Aquaculture Reports,
Journal Year:
2024,
Volume and Issue:
36, P. 102190 - 102190
Published: June 1, 2024
The
insulin-like
signaling
pathway
plays
diverse
biological
roles
in
regulating
metabolism,
immune
responses,
growth,
and
development
invertebrates.
peptides
(ILP)
receptor
(ILPR)
is
the
pivotal
protein
any
pathway.
In
our
previous
study,
we
cloned
Mn-ILP
gene
from
oriental
river
prawn
Macrobrachium
nipponense
elucidated
its
function.
However,
ILPR
has
not
yet
been
described
M.
nipponense.
present
further
examined
function
of
Mn-ILPR
full
length
mRNA
was
4790
bp,
encoding
1412
amino
acids.
a
transmembrane
under
subfamily
tyrosine
kinases.
predominantly
expressed
muscle
hepatopancreas.
To
elucidate
Mn-ILPR,
investigated
expression
different
growth
stages
prawns
both
sexes,
sizes
at
same
time,
size
molt
cycle
using
qRT-PCR.
markedly
higher:
(1)
rapid
stage
than
other
male
individuals;
(2)
normal
gonad
female
(3)
large
individuals
small
(4)
intermolt
cycle.
Furthermore,
long-term
knockdown
by
RNAi
effectively
delayed
speed
Meanwhile,
short-term
revealed
that
ILP-ILPR
signal
played
part
process
These
findings
provide
greater
understanding
molecular
mechanisms
underlying
crustaceans.
Biology,
Journal Year:
2024,
Volume and Issue:
13(4), P. 218 - 218
Published: March 27, 2024
The
Pacific
whiteleg
shrimp
(Penaeus
vannamei)
is
a
highly
significant
species
in
aquaculture.
In
the
production
of
larvae,
noticeable
variations
reproductive
capacity
among
female
individuals
have
been
observed.
Some
females
experience
slow
gonadal
development,
resulting
inability
to
spawn,
while
others
undergo
multiple
maturations
and
contribute
majority
larval
supply.
Despite
numerous
studies
that
conducted
on
regulatory
mechanisms
ovarian
development
shrimp,
factors
contributing
differences
remain
unclear.
To
elucidate
underlying
mechanisms,
this
study
examined
characteristics
between
high
low
bulks
at
different
maturity
stages,
focusing
cellular
molecular
levels.
Transmission
electron
microscopy
analysis
revealed
abundance
endoplasmic
reticulum,
ribosomes,
mitochondria,
mitochondrial
cristae
oocytes
bulk
was
significantly
higher
than
early
stages
maturation
(stages
I
II).
As
ovaries
progressed
late-stage
III
IV),
internal
structures
with
capacities
gradually
diminished.
Transcriptome
identified
differentially
expressed
genes
(DEGs)
related
mitochondria
two
groups,
suggesting
energy
processes
might
play
crucial
role
observed
ovary
development.
expression
levels
ETS
homology
factor
(EHF)
PRDI-BF1
RIZ
domain
containing
9
(PRDM9),
which
were
compared
using
qRT-PCR
maturation.
results
showed
EHF
gene
II
IV
bulk,
almost
no
detected
eyestalk
tissue
bulk.
PRDM9
exclusively
tissue,
four
Fluorescence
situ
hybridization
further
patterns
fertility
levels,
both
showing
stronger
positive
signals
stages.
These
findings
not
only
our
understanding
involved
but
also
provide
valuable
insights
for
cultivation
new
varieties
aimed
improving
fecundity.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
15
Published: April 4, 2024
Receptor
tyrosine
kinases
(RTKs)
mediate
the
actions
of
growth
factors
in
metazoans.
In
decapod
crustaceans,
RTKs
are
implicated
various
physiological
processes,
such
molting
and
growth,
limb
regeneration,
reproduction
sexual
differentiation,
innate
immunity.
organized
into
two
main
types:
insulin
receptors
(InsRs)
factor
receptors,
which
include
epidermal
receptor
(EGFR),
fibroblast
(FGFR),
vascular
endothelial
(VEGFR),
platelet-derived
(PDGFR).
The
identities
crustacean
RTK
genes
incomplete.
A
phylogenetic
analysis
CrusTome
transcriptome
database,
included
all
major
taxa,
showed
that
sequences
segregated
clades
representing
InsR
(72
sequences),
EGFR
(228
FGFR
(129
PDGFR/VEGFR
(PVR;
235
sequences).
These
four
families
were
distinguished
by
domain
organization
extracellular
N-terminal
region
motif
protein
kinase
catalytic
C-terminus
or
ligand-binding
N-terminus.
EGFR1
formed
a
single
monophyletic
group,
while
other
divided
subclades,
designated
InsR1-3,
FGFR1-3,
PVR1-2.
decapods,
isoforms
within
subclades
common.
InsRs
characterized
leucine-rich
repeat,
furin-like
cysteine-rich,
fibronectin
type
3
domains
EGFRs
had
IV
domains.
regions
FGFR1
one
to
three
immunoglobulin-like
domains,
whereas
FGFR2
cadherin
tandem
repeat
domain.
PVRs
between
five
classification
nomenclature
classes,
based
on
multiple
sequence
alignments,
is
proposed.
Cold Spring Harbor Perspectives in Biology,
Journal Year:
2024,
Volume and Issue:
unknown, P. a041527 - a041527
Published: May 28, 2024
The
ability
to
regenerate
after
the
loss
of
a
part
is
hallmark
living
systems
and
occurs
at
both
tissue
organ
scales,
but
also
within
individual
cells.
Regeneration
entails
many
processes
that
are
physical
mechanical
in
nature,
including
closure
wounds,
repositioning
material
from
one
place
another,
restoration
symmetry
following
perturbations.
However,
we
currently
know
far
more
about
genetics
molecular
signaling
pathways
involved
regeneration,
there
need
investigate
role
forces
process.
Here,
will
provide
an
overview
how
may
play
wound
healing
which
compare
contrast
regenerative
cell
scales.
Aquaculture Reports,
Journal Year:
2024,
Volume and Issue:
36, P. 102190 - 102190
Published: June 1, 2024
The
insulin-like
signaling
pathway
plays
diverse
biological
roles
in
regulating
metabolism,
immune
responses,
growth,
and
development
invertebrates.
peptides
(ILP)
receptor
(ILPR)
is
the
pivotal
protein
any
pathway.
In
our
previous
study,
we
cloned
Mn-ILP
gene
from
oriental
river
prawn
Macrobrachium
nipponense
elucidated
its
function.
However,
ILPR
has
not
yet
been
described
M.
nipponense.
present
further
examined
function
of
Mn-ILPR
full
length
mRNA
was
4790
bp,
encoding
1412
amino
acids.
a
transmembrane
under
subfamily
tyrosine
kinases.
predominantly
expressed
muscle
hepatopancreas.
To
elucidate
Mn-ILPR,
investigated
expression
different
growth
stages
prawns
both
sexes,
sizes
at
same
time,
size
molt
cycle
using
qRT-PCR.
markedly
higher:
(1)
rapid
stage
than
other
male
individuals;
(2)
normal
gonad
female
(3)
large
individuals
small
(4)
intermolt
cycle.
Furthermore,
long-term
knockdown
by
RNAi
effectively
delayed
speed
Meanwhile,
short-term
revealed
that
ILP-ILPR
signal
played
part
process
These
findings
provide
greater
understanding
molecular
mechanisms
underlying
crustaceans.