Frontiers in Marine Science,
Год журнала:
2021,
Номер
8
Опубликована: Окт. 21, 2021
As
important
aquaculture
species
worldwide,
shrimps
and
crabs
are
thermophilic
animals
with
a
very
weak
thermoregulation
ability.
Changes
in
environmental
factors
the
main
reason
for
decrease
immunity
disease
resistance
ability
of
cultured
organisms.
Water
temperature
is
one
most
common
abiotic
stress
aquatic
ectotherms.
It
influences
nearly
all
biochemical
physiological
processes
crustaceans,
resulting
an
imbalance
ion
water
homeostasis,
neuromuscular
function
loss,
cellular
dehydration,
altered
metabolic
pathways.
The
present
review
summarizes
current
knowledge
on
effects
low
response,
behaviour,
development,
growth
shrimp
crab.
Research
into
breeding
crab
more
robust
physiology
that
allow
them
to
tolerate
proposed.
Frontiers in Endocrinology,
Год журнала:
2021,
Номер
12
Опубликована: Июнь 21, 2021
A
pair
of
Y-organs
(YOs)
are
the
molting
glands
decapod
crustaceans.
They
synthesize
and
secrete
steroid
hormones
(ecdysteroids)
their
activity
is
controlled
by
external
internal
signals.
The
YO
transitions
through
four
physiological
states
over
molt
cycle,
which
mediated
molt-inhibiting
hormone
(MIH;
basal
state),
mechanistic
Target
Rapamycin
Complex
1
(mTORC1;
activated
Transforming
Growth
Factor-β
(TGFβ)/Activin
(committed
ecdysteroid
(repressed
state)
signaling
pathways.
MIH,
produced
in
eyestalk
X-organ/sinus
gland
complex,
inhibits
synthesis
ecdysteroids.
model
for
MIH
organized
into
a
cAMP/Ca
Frontiers in Marine Science,
Год журнала:
2021,
Номер
8
Опубликована: Апрель 29, 2021
Crustacean
culture
has
been
developing
rapidly
in
various
parts
of
the
world.
Therefore,
it
is
important
to
understand
their
reproductive
biology.
Insulin-like
androgenic
gland
hormone
(IAG)
secreted
from
(AG)
widely
accepted
as
a
key
regulator
sexual
differentiation
male
crustaceans.
However,
recently
several
sex-related
genes
(i.e.,
CFSH
,
DEAD-box
family,
Tra-2
Sxl
Dsx
Fem-1
Sox
gene
Foxl2
and
Dmrt
family)
have
identified
via
transcriptomic
analysis
crustaceans,
indicating
that
crustaceans
more
complicated
than
previously
expected.
It
found
non-coding
RNAs
miRNAs,
lncRNAs,
piRNAs)
IAG
receptors
may
be
involved
development
decapods.
Identification
study
regulation
mechanism
genes,
RNAs,
will
provide
valuable
information
regarding
In
this
review,
roles
hormonal
genetic
factors
both
males
females
are
discussed.
males,
crustacean
female
sex
(CFSH),
GEM
l-GnRH-III,
corazonin
play
“eyestalk-IAG-testis”
endocrine
axis.
Unlike
interaction
relatively
unknown
females.
FAMeT
Slo
UCHLs
Erk2
Cdc2
EGFR
Vg
VgR
VIH
seem
crucial
during
ovarian
development.
This
summarizes
available
field,
highlights
gaps,
lays
foundations
for
further
studies
better
understanding
regulatory
Reviews in Aquaculture,
Год журнала:
2024,
Номер
16(4), С. 1819 - 1839
Опубликована: Май 23, 2024
Abstract
Crustacean
aquaculture,
especially
monosex
culture,
requires
a
comprehensive
knowledge
of
the
mechanisms
regulating
sex
determination
and
differentiation.
Decapod
crustaceans
display
either
female
heterogamety
(ZW/ZZ)
or
male
(XY/XX)
as
their
mode
genotypic
determination.
However,
some
decapod
species
exhibit
sexual
plasticity
via
removing
androgenic
gland,
knockdown
insulin
receptor
transcripts,
administrating
exogenous
steroids,
altering
environmental
factors.
Although
master
sex‐determining
gene
in
decapods
remains
elusive,
various
genes,
hormones,
neurotransmitter
are
emerging
important
factors
This
review
looks
into
recent
advancements
studies
related
to
genetic
system
that
trigger
reversal.
Moreover,
elucidation
role
differentiation
both
females
males,
well
underlying
interrelated
regulatory
mechanisms,
provides
justification
for
three
levels
application:
induction
populations,
detection
precocious
genotype,
prevention
uncontrolled
reproduction.
Finally,
we
proposed
future
directions
bioinformatics
analysis
genome
editing
coupled
with
control
increase
yield
economic
decapods.
In
conclusion,
this
foundation
research
on
reproductive
biology
regulation
decapods,
aim
aiding
practitioners
advancing
crustacean
aquaculture
industry.
Frontiers in Endocrinology,
Год журнала:
2018,
Номер
9
Опубликована: Июль 27, 2018
Multiple
biological
processes
across
development
and
reproduction
are
modulated
by
neuropeptides
that
predominantly
produced
secreted
from
an
animal's
central
nervous
system.
In
the
past
few
years,
advancement
of
next-generation
sequencing
technologies
has
enabled
large-scale
prediction
putative
neuropeptide
genes
in
multiple
non-model
species,
including
commercially
important
decapod
crustaceans.
contrast,
knowledge
G
protein-coupled
receptors
(GPCRs),
through
which
act
on
target
cells,
is
still
very
limited.
current
study,
we
have
used
silico
transcriptome
analysis
to
elucidate
encoding
GPCRs
Norway
lobster
(Nephrops
norvegicus),
one
most
valuable
crustaceans
Europe.
Fifty-seven
precursor-encoding
transcripts
were
detected,
phoenixin,
a
vertebrate
neurohormone
not
been
detected
any
invertebrate
species
prior
this
study.
Neuropeptide
gene
expression
immature
mature
female
N.
norvegicus,
revealed
some
reproduction-related
almost
exclusively
expressed
females.
addition,
total
223
GPCR-encoding
identified,
116
encode
GPCR-A
(Rhodopsin),
44
GPCR-B
(Secretin)
63
other
GPCRs.
Our
findings
increase
molecular
toolbox
neural
signaling
components
allowing
for
further
advances
fisheries/larvae
culture
species.
Genes,
Год журнала:
2021,
Номер
12(2), С. 305 - 305
Опубликована: Фев. 21, 2021
Mechanisms
underlying
sex
determination
and
differentiation
in
animals
are
known
to
encompass
a
diverse
array
of
molecular
clues.
Recent
innovations
high-throughput
sequencing
mass
spectrometry
technologies
have
been
widely
applied
non-model
organisms
without
reference
genomes.
Crustaceans
no
exception.
They
particularly
among
the
Arthropoda
contain
wide
variety
commercially
important
fishery
species
such
as
shrimps,
lobsters
crabs
(Order
Decapoda),
keystone
aquatic
ecosystems
water
fleas
Branchiopoda).
In
terms
decapod
differentiation,
previous
approaches
attempted
elucidate
their
components,
establish
mono-sex
breeding
technology.
Here,
we
overview
reports
describing
physiological
functions
hormones
regulating
masculinization
feminization,
gene
discovery
by
transcriptomics
species.
Moreover,
this
review
summarizes
recent
progresses
studies
on
juvenile
hormone-driven
system
branchiopod
genus
Daphnia,
then
compares
endocrine
systems
between
decapods
branchiopods.
This
provides
not
only
substantial
insights
for
aquaculture
research,
but
also
opportunity
re-organize
current
future
trends
field.
PLoS neglected tropical diseases,
Год журнала:
2020,
Номер
14(10), С. e0008516 - e0008516
Опубликована: Окт. 15, 2020
The
blood-sucking
hemipteran
Rhodnius
prolixus
is
a
vector
of
Chagas
disease,
one
the
most
neglected
tropical
diseases
affecting
several
million
people,
mostly
in
Latin
America.
blood
meal
an
event
with
high
epidemiological
impact
since
adult
mated
females
feed
times,
each
resulting
bout
egg
laying,
and
thereby
production
hundreds
offspring.
By
means
RNA-Sequencing
(RNA-Seq)
we
have
examined
how
influences
mRNA
expression
central
nervous
system
(CNS),
fat
body
ovaries
order
to
promote
production,
focusing
on
tissue-specific
responses
under
controlled
nutritional
conditions.
We
illustrate
cross
talk
between
reproduction
a)
lipids,
proteins
trehalose
metabolism,
b)
neuropeptide
neurohormonal
signaling,
c)
immune
system.
Overall,
our
molecular
evaluation
confirms
supports
previous
studies
provides
invaluable
resource
for
future
investigations
different
tissues
involved
successful
reproductive
events.
These
analyses
serve
as
starting
point
new
investigations,
increasing
chances
developing
novel
strategies
population
control
by
translational
research,
less
environment
more
specificity
particular
organism.
Genes,
Год журнала:
2020,
Номер
11(10), С. 1150 - 1150
Опубликована: Сен. 29, 2020
Sexual
development
involves
the
successive
and
overlapping
processes
of
sex
determination,
sexual
differentiation,
ultimately
maturation,
enabling
animals
to
reproduce.
This
provides
a
mechanism
for
enriched
genetic
variation
which
enables
populations
withstand
ever-changing
environments,
selecting
adapted
individuals
driving
speciation.
The
molecular
mechanisms
display
bewildering
diversity,
even
in
closely
related
taxa.
Many
determination
across
include
key
family
“doublesex-
male
abnormal3-related
transcription
factors”
(Dmrts).
In
few
exceptional
species,
single
Dmrt
residing
on
chromosome
acts
as
master
regulator.
this
study,
we
provide
compelling
evidence
model
ornate
spiny
lobster
Panulius
ornatus,
concurrent
with
recent
reports
eastern
Sagmariasus
verreauxi.
Using
multi-tissue
transcriptomic
database
established
P.
screened
factors
associated
(by
homology
search
using
previous
knowledge
these
from
species),
providing
an
in-depth
understanding
decapods.
Further
research
has
potential
close
significant
gaps
our
reproductive
ecologically
commercially
order.
