Genetics and ontogeny are key factors influencing thermal resilience in a culturally and economically important bivalve
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Авг. 19, 2024
Increasing
seawater
temperatures
coupled
with
more
intense
and
frequent
heatwaves
pose
an
increasing
threat
to
marine
species.
In
this
study,
the
New
Zealand
green-lipped
mussel,
Perna
canaliculus,
was
used
investigate
effect
of
genetics
ontogeny
on
thermal
resilience.
The
culturally
economically
significant
mussel
P.
canaliculus
(Gmelin,
1971)
has
been
selectively-bred
in
for
two
decades,
making
it
a
unique
biological
resource
genetic
interactions
temperate
bivalve
Six
full
sibling
families
four
different
ages,
from
early
juveniles
(6,
8,
10
weeks
post-fertilisation)
sub-adults
(52
post-fertilisation),
were
experimentation.
At
each
age,
family
exposed
three-hour
heat
challenge,
followed
by
recovery,
survival
assessments.
shell
lengths
live
dead
juvenile
mussels
also
measured.
Gill
tissue
samples
collected
after
challenge
quantify
70
kDa
shock
protein
gene
(hsp70).
Results
showed
that
genetics,
size
influence
resilience
LT
Язык: Английский
Future actions for the ocean acidification research community to support marine industries and coastal communities of Aotearoa New Zealand
New Zealand Journal of Marine and Freshwater Research,
Год журнала:
2025,
Номер
unknown, С. 1 - 20
Опубликована: Фев. 6, 2025
Increasing
atmospheric
CO2
emissions
are
altering
the
carbonate
chemistry
of
seawater
in
a
process
known
as
ocean
acidification
(OA).
This
is
growing
issue
for
marine
industries
and
communities.
During
2023
New
Zealand
Ocean
Acidification
Community
(NZOAC)
Conference,
community
undertook
horizon
scanning
exercise
to
determine
potential
future
activities
opportunities.
Conference
participants
were
sent
questions
that
focussed
on
topics
importance
Aotearoa
global
OA
community.
Sixteen
actions
identified.
conference,
voted
they
perceived
be
most
important
give
each
an
overall
priority
score.
In
order,
five
top
(i)
re-engage
with
policymakers
ensure
included
policies
around
climate
change,
oceans,
fisheries,
education;
(ii)
focus
solutions
during
engagement
actions;
(iii)
maintain
funding
current
observation
platforms;
(iv)
engage
more
public
through
community/public
participatory
science;
(v)
obtain
new
focused
research.
We
summarise
identified
address
these
discuss
ways
forward
NZOAC
wider
research
undertake
required
provide
much
needed
guidance
underpin
mitigation
adaptation
efforts.
Язык: Английский
Mussels, Perna canaliculus , as biosensors for climate change: concurrent monitoring of heart rate, oxygen consumption and gaping behaviour under heat stress
New Zealand Journal of Marine and Freshwater Research,
Год журнала:
2025,
Номер
unknown, С. 1 - 19
Опубликована: Фев. 10, 2025
Язык: Английский
Characterization of the transcriptional effects of the plastic additive dibutyl phthalate alone and in combination with microplastic on the green‐lipped mussel Perna canaliculus
Environmental Toxicology and Chemistry,
Год журнала:
2024,
Номер
43(7), С. 1604 - 1614
Опубликована: Май 21, 2024
Abstract
The
presence
and
persistence
of
microplastics
(MPs)
in
diverse
aquatic
environments
are
global
concern.
Microplastics
can
impact
marine
organisms
via
direct
physical
interaction
the
release
potentially
harmful
chemical
additives
incorporated
into
plastic.
These
chemicals
physically
bound
to
plastic
matrix
leach
out.
hazards
associated
with
exposed
is
not
well
characterized.
We
investigated
leaching
from
used
common
plasticizer
dibutyl
phthalate
(DBP)
as
a
additive
proxy
New
Zealand
green-lipped
mussel
(Perna
canaliculus)
model.
early-adult
P.
canaliculus
combinations
virgin
DBP-spiked
polyvinyl
chloride
(PVC),
MPs,
DBP
alone
for
7
days.
Whole
transcriptome
sequencing
(RNA-seq)
was
conducted
assess
whether
MPs
poses
hazard.
differences
between
groups
were
evaluated
using
pairwise
permutational
multivariate
analysis
variance
(PERMANOVA),
all
treatments
significantly
different
controls.
In
addition,
significant
difference
seen
PVC
MP
treatment.
Transcriptome
revealed
that
mussels
had
most
differentially
expressed
genes
(914),
followed
by
+
(448),
(250).
Gene
ontology
functional
enriched
pathway
types
cellular
metabolism,
immune
response,
endocrine
disruption.
Microplastic
numerous
pathways
related
metabolism
response.
combined
exposure
appears
cause
effects,
suggesting
bioavailable
Our
results
support
hypothesis
an
important
driver
toxicity.
Environ
Toxicol
Chem
2024;43:1604–1614.
©
2024
Authors.
Environmental
Toxicology
Chemistry
published
Wiley
Periodicals
LLC
on
behalf
SETAC.
Язык: Английский
The involvement of CaMKKI in activating AMPKα in Yesso scallop Patinopecten yessoensis under high temperature stress
Developmental & Comparative Immunology,
Год журнала:
2024,
Номер
159, С. 105227 - 105227
Опубликована: Июль 8, 2024
Язык: Английский
The impacts of marine heatwaves on ecosystems and fisheries in Aotearoa New Zealand
New Zealand Journal of Marine and Freshwater Research,
Год журнала:
2024,
Номер
unknown, С. 1 - 31
Опубликована: Дек. 15, 2024
Marine
heatwaves
(MHWs)
are
increasing
in
frequency
and
intensity
globally,
yet
the
impacts
of
such
extreme
events
not
well
understood.
We
review
effects
MHWs
on
fisheries
ecosystems
Aotearoa-New
Zealand
(NZ),
an
island
nation
with
over
15,000
km
coastline,
4
million
km2
exclusive
economic
zone,
that
supports
diverse
marine
communities
valuable
commercial
recreational
fisheries.
Using
Aotearoa-NZ
global
literature,
we
discuss
potential
physical
environment
species,
populations
ecosystems.
recorded
national
a
focus,
systematically
assess
MHW
32
commercially
or
culturally
important
wild-caught
fishery
aquaculture
classifying
their
vulnerabilities.
found
records
MHW-induced
ecosystem
shifts,
macroalgae
community
change,
out-of-range
occurrences
warm-water
species.
Of
species
examined,
were
documented
for
three
(green-lipped
mussel,
snapper,
Chinook
salmon).
highlight
paucity
information
life-stage
specific
impacts,
indirect
as
changes
predator-prey
interactions
biogenic
habitat
distributions.
Assessing
through
lens
highlights
need
enhanced
interdisciplinary
research
monitoring,
to
develop
sustainable
management
strategies
under
environmental
change.
Язык: Английский