Environmental Entomology,
Год журнала:
2022,
Номер
51(4), С. 815 - 823
Опубликована: Июнь 28, 2022
Abstract
Heavy
metal
pollution
in
freshwater
ecosystems
is
a
serious
threat
to
aquatic
organisms.
Species
of
Megaloptera
are
important
predators
invertebrates
and
have
been
widely
used
as
bioindicators
assessing
the
quality
ecosystems.
In
this
study,
we
determined
differential
gene
expression
profile
Protohermes
costalis
(Walker)
(Megaloptera:
Corydalidae)
response
cadmium
(Cd)
exposure
by
using
transcriptome
analysis.
A
total
60,627
unigenes
were
obtained
transcriptomes
150
mg/liter
(PL),
1,000
(PH)
CdCl2
treatment,
no
Cd
control
(PC).
Differential
(DEG)
analysis
pairwise
comparison
identified
2,794
DEGs
after
filtering
noninsect
genes
repetitive
counts.
606
shared
comparisons
PL
versus
PC
PH
PC,
with
165
consistently
up-regulated
441
down-regulated
both
PH.
Six
heat
shock
proteins
(HSPs)
HSP70
family
P.
PcosHSP68
was
Real-time
quantitative
polymerase
chain
reaction
(RT-qPCR)
confirmed
that
levels
higher
than
31
197%,
respectively.
These
results
showed
altered
profiles
data
presented
study
provide
insight
into
future
studying
on
molecular
mechanisms
toxicity
these
insects.
Frontiers in Environmental Science,
Год журнала:
2021,
Номер
9
Опубликована: Июль 15, 2021
Phthalate
esters
(PEs)
are
by
far
the
most
produced
and
extensively
used
synthetic
organic
chemicals
with
notable
applications
in
many
industrial
products
such
as
vinyl
upholstery,
adhesives,
food
containers,
packaging
materials,
printing
inks,
cosmetics,
paints,
pharmaceuticals
munitions,
insecticides
among
other.
PEs
have
long
been
recognised
ubiquitous
pollutants
of
prime
environmental
concern,
urbanisation
amongst
main
cause
source
these
compounds.
Due
to
their
notoriety,
compounds
known
pose
devastating
effects
living
organisms
including
humans.
The
presence
metabolites
aquatic
ecosystems
is
concern
primarily
due
endocrine
disrupting
carcinogenicity
properties.
Several
research
studies
reported
prevalence,
exposure
pathways,
toxicity,
impacts
Their
principal
routes
could
be
direct
or
indirect,
which
route
include
contact,
eating,
drinking
contaminated
foods,
indirect
constitute
aerosols,
leaching
other
forms
contamination.
find
way
into
water
systems
through
means
effluent
discharges,
urban
agricultural
land
runoff,
from
waste
dumps
diffuse
sources.
High-end
instrumentation
improved
methodologies
on
hand
resulted
increased
ability
measure
trace
levels
(μg/L)
different
matrices
ecological
compartments
lakes,
oceans,
rivers,
sediments,
wetlands
samples.
In
light
above,
this
article
provides
an
informed
focused
information
prevalence
phthalate
related
Furthermore,
techniques
that
enabled
extraction
analysis
samples
also
explained.
Future
outlooks
needs
highlighted
manuscript.
This
will
better
understand
temporal
spatial
distributions
aid
devising
prudent
curtail
footprints.
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.
Journal of Ecology and Environment,
Год журнала:
2020,
Номер
44(1)
Опубликована: Фев. 21, 2020
Abstract
Background
The
black
soldier
fly
(
Hermetia
illucens
)
is
gaining
attention
as
an
efficient
decomposer
of
food
waste.
However,
recalcitrant
compounds
such
plastics
mixed
into
waste
may
have
negative
effects
on
its
growth
and
survival.
Moreover,
efficiency
degradation
also
be
affected
by
plastics.
In
addition,
salt
(NaCl)
can
present
in
high
concentrations,
which
reduces
the
H
.
-mediated
treatment.
this
study,
we
assessed
larvae
(BSFL)
reared
containing
polyethylene
(PE)
polystyrene
(PS)
NaCl.
weight
BSFL
was
measured
every
2–4
days.
Survival
substrate
reduction
rates
pupation
ratio
were
determined
at
end
experiment.
Results
total
larval
PS
greater
than
that
control
days
20
24.
survival
rate
lower
group
treated
with
5%
PS,
all
PS-treated
groups.
PE
day
6.
did
not
affect
rate,
but
increased
consumption
decreased
increasing
concentrations.
Regardless
plastic
type,
addition
NaCl
resulted
ratio.
Conclusions
Larval
inhibited
salinity.
Additional
safety
assessments
impurities
are
needed
to
enable
wider
application
vermicomposting.
