bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 15, 2024
Abstract
Wastewater
treatment
plants
(WWTP)
effluents
can
release
microbiological
pollutants,
including
the
int
I1
gene
(integrases
of
class
1
integrons),
which
has
been
proposed
as
a
target
for
monitoring
anthropogenic
pollution
in
surface
waters.
This
also
strong
correlation
with
antibiotic
resistance,
making
it
an
important
proxy
to
evaluate
level
genetic
contamination
aquatic
environments.
he
ecological
factors
that
influence
abundance
and
dynamics
intI
within
natural
water
bodies
are
largely
unknown.
To
better
understand
fate
integrons
systems,
we
resorted
classical
limnological
over
multiple
years.
We
conducted
experiments
elucidate
impact
Daphnia
grazing
on
its
abundance.
The
different
size
fractions
Lake
Maggiore
microbial
community
shown
particle-bound
life-style
1-harbouring
bacteria.
Most
bacteria
hosting
1,
originating
from
both
wastewater
effluent
discharges
intro
lake
itself,
grow
particulate
substrates
open
waters,
them
particularly
vulnerable
by
large
filter
feeders
such
.
is
independent
origin
(lake
or
wastewater)
bacterial
genera;
selectively
removes
present
aggregates
even
filamentous
forms
origins.
if
related
viable
just
DNA
residues,
study
persistence
their
cassettes,
often
contain
resistance
genes
freshwater
ecosystems.
Significance
Statement
While
faecal
freshwaters
commonly
monitored,
through
plant
outflows,
genes,
difficult
monitor
due
diverse
nature
present.
pollution;
however,
there
major
lack
understanding
regarding
this
freshwaters.
In
study,
demonstrate
associated
allochthonous
microbes
arriving
wastewater.
Furthermore,
show
harbouring
preferentially
reside
aggregated
fraction
easily
removed
zooplankton
grazing.
first
investigation
highlights
significant
gap
our
knowledge
ecology
integrons.
Genetic
waters
however
global
problem
very
broad
interest
one
hand,
other
question
establishment
into
interesting
fundamental
ecology,
thus
more
applied
aspects.
Therefore,
consider
perfect
readership
L&O.
Aged
micro(nano)plastics
(MNPs)
are
normally
the
ultimate
state
of
plastics
in
environment
after
aging.
The
changes
physical
and
chemical
characteristics
aged
MNPs
significantly
influence
their
environmental
behavior
by
releasing
additives,
forming
byproducts,
adsorbing
contaminants.
However,
a
systematic
review
is
lacking
on
effects
ecological
human
health
regarding
increasing
but
scattered
studies
results.
This
Review
first
summarizes
unique
methods
for
quantifying
aging
degree.
Then
we
focused
potential
impacts
organisms,
ecosystems,
health,
including
"Trojan
horse"
under
real
conditions.
Through
combining
meta-analysis
analytic
hierarchy
process
(AHP)
model,
demonstrated
that,
compared
to
virgin
MNPs,
would
result
biomass
decrease
oxidative
stress
increase
organisms
lead
total
N/P
greenhouse
gas
emissions
ecosystems
while
causing
cell
apoptosis,
antioxidant
system
reaction,
inflammation
health.
Within
framework
risk
assessment,
used
quotient
(RQ)
physiologically
based
pharmacokinetic
(PBK)
models
as
examples
illustrate
importance
considering
degree
data
acquisition,
model
building,
formula
evaluation.
Given
risks
our
urgent
call
more
understand
hazards
real-world
environments.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(42), P. 18915 - 18927
Published: Oct. 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-
