Biodegradable
plastics
(BPs)
are
promoted
as
eco-friendly
alternatives
to
conventional
plastics.
However,
compared
microplastics
(MPs),
they
degrade
rapidly
into
biodegradable
(BMPs),
which
may
lead
a
more
significant
accumulation
of
BMPs
in
the
environment.
This
review
systematically
compares
and
MPs,
summarizes
current
knowledge
on
their
environmental
behaviors
impacts
ecosystems
human
health,
offers
recommendations
for
future
research.
detected
water,
sediments,
indoor
dust,
food,
marine
organisms,
samples.
Compared
prone
transformations,
such
photodegradation
biodegradation,
results
shorter
migration
distance
across
different
matrices.
Like
can
adsorb
pollutants
transport
them
enhancing
toxicity
health
risks
through
Trojan
horse
effect.
Studies
indicate
that
negatively
impact
terrestrial
aquatic
than
MPs
by
disrupting
nutrient
cycling
inhibiting
plant
animal
growth.
In
vivo
vitro
research
also
shows
BMP
degradation
products
increase
bioavailability,
exacerbating
neurotoxicity
overall
toxicity.
findings
BMPs'
effects
remain
inconsistent.
Further
evaluation
trade-offs
between
biodegradability
is
needed
address
these
uncertainties.
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.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
274, P. 116181 - 116181
Published: March 8, 2024
The
emergence
of
polyvinyl
chloride
(PVC)
microplastics
(MPs)
as
pollutants
in
agricultural
soils
is
increasingly
alarming,
presenting
significant
toxic
threats
to
soil
ecosystems.
Ajwain
(Trachyspermum
ammi
L.),
a
plant
medicinal
and
culinary
value,
subjected
environmental
stressors
that
threaten
its
growth
productivity.
This
situation
particularly
acute
given
the
well-documented
toxicity
chromium
(Cr),
which
has
been
shown
adversely
affect
biomass
escalate
risks
productivity
such
economically
therapeutically
important
species.
present
study
was
conducted
investigate
individual
effects
different
levels
PVC−MPs
(0,
2,
4
mg
L−1)
Cr
150,
300
kg−1)
on
various
aspects
growth.
Specifically,
we
examined
biomass,
photosynthetic
pigments,
gas
exchange
attributes,
oxidative
stress
responses,
antioxidant
compound
activity
(both
enzymatic
nonenzymatic),
gene
expression,
sugar
content,
nutritional
status,
organic
acid
exudation,
accumulation
parts
L.)
seedlings,
were
also
exposed
varying
titanium
dioxide
(TiO2)
nanoparticles
(NPs)
25,
50
µg
mL−1).
Results
from
showed
increasing
significantly
decreased
sugars,
contents
roots
shoots
plants.
Conversely,
increased
indicators
term
malondialdehyde,
hydrogen
peroxide,
electrolyte
leakage,
exudation
pattern
T.
seedlings.
Interestingly,
application
TiO2−NPs
counteracted
leading
greater
biomass.
protective
effect
facilitated
by
NPs'
ability
sequester
reactive
oxygen
species,
thereby
reducing
lowering
concentrations
both
Our
research
findings
indicated
enhance
resilience
seedlings
toxicity,
not
only
improved
but
healthier
physiological
state
demonstrated
more
balanced
acids,
critical
response
mechanism
metal
stress.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(18), P. 3680 - 3680
Published: Sept. 6, 2023
Microplastics
(MPs)
pollution
has
emerged
as
one
of
the
world’s
most
serious
environmental
issues,
with
harmful
consequences
for
ecosystems
and
human
health.
One
proposed
solution
to
their
accumulation
in
environment
is
replacement
nondegradable
plastics
biodegradable
ones.
However,
due
lack
true
biodegradability
some
ecosystems,
they
also
give
rise
microplastics
(BioMPs)
that
negatively
impact
different
living
organisms.
This
review
summarizes
current
literature
on
BioMPs
organisms—higher
plants
fish—relevant
food
chain.
Concerning
higher
plants,
adverse
effects
seed
germination,
plant
biomass
growth,
penetration
nutrients
through
roots,
oxidative
stress,
changes
soil
properties,
all
leading
reduced
agricultural
yield,
have
been
critically
discussed.
fish,
it
are
more
likely
be
ingested
than
nonbiodegradable
ones
accumulate
animal’s
body,
impaired
skeletal
development,
behavioral
changes.
Therefore,
based
reviewed
pioneering
literature,
seem
a
new
threat
health
rather
an
effective
counteract
MP
pollution,
even
if
knowledge
gaps
this
field
highlight
need
additional
rigorous
investigations
understand
potential
risks
associated
BioMPs.
