Bulletin of Entomological Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 9
Published: March 28, 2025
Abstract
Sensory
neuron
membrane
protein
(
SNMP
)
gene
play
a
crucial
role
in
insect
chemosensory
systems.
However,
the
of
host
searching
behaviour
Rhopalosiphum
padi
(Hemiptera:
Aphididae),
highly
destructive
pest
cereal
crops,
has
not
been
clearly
understood.
Our
previous
research
shown
that
three
wheat
volatile
organic
compounds
(VOCs)
–
(E)-2-hexenol,
linalool,
and
octanal
can
attract
R.
,
but
involvement
aphid’s
olfactory
response
to
these
VOCs
be
elucidated.
In
this
study,
only
one
was
cloned
characterised
from
.
The
results
revealed
belongs
SNMP1
subfamily
named
RpadSNMP1.
RpadSNMP11
predominantly
expressed
antennae
aphid,
with
significantly
higher
expression
levels
observed
winged
forms,
indicating
it
is
involved
responses
padi.
RpadSNMP1
up-regulated
following
starvation,
showed
decreasing
trend
after
24
h
aphid
feeding.
Functional
analysis
through
knockdown
demonstrated
significant
decrease
’s
ability
search
for
plants.
residence
time
injected
ds
shortened
linalool
according
four-arm
olfactometer,
mediating
VOCs.
Molecular
docking
suggested
potential
binding
interactions
between
Overall,
findings
provided
evidence
plant
lay
foundation
developing
new
methods
control
pest.
Food Chemistry X,
Journal Year:
2025,
Volume and Issue:
26, P. 102336 - 102336
Published: Feb. 1, 2025
Food
flavor,
a
blend
of
taste
and
smell,
is
key
to
consumer
acceptance
food
quality.
Traditional
sensory
instrumental
methods
often
fail
replicate
human
responses.
This
review
discusses
the
role
cell-based
biosensors
in
flavor
evaluation,
showcasing
their
sensitivity,
specificity,
rapid
response.
Using
living
cells
like
olfactory
cells,
these
surpass
traditional
approaches.
Advancements
include
microelectrode
array
systems
with
receptor
for
real-time
detection
bitter,
sweet,
umami
substances
improved
cell
immobilization
technologies
detecting
complex
odorant
profiles.
Challenges
such
as
signal
stability,
selective
detection,
cultivation,
scalability
persist.
However,
integrating
artificial
intelligence
portable
could
broaden
applications.
With
potential
revolutionize
analysis,
offer
sustainable,
precise,
scalable
approach
bridging
perception
advanced
analytical
driving
innovation
science.
iScience,
Journal Year:
2025,
Volume and Issue:
28(4), P. 112161 - 112161
Published: March 5, 2025
With
growing
interest
in
utilizing
semiochemicals
to
control
pest
species,
recent
investigations
have
begun
consider
outbreaks
of
crown-of-thorns
starfish
(CoTS;
Acanthaster
cf.
solaris),
a
corallivore
contributing
coral
reef
degradation.
In
this
study,
differential
gene
expression
analysis
adult
CoTS
spines
led
the
identification
(1)
numerous
G-protein
coupled
receptor
genes
enriched
at
reproductive
stage,
possibly
reflecting
enhanced
sensitivity
and
(2)
encoding
secreted
proteins
non-reproductive
stage.
We
also
demonstrated
that
these
belong
an
uncharacterized
family
are
unique
spp.,
being
released
into
surrounding
water.
A
synthetic
peptide
mixture
derived
from
protein
no
toxicity
yet
did
modify
conspecific
behavior,
eliciting
attraction.
Based
on
evidence,
we
suggest
pheromonal
role
beyond
reproduction.
The
discovery
provides
tool
for
future
innovative
semiochemical
biocontrol
management
strategies.
Animals,
Journal Year:
2025,
Volume and Issue:
15(6), P. 852 - 852
Published: March 16, 2025
Olfaction
plays
a
crucial
role
in
crustaceans
for
essential
activities
such
as
foraging
and
predator
evasion.
Among
the
components
involved
olfactory
perception,
Ionotropic
Receptors
(IRs)
are
particularly
important.
Oratosquilla
oratoria,
perennial
crustacean
of
substantial
economic
ecological
value,
serves
an
ideal
model
studying
mechanisms.
Identifying
IR
chemosensory
genes
O.
oratoria
enhances
our
understanding
its
recognition
system.
Based
on
whole-genome
data
we
identified
analyzed
50
members
gene
family
(OratIRs)
through
bioinformatics
approaches.
These
were
classified
into
subfamilies
co-receptor
IRs
tuning
IRs.
The
physicochemical
properties
encoded
proteins
exhibit
marked
variability,
indicating
distinct
roles.
motif
types
conserved
domains
among
these
display
certain
similarities,
but
their
structures
differ
markedly.
Furthermore,
found
that
OratIR25a,
OratIR07629,
OratIR14286
key
nodes
protein–protein
interaction
networks,
coordinating
organisms’
responses
to
signals
like
temperature
acids.
We
utilized
fluorescence
situ
hybridization
(FISH)
find
OratIR75-1
OratIR8a
demonstrated
robust
expression
antennae
oratoria.
findings
lay
foundation
further
investigations
elucidate
functional
roles
receptor
crustaceans.
Bulletin of Entomological Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 9
Published: March 28, 2025
Abstract
Sensory
neuron
membrane
protein
(
SNMP
)
gene
play
a
crucial
role
in
insect
chemosensory
systems.
However,
the
of
host
searching
behaviour
Rhopalosiphum
padi
(Hemiptera:
Aphididae),
highly
destructive
pest
cereal
crops,
has
not
been
clearly
understood.
Our
previous
research
shown
that
three
wheat
volatile
organic
compounds
(VOCs)
–
(E)-2-hexenol,
linalool,
and
octanal
can
attract
R.
,
but
involvement
aphid’s
olfactory
response
to
these
VOCs
be
elucidated.
In
this
study,
only
one
was
cloned
characterised
from
.
The
results
revealed
belongs
SNMP1
subfamily
named
RpadSNMP1.
RpadSNMP11
predominantly
expressed
antennae
aphid,
with
significantly
higher
expression
levels
observed
winged
forms,
indicating
it
is
involved
responses
padi.
RpadSNMP1
up-regulated
following
starvation,
showed
decreasing
trend
after
24
h
aphid
feeding.
Functional
analysis
through
knockdown
demonstrated
significant
decrease
’s
ability
search
for
plants.
residence
time
injected
ds
shortened
linalool
according
four-arm
olfactometer,
mediating
VOCs.
Molecular
docking
suggested
potential
binding
interactions
between
Overall,
findings
provided
evidence
plant
lay
foundation
developing
new
methods
control
pest.
