bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: March 21, 2023
Molluscs
are
one
of
the
most
morphologically
diverse
clades
metazoans,
exhibiting
an
immense
diversification
calcium
carbonate
structures,
such
as
shell.
Biomineralization
calcified
shell
is
dependent
on
matrix
proteins
(SMPs).
While
SMP
diversity
hypothesized
to
drive
molluscan
diversity,
we
just
starting
unravel
evolutionary
history
and
biology.
Here
leveraged
two
complementary
model
mollusc
systems,
Crepidula
fornicata
atrasolea
,
determine
lineage-specificity
185
SMPs.
We
found
that
95%
adult
C.
proteome
belongs
conserved
metazoan
orthogroups,
with
molluscan-restricted
orthogroups
containing
half
all
SMPs
in
proteome.
The
low
number
-restricted
contradicts
generally-held
notion
animal’s
biomineralization
toolkit
dominated
by
mostly
novel
genes.
Next,
selected
a
subset
lineage-restricted
for
spatial-temporal
analysis
using
situ
hybridization
chain
reaction
(HCR)
during
larval
stages
.
12
out
18
analyzed
expressed
field.
Notably,
these
genes
present
5
expression
patterns,
which
define
at
least
three
distinct
cell
populations
within
These
results
represent
comprehensive
gastropod
age
field
patterns
date.
Collectively,
data
lay
foundation
future
work
interrogate
molecular
mechanisms
fate
decisions
underlying
mantle
specification
diversification.
BMC Genomics,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: July 24, 2024
Abstract
Background
In
bivalves,
the
rate
at
which
organisms
grow
is
a
major
functional
trait
underlying
many
aspects
of
their
commercial
production.
Growth
highly
polygenic
trait,
typically
regulated
by
genes
with
small
to
moderate
effects.
Due
its
complexity,
growth
variability
in
such
shellfish
remains
poorly
understood.
this
study,
we
aimed
investigate
differential
gene
expression
among
spat
pearl
oyster
Pinctada
margaritifera
distinct
phenotypes.
Results
We
selected
two
groups
P.
belonging
same
F2
cohort
based
on
performance
5.5
months
old.
Transcriptome
profile
analysis
identified
total
394
differentially
expressed
between
these
Fast-growing
(F)
and
Slow-growing
(S)
According
enrichment
analysis,
S
oysters
overexpressed
associated
stress-pathways
regulation
innate
immune
responses.
contrast,
F
up-regulated
cytoskeleton
activity,
cell
proliferation,
apoptosis.
Analysis
genome
polymorphism
16
single
nucleotide
polymorphisms
(SNPs)
significantly
SNP
effect
categorization
revealed
one
for
high
annotated
stop
codon
gained
mutation.
Interestingly,
located
within
scavenger
receptor
class
member
1
(SRF1),
known
modulate
Our
analyses
also
that
all
showed
up-regulation
were
homozygous
stop-codon
Conversely,
had
heterozygous
genotype
reduced
gene.
Conclusions
Altogether,
our
findings
suggest
differences
may
be
explained
contrasted
metabolic
allocation
regulatory
pathways
system.
This
study
provides
valuable
contribution
towards
understanding
molecular
components
bivalves
general.
BMC Genomics,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Nov. 15, 2024
Bivalves
represent
a
vital
economic
resource
in
aquaculture
for
their
high
productivity
and
extensive
market
demand.
Growth
is
one
of
the
most
important
desired
traits
bivalves,
regulated
by
multiple
levels,
notably
intricate
metabolic
processes.
However,
understanding
profiles
that
influence
bivalve
growth
limited,
particularly
from
multi-tissue
perspective.
In
this
study,
tissues
Chlamys
farreri
with
different
performance
were
systematically
investigated
ultraperformance
liquid
chromatography
quadrupole
time-of-flight
mass
spectrometry
(UPLC-Q-TOF-MS).
Through
comparing
variation
between
fast-growing
(FG)
scallops
slow-growing
(SG)
scallops,
613,
509,
105,
192
significantly
metabolites
(SDMs)
identified
mantle,
gill,
adductor
muscle,
digestive
gland,
respectively.
Growth-related
pathways
including
sphingolipid
metabolism,
fatty
acid
biosynthesis,
ABC
transporter
pathway,
along
11
SDMs
associated
all
four
tissues,
implying
they
involved
scallops.
Tissue-specific
profiling
indicated
sulfur-containing
amino
metabolism
mantle
potentially
contributed
to
shell
growth,
while
gill
synergistically
participated
through
various
processes,
such
as
tyrosine
glycine,
serine,
threonine
melanogenesis;
energy
was
crucial
muscle
growth;
nutrients
digestion
absorption
gland
linked
scallop
growth.
Our
results
first
comprehensive
analysis
C.
farreri,
offering
valuable
insights
future
production.
iScience,
Journal Year:
2022,
Volume and Issue:
25(8), P. 104677 - 104677
Published: June 27, 2022
Predicting
the
potential
for
species
adaption
to
climate
change
is
challenged
by
need
identify
physiological
mechanisms
that
underpin
vulnerability.
Here,
we
investigated
sensitivity
ocean
acidification
in
marine
mussels
during
early
development,
and
specifically
trochophore
stage.
Using
RNA
DNA
sequencing
situ
hybridization,
identified
developmental
processes
associated
with
abnormal
development
rapid
adaptation
low
pH.
Trochophores
exposed
pH
seawater
exhibited
43
differentially
expressed
genes.
Gene
annotation
hybridization
of
genes
point
(1)
shell
field
(2)
cellular
stress
response.
Five
within
these
two
shifts
allele
frequencies
indicative
a
adaptation.
This
case
study
contributes
direct
evidence
protecting
species'
existing
genetic
diversity
critical
management
action
facilitate
resilience
change.
Aquaculture Reports,
Journal Year:
2023,
Volume and Issue:
33, P. 101792 - 101792
Published: Oct. 23, 2023
The
swimming
crab
(Portunus
trituberculatus)
is
an
economically
important
aquaculture
species
in
China.
Mining
candidate
single
nucleotide
polymorphisms
(SNPs)
and
genes
associated
with
growth
traits
of
P.
trituberculatus
great
importance
for
the
genetic
breeding
this
species.
Among
traits,
"protein
still
life,
isoforms
C/SIF
type
2
(SIF)"
thought
to
be
gene
affecting
animal
development.
In
current
study,
we
investigated
SIF
from
better
understand
its
biological
function.
full-length
cDNA
was
6185
bp,
a
5208
bp
open
reading
frame
encoding
1735
amino
acids.
Homology
analysis
showed
that
shared
90.07%
identity
Procambarus
clarkii
40.25–86.95%
other
Expression
pattern
fast-
slow-growing
groups
revealed
significantly
higher
expression
level
former
than
latter
(P
<
0.05).
qPCR
studies
ubiquitous
seven
tissues
tested,
but
most
abundantly
heart
compared
muscle,
testis,
ovary,
seminal
vesicle,
gill,
hepatopancreas
A
total
38
SNPs
UTRs
exons
were
screened
genotyped
184
individuals
crabs
by
targeted
resequencing.
Association
four
(full
carapace
width,
length,
body
height,
weight;
P
Two
out
shaped
as
haploblock
containing
three
haplotypes
(GC,
TA,
TC),
TA
haplotype
GC
haplotype.
Overall,
results
provided
potential
SNP
markers
improvement
breeding.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: March 21, 2023
Molluscs
are
one
of
the
most
morphologically
diverse
clades
metazoans,
exhibiting
an
immense
diversification
calcium
carbonate
structures,
such
as
shell.
Biomineralization
calcified
shell
is
dependent
on
matrix
proteins
(SMPs).
While
SMP
diversity
hypothesized
to
drive
molluscan
diversity,
we
just
starting
unravel
evolutionary
history
and
biology.
Here
leveraged
two
complementary
model
mollusc
systems,
Crepidula
fornicata
atrasolea
,
determine
lineage-specificity
185
SMPs.
We
found
that
95%
adult
C.
proteome
belongs
conserved
metazoan
orthogroups,
with
molluscan-restricted
orthogroups
containing
half
all
SMPs
in
proteome.
The
low
number
-restricted
contradicts
generally-held
notion
animal’s
biomineralization
toolkit
dominated
by
mostly
novel
genes.
Next,
selected
a
subset
lineage-restricted
for
spatial-temporal
analysis
using
situ
hybridization
chain
reaction
(HCR)
during
larval
stages
.
12
out
18
analyzed
expressed
field.
Notably,
these
genes
present
5
expression
patterns,
which
define
at
least
three
distinct
cell
populations
within
These
results
represent
comprehensive
gastropod
age
field
patterns
date.
Collectively,
data
lay
foundation
future
work
interrogate
molecular
mechanisms
fate
decisions
underlying
mantle
specification
diversification.