Foods,
Год журнала:
2021,
Номер
10(11), С. 2690 - 2690
Опубликована: Ноя. 3, 2021
Bivalves
are
a
good
source
of
nutrients
but
also
potential
environmental
contaminants,
which
could
pose
risk
for
consumers.
The
aims
this
study
were:
the
determination
16
elements
by
ICP-MS
in
48
samples
five
bivalve
species
purchased
from
market
Korea;
identification
useful
classification
using
multivariate
analyses;
and
benefit-risk
evaluation
associated
to
consumption
these
bivalves.
highest
difference
among
content
between
was
found
Cd,
Mn,
Ni,
Zn,
Fe.
Partial
last
squares
discriminant
analysis
revealed
with
VIP
score
>1
were
considered
as
most
relevant
explaining
certain
species.
As,
Co,
Ni
taxonomical
markers
V.
philippinarum;
Mg,
Na
A.
irradians;
Fe
M.
yessoensis.
These
serve
dietary
sources
essential
elements.
Cd
exposure
Manila
clams
is
not
representing
health
Korean
population;
however,
through
Yesso
scallops,
5.3%
population
has
risk.
Removal
digestive
gland
before
eating
will
drastically
reduce
amount
ingested.
Water,
Год журнала:
2022,
Номер
14(3), С. 349 - 349
Опубликована: Янв. 25, 2022
We
report
a
monthly
distribution
of
Zn,
Cd,
Pb,
Cu,
Ni
and
Co,
biologically
relevant
trace
metals
(TMs),
within
one
year,
in
the
productive
surface
layer
at
two
stations
with
different
trophic
characters
northern
Adriatic
(NA).
The
TM
data
was
accompanied
by
multivariable
dataset,
including
dissolved
organic
carbon
(DOC),
surface-active
substances
(SAS),
nitrogen-containing
polymeric
material
(N-POM),
nutrients,
pH,
O2,
chlorophyll
(Chl
a),
seawater
temperature,
Po
River
discharge
rate.
At
eu-
to
mesotrophic
station
108,
concentrations
TMs
were
5–116
nM
for
0.04–0.18
0.05–0.63
3–17
4–11
Ni,
0.2–1.2
while
oligotrophic
107,
they
6–224
0.03–0.16
0.05–1.25
4–19
0.1–0.7
Co.
characterization
matter
(OM)
conjunction
analysis
correlations
indicated
that
OM–TMs
interactions
differed
between
stations;
namely,
freshly
produced
OM
detected
108
probably
involved
complexation
whereas
such
processes
not
present.
Accumulation
DOC
observed
during
summer
months
both
stations.
Our
results
present
significant
contribution
biogeochemical
studies
NA
focusing
on
complexity
TM–OM
interactions,
which
is
prerequisite
interpretation
their
responses
local
global
changes.
Antioxidants,
Год журнала:
2022,
Номер
11(11), С. 2148 - 2148
Опубликована: Окт. 30, 2022
Copper
(Cu)
is
a
ubiquitous
trace
element
in
the
aquatic
environment,
and
usually
found
at
low
levels.
environmental
concentrations
can
be
altered
as
result
anthropogenic
activities.
Shellfish
are
useful
bioindicators
to
ensure
adequate
monitoring.
Thus,
aim
of
present
study
was
follows:
(a)
determine
LC50
copper(I)
chloride
grooved
carpet
shell
(Ruditapes
decussatus)
collected
Santa
Gilla
lagoon
(Sardinia,
Italy),
(b)
analyze
antioxidant
biomarkers
digestive
gland
gills
same
specimens
exposed
different
above-mentioned
metal
(0.045,
0.45,
0.90
mg/L)
for
96
h.
A
withdrawal
period
h
considered
treated
clam,
carrying
out
biochemical
analyses,
superoxide
dismutase
(SOD),
catalase
(CAT),
selenium-dependent
glutathione
peroxidase
(Se-GPx),
S-transferases
(GSTs),
total
(GSH+2GSSG)
two
tissues.
Different
time
dose
responses
were
recorded
glands
gills.
Oxidative
stress
highlighted
ability
Cu
induce
oxidative
R.
decussatus.
Clam,
following
h,
has
not
been
able
achieve
control
levels
all
markers
decussatus
suitable
model
assess
ecotoxicity
copper
ecosystems.
These
findings
may
advance
knowledge
on
role
effects
shell.
The
response
perform
accurate
biomarker-based
monitoring
programs
using
this
bivalve
species.
Journal of Zoological Systematics & Evolutionary Research,
Год журнала:
2020,
Номер
58(2), С. 561 - 570
Опубликована: Май 1, 2020
In
animals,
doubly
uniparental
inheritance
(DUI)
is
a
major
exception
to
the
common
strict
maternal
of
mitochondria.
To
date,
DUI
has
only
been
found
in
many
bivalve
species,
but
its
distribution
still
unclear.
Given
great
species
richness
class,
much
effort
needed
further
investigate
occurrence
unsampled
species.
A
compelling
evidence
generally
presence
sex-linked
heteroplasmy,
where
two
divergent
mitochondrial
lineages
are
found:
One
isolated
from
male
germline,
and
other
one
female
germline
and,
normally,
soma
both
sexes.
present
study,
we
investigated
heteroplasmy
razor
clam
Solen
marginatus
Pulteney,
1799
lagoon
cockle
Cerastoderma
glaucum
(Bruguière,
1789)
using
markers
(cox1
rrnL).
We
S.
marginatus,
with
divergence
up
21%
for
rrnL
gene,
not
C.
glaucum.
Moreover,
our
phylogenetic
reconstruction
includes
all
available
data
heterodont
suggests
multiple
origins
this
subclass,
as
well
genus
Solen.
Toxics,
Год журнала:
2022,
Номер
10(8), С. 452 - 452
Опубликована: Авг. 5, 2022
The
levels
of
essential
(Cu,
Cr,
Co,
Mn,
Se,
Zn)
and
non-essential
(As,
Be,
Bi,
Cd,
Cs,
Ga,
Ni,
Pb,
Sr,
Tl,
U,
V)
trace
elements
were
studied
in
razor
clams
(Solen
marginatus)
collected
from
the
Tyrrhenian
coast
Southern
Italy
at
five
selected
sites
along
Domitio
littoral
Campania
region.
main
objectives
this
study
to
assess
contamination
status
these
bivalve
mollusks
evaluate
risks
environment
consumers
due
metal
contamination.
concentrations
18
determined
after
microwave-assisted
mineralization
by
inductively
coupled
plasma
mass
spectrometry
(ICP-MS).
Concentrations
toxic
Pb
Cd
below
maximum
established
Commission
Regulation
(EC)
1881/2006,
while
higher
average
arsenic
found
each
studied.
Regarding
other
elements,
followed
order:
Zn
>
Sr
Mn
Cu
Se
Cr
V
Ni
Co
Ga
Cs
Be
U
Bi
Tl.
No
significant
differences
among
with
regard
any
analyzed,
element
did
not
reflect
sediment
results
demonstrated
substantial
food
safety
area
respect
heavy
metals
but
revealed
a
potential
health
risk
all
areas
sampled.
