Environmental Chemistry and Ecotoxicology,
Journal Year:
2024,
Volume and Issue:
6, P. 117 - 131
Published: Jan. 1, 2024
The
escalating
production
and
ubiquitous
presence
of
plastics
their
degradation
products,
such
as
microplastics
nanoplastics,
pose
a
significant
environmental
threat.
Microplastics
enter
the
soil
through
various
pathways,
including
agricultural
practices,
plastic
degradation,
wastewater
disposal.
Herein,
we
discussed
harmful
effects
on
physicochemical
properties
soil,
plant
growth,
terrestrial
fauna,
microbial
activity,
potentially
affecting
stability
nutrient
cycle
ecosystem.
This
review
delves
into
recent
advances
in
potential
microplastic
bioremediation
approaches,
phytoremediation
strategies
utilized
by
plants
associated
microbes
to
accumulate,
immobilize,
even
degrade
microplastics.
Rhizosphere
microorganisms
play
crucial
role
microplastics,
utilizing
them
carbon
source.
Soil
animals
like
earthworms,
snails,
mealworms
can
also
contribute
significantly
ingesting
degrading
gut
microbiota.
Various
microorganisms,
bacteria
fungi,
different
with
help
enzymes
laccase,
esterase,
peroxidase,
oxidoreductase,
hydrolases
depolymerise
larger
polymer
chains
smaller
units
that
ultimately
mineralize
CO2,
H2O,
CH4.
Genetic
engineering
synthetic
biology
are
used
create
strains
enhanced
mineralization
capabilities.
It
holds
promise
for
efficient
but
requires
further
research
real-world
application
scalable
implementation.
Overall,
this
comprehensively
highlights
approaches
future
recommendations
tackling
pollution.
Further
development
enhancing
biodegradation
efficiency
scaling
up
strategy
protection.
Discover Environment,
Journal Year:
2024,
Volume and Issue:
2(1)
Published: Aug. 8, 2024
Abstract
This
review
explores
the
hidden
hazards
associated
with
reuse
of
treated
wastewater
and
sewage
sludge
in
agriculture
while
proposing
mitigation
strategies.
It
examines
origins
pathways
microplastics
(MPs)
treatment
plants
how
these
pollutants
infiltrate
agricultural
ecosystems.
The
assesses
effectiveness
MP
removal
from
its
fate
soil
after
reuse,
highlighting
contamination
dynamics
need
for
proactive
measures.
Introducing
remediation
methods
is
crucial
addressing
this
issue.
Alarming
evidence
MPs
human
blood,
testis,
semen,
placenta
underscores
urgency
solutions,
revealing
significant
threats
to
health,
particularly
reproductive
health.
advocates
sustainable
practices
effective
strategies
mitigate
contamination,
promoting
environmental
preservation,
food
safety,
health
protection.
Graphical
ABSTRACT
Microplastics
have
received
increased
attention
due
to
their
negative
impacts
on
the
environment
and
human
health.
To
minimize
these
impacts,
mitigation
strategies
that
are
efficient
cost‐effective
for
a
range
of
plausible
conditions
need
be
developed.
Models
can
used
support
mitigation‐related
decisions.
However,
modeling
studies
related
export
microplastics
from
terrestrial
aquatic
systems
been
limited.
Here,
we
review
such
studies,
trends
over
time
geography
focus,
discuss
pertinent
concepts
underlying
physical,
chemical,
biological
processes.
We
categorize
published
limitations,
provide
recommendations
future
research
fill
key
knowledge
gaps.
Future
efforts
should
focus
collecting
more
comprehensive
field
data
validation,
developing
continuous
models
event‐based,
conducting
experimental
better
understand
fundamental
processes,
hybrid
frameworks,
adopting
sediment
transport
approaches,
incorporating
land
management
practices
in
models,
integrating
surface
sub‐surface
processes
at
watershed
scale,
utilizing
advanced
data‐driven
like
foundation
models.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
346, P. 123656 - 123656
Published: Feb. 24, 2024
A
mesocosm
experiment
was
set-up
to
investigate
the
effects
of
low-density
polyethylene
(LDPE)
fragments
deriving
from
plastic
film
on
soil
ecology,
rhizosphere
and
plant
(Salvia
officinalis
L.)
fitness.
The
internal
transcribed
spacer
(ITS)
16S
metagenomic
analysis
adopted
evaluate
taxonomic
functional
shifts
both
under
influence
microplastics
(MPs).
Photosynthetic
parameters
enzymes
involved
in
oxidative
stress
were
assessed
unveil
physiological
state.
MP
analysed
by
scanning
electron
microscope
(SEM)
metagenomics
plastisphere.
Microbial
biomarkers
MPs
pollution
identified
rhizosphere,
reinforcing
concept
molecular
biomonitoring.
Overall,
Bacillus,
Nocardioides
Streptomyces
genera
are
bacterial
whereas
Aspergillus,
Fusarium
Trichoderma
genera,
Nectriaceae
family
fungal
polluted
soil.
data
show
that
presence
promotes
abundance
taxa
N
cycle,
but
simultaneously
reduces
endophytic
interaction
capability
enhances
pathogen
related
functions
at
level.
significant
decrease
chlorophyll
levels
increase
observed
plants
grown
MPs-polluted
SEM
observations
revealed
a
complex
colonisation,
where
bacteria
(Bacillus
MPSo
Microvirga
MPRz)
fungi
(Aspergillus
represent
main
colonisers.
results
demonstrate
causes
changes
microbial
community
leading
negative
