Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Июнь 14, 2022
Abstract
As
a
foundation
species
in
shallow-water
ecosystems,
the
mussel
Mytilus
edulis
is
often
exposed
to
heat
stress,
negatively
affecting
its
performance.
Trematode
parasites
may
exacerbate
those
effects.
This
study
explores
metabolic
responses
Renicola
roscovita
infections
under
mild
and
transient
exposures.
First,
we
investigated
of
artificially
infected
uninfected
small
mussels
(2
cm)
24-hour
exposure
temperature
followed
by
an
acute
ramp
subsequent
cooling.
The
results
indicated
that
reduced
filtration
13%
exacerbated
impact
as
larger
infection
effect
post-heat
recovery
phase.
However,
these
effects
were
statistically
insignificant,
owing
significant
variation
among
low
sample
sizes.
In
second
experiment,
how
size
vs
4
affected
impacts
on
performance
at
constant
temperature.
We
found
11%
12%
for
large
mussels,
respectively,
albeit
only
mussels.
No
discernible
respiration
rate
was
both
experiments.
A
positive
relationship
between
capacity
intensity
found,
suggesting
phenotypes
with
higher
be
more
prone
infections.
Overall,
our
suggest
R.
can
lower
hosts’
ability
sustain
optimal
energy
supply,
which
stress
adverse
role
phenotypic
driving
warrants
further
investigation.
Marine Ecology Progress Series,
Год журнала:
2022,
Номер
699, С. 33 - 44
Опубликована: Сен. 26, 2022
The
blue
mussel
(Mytilus
species
complex)
is
an
important
ecosystem
engineer,
and
salinity
can
be
a
major
abiotic
driver
of
functioning
in
coastal
ecosystems.
However,
little
known
about
the
interactive
effects
drivers
trematode
infection.
This
study
investigated
combined
Himasthla
elongata
Renicola
roscovita
metacercarial
infections
on
filtration
capacity,
growth,
condition
M.
edulis
from
Baltic
Sea.
In
laboratory
experiment,
groups
infected
uninfected
mussels
were
exposed
to
wide
range
salinities
(6-30,
steps
3)
for
1
mo.
Shell
growth
was
found
positively
correlated
with
optimal
at
18-24
end
imposed
by
constraints
shell
calcification
under
lower
salinities.
Mussel
not
affected
H.
While
had
only
minor
effect
tissue
dry
weight,
significantly
weight
than
mussels.
Most
interestingly,
combination
negatively
mussels’
indices
levels
(6
9),
suggesting
that
are
more
detrimental
when
freshening.
A
significant
positive
found,
initial
optimum
18
shifting
experiment.
These
findings
indicate
parasite
act
as
synergistic
stressors
mussels,
enhance
understanding
potential
future
shifts
climate
change-induced
freshening
waters.
Cryobiology,
Год журнала:
2023,
Номер
113, С. 104582 - 104582
Опубликована: Авг. 30, 2023
The
decline
of
natural
populations
the
common
cockle
(Cerastoderma
edule)
through
European
coast
is
posing
a
threat
to
local
small-scale
fisheries.
These
declines
are
primarily
attributed
prevalence
several
pathogens
and
disseminated
neoplasia
in
populations.
institution
biobank
cryopreserved
larvae
could
enhance
hatchery
production
help
restocking.
present
work
aimed
at
development
cryopreservation
protocol
for
using
mollusk
protocols
designed
our
laboratory.
Toxicity
bioassays
short-term
experiments
were
performed
optimization
according
with
cellular
tolerance.
Once
settled,
viability
was
studied
long
term.
tests
evidenced
high
tolerance
against
detrimental
effects
Cryoprotecting
Agents
(CPAs).
Cryopreservation
48
h-old
D-larva
showed
100%
survival
when
increasing
equilibrium
time
from
15
60
min
Propylene-Glycol
(PG)
+
0.4
M
Trehalose
(TRE)
Filtered
Sea
Water
(FSW)
exposure
CPA
solution
before
slow-cooling.
However,
cryopreserving
older
larvae,
variation
times
hardly
any
effect
but
10%
Ethylene-Glycol
(EG)
TRE
yielded
best
relative
survivorship
(100%).
caused
significant
delay
on
growth
rate
latest
larval
stage.
survived
day
4-6,
while
30
±
12.17%
control
developed
into
pediveliger
stage,
which
50%
settled
transformed
juvenile
cockles.
results
demonstrated
role
cell-type
specificity
highlight
importance
studying
potential
long-term
this
tool
ensure
protocols.
Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Июнь 14, 2022
Abstract
As
a
foundation
species
in
shallow-water
ecosystems,
the
mussel
Mytilus
edulis
is
often
exposed
to
heat
stress,
negatively
affecting
its
performance.
Trematode
parasites
may
exacerbate
those
effects.
This
study
explores
metabolic
responses
Renicola
roscovita
infections
under
mild
and
transient
exposures.
First,
we
investigated
of
artificially
infected
uninfected
small
mussels
(2
cm)
24-hour
exposure
temperature
followed
by
an
acute
ramp
subsequent
cooling.
The
results
indicated
that
reduced
filtration
13%
exacerbated
impact
as
larger
infection
effect
post-heat
recovery
phase.
However,
these
effects
were
statistically
insignificant,
owing
significant
variation
among
low
sample
sizes.
In
second
experiment,
how
size
vs
4
affected
impacts
on
performance
at
constant
temperature.
We
found
11%
12%
for
large
mussels,
respectively,
albeit
only
mussels.
No
discernible
respiration
rate
was
both
experiments.
A
positive
relationship
between
capacity
intensity
found,
suggesting
phenotypes
with
higher
be
more
prone
infections.
Overall,
our
suggest
R.
can
lower
hosts’
ability
sustain
optimal
energy
supply,
which
stress
adverse
role
phenotypic
driving
warrants
further
investigation.
