International Journal of Biology and Biomedical Engineering,
Journal Year:
2022,
Volume and Issue:
16, P. 330 - 338
Published: July 27, 2022
The
mantle
plays
important
role
in
the
mechanism
of
oyster
protection
caused
by
environmental
pollutants.
This
study
aims
to
analyze
effect
water
accommodated
fraction
crude
oil
on
Slipper-Shaped
Oyster
(Crassostrea
iredalei)
at
different
doses
and
time
exposure.
ventral
posterior
segments
were
fixed,
tissue
sections
stained
with
hematoxylin-eosin,
PAS-Periodic
acid–Schiff,
TEM-transmission
electron
microscopy
techniques.
HE-hematoxylin
eosin,
PAS-alcian,
used
characterize
mucosubstances
describe
ultrastructure-related
response
a
certain
part
after
tissues
epithelium,
connective
tissue,
mucus
cells,
pigmented
numerous
hemolymph
sinuses,
shell
formation,
blood
sinus
recognized
under
light
microscope.
mucous
cell
was
excreted
all
concentrations
(control,
12.5,
25,
50,
100%
Water
Acomodate
Fraction)
also
exposure
(24,
48,
72,
96
hours).
A
large
number
cells
produced
inner
cavity
(IMC)
outer
(OMC).
Mucous
increased
increasing
WAF
concentration
as
well
length
time.
highest
observed
Accommodate
Fraction
(WAF)
hours
structure
function
mantle,
edge
cell,
muscle
bundles,
nerve
fibers,
epithelium
layer
documented
this
study.
Environmental Science Nano,
Journal Year:
2024,
Volume and Issue:
11(4), P. 1612 - 1621
Published: Jan. 1, 2024
Novel
formulations
for
pesticides
based
on
nano-sized
carriers
loaded
with
active
substances
(
i.e.
,
nanopesticides)
have
been
developed
in
recent
years
to
enhance
the
technical,
environmental,
and
toxicological
properties
of
pesticides.
Environmental Research,
Journal Year:
2023,
Volume and Issue:
236, P. 116817 - 116817
Published: Aug. 2, 2023
Natural
and
anthropogenic
environmental
impacts
can
introduce
contaminants
into
sensitive
habitats,
threatening
ecosystems
human
health.
Consistent
monitoring
of
coastal
areas
provides
critical
assessment
data.
Sediments
Eastern
Oyster
(Crassostrea
virginica)
tissues
were
collected
at
fourteen
South
Carolina
(SC)
four
North
(NC)
sites
as
part
the
National
Oceanic
Atmospheric
Administration's
Mussel
Watch
program.
Cellular
molecular
techniques
employed
to
measure
C.
virginica
stress
response,
specifically,
Lipid
Peroxidation
(LPx),
Glutathione
(GSH),
qPCR
techniques.
Gene
specific
primers
targeted
for
detecting
oxidative
cellular
death
developed
in
gauge
response
current
conditions
using
gill
hepatopancreas
(HP)
tissue.
In
order
validate
gene
markers
additional
tools,
a
96
h
zinc
(Zn)
laboratory
exposure
was
performed.
biomarker
data
revealed
tissue
responses.
Hepatopancreas
showed
exhibited
through
lipid
peroxidation
assay
amongst
sampling
sites,
however,
managed
glutathione
detoxification.
Gill
had
significantly
lower
levels
compared
hepatopancreas.
Molecular
biomarkers
targeting
these
pathways
analysis
show
upregulation
Metallothionein
with
concurrent
>
2-fold
detoxification
marker
Superoxide
Dismutase
(SOD)
three
NC
sites.
SC
displayed
higher
LPx
assays
down-regulation
GPx
activity.
Laboratory
no
significance
results,
gills
responding
treatment
Metallothionein,
SOD
Cathepsin
L,
indicating
an
acute
gills.
Collectively,
chemical,
methods
clarify
sentinel
biological
aid
evaluating
health
ecosystems.
This
combined
methodological
approach
detailed
improves
land-use
management
decisions.
International Journal of Biology and Biomedical Engineering,
Journal Year:
2022,
Volume and Issue:
16, P. 330 - 338
Published: July 27, 2022
The
mantle
plays
important
role
in
the
mechanism
of
oyster
protection
caused
by
environmental
pollutants.
This
study
aims
to
analyze
effect
water
accommodated
fraction
crude
oil
on
Slipper-Shaped
Oyster
(Crassostrea
iredalei)
at
different
doses
and
time
exposure.
ventral
posterior
segments
were
fixed,
tissue
sections
stained
with
hematoxylin-eosin,
PAS-Periodic
acid–Schiff,
TEM-transmission
electron
microscopy
techniques.
HE-hematoxylin
eosin,
PAS-alcian,
used
characterize
mucosubstances
describe
ultrastructure-related
response
a
certain
part
after
tissues
epithelium,
connective
tissue,
mucus
cells,
pigmented
numerous
hemolymph
sinuses,
shell
formation,
blood
sinus
recognized
under
light
microscope.
mucous
cell
was
excreted
all
concentrations
(control,
12.5,
25,
50,
100%
Water
Acomodate
Fraction)
also
exposure
(24,
48,
72,
96
hours).
A
large
number
cells
produced
inner
cavity
(IMC)
outer
(OMC).
Mucous
increased
increasing
WAF
concentration
as
well
length
time.
highest
observed
Accommodate
Fraction
(WAF)
hours
structure
function
mantle,
edge
cell,
muscle
bundles,
nerve
fibers,
epithelium
layer
documented
this
study.
