Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 28, 2024
The
western
corn
rootworm
(WCR),
Diabrotica
virgifera
LeConte,
has
evolved
resistance
to
nearly
every
management
tactic
utilized
in
the
field.
This
study
investigated
mechanisms
a
WCR
strain
resistant
Bacillus
thuringiensis
(Bt)
protein
eCry3.1Ab
using
dsRNA
knockdown
midgut
genes
previously
documented
be
associated
with
resistance.
ATP-binding
cassette
transporter
(ABCC4),
aminopeptidase-N,
cadherin,
and
cathepsin-B
were
found
differentially
expressed
eCry3.1Ab-resistant
larvae
when
compared
susceptible
after
feeding
on
maize
expressing
its
near-isoline.
Here
we
susceptibility
of
presence
or
absence
targeting
above
10-day
diet
overlay
toxicity
assays.
Combining
ABCC4
increased
Bt
WCR-resistant
larvae,
but
other
three
had
no
such
effect.
Among
65
ABC
transport
identified,
several
differently
fed
eCry3.1Ab-expressing
versus
isoline,
that
may
involved
Our
findings
provide
strong
evidence
is
indirectly
by
enhancing
effects
Bt-induced
toxicity.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 23, 2024
An
increasing
population,
climate
change,
and
diminishing
natural
resources
present
severe
threats
to
global
food
security,
with
traditional
breeding
genetic
engineering
methods
often
falling
short
in
addressing
these
rapidly
evolving
challenges.
CRISPR/Cas
systems
have
emerged
as
revolutionary
tools
for
precise
modifications
crops,
offering
significant
advancements
resilience,
yield,
nutritional
value,
particularly
staple
crops
like
rice
maize.
This
review
highlights
the
transformative
potential
of
technology,
emphasizing
recent
innovations
such
prime
base
editing,
development
novel
CRISPR-associated
proteins,
which
significantly
improved
specificity,
efficiency,
scope
genome
editing
agriculture.
These
enable
targeted
that
enhance
tolerance
abiotic
stresses
well
biotic
stresses.
Additionally,
plays
a
crucial
role
improving
crop
yield
quality
by
enhancing
photosynthetic
nutrient
uptake,
resistance
lodging,
while
also
taste,
texture,
shelf
life,
content
through
biofortification.
Despite
challenges
off-target
effects,
need
more
efficient
delivery
methods,
ethical
regulatory
concerns,
underscores
importance
security
sustainability
It
calls
continued
research
integration
CRISPR
other
emerging
technologies
nanotechnology,
synthetic
biology,
machine
learning
fully
realize
its
developing
resilient,
productive,
sustainable
agricultural
systems.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 3, 2025
Xanthones
are
dubbed
as
putative
lead-like
molecules
for
cancer
drug
design
and
discovery.
This
study
was
aimed
at
the
synthesis,
characterization,
in
silico
target
fishing
of
novel
xanthone
derivatives.
The
products
reactions
xanthydrol
with
urea,
thiourea,
thiosemicarbazide
reacted
α-haloketones
to
prepare
thiazolone
compounds.
Xanthydrol
sequentially
ethyl
chloroacetate,
hydrazine,
carbon
disulfide,
dithiolane.
propargyl
bromide
it
submitted
click
reaction
azide
triazole
ring.
Finally,
four
xanthones
derivatives
including
(E)-2-(2-(9H-xanthen-9-yl)hydrazono)-1,3-dithiolan-4-one
(L3),
2-(2-(9H-xanthen-9-yl)hydrazinyl)thiazol-5(4H)-one
(L5),
2-(9H-xanthen-9-ylamino)thiazol-5(4H)-one
(L7),
4-((9H-xanthen-9-yloxy)methyl)-1-(4-nitrophenyl)-1H-1,2,3-triazole
(L9)
were
synthesized
characterized
using
thin
layer
chromatography,
Fourier-transform
infrared
spectroscopy,
nuclear
magnetic
resonance
(1H
13C).
ADMET,
Pfizer
filter,
adverse
reaction,
toxicity,
antitarget
interaction
profiles,
fishing,
kinase
screening,
molecular
docking
validation,
protein
gene
network
analysis
computed
Ligands
obeyed
filter
drug-likeness,
while
all
ligands
categorized
toxic
chemicals.
Major
targets
predicted
be
kinases
Haspin,
WEE2,
PIM3.
Mitogen-activated
1
hub
All
show
hepatotoxic
potentials,
L7
presented
cardiac
toxicity.
Acute
leukemic
T-cells
one
top
tumor
cell
lines
these
ligands.
possible
antileukemic
effects
potentially
very
interesting
warrant
further
studies.
Proceedings of the National Academy of Sciences,
Journal Year:
2025,
Volume and Issue:
122(16)
Published: April 17, 2025
Crops
genetically
engineered
to
produce
insecticidal
proteins
from
the
bacterium
Bacillus
thuringiensis
(Bt)
have
been
used
extensively
control
some
major
crop
pests,
but
their
benefits
decrease
when
pests
evolve
resistance.
Better
understanding
of
genetic
basis
resistance
is
needed
effectively
monitor,
manage,
and
counter
pest
Bt
crops.
Resistance
in
at
least
11
species
Lepidoptera,
including
many
important
associated
with
naturally
occurring
mutations
that
disrupt
one
or
more
three
larval
midgut
proteins:
cadherin
ATP-binding
cassette
ABCC2
ABCC3.
Here,
we
determined
how
CRISPR/Cas9-mediated
disrupting
cadherin,
ABCC2,
ABCC3
singly
pairs
affect
Cry1Ab
Cry1Fa
Asian
corn
borer
(
Ostrinia
furnacalis
),
which
most
damaging
Asia
closely
related
European
nubilalis
a
Europe
North
America.
The
results
bioassays
six
knockout
strains
parent
susceptible
strain
support
model
can
kill
larvae
via
path
requiring
another
ABCC3,
whereas
uses
only
first
path.
model’s
predictions
are
generally
supported
by
linkage
analyses
responses
Sf9
cells
Xenopus
oocytes
modified
pairs.
functional
redundancy
identified
here
for
could
sustain
its
efficacy
against
O.
may
exemplify
widespread
natural
strategy
delaying
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17843 - e17843
Published: Sept. 5, 2024
(Gennadius)
whitefly
(BtWf)
is
an
invasive
pest
that
has
already
spread
worldwide
and
caused
major
crop
losses.
Numerous
strategies
have
been
implemented
to
control
their
infestation,
including
the
use
of
insecticides.
However,
prolonged
insecticide
exposures
evolved
BtWf
resist
these
chemicals.
Such
resistance
mechanism
known
be
regulated
at
molecular
level
systems
biology
omics
approaches
could
shed
some
light
on
understanding
this
regulation
wholistically.
In
review,
we
discuss
various
techniques
(genomics,
transcriptomics,
proteomics,
metabolomics)
unravel
in
BtWf.
We
summarize
key
genes,
enzymes,
metabolic
are
associated
with
review
impact
resistance.
Evidently,
enzymes
involved
detoxification
system
such
as
cytochrome
P450
(CYP),
glutathione
S-transferases
(GST),
carboxylesterases
(COE),
UDP-glucuronosyltransferases
(UGT),
ATP
binding
cassette
transporters
(ABC)
family
played
roles
These
genes/proteins
can
then
serve
foundation
for
other
targeted
techniques,
gene
silencing
using
RNA
interference
CRISPR.
future,
will
useful
knock
down
detoxifying
genes
crucial
neutralizing
mechanism,
which
lead
solutions
coping
against
infestation.
Journal of Integrative Agriculture,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
Pesticide
resistance
greatly
limits
control
efficacy
after
the
long-term
application
of
pesticides.
The
two-spotted
spider
mite,
Tetranychus
urticae
Koch,
is
a
notorious
agricultural
pest
worldwide
that
resistant
to
various
pesticides,
including
abamectin.
While
some
studies
abamectin
have
investigated
target
related
glutamate-gated
chloride
channels
(GluCls),
on
metabolic
mechanisms
are
still
limited.
In
this
study,
we
identified
an
ABCC
subfamily
gene,
TuABCC4,
was
overexpressed
in
populations
T.
urticae,
based
analysis
previously
obtained
transcriptomic
and
RNA-seq
data.
No
consistent
nonsynonymous
mutations
TuABCC4
gene
were
found
between
susceptible
populations,
although
expression
significantly
increased
all
studied.
Synergistic
experiments
with
inhibitor
verapamil
confirmed
key
role
resistance.
addition,
increase
shown
by
RNA
interference
genetic
association
be
closely
conclusion,
overexpression
involved
urticae.
These
results
can
help
us
better
understand
molecular
basis
Genome Biology and Evolution,
Journal Year:
2024,
Volume and Issue:
16(9)
Published: Sept. 1, 2024
Abstract
Sand
flies
infect
more
than
1
million
people
annually
with
Leishmania
parasites
and
other
bacterial
viral
pathogens.
Progress
in
understanding
sand
fly
adaptations
to
xenobiotics
has
been
hampered
by
the
limited
availability
of
genomic
resources.
To
address
this
gap,
we
sequenced,
assembled,
annotated
transcriptomes
11
phlebotomine
species.
Subsequently,
leveraged
these
resources
generate
novel
evolutionary
insights
pertaining
their
xenobiotics,
including
those
contributing
insecticide
resistance.
Specifically,
over
2,700
detoxification
genes
conducted
large-scale
phylogenetic
comparisons
uncover
dynamics
five
major
gene
families:
cytochrome
P450s
(CYPs),
glutathione-S-transferases
(GSTs),
UDP-glycosyltransferases
(UGTs),
carboxyl/cholinesterases
(CCEs),
ATP-binding
cassette
(ABC)
transporters.
Using
comparative
approach,
show
that
have
evolved
diverse
CYP
GST
repertoires,
notable
lineage-specific
expansions
groups
evolutionarily
related
known
xenobiotic
metabolizers.
Furthermore,
conserved
orthologs
(i)
CYP4G
involved
cuticular
hydrocarbon
biosynthesis,
(ii)
ABCB
toxicity,
(iii)
two
primary
targets,
acetylcholinesterase-1
(Ace1)
voltage
gated
sodium
channel
(VGSC).
The
biological
produced
study
provide
a
foundation
for
generating
testing
hypotheses
regarding
molecular
mechanisms
underlying
xenobiotics.