Tropical and Subtropical Agroecosystems,
Journal Year:
2021,
Volume and Issue:
25(1)
Published: Oct. 5, 2021
<p><strong>Background.
</strong>The
<em>Macrobrachium
tenellum</em>
prawn
is
captured
and
commercialized
by
local
fishermen
along
its
distribution
interval.
It
considered
an
euryhaline
palemonid
prawn.
If
cultivation
wanted,
the
best
conditions
for
growth
reproduction
should
be
investigated,
including
proper
intervals
of
temperature,
salinity,
density
dissolved
oxygen.
<strong>Objective.</strong>
To
determine
effect
two
different
salinities
(0
15PSU)
on
physiological
rates
that
balance
energy
equation
in
<em>M.
adults
to
if
use
more
efficient
under
isosmotic
conditions.
<strong>Methodology</strong>.
Specimens
were
collected
Guasave,
Sinaloa,
Mexico,
July
2018
taken
Aquaculture
Laboratory
at
UAdeO.
The
was
calculated
hyposmotic
PSU)
(15
preferred
temperature
(28.5
±
1
°
C).
invested
respiration
excretion,
feces
lost
ingested
food
potential
using
a
semi-open
respirometer.
<strong>Results.</strong>
highest
expenditure
occurred
respiratory
rate
(routine
metabolism),
then
production
finally
ammonia
both
salinities.
total
observed
fresh
water.
amount
directed
or
brackish
water
PSU),
as
well
ingestion.
<strong>Implications.</strong>
Knowledge
feed
saline
condition
useful
culture
purposes.
<strong>Conclusion.</strong>
where
channeled
15UPS
(isosmotic
point)
it
also
less
spent.</p>
Frontiers in Physiology,
Journal Year:
2022,
Volume and Issue:
13
Published: May 25, 2022
Macrobrachium
nipponense
is
an
economically
important
prawn
species
and
common
in
Chinese
inland
capture
fisheries.
During
aquaculture,
M.
can
survive
under
freshwater
low
salinity
conditions.
The
molecular
mechanism
underlying
the
response
to
acclimation
remains
unclear
this
species;
thus,
study,
we
used
Illumina
RNA
sequencing
platform
for
transcriptome
analyses
of
gill
hepatopancreas
tissues
exposed
stress
[0.4‰
(S0,
control
group),
6‰
(S6,
12‰
(S12,
high
group)].
Differentially
expressed
genes
were
identified,
several
adaptation-related
terms
signaling
pathways
found
be
enriched,
such
as
“ion
transport,”
“oxidative
phosphorylation,”
“glycometabolism.”
Quantitative
real-time
PCR
demonstrated
participation
12
key
osmotic
pressure
regulation
acute
stress.
Further,
role
carbonic
anhydrase
was
investigated
by
subjecting
situ
hybridization.
Collectively,
results
reported
herein
enhance
our
understanding
mechanisms
via
which
adapts
changes
salinity.
Frontiers in Marine Science,
Journal Year:
2022,
Volume and Issue:
8
Published: Jan. 3, 2022
This
study
was
conducted
to
understand
the
changes
of
physiological
and
biochemical
indexes
black
red
shell
Pinctada
fucata
under
acute
high
low
salt
stress.
In
this
study,
salinity
35‰
used
as
control,
while
salinities
20
50%
were
treatment
groups,
respectively.
The
osmotic
pressure
(OSM)
ion
concentration
in
hemolymph,
Na
+
-K
-ATPase
(NKA)
activity
respiratory
metabolism
gills,
antioxidant
immune
(non)
enzymes
hepatopancreas
P.
with
two
colors
compared
analyzed
at
time
periods
1.5
3
h
post-salinity
results
showed
that
OSM
inorganic
(Na
,
Ca
2+
Cl
–
)
hemolymph
increased
significantly
increase
after
h.
At
h,
NKA
decreased
salinity,
reached
highest
value
salinity.
succinate
dehydrogenase
(SDH)
lactate
(LDH)
activities
U-shaped
inverted
distributions
With
phenoloxidase
(POX)
distributions,
contents
glutathione
(GSH)
vitamin
C
(VC)
Red
GSH
VC
their
maximum
1.5-h
group
3-h
group.
E
(VE)
content
control
VE
obtained
from
present
revealed
sensitivity
varied
color.
Compared
responds
more
quickly
sharp
changes,
thereby
reducing
likely
damage.
a
environment,
adaptable
environment.
provide
physical
references
for
subsequent
selective
breeding
species.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(5), P. 2489 - 2489
Published: Feb. 25, 2025
Antifouling
paints
are
essentially
used
to
prevent
biological
fouling
of
marine
vessels
and
structures,
but
their
release
into
the
environment
has
resulted
in
various
ecosystem
problems.
Irgarol,
a
representative
antifouling
paint
substance,
is
well
known
for
its
direct
effects
on
plankton
productivity,
studies
harmful
estuarine
organisms
limited.
This
study
aimed
determine
impact
irgarol
exposure
at
transcriptional
level
Macrophthalmus
japonicus,
highly
dominant
crab
species
estuaries.
To
this
end,
we
characterized
M.
japonicus
arginine
kinase
(AK)
gene,
which
plays
role
energy
metabolism
invertebrates,
examined
expression
levels
response
exposure.
Consequently,
AK
was
identified
as
prevalent
enzyme
invertebrate
species,
including
crustaceans
insects.
Following
exposure,
gills
exhibited
relatively
elevated
gene
compared
control
group
4
7
days
In
addition,
observed
hepatopancreas.
Notably,
low
concentrations
1
10
μg
L−1
demonstrated
comparatively
higher
hepatopancreas
than
high
concentration
30
L−1.
The
results
imply
that
may
disrupt
equilibrium
metabolic
processes
regulated
by
crab.
Moreover,
sustained
environmental
accumulation
indicates
it
serve
significant
disturbance
factor
within
ecosystems.
Water,
Journal Year:
2022,
Volume and Issue:
14(24), P. 4026 - 4026
Published: Dec. 9, 2022
Salinity
is
a
decisive
abiotic
factor
that
modulates
the
physiology
of
aquatic
organisms.
itself
modulated
by
various
factors—most
notably
anthropogenic
factors.
In
coastal
regions,
increasing
salinity
observed
mostly
due
to
elevated
rate
evaporation
under
high
temperatures,
especially
global
warming.
addition,
many
other
factors,
climatic
chemicals,
etc.,
also
contribute
changes
in
water.
Some
these
include
rainfall,
regional
warming,
precipitation,
moisture,
thermohaline
circulation,
gaseous
pollutants,
dissolved
wind
flow,
and
biocrusts.
has
been
found
regulate
osmotic
balance
and,
thus,
can
directly
or
indirectly
influence
biomarkers
oxidative
stress
(OS)
Imbalances
OS
potentially
affect
growth,
production,
reproduction
organisms;
therefore,
they
are
being
studied
organisms
economic
aquacultural
importance.
Salinity-modulated
redox
regulation
as
function
phylum
covered
this
review.
The
literature
from
1960
2021
indicates
altered
changing
combination
with
(anthropogenic)
factors
species-specific,
even
within
particular
phylum.
Thus,
knowing
response
mechanisms
such
may
be
useful
for
management
specific
animals
their
habitats.
Ecotoxicology and Environmental Safety,
Journal Year:
2022,
Volume and Issue:
241, P. 113712 - 113712
Published: June 2, 2022
Raw
materials
for
making
dried
shrimp
(a
type
of
foodstuff)
are
mostly
from
farmed
and
preliminary
findings
indicated
that
head
copper
(Cu)
concentrations
in
some
commercial
products
exceeded
the
safe
limit
specified
pollution-free
aquatic
(50
mg/kg),
which
may
influence
food
safety.
Therefore,
a
63-day
feeding
trial
was
conducted
to
explore
effects
dietary
Cu
on
accumulation
tissues,
growth
performance,
immune
response
antioxidant
status
Pacific
white
(Litopenaeus
vannamei).
Moderating
effect
myo-inositol
(MI,
adding
200
mg/kg
diet)
adverse
impacts
caused
by
excessive
also
investigated.
600
(initial
weight:
0.89
±
0.00
g)
were
divided
into
five
groups:
37.08
mg
Cu/kg
diet
group
(control
group),
62.57
group,
125.99
63.41
(supplemented
with
MI)
119.19
MI).
The
results
showed
increased
over
mg/kg,
hepatopancreas
raised
29.04
233.43–263.65
muscle
only
6.22
6.99–8.39
mg/kg.
Report
control
concentration
(125.99
mg/kg)
didn't
significantly
affect
but
it
notably
reduced
whole
body
lipid
content
response,
induced
oxidative
stress
damaged
structure,
ameliorated
MI
supplementation.
suggested
consuming
its
processed
weren't
recommended.
feeds
should
be
controlled
below
Additionally,
supplementation
mitigated
negative
Cu.
Animal Genetics,
Journal Year:
2022,
Volume and Issue:
53(3), P. 380 - 392
Published: March 18, 2022
Ammonia
is
a
major
environmental
pollutant
in
the
aquatic
system
that
poses
great
threat
to
health
of
shrimp.
Macrobrachium
nipponense,
as
one
large-yield
farmed
shrimp,
facing
germplasm
degradation.
Genetic
improvement
through
hybridization
effective
methods
solve
this
problem.
However,
there
are
few
studies
on
effects
ammonia
nitrogen
resources
M.
nipponense.
In
study,
broodstock
populations
(Dianshan,
DS)
and
hybrid
offspring
(DS
♀
×
CD
[Changjiang,
CJ
♂
Dongting,
DT
♀],
SCD)
were
exposed
0,
5,
or
20
mg/L
for
96
h.
The
survival
rate
SCD
group
was
greater
than
DS
group,
although
no
significant
differences
weight
gain
length
(p
>
0.05).
number
positive
cells
apoptosis
rates
significantly
after
exposure
<
As
concentration
increased,
antioxidant
enzyme
activities
higher
while
hepatotoxicity
lower
trends
expression
antioxidant-
immune-related
genes
generally
consistent
with
enzymes.
Our
study
found
population
had
stronger
stress
resistance
their
parent
at
same
concentration.
This
confirms
our
speculation
has
advantage
immunity,
which
also
provides
reference
follow-up
chronic
toxicity.