Metal
contamination
of
aquatic
environments
remains
a
major
concern
due
to
their
persistence.
The
water
flea
Daphnia
magna
is
an
important
model
species
for
metal
toxicity
studies
and
quality
assessment.
However,
most
research
has
focused
on
physiological
endpoints
such
as
mortality,
growth,
reproduction
in
laboratory
settings,
well
neglected
toxicogenomic
responses.
Copper
(Cu)
zinc
(Zn)
are
essential
trace
elements
that
play
crucial
roles
many
biological
processes,
including
iron
metabolism,
connective
tissue
formation,
neurotransmitter
synthesis,
DNA
immune
function.
Excess
amounts
these
metals
result
deviations
from
homeostasis
may
induce
toxic
In
this
study,
we
analyzed
transcriptomic
responses
IC
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
477, С. 135316 - 135316
Опубликована: Июль 25, 2024
We
use
the
sentinel
mangrove
crab,
Minuca
rapax,
as
a
model
to
investigate
effects
of
metallic
settleable
particulate
matter
(SePM)
on
wetland.
Multiple
levels
energetic
responses,
including
(i)
metabolic
rate
and
energy
budget,
(ii)
oxidative
stress,
(iii)
behavioral
response
by
righting
time,
were
assessed
well
metal
metalloid
content
in
crabs
exposed
0,
0.1
1
g.L
Journal of Marine Science and Engineering,
Год журнала:
2024,
Номер
12(11), С. 1938 - 1938
Опубликована: Окт. 29, 2024
Trace
element
pollution
in
the
Persian
Gulf
originates
from
industrial
activities,
urbanization,
shipping,
and
oil
extraction,
leading
to
accumulation
sediments,
water,
marine
life
such
as
jellyfish.
This
study
investigated
trace
bioaccumulation
two
jellyfish
species,
Crambionella
orsini
Cassiopea
andromeda,
across
different
locations.
Jellyfish
samples
were
collected
Mahshahr
Dilam
ports,
their
concentrations
analyzed
using
inductively
coupled
plasma
mass
spectrometry
(ICP-MS).
The
revealed
no
significant
differences
between
C.
andromeda.
However,
levels
of
copper,
iron,
manganese,
nickel
significantly
higher
specimens
compared
those
Dilam.
No
observed
for
cadmium,
mercury,
vanadium,
tin,
magnesium,
selenium
sites.
Lower
lead,
arsenic,
zinc,
cobalt
found
Mahshahr.
Additionally,
correlation
water
bodies.
These
findings
offer
valuable
insights
into
distribution
elements
populations
environments
Gulf.
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Дек. 5, 2024
This
mini-review
outlines
major
climate-change
exacerbated
sources
of
metal
to
the
Arctic
marine
environment,
leading
measured
concentrations
sometimes
exceeding
levels
considered
environmentally
safe,
and
thus
potentially
impacting
arctic
zooplankton.
We
review
bioavailability
metals
in
environments
current
state
knowledge
on
toxicity
copepods.
Toxicity
response
mechanisms
included
oxidative
stress
as
well
genetic
processes
DNA
damage
repair.
highlight
species-specific
differences
impacts
within
diverse
group
planktonic
summarize
observed
responses
at
multiple
biological
organization,
note
that
studies
species
are
scarce
need
expansion,
results
from
temperate
tropical
may
not
be
readily
transferable
counterparts.
further
provide
an
updated
view
combination
with
other
stressors
system
light
increasing
attention
climate
change
pollution.
For
zooplankton,
a
number
research
gaps
identified,
including
for
integrating
effects
across
into
heritable
changes
long-term
transgenerational
impacts,
considering
interspecific
capacity
adaptation.
Metal
contamination
of
aquatic
environments
remains
a
major
concern
due
to
their
persistence.
The
water
flea
Daphnia
magna
is
an
important
model
species
for
metal
toxicity
studies
and
quality
assessment.
However,
most
research
has
focused
on
physiological
endpoints
such
as
mortality,
growth,
reproduction
in
laboratory
settings,
well
neglected
toxicogenomic
responses.
Copper
(Cu)
zinc
(Zn)
are
essential
trace
elements
that
play
crucial
roles
many
biological
processes,
including
iron
metabolism,
connective
tissue
formation,
neurotransmitter
synthesis,
DNA
immune
function.
Excess
amounts
these
metals
result
deviations
from
homeostasis
may
induce
toxic
In
this
study,
we
analyzed
transcriptomic
responses
IC