The Innovation,
Journal Year:
2023,
Volume and Issue:
4(4), P. 100464 - 100464
Published: June 21, 2023
Transcriptional
plasticity
interacts
with
natural
selection
in
complex
ways
and
is
crucial
for
the
survival
of
species
under
rapid
climate
change.
How
3D
genome
architecture
affects
transcriptional
its
interaction
genetic
adaptation
are
unclear.
We
transplanted
estuarine
oysters
to
a
new
environment
found
that
genes
located
active
chromatin
regions
exhibited
greater
plasticity,
changes
these
were
negatively
correlated
selective
signals.
This
indicates
trade-off
between
signals
shaping
plastic
responses
environment.
Specifically,
mutation,
lincRNA,
accessibility
distal
enhancer
potentially
affect
ManⅡa
gene,
which
regulates
muscle
function
oysters.
Our
findings
reveal
compensates
role
environmental
response
environments
provide
insights
into
synergetic
epigenetic
interactions
critical
fitness-related
trait
model
marine
species.
Protein Science,
Journal Year:
2022,
Volume and Issue:
31(7)
Published: June 22, 2022
Abstract
How
do
proteins
evolve?
changes
in
sequence
mediate
protein
structure,
and
turn
function?
This
question
has
multiple
angles,
ranging
from
biochemistry
biophysics
to
evolutionary
biology.
review
provides
a
brief
integrated
view
of
some
key
mechanistic
aspects
evolution.
First,
we
explain
how
evolution
is
primarily
driven
by
randomly
acquired
genetic
mutations
selection
for
function,
these
can
even
give
rise
completely
new
folds.
Then,
also
comment
on
phenotypic
variability,
including
promiscuity,
transcriptional
translational
errors,
may
accelerate
this
process,
possibly
via
“plasticity‐first”
mechanisms.
Finally,
highlight
open
questions
the
field
evolution,
with
respect
emergence
more
sophisticated
systems
such
as
complexes,
pathways,
pre‐LUCA
enzymes.
Communications Biology,
Journal Year:
2021,
Volume and Issue:
4(1)
Published: Nov. 12, 2021
Abstract
Understanding
the
roles
of
genetic
divergence
and
phenotypic
plasticity
in
adaptation
is
central
to
evolutionary
biology
important
for
assessing
adaptive
potential
species
under
climate
change.
Analysis
a
chromosome-level
assembly
resequencing
individuals
across
wide
latitude
distribution
estuarine
oyster
(
Crassostrea
ariakensis
)
revealed
unexpectedly
low
genomic
diversity
population
structures
shaped
by
historical
glaciation,
geological
events
oceanographic
forces.
Strong
selection
signals
were
detected
genes
responding
temperature
salinity
stress,
especially
expanded
solute
carrier
families,
highlighting
importance
gene
expansion
environmental
adaptation.
Genes
exhibiting
high
showed
strong
upstream
regulatory
regions
that
modulate
transcription,
indicating
favoring
plasticity.
Our
findings
suggest
variation
structure
marine
bivalves
are
heavily
influenced
history
physical
forces,
may
enhance
critical
rapidly
changing
environments.
Molecular Biology and Evolution,
Journal Year:
2023,
Volume and Issue:
40(2)
Published: Jan. 19, 2023
The
evolution
of
phenotypic
plasticity
plays
an
essential
role
in
adaptive
responses
to
climate
change;
however,
its
regulatory
mechanisms
marine
organisms
which
exhibit
high
still
remain
poorly
understood.
temperature-responsive
trait
oleic
acid
content
and
major
gene
stearoyl-CoA
desaturase
(Scd)
expression
have
diverged
two
allopatric
congeneric
oyster
species,
cold-adapted
Crassostrea
gigas
warm-adapted
angulata.
In
this
study,
genetic
molecular
methods
were
used
characterize
fatty
desaturation
membrane
fluidity
regulated
by
Scd.
Sixteen
causative
single-nucleotide
polymorphisms
(SNPs)
identified
the
promoter/cis-region
Scd
between
wild
C.
Further
functional
experiments
showed
that
SNP
(g.-333C
[C.
allele]
>T
angulata
allele])
may
influence
transcription
creating/disrupting
binding
motif
positive
trans-factor
Y-box
factor
gigas/C.
angulata,
mediates
higher/lower
constitutive
Additionally,
sterol-regulatory
element-binding
proteins
(Srebp)
specifically
bind
promoter
both
downregulated
during
cold
stress
compared
upregulated
This
partly
explains
relatively
lower
environmental
sensitivity
(plasticity)
gigas.
study
serves
as
experimental
case
reveal
cis-
trans-variations
shape
pattern
plasticity,
provides
new
insights
into
formation
traits
prediction
potential
future
change.
Molecular Ecology Resources,
Journal Year:
2021,
Volume and Issue:
22(4), P. 1529 - 1544
Published: Nov. 20, 2021
The
Jinjiang
oyster
Crassostrea
ariakensis,
naturally
distributing
in
estuarine
regions
with
low
salinity,
is
an
important
economic
and
ecological
species
China.
However,
studies
on
its
genomics
population
genetics
remain
lacking.
Here,
we
assembled
the
chromosome-level
genome
of
a
female
C.
ariakensis
re-sequenced
261
individuals
from
five
locations
China
representing
three
typical
habitats.
was
662.9
Mb
contig
N50
length
5.9
using
PacBio
HiFi-CCS
long
reads,
99.83%
sequences
were
anchored
onto
10
pseudochromosomes
Hi-C
data.
A
total
26,354
protein-coding
genes
predicted.
We
identified
significantly
expanded
gene
families
which
are
closely
associated
osmotic
pressure
regulation,
including
CDO,
SLC13
SDR.
Population
structure
analysis
revealed
that
clustered
into
groups
(northern,
southern
Shanghai)
(K
=
3)
their
phylogenetic
relationship
consistently
correlated
to
geographical
distribution.
Furtherly,
differentiation
between
northern
clearly
demonstrated
by
estimated
coefficient
(FST
0.1154),
PSMC
distribution
showed
two
effective
size
separated
at
0.1
Ma.
Meanwhile
flow
Shanghai
detected.
Selective
sweep
group
detected
heat
response
salinity
adaptation.
This
study
could
provide
valuable
genomic
resources
information
for
further
research
molecular
evolution,
genetic
breeding,
biological
function
evolutionary
adaptation
ariakensis.
Frontiers in Marine Science,
Journal Year:
2022,
Volume and Issue:
9
Published: Oct. 18, 2022
The
effect
of
thermal
changes
on
the
physiology
and
behavior
fish
is
a
major
research
focus
in
face
ongoing
global
warming.
There
little
information
about
effects
temperature
increase
wild.
However,
consequences
controlled
laboratory
conditions
can
provide
insights
into
what
be
expected
Triplophysa
bleekeri
,
high-plateau
fish,
exhibits
high
sensitivity
to
temperatures,
suggesting
it
good
model
investigate
impact
fish.
In
this
study,
we
analyzed
gradual
transcriptional
metabolic
levels
T.
subjected
change
0.5°C/day
until
temperatures
10°C,
13°C,
16°C,
19°C
were
reached.
Transcriptomics
results
liver,
gut,
spleen,
trunk
kidney
showed
that
pathways
are
widely
involved
response
increased
.
Lipidomics
further
indicated
lipid
composition
was
altered
by
three
lipids
(PC
14:0e/22:1,
PC
18:0e/22:5,
TAG
14:3-21:2-21:2)
identified
as
potential
biomarkers
heat
stress
Moreover,
decline
unsaturated
fatty
acid
observed
under
temperatures.
These
suggest
modify
metabolomic
pathways.
Overall,
our
help
improve
understanding
physiological
responses
valuable
predicting
warming
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.