(NMs)
have
diverse
applications
in
various
sectors,
such
as
decontaminating
heavy
metals
from
drinking
water,
wastewater,
and
soil.
Their
degradation
efficiency
can
be
enhanced
through
the
application
of
microbes.
As
microbial
strain
releases
enzymes,
which
leads
to
HMs.
Therefore,
nanotechnology
microbial-assisted
remediation-based
methods
help
us
develop
a
remediation
process
with
practical
utility,
speed,
less
environmental
toxicity.
This
review
focuses
on
success
achieved
for
bioremediation
by
nanoparticles
strains
their
integrated
approach.
Still,
use
NMs
(HMs)
negatively
affect
health
living
organisms.
describes
aspects
materials
using
nanotechnology.
safe
specific
supported
bio-based
technology
paves
way
better
remediation.
We
discuss
utility
nanomaterials
removing
toxicity
studies
issues
environment
implications.
Nanomaterial
assisted
metal
coupled
disposal
are
described
along
detection
methods.
Environmental
impact
is
also
discussed
based
recent
work
conducted
researchers.
this
opens
new
avenues
future
research
an
issues.
Also,
applying
biotechnological
tools
will
routes.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
AbstractBackground:
Polycyclic
aromatic
hydrocarbon
contamination
presents
significant
environmental
challenges,
requiring
effective
bioremediation
solutions.
Methods:Bacillus
altitudinisDG4,
isolated
from
the
Damanganga
River
in
Vapi,
India,
was
investigated
for
its
genomic
characteristics
and
naphthalene
degradation
capabilities
using
whole
genome
sequencing
Gas
Chromatography-Mass
Spectrometry
(GC-MS)
analysis.
Results:
Genome
revealed
a
3,831,796
base
pair
with
4,120
protein-coding
sequences.
annotation
identified
genes
involved
diverse
metabolic
pathways
including
xenobiotic
degradation.
Pan-genome
analysis
of
122
B.
altitudinisgenomes
2,403
core
genes,
1,588
accessory
40
unique
strain
DG4.
Naphthalene
experiments
showed
that
DG4
exhibited
highest
efficiency
(90.0%)
among
five
isolates
tested,
despite
moderate
growth
rate.
GC-MS
confirmed
metabolism
formation
key
intermediates,
1-naphthalenol,
1,8-naphthalic
anhydride,
1-acenaphthanone,
benzoic
acid,
suggesting
specific
pathway.
Conclusion:
The
presence
associated
experimental
validation
highlight
strong
bioremoval
potential
altitudinis
naphthalene-contaminated
environments.
These
findings
contribute
to
understanding
microbial
mechanisms
support
development
strategies
polycyclic
pollution.
