Transcriptomics predicts Artificial Light at Night’s (ALAN) negative fitness effects and altered gene expression patterns in the midge Chironomus riparius (Diptera:Chironomidae)
Environmental Pollution,
Год журнала:
2025,
Номер
unknown, С. 125827 - 125827
Опубликована: Фев. 1, 2025
The
emission
of
artificial
light
at
night
(ALAN)
is
rapidly
increasing
worldwide.
Yet,
evidence
for
its
detrimental
effects
on
various
species
accumulating.
While
the
ALAN
phenotypic
traits
have
been
widely
investigated,
molecular
level
are
less
well
understood.
Here
we
aimed
to
integrate
transcriptomic
and
level.
We
tested
these
Chironomus
riparius,
a
multivoltine,
holometabolous
midge
with
high
ecological
relevance
which
genomic
resources
available.
performed
life-cycle
experiments
in
exposed
midges
constant
control
conditions
one
generation.
observed
reduced
fertility
under
from
predicted
population
size
decline
1%
after
200
days.
analysis
revealed
expression
changes
genes
related
circadian
rhythmicity,
moulting,
catabolism
oxidative
stress.
From
hypothesised
that
ALAN,
stress
increased,
moulting
begins
earlier.
were
able
confirm
both
hypotheses
two
posthoc
experiments,
showing
transcriptomics
can
be
powerful
tool
predicting
higher
traits.
Язык: Английский
Exposure to complex mixtures of urban sediments containing Tyre and Road Wear Particles (TRWPs) increases the germ-line mutation rate in Chironomus riparius
Aquatic Toxicology,
Год журнала:
2025,
Номер
281, С. 107292 - 107292
Опубликована: Фев. 16, 2025
Tyre
and
road
wear
particles
(TRWPs)
are
a
significant
yet
often
underestimated
source
of
environmental
pollution,
contributing
to
the
accumulation
microplastics
complex
mixture
contaminants
in
both
terrestrial
aquatic
ecosystems.
Despite
their
prevalence,
long-term
evolutionary
effects
TRWPs,
beyond
immediate
toxicity,
remain
largely
unknown.
In
this
study,
we
assessed
mutagenicity
non-biting
midge
Chironomus
riparius,
upon
exposure
urban
sediment
collected
from
runoff
sedimentation
basin.
To
assess
extent
mutagenic
over
multiple
generations,
combined
model
with
short-term
mutation
lines
(MALs)
subsequent
whole
genome
sequencing
(WGS).
The
study
was
conducted
five
concentrations
0.5
%
10
%.
Our
results
reveal
that
significantly
increases
rates
compared
control
groups
by
50
%,
independent
concentration
(0.5
%).
infer
potential
causal
processes,
comparative
analysis
using
known
mutational
spectra
previous
studies.
This
comparison
showed
profiles
induced
clearly
clustered
those
caused
Benzo[a]Pyrene
(BaP),
Polycyclic
Aromatic
Hydrocarbon
(PAH).
A
comprehensive
chemical
characterization
confirmed
considerable
impact
traffic-related
contamination,
including
PAHs
primarily
petrogenic
origin.
suggests
PAH-like
compounds
present
sediments
may
play
role
observed
effects.
shows
influence
alter
exposed
organisms,
potentially
compromising
genomic
stability
shaping
trajectories.
These
genetic
changes
can
have
profound
on
population
dynamics
ecosystem
health,
underlining
importance
understanding
consequences
pollution.
Additionally,
show
comparatively
analysing
provide
valuable
insights
into
processes.
Язык: Английский
Tyre Wear Measurements Using the Marker SBR in a Technical Retrofit Sustainable Drainage System (SuDS)
Johannes Wolfgang Neupert,
Julia Stein,
Daniel Venghaus
и другие.
Microplastics,
Год журнала:
2025,
Номер
4(1), С. 3 - 3
Опубликована: Янв. 7, 2025
Technical
retrofit
Sustainable
Drainage
Systems
(SuDSs)
are
a
suitable
option
in
the
numerous
mitigation
measures
to
reduce
amount
of
tyre
wear
entering
environment.
In
study
presented
here,
such
filter
system
was
tested
under
extreme
conditions
at
ADAC
Driving
Safety
Centre
Berlin-Brandenburg.
Despite
technical
separation
limit
125
or
250
µm
systems,
particles
>
6
were
measured
retained
masses.
addition,
marker
SBR
used
determine
residues
using
TED-GC-MS
analysis
method.
The
highest
concentrations
found
20–63
fraction.
results
indicate
that
become
smaller
due
high
forces
generated
by
braking
and
cornering.
Test
stand
investigations
retention
efficiency
2/3
wear.
Furthermore,
show
parameter
‘Total
Suspended
Solids
<
63
µm’
(TSS63)
is
relevant
evaluation
for
road
runoff.
Язык: Английский
Tyre rubber exposure causes oxidative stress and intracellular damage in the Baltic clam (Macoma balthica)
Environmental Science and Pollution Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Abstract
Car
tyres
are
considered
to
release
a
substantial
amount
of
particles
the
environment.
Due
high
emission
volumes
and
chemical
risks
associated
with
tyre
rubber,
there
is
an
urgent
need
quantify
their
ecotoxicological
effects.
The
effects
exposure
derived
from
end-of-life
were
investigated
on
Baltic
clam
(
Macoma
balthica
),
which
one
key
invertebrate
species
living
in
soft-bottom
sediments
northern
Sea.
Tyre
rubber
(10–188
µm)
added
aquaria
environmentally
relevant
concentration
(1.08
g
per
kg
dry
sediment),
clams
had
either
direct
or
indirect
contact
for
5
29
days.
studied
by
applying
battery
biomarkers
cell
ultrastructure
examination
tissues,
concentrations
selected
polycyclic
aromatic
hydrocarbons
trace
metals
originating
quantified
water
tissues.
did
not
affect
mortality
but
induced
multiple
sublethal
responses,
including
elevated
glutathione
S
-transferase
activity,
reduction
activity
superoxide
dismutase,
increased
oxygen
radical
absorbance
capacity
during
prolonged
exposure.
Macromolecular
damage
was
indicated
cytogenetic
ultrastructural
changes
mitochondria
lysosomes.
results
demonstrate
potential
disturb
health
marine
biota
underline
importance
as
yet
understudied
environmental
contaminant.
Язык: Английский
Effects of salinity on the adsorption of cadmium and zinc to tire and road wear particles in water – Significance for river systems and road runoff treatment
The Science of The Total Environment,
Год журнала:
2025,
Номер
977, С. 179359 - 179359
Опубликована: Апрель 10, 2025
Язык: Английский
Size Over Substance: Microplastic Particle Size Drives Gene Expression and Fitness Loss in a Freshwater Insect
Aquatic Toxicology,
Год журнала:
2025,
Номер
284, С. 107386 - 107386
Опубликована: Апрель 25, 2025
Язык: Английский
Transcriptomics predicts Artificial Light at Night's (ALAN) impact on fitness: nightly illumination alters gene expression pattern and negatively affects fitness components in the midgeChironomus riparius(Diptera:Chironomidae)
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Abstract
The
emission
of
artificial
light
at
night
(ALAN)
is
rapidly
increasing
worldwide.
Yet,
evidence
for
its
detrimental
effects
on
various
species
accumulating.
While
the
ALAN
phenotypic
traits
have
been
widely
investigated,
molecular
level
are
less
well
understood.
Here
we
aimed
to
integrate
transcriptomic
and
level.
We
tested
these
Chironomus
riparius
,
a
multivoltine,
holometabolous
midge
with
high
ecological
relevance
which
genomic
resources
available.
performed
life-cycle
experiments
in
exposed
midges
constant
control
conditions
one
generation.
observed
higher
EmT50
reduced
fertility
under
ALAN.
From
decline
population
size
due
fertility,
predicted
1%
after
200
days.
analysis
revealed
expression
changes
genes
related
circadian
rhythmicity,
moulting,
catabolism
oxidative
stress.
hypothesised
that
ALAN,
stress
increased,
moulting
begins
earlier.
were
able
confirm
both
hypotheses
two
posthoc
experiments,
showing
transcriptomics
powerful
tool
predicting
physiological
outcomes
before
they
even
observable.
Язык: Английский