In
recent
years,
micro-
and
nanoplastics
(MNPs)
have
represented
an
emerging
threat
for
the
aquatic
environment
due
to
their
persistence
widespread
distribution.
Indeed,
small
size
increased
surface
area
lead
a
high
biological
reactivity,
which
can
be
crucial
health
status
of
biota.
To
date,
several
studies
investigated
lethal
sublethal
endpoints
MNPs,
while
one
main
challenges
is
understand
mechanisms
toxicity
in
comprehensive
manner.
With
this
aim,
field
ecotoxicology
now
benefit
from
-omics
approaches.
This
review
focuses
on
advances
related
use
transcriptomics,
proteomics,
metabolomics
deeply
investigate
molecular
biochemical
responses
organisms,
both
fishes
invertebrates,
pristine
polystyrene
(PS)
MNPs.
The
literature
reviewed
revealed
that
transcriptomics
are
most
frequently
used
-omic
Overall,
taken
into
consideration
shed
light
events
triggered
by
PS
MNPs
at
cellular
levels,
identifying
as
pathways
involved
oxidative
stress,
energy
metabolism,
immune
response,
nervous
system.
Future
should
therefore
focus
integration
multi-omics
approaches
more
understanding
toxicity.
Ecotoxicology and Environmental Safety,
Год журнала:
2025,
Номер
295, С. 118143 - 118143
Опубликована: Апрель 1, 2025
Contaminant
monitoring
in
agroecosystems
is
increasingly
revealing
overlooked
molecules,
particularly
within
complex
pesticide
mixtures.
This
study
assessed
the
effectiveness
of
chemical
and
ecotoxicological
methods
for
evaluating
contamination
biological
responses
Gammarus
roeseli
exposed
to
pesticides
transformation
products
(TPs)
lentic
small
water
bodies
(LSWBs)
near
agricultural
zones.
We
examined
7
LSWBs,
finding
variable
levels
shaped
by
watershed
composition
differences.
Analysis
136
compounds
identified
key
TPs,
including
chlorothalonil
R471811,
metazachlor
ESA,
OXA,
which
collectively
represented
86.2
%
total
quantified
contaminants.
These
results
underscore
persistence
both
current
banned
ponds
studied.
While
G.
showed
favorable
survival
rates,
significant
reductions
locomotion
ventilation
were
observed
at
heavily
contaminated
sites,
with
biochemical
analyses
suggesting
neurotoxic
effects
activation
detoxification
mechanisms
response
Multivariate
revealed
site-specific
variations,
highlighting
interactions
between
environmental
conditions.
Biomarker
gammarids
served
as
sensitive
indicators
residual
toxicity
frequent
associations
historical
or
applications.
situ
caging
approach
across
a
gradient
demonstrates
strong
potential
biomonitoring
assessments
agroecosystems.
Extending
exposure
durations
more
could
further
enhance
risk
evaluation,
thereby
improving
accuracy
headwater
aquatic
ecosystems.
By
integrating
conditions,
profiles,
responses,
this
provides
valuable
insights
into
influence
practices
on
LSWBs
underscores
critical
need
incorporate
TPs
future
assessment
frameworks.
World,
Год журнала:
2024,
Номер
5(2), С. 325 - 345
Опубликована: Май 15, 2024
Sub-Saharan
Africa
faces
increasing
levels
of
plastic
production
and
importation,
unregulated
usage,
inadequate
waste
management
systems.
This
region’s
harsh
conditions
often
lead
to
breaking
down
into
microplastics
nanoplastics.
review
explores
the
abundance
micro/nanoplastics
across
different
environmental
mediums,
such
as
surface
waters,
sediments,
aquatic
organisms,
in
sub-Saharan
African
countries.
It
also
highlights
knowledge
gaps
concerning
micro/nanoplastics.
The
effects
plastics
on
food
production,
water
quality,
health,
environment
are
discussed.
Strategies
address
challenges
pollution
proposed.
Finally,
concludes
with
future
perspectives
for
addressing
ongoing
Africa.
materials
this
study
were
sourced
from
published
articles
Scopus,
Google
Scholar,
ResearchGate,
additional
platforms,
including
reports
various
press
releases,
using
keywords
waste,
micro/nano-plastic,
Africa,
toxicity,
circular
economy.
Articles
initially
screened
by
reviewing
abstracts,
followed
a
thorough
reading
full
papers
identify
relevant
studies.
Key
information
was
extracted
these
selected
incorporated
review.
Journal of Plankton Research,
Год журнала:
2024,
Номер
46(3), С. 338 - 347
Опубликована: Май 1, 2024
Abstract
Freshwater
ecosystems
provide
essential
services
for
human
well-being,
with
their
conservation
success
reliant
on
the
precise
quantification
of
biodiversity.
Diplostraca
(=
Cladocera)
and
Copepoda
are
diverse
groups
microcrustaceans
in
aquatic
ecosystems,
important
a
multitude
these
services.
We
examined
biodiversity
trends
groups,
utilizing
comprehensive
dataset,
approximately
2341
studies,
spanning
from
early
19th
Century
to
present
day,
aiming
at
predicting
total
number
microcrustacean
species
that
will
have
been
described
by
2100.
Descriptions
increased
until
1900s,
surged,
then
declined
after
1975.
The
predictive
models
indicate
year
2100,
an
additional
16–68%
cladoceran
37–126%
copepod
likely
be
identified,
representing
significant
portion
currently
unrealised
Eighteen
prolific
authors
contributed
quarter
descriptions,
rest
spread
among
numerous
authorities.
Based
our
extrapolation,
could
potentially
exceed
6114
2050
9046
notwithstanding
extinctions.
These
findings,
which
point
amount
biodiversity,
underscore
need
refine
estimates
beyond
conventional
expert
opinion.
Such
accuracy
is
crucial
addressing
underappreciated
scale
current
crisis.
