Insect Molecular Biology,
Journal Year:
2019,
Volume and Issue:
29(2), P. 183 - 192
Published: Oct. 1, 2019
Abstract
Vitellogenesis
in
holometabolous
insects
involves
the
production
and
secretion
of
vitellogenin
(Vg)
other
yolk
protein
precursors
developing
oocyte
by
fat
body,
all
which
is
predominantly
orchestrated
juvenile
hormone
(JH).
Krüppel
homologue
1
(
Kr‐h1
)
a
zinc
finger
transcription
factor
that
has
been
demonstrated
to
be
JH‐early
inducible
gene
contribute
reproduction.
However,
exact
molecular
function
insect
reproduction
poorly
understood.
In
current
study,
we
used
notorious
pest
Chilo
suppressalis
as
model
system
investigate
role
female
Cloning
sequencing
C.
revealed
it
shares
high
identity
with
its
homologues
from
lepidopteran
insects.
Moreover,
RNA
interference‐mediated
knockdown
CsKr‐h1
substantially
reduced
Vg
dramatically
decreased
deposition
also
impaired
maturation
ovarian
development,
indicating
indispensable
for
normal
vitellogenesis
.
Based
on
these
results,
conclude
crucial
targeting
this
could
potentially
new
way
suppress
rice
pests.
Molecular Biology and Evolution,
Journal Year:
2022,
Volume and Issue:
39(6)
Published: June 1, 2022
Abstract
Organisms
residing
in
regions
with
alternating
seasons
often
develop
different
phenotypes,
or
forms,
each
season.
These
forms
are
adaptations
to
season
and
result
from
an
altered
developmental
response
specific
environmental
cues
such
as
temperature.
Although
multiple
studies
have
examined
form-specific
gene
expression
profiles
a
diversity
of
species,
little
is
known
about
how
environments
transitions,
cued
by
hormone
pulses,
alter
post-transcriptional
patterns.
In
this
study,
we
examine
expression,
alternative
splicing,
miRNA-mediated
silencing
Bicyclus
anynana
butterfly
hindwing
tissue,
varies
across
two
rearing
temperatures
at
four
timepoints.
timepoints
flank
temperature-sensitive
periods
that
coincide
pulses
the
insect
20E.
Our
results
suggest
coincident
20E
elicit
greater
impact
on
all
these
transcriptomic
patterns
than
per
se.
More
similar
observed
pre-20E
those
post-20E
pulses.
We
also
found
functionally
distinct
sets
differentially
expressed
genes
(DEGs)
spliced
(DSGs)
seasonal
forms.
Furthermore,
around
10%
DEGs
predicted
be
direct
targets
of,
regulated
by,
miRNAs
(DEmiRs)
between
Many
DEGs,
DEmiRs,
DSGs
potentially
regulate
eyespot
size
plasticity,
validated
differential
splicing
pattern
one
gene,
daughterless.
present
comprehensive
interactive
atlas
tissue
both
B.
throughout
development,
model
organism
plasticity.
Insects,
Journal Year:
2024,
Volume and Issue:
15(4), P. 238 - 238
Published: March 29, 2024
Utilizing
chemical
agents
in
pest
management
modern
agricultural
practices
has
been
the
predominant
approach
since
advent
of
synthetic
insecticides.
However,
insecticide
resistance
is
an
emerging
issue,
as
populations
evolve
to
survive
exposure
chemicals
that
were
once
effective
controlling
them,
underlining
need
for
advanced
and
innovative
approaches
managing
pests.
In
insects,
microRNAs
(miRNAs)
serve
key
regulators
a
wide
range
biological
functions,
characterized
by
their
dynamic
expression
patterns
ability
target
genes.
Recent
studies
are
increasingly
attributed
significance
miRNAs
contributing
evolution
numerous
insect
species.
Abundant
have
discovered
insects
using
RNA
sequencing
transcriptome
analysis
known
play
vital
roles
regulation
at
both
transcriptional
post-transcriptional
levels.
Globally,
there
growing
research
interest
characterization
application
miRNAs,
especially
potential
role
resistance.
This
review
focuses
on
how
contribute
regulating
across
various
Furthermore,
we
discuss
gain
loss
functions
techniques
delivering
into
system.
The
emphasizes
miRNA-based
strategies
studying
diminishing
resistance,
offering
more
efficient
lasting
management.
Insect Molecular Biology,
Journal Year:
2019,
Volume and Issue:
29(2), P. 183 - 192
Published: Oct. 1, 2019
Abstract
Vitellogenesis
in
holometabolous
insects
involves
the
production
and
secretion
of
vitellogenin
(Vg)
other
yolk
protein
precursors
developing
oocyte
by
fat
body,
all
which
is
predominantly
orchestrated
juvenile
hormone
(JH).
Krüppel
homologue
1
(
Kr‐h1
)
a
zinc
finger
transcription
factor
that
has
been
demonstrated
to
be
JH‐early
inducible
gene
contribute
reproduction.
However,
exact
molecular
function
insect
reproduction
poorly
understood.
In
current
study,
we
used
notorious
pest
Chilo
suppressalis
as
model
system
investigate
role
female
Cloning
sequencing
C.
revealed
it
shares
high
identity
with
its
homologues
from
lepidopteran
insects.
Moreover,
RNA
interference‐mediated
knockdown
CsKr‐h1
substantially
reduced
Vg
dramatically
decreased
deposition
also
impaired
maturation
ovarian
development,
indicating
indispensable
for
normal
vitellogenesis
.
Based
on
these
results,
conclude
crucial
targeting
this
could
potentially
new
way
suppress
rice
pests.
