Environment & Health,
Год журнала:
2024,
Номер
2(10), С. 688 - 701
Опубликована: Июнь 2, 2024
Microplastics
and
nanoplastics
are
emerging
pollutants
of
concern
in
the
aquatic
environment
that
causing
increasing
global
environmental
human
health
problems.
Although
there
has
been
extensive
research
on
microplastics
nanoplastics,
little
said
about
differences
their
behavior
environment,
many
studies
have
considered
them
as
same
class
hazardous
materials;
but
fact,
should
be
two
different
types
environmentally
materials.
In
this
review,
we
propose
behave
a
size-dependent
manner
distinguished.
And
systematically
analyzed
terms
five
aspects:
1)
distribution
behavior;
2)
adsorption
3)
reaction
with
natural
colloids;
4)
aging
leaching
5)
interaction
organisms.
This
paper
written
to
draw
academic
attention
behaviors
order
distinguish
between
effects
humans
environment.
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 21, 2025
The
plastisphere,
defined
as
the
ecological
niche
for
microbial
colonization
of
plastic
debris,
has
been
recognized
a
hotspot
pathogenic
and
antibiotic-resistant
bacteria.
However,
interactions
between
bacteria
phages
facilitated
by
well
their
impact
on
risks
to
public
health,
remain
unclear.
Here,
we
analyzed
metagenomic
data
from
180
plastisphere
environmental
samples,
stemming
four
different
habitats
two
types
(biodegradable
nonbiodegradable
plastics)
obtained
611
nonredundant
metagenome-assembled
genomes
(MAGs)
4061
phage
contigs.
community
exhibited
decreased
diversity
virulent
proportion
compared
those
found
in
environments.
Indexes
phage-host
interaction
networks
indicated
significant
associations
with
(ARB),
particularly
biodegradable
plastics.
Known
phage-encoded
auxiliary
metabolic
genes
(AMGs)
were
involved
nutrient
metabolism,
antibiotic
production,
quorum
sensing,
biofilm
formation
which
contributed
enhanced
competition
survival
pathogens
ARB
hosts.
Phages
also
carried
transcriptionally
active
virulence
factor
(VFGs)
resistance
(ARGs),
could
mediate
horizontal
transfer
communities.
Overall,
these
discoveries
suggest
that
form
symbiotic
relationships
hosts,
encoding
AMGs
mediating
gene
(HGT)
increase
source
plastisphere.
Plastic
pollution
is
an
ever-escalating
issue
with
detrimental
effects
on
both
the
environment
and
human
health.
breaks
down
into
smaller
pieces,
depending
size
they
are
called
macroplastics,
microplastics
(MPs),
nanoplastics
(NPs).
Some
of
these
particles
can
easily
enter
food
chain
causing
toxicity
to
many
plants
animals.
The
extensive
use
synthetic
polymers
such
as
polyethylene
(PE),
polyvinyl
chloride
(PVC),
polystyrene
(PS),
terephthalate
(PET)
poses
substantial
environmental
concerns
due
their
degradation-resistant
characteristics.
One
ways
microorganisms
address
this
by
producing
enzymes.
This
review
examines
recent
advancements
in
enzymatic
degradation
commercial-grade
pure
polymers,
including
effectiveness
enzymes
laccases,
proteases,
cutinases,
PETase,
MHETase,
governing
mechanisms
across
various
plastic
categories.
Bioinformatic
tools
multi-omics,
molecular
docking,
enzyme
mining
particularly
useful
identifying
unconventional
biocatalysts
plastic-degrading
microbes
a
culture-independent
manner.
Furthermore,
techniques
enhance
catalytic
efficiency
degrading
(PDEs)
using
modern
approaches
protein
engineering,
mutations,
chimeric
fusion,
etc.
have
also
been
reviewed.
accentuates
pivotal
role
microbial
mitigating
pollution,
associated
challenges,
suitable
prospects
achieve
closed-loop
recycling
future.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(36), С. 16164 - 16174
Опубликована: Авг. 27, 2024
Microplastics
(MPs)
in
coastal
wetlands
have
been
of
great
concern,
but
information
on
the
aging
behavior
MPs
sediment-water
interface
is
still
lacking.
In
this
study,
contribution
a
typical
abiotic
(photoaging)
and
biotic
(biodegradation)
process
underlying
pathway
with
different
degradabilities
(including
polypropylene,
polyethylene
terephthalate,
polylactic
acid)
were
studied.
With
quantified
relative
importance
photoaging
(>55%)
vs
biodegradation,
crucial
MP
was
highlighted.
This
likely
attributed
to
more
generation
reactive
oxygen
species
(ROS)
under
sunlight
irradiation
conditions,
containing
O
