Environmental Microbiology,
Год журнала:
2024,
Номер
26(10)
Опубликована: Окт. 1, 2024
Abstract
Recently,
there
has
been
increased
attention
to
hydrocarbonoclastic
bacteria
in
the
plastisphere.
One
particular
genus,
Alcanivorax
,
is
reported
biodegradation
of
several
polymers
literature.
In
this
study,
we
further
explored
role
early
colonization
poly(3‐hydroxybutyrate‐co‐3‐hydroxyhexanoate)
(PHBH),
nylon
6/69,
and
a
novel
plastic
B4PF01.
Starting
from
enrichments
one‐year
experiment
with
maximum
relative
abundance
58.8%
two
parallel
experiments
were
set
up.
followed
growth
activity
during
first
21
days
incubations,
other
same
parameters
on
different
material
fractions
plastics,
such
as
leachables
pure
polymer.
For
all
types,
highest
microbial
was
associated
total
plastics
compared
fractions.
A
62.7%
6/69‐enriched
community
observed.
This,
combined
data
activity,
suggests
that
6/69
potentially
degraded
by
genus.
Two
isolates
obtained,
closely
related
A.
borkumensis
SK2
sp.
DG881.
The
axenic
cultures
resemble
their
community.
conclusion,
study
contributes
knowledge
plastic‐enriched
communities.
Polymers,
Год журнала:
2024,
Номер
16(19), С. 2807 - 2807
Опубликована: Окт. 3, 2024
The
extensive
use
of
polymeric
materials
has
resulted
in
significant
environmental
pollution,
prompting
the
need
for
a
deeper
understanding
their
degradation
processes
and
impacts.
This
review
provides
comprehensive
analysis
environment
impact
on
health
experimental
animals.
It
identifies
common
polymers,
delineates
pathways,
describes
resulting
products
under
different
conditions.
covers
physical,
chemical,
biological
mechanisms,
highlighting
complex
interplay
factors
influencing
these
processes.
Furthermore,
it
examines
implications
products,
using
animals
as
proxies
assessing
potential
risks
to
human
health.
By
synthesizing
current
research,
focuses
studies
related
small
organisms
(primarily
rodents
invertebrates,
supplemented
by
fish
mollusks)
explore
effects
polymer
living
underscores
urgency
developing
implementing
effective
waste
management
strategies.
These
strategies
are
crucial
mitigating
adverse
impacts
degradation,
thus
promoting
more
sustainable
interaction
between
activities
natural
environment.
ENVIRONMENTAL SYSTEMS RESEARCH,
Год журнала:
2024,
Номер
13(1)
Опубликована: Июнь 18, 2024
Abstract
The
unprecedented
surge
in
the
demand
for
personal
protective
equipment
(PPE)
worldwide
during
covid
pandemic
resulted
a
significant
increase
PPE
consumption
and
subsequent
waste
generation.
Despite
importance
of
PPE,
its
widespread
usage
disposal
have
sparked
worries
about
environmental
impact
long-term
sustainability.
increasing
awareness
challenges,
resource
scarcity,
urgent
need
to
mitigate
climate
change
necessitates
paradigm
shift
product
design,
manufacturing
process,
management
PPE.
To
address
these
challenges
sustainable
future,
development
degradable
polymers
natural
fibers
offers
promising
alternative
traditional
plastics.
Additionally,
recycling
upcycling
methods
can
convert
into
valuable
alternate
products
or
energy
sources,
thereby
reducing
their
impact.
Better
systems,
comprehensive
policy
frameworks,
international
collaborations
are
essential
effective
promotion
practices.
collaborative
efforts
across
governments,
manufacturers,
research
institutions,
authorities
crucial
transitioning
more
industry
circular
economy,
ultimately
benefiting
both
environment
society.
The Science of The Total Environment,
Год журнала:
2025,
Номер
972, С. 179109 - 179109
Опубликована: Март 13, 2025
Despite
the
promise
of
a
reduced
environmental
impact,
bioplastics
are
subjected
to
dispersion
and
accumulation
similarly
traditional
plastics,
especially
in
marine
coastal
environments.
The
impact
is
attracting
increasing
attention
due
growing
market
demand.
ability
supralittoral
amphipod
Talitrus
saltator
ingest
survive
on
pristine
starch-based
bioplastic
has
already
been
assessed.
However,
involvement
gut
microbiota
this
key
species
making
dietary
supplement,
remains
unknown.
In
study,
we
investigated
modification
T.
following
ingestion
effect
change
their
chemical
composition.
Groups
adult
amphipods
were
fed
with:
1
-
two
different
kinds
bioplastic;
2
50
%/50
%
chitosan-starch
mixture;
3
paper
dry-fish-food.
Freshly
collected,
unfed
individuals
used
as
control
group.
Faecal
pellets
from
collected
characterized
using
ATR-FTIR
spectroscopy.
DNA
was
extracted
samples
for
metagenomic
analysis.
Spectroscopic
investigation
suggested
partial
digestion
polysaccharide
components
experimental
polymeric
materials.
analysis
revealed
that
feeding
induced
sandhopper's
microbial
communities,
shifting
abundance
specific
genera
present
gut,
towards
bacterial
associated
with
plastic/bioplastic
degradation,
groups
bioplastics.
Overall,
our
results
highlight
saltator's
modification,
providing
new
insights
into
potential
role
consortia
sandhoppers
management.
Separations,
Год журнала:
2025,
Номер
12(4), С. 82 - 82
Опубликована: Март 30, 2025
Since
the
mid-20th
century,
quantity
of
microplastics
(MPs)
has
increased
significantly,
becoming
a
persistent
environmental
pollutant
widely
distributed
in
global
water
bodies,
soils,
and
atmosphere.
While
plastic
materials
have
brought
significant
convenience
to
daily
life,
MPs
resulting
from
their
degradation
pose
increasing
threats
ecosystems
human
health.
This
comprehensive
review
examines
sources,
migration
pathways,
ecological
impacts
MPs,
critically
evaluates
current
separation
techniques
physical,
chemical,
biological
perspectives.
In
particular,
numerical
simulations
hydrocyclone
technique
reveal
its
unique
flow
characteristics,
including
turbulent
velocity
gradients
axial
pressure
differences,
with
efficiency
up
93%.
offers
advantages
such
as
high
efficiency,
low
energy
consumption,
friendliness.
response
growing
microplastic
pollution
issue,
this
emphasizes
that
development
future
should
prioritize
sustainability,
compatibility.
Continued
research
field
will
provide
theoretical
support
for
optimizing
control
technologies
contribute
achieving
protection
sustainable
goals.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(32), С. 14496 - 14505
Опубликована: Июль 24, 2024
Although
massive
studies
have
investigated
the
spatiotemporally
occurring
marine
plastisphere,
a
new
microbial
ecosystem
colonizing
surfaces
of
plastics,
resulting
biofragmentation
process
and
impacts
plastics
on
biogeochemical
cycles
remain
largely
unknown.
Here,
we
leverage
synchrotron-based
Fourier
transform
infrared
spectromicroscopy
(FTIR
mapping)
metagenomic
sequencing
to
explore
independent
microcosms
amended
with
petroleum-based
polyethylene
(PE)
biobased
polyhydroxybutyrate
(PHB)
plastic
films.
FTIR
mapping
results
demonstrate
unequal
fragmentation
scenarios
by
which
PE
rarely
releases
oxidized
fragments
while
PHB
disintegrates
quickly,
gradually
forming
composed
extracellular
polymeric
substances
resembling
Metagenomic
analysis
shows
critical
role
hydrocarbonoclastic
lineages
in
biodegradation
two
fatty
acid
degradation
pathway,
where
host
different
trajectories
between
plastisphere
(dominated
Environmental Pollution,
Год журнала:
2025,
Номер
unknown, С. 126072 - 126072
Опубликована: Март 1, 2025
Microplastics
(MPs)
and
antibiotics
(ATs)
are
emerging
contaminants
with
recognized
negative
effects
on
marine
ecosystems.
MPs
can
adsorb
transport
ATs,
posing
combined
toxic
to
organisms.
Despite
growing
concerns,
research
remains
limited
the
MP-AT
co-contaminants
in
tidal
zones,
which
home
numerous
aquatic
species
represent
a
particularly
susceptible
ecosystem.
This
study
used
polyethylene
(PE)
tetracycline
(TC)
investigate
influence
under
various
conditions,
including
sediment
sizes,
cycles,
MP
of
zones
using
cycle
simulation
system,
was
designed
replicate
dynamics
provide
insights
into
movement
behavior
contaminants.
It
observed
that
sediments
exist
three
distinct
states.
Smaller
(State
1)
pass
through
sand
pores
widely
distributed
upper
layers,
whereas
larger
2)
concentrate
layers
1-5
due
size
limitations.
Agglomerated
3),
unable
pores,
accumulate
at
bottom.
Tidal
cycles
enhance
co-contaminant
retention,
while
(125-212
μm)
limitedly
affects
their
distribution.
played
crucial
role,
settling
smaller
remaining
more
dispersed.
These
findings
emphasize
importance
affecting
contaminant
environments.
Results
from
this
will
contribute
development
models
help
predict
long-term
environmental
impact
co-contaminants.
Journal of Population Therapeutics and Clinical Pharmacology,
Год журнала:
2024,
Номер
unknown, С. 1326 - 1335
Опубликована: Июль 31, 2024
Background:
Plastics
are
widely
used
due
to
their
durability,
flexibility,
and
transparency,
leading
extensive
industrial
applications.
However,
the
accumulation
of
plastics
in
various
ecosystems
has
created
significant
environmental
challenges.
Objective:
This
review
aims
evaluate
studies
conducted
over
past
ten
years
on
biodegradation
by
microorganisms
from
cold
marine
environments.
Methods:
Descriptors
Used:
"plastic
AND
oceans,"
(psychrophilic
OR
psychrophile),"
"PETAse
(fungi
bacteria),"
"extremophiles
plastic
biodegradation."
Databases
Searched:
Scopus,
PubMed,
Google
Scholar.
Number
Papers
Located:
11,481.
PubMed:
1.79%
Scholar:
1.84%
Scopus:
0.26%
Results:
The
genera
most
frequently
mentioned
as
potential
degraders
habitats
were
Streptomyces,
Corynebacterium,
Arthrobacter,
Micrococcus,
Pseudomonas,
Rhodococcus.
findings
indicate
a
gap
research
degradation
Conclusion:
There
is
need
for
further
explore
enhance
activity
cold-adapted
microbial
enzymes
effective
ecosystems.
presents
opportunities
additional
this
emerging
field.