Plants People Planet,
Journal Year:
2024,
Volume and Issue:
6(3), P. 743 - 759
Published: Jan. 30, 2024
Societal
Impact
Statement
Conventional
pest
management
measures
release
large
amounts
of
chemical
or
plastic
pollutants
into
the
environment.
Nicotiana
benthamiana
,
a
commonly
employed
laboratory
model
plant,
demonstrated
remarkable
lethality
and
attractiveness
towards
several
important
Hemiptera
Thysanoptera
insect
pests.
Field
trials
showed
that
N.
plants
can
be
used
as
dead‐end
trap
to
successfully
control
these
pests,
comparable
commercial
sticky
traps.
Notably,
in
field
grew
well
without
negatively
impacting
crop
growth,
natural
enemies,
pollinators.
This
study
unearths
new
benefit
develops
an
easy‐to‐apply
sustainable
strategy
for
control.
Summary
insects
pose
persistent
threats
agricultural
production.
strategies
involve
agents,
causing
adverse
environmental
global
health
issues.
benthamiana,
globally
utilized
exhibits
lethal
effects
attraction
In
this
study,
we
explored
potential
using
field.
Through
net
cover
three
assays
over
2
years,
efficacy
benefits
field‐deployed
trap.
nearly
100%
whiteflies,
aphids,
thrips,
with
emitted
volatiles
attracting
insects.
potted
planted
blocks
traps
whiteflies
thrips
from
Solanaceae
Cucurbitaceae
crops
effectively,
common
yellow
blue
boards.
Moreover,
exhibited
robust
growth
greenhouses
Our
introduces
innovative,
easily
implementable,
approach
controlling
it
unveils
novel
utility
field‐based
management.
Journal of Natural Pesticide Research,
Journal Year:
2024,
Volume and Issue:
8, P. 100069 - 100069
Published: Feb. 12, 2024
Insects
have
enormous
impact
on
public
health
as
agricultural
pests
and
disease
vectors
worldwide.
Olfaction
is
the
most
crucial
recognition
process
that
mediates
chemical
communication
in
insects.
Odorant
binding
proteins
(OBP)
are
small
soluble
present
sensory
organs
of
insects
involved
many
behavioural
contexts,
such
locating
host,
mating
partners,
escaping
predators,
flight,
hygrosensation,
immunity
identifying
oviposition
sites.
OBPs
typically
thought
to
function
a
molecular
carrier
bind,
solubilize,
transport
hydrophobic
odorant
molecules
through
sensillar
fluid
protect
them
from
degradation,
thus
maximizing
olfactory
system's
sensitivity.
Due
their
large
structural
functional
diversity,
can
be
used
targets
for
species,
stage
sex
specific
insect
pest
management.
In
this
review
article,
we
will
explore
aspects
OBP
its
potential
applications
Antennal
transcriptomics,
ligand
assay,
repellents,
pheromone-based
disruption,
RNA
interference
(RNAi)
genetic
modifications
effective
management
tactics
pests.
Journal of Agricultural and Food Chemistry,
Journal Year:
2023,
Volume and Issue:
71(17), P. 6541 - 6551
Published: April 14, 2023
The
rice
water
weevil
(RWW),
Lissorhoptrus
oryzophilus
Kuschel
(Coleoptera:
Curculionidae),
is
a
destructive
pest
that
threatens
the
industry
worldwide.
Odorant
receptors
(ORs)
and
odorant
receptor
coreceptors
(Orcos)
play
an
important
role
in
process
of
insects'
whole
life
activities;
however,
there
are
no
related
functional
studies
on
RWW.
On
this
basis,
heterologous
study
LoryOR20/LoryOrco
Xenopus
laevis
oocytes
was
performed
to
detect
effects
certain
natural
compounds
RWWs
four
active
were
found.
Electroantennogram
(EAG)
recordings
behavior
test
showed
exhibited
significant
response
phenylacetaldehyde
(PAA)
EAG
measurement
dsRNA-LoryOR20-treated
revealed
decrease
PAA.
Our
results
olfactory
molecular
mechanism
for
recognition
PAA
by
RWWs,
thus
providing
potential
genetic
target
at
peripheral
sensing
level,
contributing
development
novel
control
strategies
management.
Biology,
Journal Year:
2024,
Volume and Issue:
13(4), P. 274 - 274
Published: April 18, 2024
Herbivorous
insects
rely
on
volatile
chemical
cues
from
host
plants
to
locate
food
sources
and
oviposition
sites.
General
odorant
binding
proteins
(GOBPs)
are
believed
be
involved
in
the
detection
of
plant
volatiles.
In
present
study,
one
GOBP
gene,
ScinGOBP2,
was
cloned
antennae
adult
Semiothisa
cinerearia.
Reverse-transcription
PCR
real-time
quantitative
analysis
revealed
that
expression
ScinGOBP2
strongly
biased
towards
female
antennae.
Fluorescence-based
competitive
assays
8
27
volatiles,
including
geranyl
acetone,
decanal,
cis-3-hexenyl
n-valerate,
butyrate,
1-nonene,
dipentene,
α-pinene
β-pinene,
bound
(KD
=
2.21–14.94
μM).
The
electrical
activities
all
eight
ligands
were
confirmed
using
electroantennography.
Furthermore,
preference
experiments
showed
such
as
α-pinene,
had
an
attractive
effect
S.
cinerearia,
whereas
dipentene
inhibited
females.
Consequently,
it
can
postulated
may
implicated
perception
volatiles
represent
significant
semiochemicals
mediating
interactions
between
This
insight
could
facilitate
development
a
ecology-based
approach
for
management
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(5), P. 2302 - 2302
Published: March 5, 2025
During
their
lives,
insects
must
cope
with
a
plethora
of
chemicals,
which
few
will
have
an
impact
at
the
behavioral
level.
To
detect
these
use
several
protein
families
located
in
main
olfactory
organs,
antennae.
Inside
antennae,
odorant-binding
proteins
(OBPs),
as
most
studied
family,
bind
volatile
chemicals
to
transport
them.
Pheromone-binding
(PBPs)
and
general-odorant-binding
(GOPBs)
are
two
subclasses
OBPs
evolved
moths
putative
role.
Predictions
for
OBP-chemical
interactions
remained
limited,
functional
data
collected
over
years
unused.
In
this
study,
chemical,
were
curated,
related
datasets
created
descriptors.
Regression
algorithms
implemented
performance
evaluated.
Our
results
indicate
that
XGBoostRegressor
exhibits
best
(R2
0.76,
RMSE
0.28
MAE
0.20),
followed
by
GradientBoostingRegressor
LightGBMRegressor.
our
knowledge,
is
first
study
showing
correlation
among
data,
particularly
context
PBP/GOBP
family
moths.
Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
Helicoverpa
armigera
is
one
of
the
most
serious
pests
attacking
tobacco
around
world.
Nicotiana
rustica
widely
used
as
a
trap
crop
in
fields
tabacum
China.
However,
chemical
and
molecular
bases
guiding
N.
recognition
H.
are
still
unknown.
In
this
study,
we
found
15
volatiles
emitted
from
induced
EAG
responses
armigera,
while
β-ocimene,
α-pinene,
linalool
were
attractive
to
moths
Y-tubes.
Oviposition
tests
showed
that
prefers
lay
eggs
on
plants
treated
with
β-ocimene
α-pinene.
Further
assays
an
antenna-enriched
chemosensory
protein,
HarmCSP1,
binds
robustly
benzaldehyde,
(Z)-3-hexenyl
acetate.
Structural
analyses
revealed
several
key
amino
acid
residues
involved
ligand
binding.
This
study
increases
understanding
mechanism
armigera's
provides
foundation
for
design
attractants
management.
Journal of Biomolecular Structure and Dynamics,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 12
Published: April 17, 2025
Olfaction,
an
ancient
and
intricate
process,
profoundly
shapes
human
innate
responses
yet
remains
relatively
understudied
compared
to
other
sensory
modalities.
Olfactory
receptors
(ORs),
members
of
the
G
protein-coupled
receptor
(GPCR)
family,
play
a
pivotal
role
in
detecting
discriminating
vast
array
odorants.
This
comprehensive
study
explores
functional
roles
five
diverse
ORs:
OR1A1,
OR2W1,
OR11A1,
OR51E1
OR51E2,
through
detailed
investigations
into
differences
between
their
apo
odorant-bound
forms.
By
examining
key
residues
mutations,
possible
molecular
mechanisms
that
underlie
modulation
binding
landscapes
consequent
alterations
OR
stability
were
elucidated.
The
findings
revealed
dynamic
conformational
changes
ORs
upon
odorant
binding,
characterized
by
hinging
motions
tilting
transmembrane
helices.
Using
residue
interaction
network
analyses,
critical
involved
mediating
interactions
odorants
uncovered,
shedding
light
on
determinants
olfactory
perception.
pocket
volume
per-residue
energy
decomposition,
nature
activation
influence
mutations
functionality
was
observed.
