Toxics,
Journal Year:
2024,
Volume and Issue:
12(6), P. 402 - 402
Published: May 31, 2024
In
this
study,
the
degradation
system
of
Shewanella
oneidensis
MR-1
and
goethite
was
constructed
with
chlorpyrifos
as
target
contaminant.
The
effects
initial
pH,
contaminant
concentration,
temperature
on
removal
rate
during
process
were
investigated.
experimental
conditions
optimized
by
response
surface
methodology
a
Box–Behnken
design
(BBD).
results
show
that
is
75.71%
at
pH
=
6.86,
an
concentration
19.18
mg·L−1,
30.71
°C.
LC-MS/MS
analyses
showed
products
C4H11O3PS,
C7H7Cl3NO4P,
C9H11Cl2NO3PS,
C7H7Cl3NO3PS,
C9H11Cl3NO4P,
C4H11O2PS,
C5H2Cl3NO.
Presumably,
pathways
involved
are:
enzymatic
degradation,
hydrolysis,
dealkylation,
desulfur
dechlorination.
findings
study
demonstrate
efficacy
goethite/S.
complex
in
from
water.
Consequently,
research
contributes
to
establishment
theoretical
framework
for
microbial
remediation
organophosphorus
pesticides
aqueous
environments.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(21), P. 15969 - 15969
Published: Nov. 4, 2023
Pesticides
are
chemicals
used
in
agriculture,
forestry,
and,
to
some
extent,
public
health.
As
effective
as
they
can
be,
due
the
limited
biodegradability
and
toxicity
of
them,
also
have
negative
environmental
health
impacts.
Pesticide
biodegradation
is
important
because
it
help
mitigate
effects
pesticides.
Many
types
microorganisms,
including
bacteria,
fungi,
algae,
degrade
pesticides;
microorganisms
able
bioremediate
pesticides
using
diverse
metabolic
pathways
where
enzymatic
degradation
plays
a
crucial
role
achieving
chemical
transformation
The
growing
concern
about
impacts
pushing
industry
these
products
develop
more
sustainable
alternatives,
such
high
biodegradable
chemicals.
degradative
properties
could
be
fully
exploited
advances
genetic
engineering
biotechnology,
paving
way
for
bioremediation
strategies,
new
technologies,
novel
applications.
purpose
current
review
discuss
that
demonstrated
their
capacity
those
categorized
by
World
Health
Organization
impact
may
on
human
A
comprehensive
list
presented,
enzymes
pesticide
genetics
behind
this
process
discussed.
Due
number
known
capable
degrading
low
described
purpose,
research
must
conducted
field,
genes
yet
discovered
with
possibility
finding
efficient
biodegradation.
Topics in Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 27, 2024
Abstract
Emerging
pollutants,
also
referred
to
as
emerging
contaminants,
are
substances
that
have
recently
been
recognized
or
gaining
attention
due
their
potential
adverse
impacts
on
the
environment,
human
health,
ecosystems.
These
pollutants
present
a
significant
threat
both
environmental
and
well-being
challenging
eliminate
using
conventional
remediation
methods.
Extremophiles,
organisms
adapted
extreme
conditions
like
high
low
temperatures,
pressure,
elevated
salt
concentrations,
play
crucial
role
in
this
context.
They
produce
diverse
array
of
enzymes
capable
breaking
down
complex
organic
compounds,
some
which
remain
stable
functional
even
harsh
conditions,
making
extremophiles
well-suited
for
use
bioremediation
applications.
Numerous
studies
demonstrated
capability
degrade
various
including
toxic
solvents,
heavy
metals,
industrial
chemicals.
Halophilic
archaea,
type
extremophile,
particularly
shown
promise
degrading
contaminants
marsh
sediments.
Despite
potential,
there
challenges
associated
with
bioremediation,
such
limited
availability
extremophilic
microorganisms
specific
reduction
enzyme
stability
when
operating
outside
optimum
range.
Nevertheless,
ongoing
research
field
is
anticipated
result
development
new
innovative
strategies
effectively
removing
from
environment.
