Water,
Год журнала:
2024,
Номер
16(9), С. 1295 - 1295
Опубликована: Май 2, 2024
This
study
investigates
the
combined
effect
of
microplastics
and
cadmium
on
decomposition
litter,
structure
fungal
communities,
feeding
behavior
invertebrates
in
an
aquatic
ecosystem.
Through
a
series
microcosm
experiments,
we
demonstrate
that
exposure
to
MPs
Cd
significantly
reduced
leaf
litter.
Notably,
cumulative
impact
MP
was
found
be
greater
than
their
individual
effects.
During
this
process,
carbon–nitrogen
ratio
litter
increased,
while
dehydrogenase
activity
biomass
were
inhibited.
Additionally,
relative
abundance
Ascomycota
Basidiomycota
fungi
decreased,
weakening
role
Conversely,
content
lignin,
improving
its
quality
as
food,
thereby
leading
increase
rate
invertebrates.
dual
indicates
micropollutants
suppress
by
regulating
microbial
metabolic
community
but
promote
invertebrate
feeding.
Our
findings
provide
crucial
insights
into
adverse
effects
diversity
which
could
have
long-term
impacts
food
webs
nutrient
cycling
progress
ecosystems.
Environmental Science and Ecotechnology,
Год журнала:
2024,
Номер
20, С. 100407 - 100407
Опубликована: Март 5, 2024
Mismanaged
plastics,
upon
entering
the
environment,
undergo
degradation
through
physicochemical
and/or
biological
processes.
This
process
often
results
in
formation
of
microplastics
(MPs),
most
prevalent
form
plastic
debris
(<1
mm).
MPs
pose
severe
threats
to
aquatic
and
terrestrial
ecosystems,
necessitating
innovative
strategies
for
effective
remediation.
Some
photosynthetic
microorganisms
can
degrade
but
there
lacks
a
comprehensive
review.
Here
we
examine
specific
role
photoautotrophic
water
soil
environments
biodegradation
focussing
on
their
unique
ability
grow
persistently
diverse
polymers
under
sunlight.
Notably,
these
cells
utilise
light
CO2
produce
valuable
compounds
such
as
carbohydrates,
lipids,
proteins,
showcasing
multifaceted
environmental
benefits.
We
address
key
scientific
questions
surrounding
utilisation
nanoplastics
(NPs)
bioremediation,
discussing
potential
engineering
enhanced
efficacy.
Our
review
highlights
significance
alternative
biomaterials
exploration
strains
expressing
enzymes,
polyethylene
terephthalate
(PET)
hydrolases,
conjunction
with
microalgal
cyanobacterial
metabolisms.
Furthermore,
delve
into
promising
photo-biocatalytic
approaches,
emphasising
coupling
sunlight
exposure.
The
integration
microalgal-bacterial
consortia
is
explored
biotechnological
applications
against
NPs
pollution,
synergistic
effects
wastewater
treatment
absorption
nitrogen,
heavy
metals,
phosphorous,
carbon.
In
conclusion,
this
provides
overview
current
state
research
use
bioremediation.
It
underscores
need
continued
investigation
development
approaches
tackle
global
issue
pollution
ecosystems.
Sustainability,
Год журнала:
2024,
Номер
16(5), С. 2163 - 2163
Опубликована: Март 5, 2024
The
increasing
number
of
plastic
particles
in
the
environment
gives
rise
to
a
unique
ecological
niche
called
plastisphere,
which
is
characterized
by
dynamic
assemblage
microorganisms
comprising
autotrophs,
heterotrophs,
predators,
and
pathogens.
This
paper
reviews
formation,
characteristics,
factors
influencing
terrestrial
aquatic
plastisphere.
plastisphere
forms
when
hitchhiking
microorganisms,
often
bacteria,
adhere
surfaces
alter
surface
properties
for
subsequent
colonization
increasingly
tightly
clinging
microorganisms.
not
as
mobile
defined
characteristics
soil
anchoring
it.
on
are
dominant
surroundings,
particularly
those
phyla
Proteobacteria,
Actinobacteria,
Bacteroidota,
Firmicutes,
Chloroflexi,
Acidobacteria,
Cyanobacteria,
Ascomycota,
Basidiomycota,
Chytridiomycota,
Ciliophora,
Ochrophyta,
Chlorophyta.
However,
compositions
microbial
species
different
vary
widely
they
change
with
time,
properties,
biotic
abiotic
environmental
factors.
Temporal
changes
due
succession.
Plastic
type,
size,
color,
degree
aging,
chemical
leaching,
also
affect
composition
Biotic
ambient
interspecies
interactions,
together
ones,
including
pH,
temperature,
nutrient
availability,
salinity,
light,
significantly
shape
review
provides
insight
into
biodiversity
its
roles
spreading
pathogens
degrading
plastics.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(42), С. 18915 - 18927
Опубликована: Окт. 9, 2024
Biodegradable
plastics
(BPs)
are
pervasively
available
as
alternatives
to
traditional
plastics,
but
their
natural
degradation
characteristics
and
microbial-driven
mechanisms
poorly
understood,
especially
in
aquatic
environments,
the
primary
sink
of
plastic
debris.
Herein,
three-month
dynamic
process
BPs
(the
copolymer
poly(butylene
adipate-
Microorganisms,
Год журнала:
2025,
Номер
13(3), С. 609 - 609
Опубликована: Март 6, 2025
Plastics
play
a
key
role
in
every
sector
of
the
economy,
being
used
manufacturing
products
fields
health,
food
packaging,
and
agriculture.
Their
mismanagement
poses
serious
threat
to
ecosystems
and,
general,
human
life.
For
this
reason,
particular
attention
has
been
paid
last
decade
use
biodegradable
polymers
(BPs)
as
an
alternative
classic
plastics.
In
study,
we
aimed
identify
bacterial
strains
able
colonize
surface
five
BPs:
poly(butylene
succinate)
(PBS),
succinate-co-butylene
adipate)
(PBSA),
poly(ε-caprolactone),
(PCL),
poly(3-hydroxybutyrate)
(PHB),
poly(lactic
acid)
(PLA).
experiment,
mesocosms
were
designed
ad
hoc
mimic
conditions
which
can
be
found
marine
environments:
i.
suspended
water
column;
ii.
laying
over
gravel;
iii.
under
gravel.
Four
samples
taken
(3,
4,
10,
12
months
from
start
experiment)
BPs
incubated
above-mentioned
three
conditions.
Our
results
demonstrated
that
bacteria
belonging
Proteobacteria,
Actinobacteria,
Firmicutes,
Bacillota,
Bacteroidota,
Cyanobacteria
phyla
most
frequent
colonizers
surfaces
analysis,
could
responsible
for
their
degradation,
resulting
evolution
strategies
degrade
plastics
through
secretion
specific
enzymes.
Marine Pollution Bulletin,
Год журнала:
2025,
Номер
214, С. 117787 - 117787
Опубликована: Март 13, 2025
This
study
investigates
microbial
colonization
of
plastics
in
Caribbean
coastal
waters.
We
deployed
five
polymer
types,
on
set
with
a
mild
UV-pretreatment
and
one
without
UV-pretreatment,
for
4.5
months
the
water
column
sediment
at
two
locations,
analyzed
epiplastic
biofilms
16S
rRNA
gene
sequencing.
While
significant
influence
location
habitat
was
apparent,
we
could
not
detect
notable
effects
related
to
type
or
community
composition.
Nevertheless,
potential
plastic
hydrocarbon
degraders
constituted
up
43
%
sequences
from
biofilms,
suggesting
an
affinity
plastic.
Indeed,
utilizing
13C-labeled
PE
PP,
determined
incorporation
plastic-derived
carbon
into
biomass.
measured
isotopically
labeled
fatty
acids
incubations
13C
both
sediments,
whether
virgin
pre-weathered
UV
light.
The
apparent
biodegradation
benthic
habitats
challenges
perception
marine
sediments
as
final
sink
polyolefins.
