Critical Reviews in Environmental Science and Technology,
Journal Year:
2023,
Volume and Issue:
54(6), P. 486 - 507
Published: Sept. 5, 2023
AbstractMicroplastics
(MPs)
are
emerging
contaminants
that
adversely
affect
environmental
health.
In
this
review,
we
discuss
the
uptake
of
MPs
by
plants
via
endocytosis
and
crack-entry
pathways
in
roots
stomata
leaves;
translocation
xylem
phloem;
toxicity
to
diverse
plant
species
through
oxidative
stress,
inhibition
photosynthesis,
cytotoxicity,
genotoxicity.
It's
difficult
assess
health
risks
because
they
directly
cause
also
change
soil
properties
bioavailability
coexisting
pollutants,
such
as
plastic
additives,
rhizosphere,
bioaccumulate
along
food
chain.
Moreover,
compared
behavior
phytotoxicity
effects
laboratory
hydroponic
studies,
various
shapes,
sizes,
types
likely
different
on
complex
natural
environments.
This
review
proposes
potential
phytoremediation
strategies,
including
phytoextraction,
immobilization,
rhizoremediation,
for
MP
pollutants
provides
guidelines
bioremediation
MP-contaminated
environments
enhance
sustainability.
pollution,
selection
disposal
used
optimization
functional
microbes
rhizosphere
remain
challenging.
Future
studies
should
address
knowledge
gaps
(i)
methods
determining
environmentally-relevant
concentrations
MPs,
(ii)
assessment
ecological
human
environment,
(iii)
development
effective
strategies
pollution.Keywords:
Emerging
contaminantenvironmental
healthplastic
additiverhizosphere
effectsoil
propertyuptakeHandling
Editors:
Chang-Ping
Yu
Lena
Q.
Ma
Disclosure
statementNo
conflict
interest
was
reported
author(s).Additional
informationFundingThis
work
supported
National
Natural
Science
Foundation
China
(42107244,
41820104009),
Engineering
Research
Council
Canada
(NSERC,
RGPIN-2018–05700),
Jiangsu
Province
(BK20210486),
Planned
Projects
Postdoctoral
Funds
(2021K445C).
We
thank
Prof.
Feng
He
assisting
with
revision
editing.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Aug. 11, 2023
Microplastic
(MP)
pollution
is
becoming
a
global
problem
due
to
the
resilience,
long-term
persistence,
and
robustness
of
MPs
in
different
ecosystems.
In
terrestrial
ecosystems,
plants
are
exposed
MP
stress,
thereby
affecting
overall
plant
growth
development.
This
review
article
has
critically
analyzed
effects
stress
plants.
We
found
that
stress-induced
reduction
physical
accompanied
by
two
complementary
effects:
(i)
blockage
pores
seed
coat
or
roots
alter
water
nutrient
uptake,
(ii)
induction
drought
increased
soil
cracking
MPs.
Nonetheless,
physiological
under
four
excessive
production
ROS,
alteration
leaf
root
ionome,
(iii)
impaired
hormonal
regulation,
(iv)
decline
chlorophyll
photosynthesis.
Considering
that,
we
suggested
targeting
redox
regulatory
mechanisms
could
be
beneficial
improving
tolerance
plants;
however,
antioxidant
activities
highly
dependent
on
species,
tissue,
type,
dose.
also
indirectly
reduces
altering
productivity.
However,
MP-induced
negative
vary
presence
surface
functional
groups
particle
sizes.
end,
utilization
agronomic
approaches,
including
application
regulators,
biochar,
replacing
plastic
mulch
with
crop
residues,
diversification,
biological
degradation,
ameliorate
The
efficiency
these
methods
MP-type-specific
dose-dependent.
TrAC Trends in Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
174, P. 117667 - 117667
Published: March 25, 2024
Microplastics
(MPs),
miniscule
plastic
particles
measuring
less
than
5
mm
in
size,
have
become
a
concern
terrestrial
ecosystems,
with
primarily
agricultural
and
wetland
soils
being
the
highest
loadings.
The
adverse
effect
of
MPs
might
lead
to
changes
physicochemical
biological
characteristics
soil
including
properties,
microbial
communities,
plants,
as
well
potential
or
affirmed
correlations
among
them.
Therefore,
understanding
risks
effects
MPs,
particularly
within
soil-plant-microbe
context
is
challenging
subject
substantial
scientific
inquiry.
This
comprehensive
review
focused
on
rhizosphere
plant-microbe
symbiotic
relationships,
implications
for
plant
growth
ecosystem-level
nutrient
fluxes.
alter
community
composition,
enzymatic
activities
rhizosphere,
influencing
availability
uptake
by
plants.
These
can
disrupt
interactions,
such
mycorrhizal
associations
nitrogen-fixing
symbioses,
ultimately
impacting
cycling
nutrients
ecosystems.
Furthermore,
we
elaborate
relationships
carrying
Future
research
directions
solutions
microplastics
menace
acknowledging
combined
other
contaminants,
advanced
technologies
identification
quantification,
engineering
remediation.
knowledge
MPs-induced
impacts
interactions
essential
generate
mitigating
actions
environmental
management
conservation.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
251, P. 114526 - 114526
Published: Jan. 11, 2023
The
extensive
use
of
plastic
products
and
rapid
industrialization
have
created
a
universal
concern
about
microplastics
(MPs).
MPs
can
pose
serious
environmental
risks
when
combined
with
heavy
metals.
However,
current
research
on
the
effects
hexavalent
chromium
[Cr(VI)]
plants
is
insufficient.
Herein,
14-day
hydroponic
experiment
was
conducted
to
investigate
impact
PVC
(100
200
mg/L)
Cr(VI)
(5,
10,
20
μM)
alone
in
combination
sweet
potato.
Results
showed
that
affected
plant
growth
parameters
significantly,
but
did
not.
application
resulted
decrease
height
(24-65%),
fresh
biomass
per
(36-71%),
chlorophyll
content
(16-34%).
bioaccumulation
increased
increase
its
doses,
highest
concentration
leaves
(16.45
mg/kg),
stems
(13.81
roots
(236.65
mg/kg).
MPs-induced
inhibition
varied
doses.
Osmolytes
antioxidants,
lipid
peroxidation,
H2O2
contents
were
significantly
increased,
while
antioxidant
enzymes
except
CAT
decreased
increasing
mixed
treatments.
presence
promoted
accumulation
potato
plants,
which
clearly
severe
toxic
their
physio-biochemical
characteristics,
as
indicated
by
negative
correlation
between
these
parameters.
not
inhibit
findings
this
study
provide
valuable
implications
for
proper
management
plants.
