Toxics,
Год журнала:
2024,
Номер
12(12), С. 913 - 913
Опубликована: Дек. 17, 2024
Bioremediation,
involving
the
strategic
use
of
microorganisms,
has
proven
to
be
a
cost-effective
alternative
for
restoring
areas
impacted
by
persistent
contaminants
such
as
polycyclic
aromatic
hydrocarbons
(PAHs).
In
this
context,
aim
study
was
explore
hydrocarbon-degrading
microbial
consortia
prospecting
native
species
from
soils
contaminated
with
blends
diesel
and
biodiesel
(20%
biodiesel/80%
diesel).
After
enrichment
in
minimal
medium
containing
oil
sole
carbon
source
based
on
16S
rRNA,
Calmodulin
β-tubulin
gene
sequencing,
seven
fungi
12
bacteria
were
identified.
The
drop
collapse
test
indicated
that
all
fungal
four
bacterial
strains
capable
producing
biosurfactants
surface
tension
reduction
≥20%.
Quantitative
analysis
extracellular
laccase
production
revealed
superior
enzyme
activity
among
strains,
particularly
Stenotrophomonas
maltophilia
P05R11.
Following
antagonistic
testing,
compatible
formulated.
degradation
PAHs
TPH
(C5-C40)
present
significantly
higher
capacity
compared
isolated
strains.
best
results
observed
mixed
bacterial-fungal
consortium,
composed
Trichoderma
koningiopsis
P05R2,
Serratia
marcescens
P10R19
Burkholderia
cepacia
P05R9,
spectrum
≥91%
eleven
analyzed,
removing
93.61%
total
PAHs,
93.52%
(C5-C40).
Furthermore,
presents
first
report
T.
candidate
bioremediation
petroleum
hydrocarbons.
Microbial Cell Factories,
Год журнала:
2024,
Номер
23(1)
Опубликована: Июль 25, 2024
The
remediation
of
emerging
contaminants
presents
a
pressing
environmental
challenge,
necessitating
innovative
approaches
for
effective
mitigation.
This
review
article
delves
into
the
untapped
potential
soil
microbial
communities
in
bioremediation
contaminants.
Bioremediation,
while
promising
method,
often
proves
time-consuming
and
requires
deep
comprehension
intricacies
enhancement.
Given
challenges
presented
by
inability
to
culture
many
these
microorganisms,
conventional
methods
are
inadequate
achieving
this
goal.
While
omics-based
provide
an
approach
understanding
fundamental
aspects,
processes,
connections
among
microorganisms
that
essential
improving
strategies.
By
exploring
latest
advancements
omics
technologies,
aims
shed
light
on
how
can
unlock
hidden
capabilities
communities,
paving
way
more
efficient
sustainable
solutions.
Abstract
Our
aim
was
to
assess
the
physical
and
biochemical
properties
of
soil,
chemodiversity
dissolved
soil
organic
matter
(SOM),
arbuscular
mycorrhizal
fungi
(AMF)
community
associated
with
Ocotea
porosa
forests
in
Brazilian
Atlantic
Forest
biome.
We
evaluated
(i)
using
standard
protocols,
(ii)
SOM
its
optical
characterization
via
Fourier‐transform
ion
cyclotron
resonance
mass
spectrometry,
(iii)
AMF
structure
root
colonization
through
morphological
characterization.
The
highest
values
for
Ca
2+
,
Mg
SOM,
S,
P,
K
+
Zn
geometric
mean
diameter,
weighted
average
microbial
C
biomass,
respiration,
total
glomalin,
colonization,
oxalic
malic
acids,
carbohydrates,
lipids,
proteins/amino
sugars,
biological
index,
fluorescence
index
were
observed
preserved
plots.
also
found
differences
land
conservation
status:
Acaulosporaceae
Gigasporaceae
strongly
correlated
Claroideoglomus
claroideum
Funneliformis
mosseae
Rhizophagus
intraradices
more
prevalent
degraded
This
has
potential
increase
sequestration,
mitigate
climate
change,
contribute
preservation
an
endangered,
century‐old
tree
species
Bioremediation Journal,
Год журнала:
2025,
Номер
unknown, С. 1 - 17
Опубликована: Март 24, 2025
The
present
study
addresses
the
critical
problem
of
remediation
crude
oil
leachate,
which
is
generated
through
leaching
highly
recalcitrant
and
solubilized
fractions
from
petroleum
hydrocarbon-contaminated
sites
presents
a
significant
environmental
hazard.
leachate
used
in
this
showed
BOD/COD
ratio
0.14,
indicating
high
dominance
fraction.
Eight
bacterial
strains
were
selected
based
on
their
ability
to
solubilize
degrade
leachate.
isolates
biosurfactant
production
0.04–0.73%
facilitated
solubilization,
biodegradation
43.95–87.91%.
Bacillus
licheniformis
highest
degradation
as
well
among
all.
consortium
all
8
was
then
optimize
improve
performance.
Maximum
65.19%
obtained
at
pH
7,
30
°C
1%
inoculum
concentration.
First-order
kinetic
modeling
that
specific
rate
(k)
0.16/day
5%
reduced
0.05/day
25%
concentration,
representing
inhibitory
action
effectiveness
also
analyzed
leachate-contaminated
soil
microcosm.
Phytoremediation
using
Typha
latifolia
microbe-assisted
phytoremediation
served
complementary
treatment
approaches.
maximum
86.86%
observed
by
phytoremediation,
synergistic
both
plants
microbes
GC-FID
analysis
confirmed
reduction
components
different
bioremediation
treatments,
while
there
minimal
change
control
set.
microbial
revealed
increase
total
count
proportion
degrading
bacteria
treatments
compared
with
2.8
fold
27.6%
for
success
bioremediation.
remediated
samples
very
low
or
no
mutagenic
risk
set
Ames
test,
method.
