Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(28), P. 15624 - 15632
Published: July 2, 2024
Phytophagous
insects
are
more
predisposed
to
evolve
insecticide
resistance
than
other
insect
species
due
the
"preadaptation
hypothesis".
Cytochrome
P450
monooxygenases
have
been
strongly
implicated
in
and
phytochemical
detoxification
insects.
In
this
study,
RNA-seq
results
reveal
that
P450s
of
Drug Resistance Updates,
Journal Year:
2024,
Volume and Issue:
77, P. 101140 - 101140
Published: Aug. 16, 2024
Membrane
protein-mediated
resistance
is
a
multidisciplinary
challenge
that
spans
fields
such
as
medicine,
agriculture,
and
environmental
science.
Understanding
its
complexity
devising
innovative
strategies
are
crucial
for
treating
diseases
like
cancer
managing
resistant
pests
in
agriculture.
This
paper
explores
the
dual
nature
of
mechanisms
across
different
organisms:
On
one
hand,
animals,
bacteria,
fungi,
plants,
insects
exhibit
convergent
evolution,
leading
to
development
similar
mechanisms.
other
influenced
by
diverse
pressures
structural
differences
among
organisms,
they
also
demonstrate
divergent
characteristics.
prevalent
insects,
reflecting
their
shared
survival
evolved
through
evolution
address
challenges.
However,
variations
ecological
environments
biological
characteristics
result
differing
responses
resistance.
Therefore,
examining
these
not
only
enhances
our
understanding
adaptive
but
provides
theoretical
support
insights
addressing
drug
advancing
pharmaceutical
development.
Journal of Economic Entomology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
The
fall
armyworm
Spodoptera
frugiperda
(J.
E.
Smith)
(Lepidoptera:
Noctuidae),
a
notorious
invasive
pest,
has
been
widely
monitored
for
insecticide
resistance.
Since
its
invasion
of
China
in
late
2018,
early
to
mid-stage
monitoring
resistance
is
particularly
crucial
inform
effective
control
strategies.
Resistance
ratios
(RRs)
derived
from
bioassays
offer
valuable
insights
into
the
overall
levels
field
populations,
while
detection
allele
frequencies
helps
uncover
potential
causes
variation.
In
this
study,
we
established
baseline
susceptibility
third-instar
larvae
7
insecticides
using
laboratory
strain
Xinzheng2019
and
assessed
9
populations
collected
central
southern
between
2022
2023.
Compared
susceptible
strain,
2
showed
low-level
(RR
=
5-10)
indoxacarb,
one
exhibited
chlorantraniliprole.
Minor
3-5)
was
observed
lambda-cyhalothrin,
5
All
remained
<
3)
spinetoram,
emamectin
benzoate,
chlorfenapyr,
lufenuron.
Molecular
analysis
11
mutation
sites
across
3
key
resistance-related
genes
(Ace-1,
GluCl,
voltage-gated
sodium
channel
[VGSC])
revealed
that
52.1%
all
tested
samples
carried
either
homozygous
or
heterozygous
alleles
at
F290V
locus
Ace-1
gene,
no
mutations
were
detected
other
sites.
Our
findings
status
S.
provide
guidance
chemical
use.