Environmental Pollution,
Год журнала:
2023,
Номер
331, С. 121878 - 121878
Опубликована: Май 25, 2023
The
lack
of
data
on
the
chronic
effects
chloroacetanilide
herbicide
metabolites
non-target
aquatic
organisms
creates
a
gap
in
knowledge
about
comprehensive
impacts
excessive
and
repeated
pesticide
use.
Therefore,
this
study
evaluates
long-term
propachlor
ethanolic
sulfonic
acid
(PROP-ESA)
after
10
(T1)
20
(T2)
days
at
environmental
level
3.5
μg.L−1
(E1)
its
10x
fold
multiply
35
(E2)
model
organism
Mytilus
galloprovincialis.
To
end,
PROP-ESA
usually
showed
time-
dose-dependent
trend,
especially
amount
soft
mussel
tissue.
bioconcentration
factor
increased
from
T1
to
T2
both
exposure
groups
–
2.12
5.30
E1
2.32
5.48
E2.
Biochemical
haemolymph
profile
haemocyte
viability
were
not
affected
by
exposure.
In
addition,
digestive
gland
(DG)
cells
decreased
only
E2
compared
control
T1.
Moreover,
malondialdehyde
levels
gills,
DG,
superoxidase
dismutase
activity
oxidatively
modified
proteins
PROP-ESA.
Histopathological
observation
several
damages
gills
(e.g.,
vacuolation,
over-production
mucus,
loss
cilia)
DG
growing
trend
infiltrations,
alterations
tubules).
This
revealed
potential
risk
herbicide,
propachlor,
via
primary
metabolite
Bivalve
bioindicator
species
M.
Furthermore,
considering
possibility
biomagnification
effect,
most
prominent
threat
poses
ability
be
accumulated
edible
tissues.
future
research
toxicity
alone
or
their
mixtures
is
needed
gain
results
living
organisms.
Frontiers in Physiology,
Год журнала:
2022,
Номер
13
Опубликована: Июль 11, 2022
Pharmaceuticals
are
now
considered
to
be
established
contaminants,
and
their
presence
in
water
poses
a
real
risk
not
only
the
marine
ecosystem,
as
they
may
adversely
affect
non-target
organisms
that
exposed
them,
but
also
indirectly
humans.
This
is
particularly
true
for
model
organism
this
work,
Mytilus
galloprovincialis
(Lamarck,
1819),
suspensivore
bioaccumulating
enters
human
food
chain.
Among
most
commonly
used
over-the-counter
medicines,
anti-inflammatory
drugs
certainly
feature
prominently,
with
acetylsalicylic
acid
(ASA)
at
top.
In
M.
specimens
were
two
concentrations
of
ASA
(10
100
μg/L)
10
20
days
evaluate
possible
alterations
decrease
regulatory
volume
(RVD)
digestive
gland
cells
cell
viability
both
these
hemocytes.
addition,
histopathological
condition
index
gills
was
evaluated.
The
data
obtained
showed
chronic
exposure
did
alter
hemocytes
alters
physiological
mechanisms
regulation
and,
time-dose
reaction
showing
numerous
such
lipofuscin
deposits
hemocyte
infiltration
found.
These
results
confirm
potential
toxicity
biota,
highlighting
necessity
deepen
knowledge
regarding
link
between
pharmaceuticals
organisms.
Saudi Journal of Biological Sciences,
Год журнала:
2022,
Номер
29(7), С. 103316 - 103316
Опубликована: Май 22, 2022
Chlorpyrifos
is
a
widely
applied
insecticide
that
permeates
on
most
waterways
and
affects
aquatic
organisms.
The
growth
performances,
hematological
histological
impacts
Nile
tilapia,
Oreochromis
niloticus
following
60
day
of
exposure
to
varying
concentrations
chlorpyrifos
20
EC
(T1
08
µgL-1,
T2
16
T3
32
µgL-1)
were
compared
control
Tc
0
µgL-1.
96-hour
LC50
was
calculated
as
46.80
μgL-1.
water
quality
parameters
recorded
regularly.
value
dissolved
O2
NH3
stayed
rather
steady,
although
temperature
varied
considerably.
It
revealed
levels
go
up,
the
percentage
weight
gain
(WG
%),
specific
rates
(SGR),
survival
rate
decreases.
group
had
highest
percentages
SGR
(1.16
±
0.58)
lowest
(0.25
0.77).
assessment
showed
significant
differences
hemoglobin
concentration,
white
blood
cell
counts
red
numbers
between
treatment
(P
<
0.05).
Histological
alterations
in
liver,
gills,
muscle
tissues
reported
be
worse
for
others.
There
no
statistical
GSI,
HSI
values
groups.
shown
highly
toxic
O.
at
sub-lethal
dosages.
Environmental Pollution,
Год журнала:
2023,
Номер
331, С. 121878 - 121878
Опубликована: Май 25, 2023
The
lack
of
data
on
the
chronic
effects
chloroacetanilide
herbicide
metabolites
non-target
aquatic
organisms
creates
a
gap
in
knowledge
about
comprehensive
impacts
excessive
and
repeated
pesticide
use.
Therefore,
this
study
evaluates
long-term
propachlor
ethanolic
sulfonic
acid
(PROP-ESA)
after
10
(T1)
20
(T2)
days
at
environmental
level
3.5
μg.L−1
(E1)
its
10x
fold
multiply
35
(E2)
model
organism
Mytilus
galloprovincialis.
To
end,
PROP-ESA
usually
showed
time-
dose-dependent
trend,
especially
amount
soft
mussel
tissue.
bioconcentration
factor
increased
from
T1
to
T2
both
exposure
groups
–
2.12
5.30
E1
2.32
5.48
E2.
Biochemical
haemolymph
profile
haemocyte
viability
were
not
affected
by
exposure.
In
addition,
digestive
gland
(DG)
cells
decreased
only
E2
compared
control
T1.
Moreover,
malondialdehyde
levels
gills,
DG,
superoxidase
dismutase
activity
oxidatively
modified
proteins
PROP-ESA.
Histopathological
observation
several
damages
gills
(e.g.,
vacuolation,
over-production
mucus,
loss
cilia)
DG
growing
trend
infiltrations,
alterations
tubules).
This
revealed
potential
risk
herbicide,
propachlor,
via
primary
metabolite
Bivalve
bioindicator
species
M.
Furthermore,
considering
possibility
biomagnification
effect,
most
prominent
threat
poses
ability
be
accumulated
edible
tissues.
future
research
toxicity
alone
or
their
mixtures
is
needed
gain
results
living
organisms.
