Frontiers in Physiology,
Год журнала:
2023,
Номер
14
Опубликована: Апрель 19, 2023
Ephestia
elutella
is
a
major
pest
responsible
for
significant
damage
to
stored
tobacco
over
many
years.
Here,
we
conduct
comparative
genomic
analysis
on
this
pest,
aiming
explore
the
genetic
bases
of
environmental
adaptation
species.
We
find
gene
families
associated
with
nutrient
metabolism,
detoxification,
antioxidant
defense
and
gustatory
receptors
are
expanded
in
E.
genome.
Detailed
phylogenetic
P450
genes
further
reveals
obvious
duplications
CYP3
clan
compared
closely
related
species,
Indianmeal
moth
Plodia
interpunctella
.
also
identify
229
rapidly
evolving
207
positively
selected
,
respectively,
highlight
two
heat
shock
protein
40
(
Hsp40
)
genes.
In
addition,
number
species-specific
diverse
biological
processes,
such
as
mitochondria
biology
development.
These
findings
advance
our
understanding
mechanisms
underlying
processes
will
enable
development
novel
management
strategies.
Animals,
Год журнала:
2024,
Номер
14(11), С. 1543 - 1543
Опубликована: Май 23, 2024
The
phototactic
behavior
of
insects
is
commonly
used
to
manage
pest
populations
in
practical
production.
However,
this
elusive
not
yet
fully
understood.
Investigating
whether
the
opsin
genes
play
a
crucial
role
phototaxis
an
intriguing
topic.
Vespinae
(Hymenoptera:
Vespidae)
are
common
group
social
wasps
that
closely
associated
with
human
activities.
Efficiently
controlling
wasp
while
maintaining
ecological
balance
pressing
global
challenge
still
has
be
resolved.
This
research
aims
explore
and
key
Vespinae.
We
found
significant
differences
photophilic
rates
Vespula
germanica
Vespa
analis
under
14
different
light
conditions,
indicating
their
rhythmic.
results
also
showed
two
species
exhibited
varying
wavelengths
light,
suggesting
wavelength
significantly
affects
behavior.
Additionally,
most
aggressive
hornet,
basalis,
have
been
sequenced.
There
only
genes,
one
for
UV
other
blue
basalis
lacks
long-wavelength
visual
proteins.
they
exhibit
peak
instead
lowest
light.
suggests
protein
complex
regulatory
mechanism
sequences
high
degree
homology
among
Hymenoptera.
Despite
hypotheses
put
forward
by
some
scholars
regarding
phototaxis,
clear
complete
explanation
insect
lacking
date.
Our
findings
provide
strong
theoretical
basis
further
investigation
expression
patterns
mechanisms
Evolutionary Applications,
Год журнала:
2024,
Номер
17(7)
Опубликована: Июль 1, 2024
Abstract
Biological
control
of
weeds
involves
deliberate
introduction
host‐specific
natural
enemies
into
invaded
range
to
reduce
the
negative
impacts
invasive
species.
Assessing
specificity
is
a
crucial
step,
as
generalist
new
territory
may
pose
risks
recipient
communities.
A
mechanistic
understanding
host
use
can
provide
valuable
insights
for
selection
specialist
enemies,
bolster
confidence
in
non‐target
risk
assessment
and
potentially
accelerate
testing
process
biological
control.
We
conducted
comprehensive
analysis
studies
on
genomics
specialization
with
view
examine
if
genomic
signatures
help
predict
insects.
Focusing
phytophagous
Lepidoptera,
Coleoptera
Diptera,
we
compared
chemosensory
receptors
enzymes
between
“specialist”
(insects
narrow
range)
“generalist”
wide
The
availability
data
agents
(natural
weeds)
limited
thus
our
analyses
utilized
from
pest
insects
model
organisms
which
are
available.
Our
findings
revealed
that
specialists
generally
exhibit
lower
number
their
counterparts.
This
pattern
was
more
prominent
Diptera
relative
Lepidoptera.
information
be
used
reject
large
gene
repertoires
process.
Similarly,
confirming
smaller
could
further
strengthen
evaluation.
Despite
distinctive
generalists,
challenges
such
finite
agents,
ad
hoc
comparisons,
fewer
comparative
among
congeners
limit
ability
specificity.
few
have
empirically
phylogenetically
closely
related
species,
enhancing
resolution
predictive
power
suggesting
need
targeted
comparing
congeneric
generalists.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 3, 2024
Abstract
BACKGROUND
The
oriental
fruit
fly
Bactrocera
dorsalis
is
an
invasive
pest
causing
considerable
ecological
and
economic
damage
worldwide.
Y
chromosome
important
target
for
the
sterile
insect
technique
(SIT)
but
its
sequence
structure
has
been
poorly
explored.
RESULTS
We
assembled
genome
of
B.
at
level
with
a
total
size
562.6
Mb.
assembly
includes
∼7.6
Mb
sequence,
being
first
reported
in
Tephritidae.
highly
repetitive,
contains
61
genes,
including
9
multi-copy
genes.
surprisingly
found
that
M
factor
(
MoY
)
Tephritidae
multiple
copies,
verified
by
our
droplet
digital
PCR
(ddPCR)
analysis.
Besides,
we
identified
32
copies
gyf-like
on
gyfY
were
expressed
testis.
RNAi
targeting
resulted
depletion
live
sperms,
suggesting
amplification
essential
male
fertility,
which
facilitated
understanding
high
fecundity
this
insect.
CONCLUSION
firstly
.
Our
results
will
also
provide
genes
CRISPR/Cas9
based
SIT,
leading
to
development
novel
control
strategies
against
tephritid
flies.
Insects,
Год журнала:
2024,
Номер
15(8), С. 621 - 621
Опубликована: Авг. 18, 2024
Bactrocera
dorsalis
(Hendel)
(Diptera:
Tephritidae)
is
a
global
economic
pest
that
poses
serious
threat
to
the
fruit
industry.
In
southwest
of
China,
Yunnan
Province
sustains
severe
infestation
B.
dorsalis.
An
automated
monitoring
system
designed
for
was
employed
in
this
study
elucidate
annual
population
dynamics
four
counties:
Yuanjiang,
Huaping,
Guangnan,
and
Ludian
Yunnan.
The
utilizes
sex
parapheromone
image
recognition
technology.
data
uploaded
by
device
are
used
analyze
different
regions.
results
showed
populations
adult
all
counties
peaked
twice
annually,
with
Yuanjiang
experiencing
earliest
peak
periods,
followed
Ludian.
Adult
occurred
throughout
year,
had
highest
number
monitored.
March–December
highly
active,
high
density
2019.
did
not
occur
December
Guangnan
but
only
May–October
abundance
correlated
temperature
areas.
outcomes
experiment
provide
practical
foundation
developing
control
strategies
targeting
various
orchards
across
each
county.
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 11, 2024
Plants
perceive
and
orchestrate
defense
responses
when
herbivorous
insects
are
ovipositing.
Fruits,
as
a
crucial
reproductive
organ
in
plants,
have
rarely
been
researched
on
the
to
insect
eggs.
Here,
we
found
that
oviposition
by
specialist
BACKGROUND:
The
oriental
fruit
fly
_Bactrocera
dorsalis_
is
an
invasive
pest
causing
considerable
ecological
and
economic
damage
worldwide.
Y
chromosome
important
target
for
the
sterile
insect
technique
(SIT)
but
its
sequence
structure
has
been
poorly
explored.
RESULTS:
We
assembled
genome
of
_B.
at
level
with
a
total
size
562.6
Mb.
assembly
includes
∼7.6
Mb
sequence,
being
first
reported
in
Tephritidae.
highly
repetitive,
contains
61
genes,
including
9
multi-copy
genes.
surprisingly
found
that
M
factor
(_MoY_)
Tephritidae
multiple
copies,
verified
by
our
droplet
digital
PCR
(ddPCR)
analysis.
Besides,
we
identified
32
copies
_gyf-like
on
chromosome_
(_gyfY_)
were
expressed
testis.
RNAi
targeting
_gyfY_
resulted
depletion
live
sperms,
suggesting
amplification
essential
male
fertility,
which
facilitated
understanding
high
fecundity
this
insect.
CONCLUSION:
firstly
dorsalis_.
Our
results
will
also
provide
genes
CRISPR/Cas9
based
SIT,
leading
to
development
novel
control
strategies
against
tephritid
flies.
Insect Molecular Biology,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 31, 2024
Abstract
Deciding
where
to
lay
an
egg
is
critical
for
the
survival
of
insects'
offspring.
Compared
with
our
understanding
chemosensory
assessment
egg‐laying
sites,
mechanisms
texture
detection
are
largely
unknown.
Here,
we
show
that
Bactrocera
dorsalis
,
a
notoriously
agricultural
pest
laying
its
eggs
within
ripening
fruits,
can
discriminate
substrate
during
process.
Exposure
drugs
targeting
transient
receptor
potential
vanilloid
(TRPV)
mechanosensory
channels
abolished
their
oviposition
preference
hard
textures.
BdorNan
and
BdorIav
two
members
TRPV
subfamily,
transcripts
were
detected
in
labellum,
foreleg
tarsi
ovipositor.
Then,
successfully
obtained
knockout
strains
each
gene
using
CRISPR/Cas9
technique.
The
results
showed
required
discrimination
stiffness
difference.
had
no
significant
effect
on
ability
B.
choose
harder
substrates.
Our
study
thus
reveals
plays
substantial
role
behaviour
.
Frontiers in Physiology,
Год журнала:
2023,
Номер
14
Опубликована: Апрель 19, 2023
Ephestia
elutella
is
a
major
pest
responsible
for
significant
damage
to
stored
tobacco
over
many
years.
Here,
we
conduct
comparative
genomic
analysis
on
this
pest,
aiming
explore
the
genetic
bases
of
environmental
adaptation
species.
We
find
gene
families
associated
with
nutrient
metabolism,
detoxification,
antioxidant
defense
and
gustatory
receptors
are
expanded
in
E.
genome.
Detailed
phylogenetic
P450
genes
further
reveals
obvious
duplications
CYP3
clan
compared
closely
related
species,
Indianmeal
moth
Plodia
interpunctella
.
also
identify
229
rapidly
evolving
207
positively
selected
,
respectively,
highlight
two
heat
shock
protein
40
(
Hsp40
)
genes.
In
addition,
number
species-specific
diverse
biological
processes,
such
as
mitochondria
biology
development.
These
findings
advance
our
understanding
mechanisms
underlying
processes
will
enable
development
novel
management
strategies.
