Assessing the ecological impact of pesticides/herbicides on algal communities: A comprehensive review
Aquatic Toxicology,
Journal Year:
2024,
Volume and Issue:
268, P. 106851 - 106851
Published: Jan. 28, 2024
Language: Английский
The Role of Life Stages in the Sensitivity of Hediste diversicolor to Nanoplastics: A Case Study with Poly(Methyl)Methacrylate (PMMA)
Toxics,
Journal Year:
2024,
Volume and Issue:
12(5), P. 352 - 352
Published: May 10, 2024
The
presence
of
plastic
particles
in
oceans
has
been
recognized
as
a
major
environmental
concern.
decrease
particle
size
increases
their
ability
to
directly
interact
with
biota,
the
nanometer
range
(nanoplastics-NPs)
displaying
higher
penetrate
biological
membranes,
which
size.
This
study
aimed
evaluate
role
life
stages
effects
poly(methyl)methacrylate
(PMMA)
NPs
on
polychaete
Hediste
diversicolor,
key
species
marine
food
web
and
nutrient
cycle.
Thus,
behavioral
(burrowing
activity
clean
spiked
sediment)
biochemical
endpoints
(neurotransmission,
energy
reserves,
antioxidant
defenses,
oxidative
damage)
were
assessed
juvenile
adult
organisms
after
10
days
exposure
sediment
(between
0.5
128
mg
PMMA
NPs/Kg
sediment).
Overall,
results
show
that
H.
diversicolor
is
sensitive
NPs.
In
juveniles,
exposed
took
longer
burrow
sediment,
significant
differences
from
controls
being
observed
at
all
tested
concentrations
when
test
was
performed
whereas
NP-spiked
only
found
8,
32,
sediment.
Adults
displayed
lower
sensitivity,
found,
for
both
types,
terms
Acetylcholinesterase,
used
marker
neurotransmission,
juveniles
adults
opposite
trends,
increased
(suggesting
apoptosis),
adults,
overall
decreased
found.
Energy-related
parameters
revealed
generally
similar
pattern
(increase
organisms)
sensitivity
(significant
even
concentrations).
also
demonstrated
increase
defenses
(higher
juveniles),
damage
protein
carbonylation
(all
conditions)
juveniles.
data
reveal
potential
affect
behavior
induce
toxic
greater
Language: Английский
Assessing combined effects of long-term exposure to copper and marine heatwaves on the reef-forming serpulid Ficopomatus enigmaticus through a biomarker approach
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
201, P. 116269 - 116269
Published: March 25, 2024
Sessile
benthic
organisms
can
be
affected
by
global
changes
and
local
pressures,
such
as
metal
pollution,
that
lead
to
damages
at
different
levels
of
biological
organization.
Effects
exposure
marine
heatwaves
(MHWs)
alone
in
combination
with
environmentally
relevant
concentration
copper
(Cu)
were
evaluated
the
reef-forming
tubeworm
Ficopomatus
enigmaticus
using
a
multi-biomarker
approach.
Biomarkers
cell
membrane
damage,
enzymatic
antioxidant
defences,
metabolic
activity,
neurotoxicity,
DNA
integrity
analyzed.
The
Cu
did
not
produce
any
significant
effect.
Exposure
MHWs
produced
effects
only
on
activity
(increase
glutathione
S-transferase)
energy
reserves
(decrease
protein
content).
was
condition
most
influenced
status
homeostasis
exposed
F.
enigmaticus.
plus
induced
increase
carbonylation
S-transferase
decrease
protein/carbohydrate
content
carboxylesterase
activity.
This
study
organism
highlighted
additive
effect
climate
change-related
stressor
metals
pollution
brackish
waters.
Language: Английский
Potential advantage of invasive estuarine worms over native species under exposure to relevant concentrations of graphene oxide: behavioral and biochemical insights
Maria João Figueiredo,
No information about this author
Cátia Venâncio,
No information about this author
Paulo Cardoso
No information about this author
et al.
Marine Environmental Research,
Journal Year:
2024,
Volume and Issue:
202, P. 106821 - 106821
Published: Oct. 30, 2024
Language: Английский