Marine Life Science & Technology,
Journal Year:
2024,
Volume and Issue:
6(2), P. 315 - 330
Published: May 8, 2024
Marine
ecosystems
are
facing
escalating
environmental
fluctuations
owing
to
climate
change
and
human
activities,
imposing
pressures
on
marine
species.
To
withstand
recurring
challenges,
organisms,
especially
benthic
species
lacking
behavioral
choices
select
optimal
habitats,
have
utilize
well-established
strategies
such
as
the
antioxidant
defense
system
(ADS)
ensure
their
survival.
Therefore,
understanding
of
mechanisms
governing
ADS-based
response
is
essential
for
gaining
insights
into
adaptive
managing
challenges.
Here
we
conducted
a
comparative
analysis
physiological
transcriptional
responses
based
ADS
during
two
rounds
'hypersalinity-recovery'
challenges
in
model
congeneric
invasive
ascidians,
Chemosphere,
Journal Year:
2024,
Volume and Issue:
351, P. 141168 - 141168
Published: Jan. 10, 2024
The
threat
of
climate
change,
including
shifts
in
salinity
and
temperature,
has
generated
a
global
concern
for
marine
organisms.
These
changes
directly
impact
them
may
alter
their
susceptibility
to
contaminants,
such
as
terbium
(Tb),
found
electronic
waste.
This
study
assessed
how
decreased
increased
salinity,
well
modulates
Tb
effects
Mytilus
galloprovincialis
mussels.
After
an
exposure
period
28
days,
bioaccumulation
biochemical
were
evaluated.
Results
indicated
no
significant
modulation
temperature
on
accumulation,
suggesting
detoxification
mechanisms
adaptations.
Further
analysis
showed
that
alone
caused
antioxidant
inhibition
neurotoxicity.
When
exposed
these
Tb-exposed
organisms
activated
defense
mechanisms,
response
indicative
osmotic
stress.
Moreover,
also
led
oxidative
stress
metabolic
activity
Additionally,
responded
elevated
with
altered
activities
damage
response.
Such
responses
masked
by
heat
provides
valuable
insights
the
interactions
between
contaminants
Tb,
impacting
Understanding
relationships
is
crucial
mitigating
change
waste
ecosystems.
Animals,
Journal Year:
2022,
Volume and Issue:
12(19), P. 2523 - 2523
Published: Sept. 21, 2022
The
impact
of
climate
change
on
both
terrestrial
and
aquatic
ecosystems
tends
to
become
more
progressively
pronounced
devastating
over
the
years.
sector
aquaculture
is
severely
affected
by
natural
abiotic
factors,
account
change,
that
lead
various
undesirable
phenomena,
including
species
mortalities
decreased
productivity
owing
oxidative
thermal
stress
reared
organisms.
Novel
innovative
technologies,
such
as
aquaponics
are
based
co-cultivation
freshwater
fish
with
plants
in
a
sustainable
manner
under
context
controlled
represent
promising
tool
for
mitigating
effect
fish.
rainbow
trout
(Oncorhynchus
mykiss)
constitutes
one
major
freshwater-reared
species,
contributing
national
economies
numerous
countries,
specifically,
regional
development,
supporting
mountainous
areas
low
productivity.
However,
it
highly
vulnerable
effects,
mainly
due
concrete
raceways,
which
reared,
constructed
flow-through
rivers
are,
therefore,
dependent
water’s
physical
properties.
current
review
study
evaluates
suitability,
progress,
challenges
developing
aquaponic
systems
rear
combination
cultivation
plants.
Although
not
commercially
developed
great
extent
yet,
research
has
shown
valuable
experimental
model
may
be
also
exploited
future.
In
particular,
factors
required
farming
along,
high
protein
proportion
ratios
strict
carnivorous
feeding
behavior,
result
nitrate
production
can
utilized
source
nitrogen
an
system.
Intensive
using
digital
monitoring
system
parameters,
obstacles
originating
from
extreme
temperature
fluctuations.
Journal of Experimental Biology,
Journal Year:
2022,
Volume and Issue:
225(24)
Published: Nov. 25, 2022
Organisms
can
modify
and
increase
their
thermal
tolerance
faster
more
efficiently
after
a
brief
exposure
to
sublethal
stress.
This
response
is
called
'heat
hardening'
as
it
leads
the
generation
of
phenotypes
with
increased
heat
tolerance.
The
aim
this
study
was
investigate
impact
hardening
on
metabolomic
profile
Mytilus
galloprovincialis
in
order
identify
associated
adjustments
biochemical
pathways
that
might
benefit
mussels'
Thus,
mussels
were
exposed
sequentially
two
different
phases
(heat
acclimation
phases).
To
gain
further
insight
into
possible
mechanisms
underlying
metabolic
heat-hardened
M.
galloprovincialis,
metabolomics
analysis
complemented
by
estimation
mRNA
expression
phosphoenolpyruvate
carboxykinase
(PEPCK),
pyruvate
kinase
(PK)
alternative
oxidase
(AOX)
implicated
gluconeogenesis,
glycolysis
redox
homeostasis,
respectively.
Heat-hardened
showed
evidence
higher
activity
tricarboxylic
acid
(TCA)
cycle
diversification
upregulated
pathways,
possibly
mechanism
ATP
production
extend
survival
under
Moreover,
formate
taurine
accumulation
provide
an
antioxidant
cytoprotective
role
during
hypoxia
Overall,
responses
non-heat-hardened
underline
upper
limits
set
at
26°C,
are
accordance
OCLTT
concept.
ability
undergo
rapid
slow
loss
may
be
advantageous
strategy
for
coping
intermittent
often
extreme
temperatures.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
263, P. 115197 - 115197
Published: July 13, 2023
High-temperature
stress
caused
by
global
climate
change
poses
a
significant
threat
to
marine
ectotherms.
This
study
investigated
the
role
of
protein
phosphorylation
modifications
in
molecular
regulation
network
under
heat
oysters,
which
are
representative
intertidal
organisms
that
experience
considerable
temperature
changes.
Firstly,
compared
extent
thermal
damage
between
two
congeneric
oyster
species,
relative
heat-tolerant
Crassostrea
angulata
(C.
angulata)
and
heat-sensitive
gigas
gigas),
sublethal
(37
°C)
for
12
h,
using
various
physiological
biochemical
methods.
Subsequently,
comparative
proteomic
phosphoproteomic
analyses
revealed
high-temperature
considerably
regulated
signal
transduction,
energy
metabolism,
synthesis,
cell
survival
apoptosis,
cytoskeleton
remodeling
through
related
receptors
kinases.
Furthermore,
kinase
A,
mitogen-activated
1,
tyrosine-protein
Src,
serine/threonine
AKT,
exhibiting
differential
modification
patterns,
were
identified
as
hub
regulators
may
enhance
glycolysis
TCA
cycle
increase
supply,
distribute
inhibit
Caspase-dependent
apoptosis
activated
endogenous
mitochondrial
cytochrome
release
maintain
cytoskeletal
stability,
ultimately
shaping
higher
resistance
C.
angulata.
represents
first
investigation
dynamics
invertebrates
stress,
reveals
mechanisms
underlying
responses
oysters
at
level,
provides
new
insights
into
understanding
phosphorylation-mediated
during
environmental
changes
predicting
adaptive
potential
context
warming.
Frontiers in Physiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Sept. 29, 2023
Introduction:
Temperature
affects
organisms'
metabolism
and
ecological
performance.
Owing
to
climate
change,
sea
warming
constituting
a
severe
source
of
environmental
stress
for
marine
organisms,
since
it
increases
at
alarming
rates.
Rapid
can
exceed
resilience
organisms
leading
fitness
loss
mortality.
However,
improve
their
thermal
tolerance
when
briefly
exposed
sublethal
(heat
hardening),
thus
generating
heat
tolerant
phenotypes.
Methods:
We
investigated
the
"stress
memory"
effect
caused
by
hardening
on
M.
galloprovincialis
metabolite
profile
in
order
identify
underlying
biochemical
mechanisms,
which
enhance
mussels'
tolerance.
Results:
The
led
accumulation
amino
acids
(e.g.,
leucine,
isoleucine
valine),
including
osmolytes
cytoprotective
agents
with
antioxidant
anti-inflammatory
properties
that
contribute
protection
mussels.
Moreover,
proteolysis
was
inhibited
protein
turnover
regulated
hardening.
Heat
alters
metabolic
stressed
mussels,
benefiting
heat-hardened
individuals
increasing
compared
non-heat-hardened
ones.
Discussion:
These
findings
provide
new
insights
mechanisms
may
reinforce
against
providing
both
natural
potential
manipulative
tools
aquaculture)
devastating
change
effects
organisms.
Journal of Experimental Biology,
Journal Year:
2025,
Volume and Issue:
228(2)
Published: Jan. 15, 2025
One
notable
consequence
of
climate
change
is
an
increase
in
the
frequency,
scale
and
severity
heat
waves.
Heat
waves
terrestrial
habitats
(atmospheric
waves,
AHW)
marine
(marine
MHW)
have
received
considerable
attention
as
environmental
forces
that
impact
organisms,
populations
whole
ecosystems.
Only
one
ecosystem,
intertidal
zone,
experiences
both
MHWs
AHWs.
In
this
Review,
we
outline
range
responses
zone
organisms
exhibit
response
to
We
begin
by
examining
drivers
thermal
maxima
develop
a
simple
model
daily
maximum
temperatures
based
on
publicly
available
tide
solar
radiation
models,
compare
it
with
logged,
under-rock
temperature
data
at
site.
then
summarize
experimental
ecological
studies
how
ecosystems
respond
across
dimensions
biotic
response.
Additional
paid
impacts
extreme
cellular
physiology,
including
oxidative
stress
thermally
induced
mitochondrial
overdrive
dysfunction.
examine
energetic
consequences
these
mechanisms
they
shift
organismal
traits,
growth,
reproduction
immune
function.
conclude
considering
important
future
directions
for
improving
organisms.