Wall-following behavior: Its ultimate and proximate explanations, prevalence, and implications
Advances in the study of behavior,
Год журнала:
2024,
Номер
unknown, С. 1 - 49
Опубликована: Янв. 1, 2024
Язык: Английский
Transcriptomic responses in the nervous system and correlated behavioural changes of a cephalopod exposed to ocean acidification
BMC Genomics,
Год журнала:
2024,
Номер
25(1)
Опубликована: Июнь 25, 2024
Abstract
Background
The
nervous
system
is
central
to
coordinating
behavioural
responses
environmental
change,
likely
including
ocean
acidification
(OA).
However,
a
clear
understanding
of
neurobiological
OA
lacking,
especially
for
marine
invertebrates.
Results
We
evaluated
the
transcriptomic
response
(CNS)
and
eyes
two-toned
pygmy
squid
(
Idiosepius
pygmaeus
)
conditions,
using
de
novo
transcriptome
assembly
created
with
long
read
PacBio
ISO-sequencing
data.
then
correlated
patterns
gene
expression
CO
2
treatment
levels
OA-affected
behaviours
in
same
individuals.
induced
within
related
various
different
types
neurotransmission,
neuroplasticity,
immune
function
oxidative
stress.
These
molecular
changes
may
contribute
OA-induced
changes,
as
suggested
by
correlations
among
profiles,
behaviours.
Conclusions
This
study
provides
first
insights
into
effects
on
cephalopod
correlates
whole
animal
responses,
helping
bridge
gaps
our
knowledge
between
change
responses.
Язык: Английский
Acidification alters anxiety-like behaviour and brain gene expression in zebrafish
The Science of The Total Environment,
Год журнала:
2025,
Номер
987, С. 179822 - 179822
Опубликована: Июнь 4, 2025
CO2-driven
acidification
of
freshwater
ecosystems
is
an
increasing
problem
that
could
impact
aquatic
life
in
the
future.
Despite
their
physiological
tolerance
to
naturally
fluctuating
pH,
fishes
exhibit
behavioural
and
neurological
changes
response
acidification.
To
determine
molecular
responses
associated
with
these
anticipated
impairments
for
near-future,
we
examined
transcriptomic
zebrafish
(Danio
rerio)
acidification,
focusing
on
brain
gills,
which
mediate
behaviour
acid-base
regulation.
Adult
were
exposed
control
(∼
500
μatm)
elevated
CO2
(∼1000
five
days
submitted
Open
Field
Novel
Object
Approach
tests,
revealing
a
decrease
anxiety-like
under
CO2.
Acidification
caused
differential
expression
genes
involved
cytoskeletal
organization,
cellular
transport,
immunity,
visual
system
brain,
indicative
cell
rearrangements.
Conversely,
there
was
no
gene
observed
gills.
However,
co-expression
immune
oxidoreduction,
are
negatively
correlated
pCO2,
along
reduction
indicate
lower
level
oxidative
stress.
Our
findings
can
perform
regulation
despite
acidity
predicted
end
century,
but
reveal
does
not
confer
resistance
by
rapid
climate
change.
Язык: Английский
Effects of elevated pCO2 on bioenergetics and disease susceptibility in Pacific herring Clupea pallasii
Marine Ecology Progress Series,
Год журнала:
2024,
Номер
738, С. 225 - 242
Опубликована: Май 2, 2024
Ocean
acidification
can
affect
the
immune
responses
of
fish,
but
effects
on
pathogen
susceptibility
remain
uncertain.
Pacific
herring
Clupea
pallasii
were
reared
from
hatch
under
3
CO
2
partial
pressure
(
p
)
treatments
(ambient,
∼650
µatm;
intermediate,
∼1500
high,
∼3000
µatm)
through
metamorphosis
(98
d)
to
evaluate
ocean
bioenergetics
and
an
endemic
viral
disease.
Mortality
hemorrhagic
septicemia
(VHS)
was
comparable
between
ambient
intermediate
(all
vulnerability
testing
at
).
By
contrast,
fish
high
experienced
significantly
higher
rates
VHS
mortality,
condition
factor
survivors
lower
than
in
other
treatments.
However,
prevalence
infection
among
not
influenced
by
treatment.
Pre-flexion
larval
development
affected
elevated
,
as
growth
rate,
energy
use,
feeding
activity
across
Similarly,
long-term
(14
wk)
chronic
exposure
.
Herring
both
showed
average
reduction
swimming
speed;
however,
wide
intra-treatment
variability
rendered
effect
nonsignificant.
This
study
demonstrates
that
post-metamorphic
are
near-future
predicted
for
coastal
systems
North
Pacific.
increased
3000
µatm
indicates
potential
health
fitness
consequences
extreme
acidification.
Язык: Английский
Mutligenerational chronic exposure to near future ocean acidification in European sea bass (Dicentrarchus labrax): Insights into the regulation of the transcriptome in a sensory organ involved in feed intake, the tongue
Marine Environmental Research,
Год журнала:
2024,
Номер
202, С. 106775 - 106775
Опубликована: Окт. 2, 2024
Язык: Английский
Ocean acidification causes some fishy side effects
Journal of Experimental Biology,
Год журнала:
2023,
Номер
226(13)
Опубликована: Июнь 30, 2023
The
ocean
picks
up
our
slack
when
it
comes
to
climate
change
by
absorbing
a
substantial
amount
of
the
carbon
dioxide
we
produce.
While
this
helps
mitigate
global
warming,
also
increases
acidity
seawater
in
process
called
acidification.
Unsurprisingly,
there
is
concern
over
impact
acidification
on
marine
life,
but
understanding
extent
its
effects
an
active
and
somewhat
contentious
area
research.
One
main
controversies
centers
whether
affects
fish
behavior.
Trevor
Hamilton
from
MacEwan
University
Alberta
University,
Canada,
Martin
Tresguerres
California,
San
Diego,
USA,
worked
with
international
group
colleagues
examine
current
predicted
changes
behavior
bicolor
damselfish
(Stegastes
partitus)
Panama.The
team
started
holding
seawater,
either
at
acid
levels
or
those
change,
for
5
days.
Then,
they
videoed
fish's
response
placing
them
four
testing
arenas
that
assessed
their
movement,
boldness,
aggression
anxiety.
most
behaviors
were
not
affected
acidification,
anxiety
was
higher
acidic
than
current-day
seawater.After
establishing
damselfish's
impacted
wanted
figure
out
how
happened.
They
hypothesized
affect
dopamine
brain.
Changes
neurotransmitter
can
influence
animal
boldness
more,
which
would
explain
why
behaved
differently
more
seawater.
To
test
this,
exposed
drug
mimics
ran
same
behavioral
tests
them.
discovered
mimic
–
animals
moved
less
bolder
anxious
water
did
change.
This
confirmed
team's
suspicion
disrupts
signaling
behavior.But,
as
researchers
experiment,
noticed
something
odd.
tanks
constantly
supplied
fresh
tank
grew
throughout
study,
likely
because
own
production.
As
spend
much
time
small
coral
reef
crevices
where
mixing
minimal,
wondered
natural
habitat
compared
global-scale
future
predictions
had
informed
study
design.
collected
samples
live
outside
open
reef.
Surprisingly,
acidic,
like
scenario
used
while
surrounding
similar
normal
conditions.
Importantly,
these
readings
caused
change;
are
just
phenomenon
reefs.These
findings
demonstrate
no
universal
‘normal’
‘climate
scenario’
be
applied
entire
ecosystem.
Instead,
smaller
microhabitats
within
ecosystem
may
differ
environmental
With
new
information
hand,
speculated
increased
observed
help
seek
shelter
avoid
being
eaten
bigger
fish.
has
wonder
tiny
have
figured
way
use
advantage
what
other
treasures
unlock
if
follow
experimental
observations
always
consider
ecology
study.
Язык: Английский
Transcriptomic responses in the nervous system and correlated behavioural changes of a cephalopod exposed to ocean acidification
Authorea (Authorea),
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 28, 2023
The
nervous
system
is
central
to
coordinating
behavioural
responses
environmental
change,
likely
including
ocean
acidification
(OA).
However,
a
clear
understanding
of
neurobiological
OA
lacking,
especially
for
marine
invertebrates.
We
evaluated
the
transcriptomic
response
(CNS)
and
eyes
two-toned
pygmy
squid
(
Idiosepius
pygmaeus
)
conditions,
using
de
novo
transcriptome
assembly
created
with
long
read
PacBio
ISO-sequencing
data.
then
correlated
patterns
gene
expression
CO
treatment
levels
OA-affected
behaviours
in
same
individuals.
induced
within
related
various
different
types
neurotransmission,
neuroplasticity,
immune
function
oxidative
stress.
These
molecular
changes
may
contribute
OA-induced
changes,
as
suggested
by
correlations
between
profiles,
behaviours.
This
study
provides
first
insights
into
effects
on
cephalopod
correlates
whole
animal
responses,
helping
bridge
gap
our
knowledge
change
responses.
Язык: Английский
Transcriptomic responses in the nervous system and correlated behavioural changes of a cephalopod exposed to ocean acidification
Authorea (Authorea),
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 31, 2023
The
nervous
system
is
central
to
coordinating
behavioural
responses
environmental
change,
likely
including
ocean
acidification
(OA).
However,
a
clear
understanding
of
neurobiological
OA
lacking,
especially
for
marine
invertebrates.
We
evaluated
the
transcriptomic
response
(CNS)
and
eyes
two-toned
pygmy
squid
(
Idiosepius
pygmaeus
)
conditions,
using
de
novo
transcriptome
assembly
created
with
long
read
PacBio
ISO-sequencing
data.
then
correlated
patterns
gene
expression
CO
treatment
levels
OA-affected
behaviours
in
same
individuals.
induced
within
related
various
different
types
neurotransmission,
neuroplasticity,
immune
function
oxidative
stress.
These
molecular
changes
may
contribute
OA-induced
changes,
as
suggested
by
correlations
between
profiles,
behaviours.
This
study
provides
first
insights
into
effects
on
cephalopod
correlates
whole
animal
responses,
helping
bridge
gap
our
knowledge
change
responses.
Язык: Английский