Silencing of the plant‐derived horizontally transferred gene BtSC5DL effectively controls Bemisia tabaci MED
Pest Management Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 11, 2025
Abstract
BACKGROUND
The
whitefly
Bemisia
tabaci
is
a
notorious
agricultural
pest
known
for
its
ability
to
cause
significant
crop
damage
through
direct
feeding
and
virus
transmission.
Its
remarkable
adaptability
reproductive
capacity
are
linked
acquire
integrate
horizontally
transferred
genes
(HTGs)
into
genome.
These
HTGs
increase
the
physiological
metabolic
capacities
of
this
pest,
including
cholesterol
synthesis,
which
critical
survival
success.
Among
these
genes,
we
identified
plant‐derived
B.
Δ7‐sterol
C5‐desaturase‐like
gene
(
BtSC5DL
),
plays
pivotal
role
in
metabolism
biology.
RESULTS
In
study,
cloned
from
Mediterranean
(MED).
Bioinformatics
molecular
analyses
revealed
that
was
plants
millions
years
ago
now
stably
expressed
species.
Silencing
dsRNA
resulted
reductions
egg
production
content
MED.
Furthermore,
virus‐induced
silencing
(VIGS)
experiments
confirmed
long‐term
suppression
had
notable
control
populations.
CONCLUSION
Our
results
demonstrate
crucial
biosynthesis
MED
suggest
acquisition
significantly
enhances
findings
provide
theoretical
basis
development
RNA
interference
(RNAi)‐based
strategies
targeting
,
offering
potential
new
approach
effective
management
populations
settings.
©
2025
Society
Chemical
Industry.
Язык: Английский
Investigating the Biology of Leaf-Cutting Ants to Support the Development of Alternative Methods for the Control and Management of These Agricultural Pests
Agriculture,
Год журнала:
2025,
Номер
15(6), С. 642 - 642
Опубликована: Март 18, 2025
Concerns
about
the
environmental
and
health
risks
of
synthetic
insecticides
are
driving
search
for
alternative
pest
control
methods.
Leaf-cutting
ants
(LCAs),
one
most
significant
pests
in
neotropics,
cause
substantial
economic
damage
to
agriculture
present
challenges
due
their
complex
biology
ecology.
While
chemical
remains
primary
strategy,
its
intensive
use
has
negative
impacts,
promotes
resistance,
endangers
non-target
species,
including
plants,
animals,
humans.
This
review
describes
LCAs,
examines
traditional
methods
suggests
strategies
such
as
entomopathogenic
fungi
(EPFs)
combined
with
sublethal
doses
insecticides,
plant
essential
oils
(EOs),
RNAi
techniques.
Here,
we
emphasize
need
address
LCA
management
sustainably
by
investigating
ecology
at
both
“colony”
“individual”
levels.
Colony-level
factors
include
morphology,
life
cycle,
behavior,
division
labor,
nest
structure,
while
individual-level
mechanisms
involve
sensory,
biochemical,
behavioral
adaptations
garden
sterilization
decontamination.
also
highlights
potential
insecticide
EPFs
induce
changes
worker
mortality,
it
details
mode
action
EOs
promising
strategies.
The
integration
biological
approaches
could
offer
sustainable
alternatives
insecticides.
Язык: Английский
Control of Fusarium graminearum Infection in Wheat by dsRNA-Based Spray-Induced Gene Silencing
Journal of Agricultural and Food Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 3, 2025
Spray-induced
gene
silencing
(SIGS)
has
become
a
new
technology
for
pest
and
disease
control
in
plants.
This
study
synthesized
three
double-strand
RNAs
(dsRNAs)
targeting
Fusarium
graminearum
(F.
graminearum),
the
major
pathogen
causing
head
blight
(FHB).
Co-incubation
showed
weak
uptake
of
dsRNA
by
F.
graminearum,
some
dsRNAs
influence
spore
germination
hyphae
growth.
In
contrast,
exogenous
quickly
efficiently
penetrates
wheat
leaves.
Treatment
leaves
detached
heads
with
these
negative
effect
on
pathogenicity
graminearum.
Foliar
spraying
dsCHS3b
or
dsMGV1
decreased
amount
artificially
inoculated
incidence
rate,
severity
field.
Under
natural
conditions,
significantly
FHB
index
deoxynivalenol
content.
Twice
spray
achieved
more
than
90%
FHB.
conclusion,
SIGS
effectively
prevents
infection
wheat,
providing
green
way
control.
Язык: Английский