Functional Characterization of the Niemann–Pick C2 Protein BdioNPC2b in the Parasitic Wasp Baryscapus dioryctriae (Chalcidodea: Eulophidae)
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(14), С. 7735 - 7748
Опубликована: Март 28, 2024
Reverse
chemical
ecology
has
been
widely
applied
for
the
functional
characterization
of
olfactory
proteins
in
various
arthropods,
but
few
related
studies
have
focused
on
parasitic
wasps.
Here,
odorant
carrier
Niemann–Pick
C2
protein
Baryscapus
dioryctriae
(BdioNPC2b)
was
studied
vitro
and
vivo.
Ligand
binding
analysis
revealed
that
BdioNPC2b
most
strongly
bound
to
2-butyl-2-octenal
which
compound
could
elicit
an
EAG
response
attracted
B.
adults.
Moreover,
this
attractant
significantly
improved
reproductive
efficiency
compared
control.
Then,
relationship
between
validated
by
RNAi,
site-directed
mutagenesis
involvement
three
key
residues
through
hydrogen
bonding.
Our
findings
provide
not
only
a
deeper
understanding
function
NPC2
wasps
also
useful
information
improving
performance
parasitoid
as
biological
control
agent.
Язык: Английский
A Comparative Morphological Study of the Ultrastructure of Antennal Sensilla in Sclerodermus guani (Hymenoptera: Bethylidae)
Insects,
Год журнала:
2025,
Номер
16(5), С. 547 - 547
Опубликована: Май 21, 2025
The
morphology,
number,
and
distribution
of
antennal
sensilla
differ
between
males
females,
reflecting
adaptations
to
sex-specific
ecological
roles
life
histories.
In
this
study,
scanning
electron
microscopy
was
employed
examine
the
structure
types
adult
females
Sclerodermus
guani
Xiao
et
Wu
1983
(Hymenoptera:
Bethylidae),
with
a
focus
on
identifying
morphological
differences
sexes.
results
revealed
that
antennae
both
sexes
are
geniculate;
however,
female
shorter
broader
than
those
males.
Each
antenna
comprises
13
segments,
including
scape
(1
segment),
pedicel
flagellum
(11
segments).
Eight
distinct
were
identified
notable
in
subtypes.
Trichoid
subtype
III
found
exclusively
males,
whereas
long
basiconic
II
unique
females.
More
70%
olfactory
nature,
highlighting
their
predominant
role
chemical
detection.
observed
sexual
dimorphism
morphology
suggests
functional
specialization,
potentially
linked
host
localization
mate
location
Язык: Английский
Nontarget effects of insecticides on biological control agents: insights from red pine forests and global challenges in forest pest management
Jing Li,
Kaipeng Zhang,
Tongtong Zuo
и другие.
Journal of Integrated Pest Management,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 1, 2025
Abstract
The
widespread
use
of
insecticides
in
forest
ecosystems
has
raised
significant
concerns
about
their
nontarget
effects
on
biological
control
agents
(BCAs),
such
as
predators
and
parasitoid
wasps,
which
play
a
pivotal
role
natural
pest
suppression.
This
review
evaluates
the
lethal
sublethal
impacts
various
insecticide
classes
BCAs.
Systemic
insecticides,
while
effective
controlling
pests,
have
been
shown
to
impair
reproduction,
foraging
behavior,
host-seeking
abilities
BCAs,
leading
disruptions
regulation
biodiversity
loss.
In
Pinus
koraiensis
(Siebold
&
Zucc)
forests,
wasps
Baryscapus
dioryctriae
(Yang
Song)
are
critical
for
managing
pests
Dioryctria
pryeri.
However,
exposure
threatens
efficacy,
exacerbating
outbreaks
ecosystem
instability.
deployment
B.
BCA
provides
sustainable
alternative
chemical
control,
with
demonstrated
success
reducing
populations
minimizing
environmental
impacts.
Integrated
management
(IPM)
frameworks
that
combine
targeted
offer
promising
solutions
mitigate
effects.
Future
research
should
focus
optimizing
mass-rearing
release
strategies
exploring
semiochemical-based
disruption
assessing
long-term
ecological
consequences
low-dose
exposure.
By
advancing
IPM
approaches,
managers
can
achieve
preserving
integrity
ecosystems.
Язык: Английский
Transcriptome Analysis and Identification of Chemosensory Genes in Baryscapus dioryctriae (Hymenoptera: Eulophidae)
Insects,
Год журнала:
2022,
Номер
13(12), С. 1098 - 1098
Опубликована: Ноя. 29, 2022
Baryscapus
dioryctriae
is
a
pupal
endoparasitoid
of
many
Pyralidae
pests
and
has
been
used
as
biocontrol
agent
against
insect
that
heavily
damage
the
cone
seed
Korean
pine.
The
olfactory
system
wasps
plays
an
essential
role
in
sensing
chemical
signals
during
their
foraging,
mating,
host
location,
etc.,
chemosensory
genes
are
involved
detecting
transducing
these
signals.
Many
have
identified
from
antennae
Hymenoptera;
however,
there
few
reports
on
Eulophidae
wasps.
In
this
study,
transcriptome
databases
based
ten
different
tissues
B.
were
first
constructed,
274
putative
genes,
consisting
27
OBPs,
9
CSPs,
3
NPC2s,
155
ORs,
49
GRs,
23
IRs
8
SNMPs
transcriptomes
manual
annotation.
Phylogenetic
trees
constructed
to
investigate
orthologs
between
other
species.
Additionally,
twenty-eight
showed
female
antennae-
ovipositor-biased
expression,
which
was
validated
by
RT-qPCR.
These
findings
not
only
built
molecular
basis
for
further
research
processes
perception
dioryctriae,
but
also
enriched
identification
various
Язык: Английский
Antennal excision reveals disparate olfactory expression patterns within castes in Reticulitermes aculabialis (Isoptera: Rhinotermitidae)
Arthropod Structure & Development,
Год журнала:
2024,
Номер
78, С. 101326 - 101326
Опубликована: Янв. 1, 2024
Язык: Английский
The morphology of the sensilla on the antennae, maxillary palps and cerci of Grylloprimevala jilina Zhou & Ren, 2023
Entomological Research,
Год журнала:
2024,
Номер
54(1)
Опубликована: Янв. 1, 2024
Abstract
Grylloprimevala
jilina
Zhou
&
Ren
is
the
third
extant
species
of
Grylloblattodea
to
be
found
in
China.
To
understand
various
physiological
functions
sensilla
on
main
sensory
organs
G.
during
its
vital
activities,
this
study
used
scanning
electron
microscopy
examine
morphology
appendages
and
analyze
their
abundance
distribution
antennae.
The
filiform
antennae
comprise
scape,
pedicel
flagellum.
maxillary
palps
three
segments,
cerci
contain
four
total.
Altogether,
11
morphologically
distinct
types
were
identified
organs:
apertures;
Böhm
bristles
(BB);
auricillica
(SA),
basiconica
(SB),
campaniformia
(SCa),
capitulum
(SCap),
chaetica
(SCh),
coeloconica
(SCo),
(SF)
trichodea
(ST);
spines.
Studies
have
revealed
that,
except
some
cases,
abundances
gradually
show
a
trend
diversification
enrichment
as
segments
are
extended
forward.
Functional
predictions
for
suggest
that
they
include
chemoreceptors,
mechanoreceptors
temperature
or
humidity
receptors.
As
wall‐pore
sensilla,
SA,
SB,
SCo
ST
could
involved
perception
chemical
signals
emitted
from
living
environment.
In
addition,
mechanical
receptors,
BB,
SCa,
SCh
SF
may
feedback
stimuli.
Our
findings
provide
an
essential
insight
into
rare
national
first‐class
protected
insect,
necessary
theoretical
basis
studying
phylogeny
Grylloblattodea.
Язык: Английский