Microbial community formation during dietary exposure to Fe3O4-urease nanoconjugates in silkworm (Bombyx mori): Principal fungi groups facilitate functional flux
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 141367 - 141367
Опубликована: Фев. 1, 2025
Язык: Английский
Fabrication of biosynthesized nickel ferrites nanoparticles and evaluation of their insecticidal efficacy on beetles (Blaps polychresta) testicular integrity
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 28, 2025
Abstract
Green
synthesis
of
nanoparticles
has
emerged
as
a
significant
strategy
to
develop
effective
and
eco-friendly
insecticide
agents
combat
resistance
preserve
environmental
integrity
biodiversity.
This
study
was
thus
designed
fabricate
novel
green
synthesized
NiFe
2
O
4
(NiFe
NPs)
investigate
their
potential
insecticidal
effects
for
the
first
time
using
Blaps
polychresta
beetle
an
agricultural
coleopteran
pest
model.
Therefore,
we
prepared
NPs
following
hydrothermal
procedure
in
presence
lemon
juice.
The
physiochemical
characteristics
were
investigated
employing
SEM,
TEM,
FT-IR,
XRD,
TGA,
VSM,
UV-Vis
analysis.
lowest
most
dose
against
male
beetles
ascertained
at
concentration
0.03
mg/g
body
weight,
reporting
67%
mortality
after
48
h.
To
impact
NPs,
EDX
analysis
demonstrated
bioaccumulation
testicular
tissues
beetles,
leading
pathophysiological
consequences.
Precisely,
oxidative
stress
incited
by
led
disturbance
antioxidant
defense
system,
which
defined
augmentation
lipid
peroxidation
suppression
enzymes.
Furthermore,
comet
assay
exhibited
remarkable
DNA
impairment,
while
flow
cytometry
showed
substantial
cellular
necrosis
apoptosis
NPs-treated
compared
control
insects.
In
correlation
with
these
findings,
several
aberrations
histological
ultrastructure
attributes
perceived,
including
impaired
follicular
cyst
walls,
deteriorated
parietal
cells,
necrosis,
vacuolations.
These
results
implied
that
triggered
injury
testes,
resulting
reproductive
system
dysfunction.
Altogether,
our
findings
accentuate
application
nanopesticides,
paving
way
sustainable
cost-effective
management
insect
pests
agriculture.
Язык: Английский
Effects of Cd-Treated Pepper on Gut Microbiota in Herbivore Cutworm Spodoptera litura
Agronomy,
Год журнала:
2024,
Номер
14(12), С. 2945 - 2945
Опубликована: Дек. 10, 2024
The
contamination
of
farmland
soil
with
cadmium
(Cd)
poses
a
significant
threat
to
the
safety
and
quality
agricultural
products.
Herbivorous
pests
may
develop
adaptations
survive
in
Cd-contaminated
over
time,
potentially
leading
population
outbreaks.
gut
microbiota
plays
crucial
role
this
adaptation
process,
though
mechanisms
involved
remain
unclear.
This
study
examined
effects
two
pepper
cultivars
Capsicum
annuum
(Chiyan,
CY,
Tianlanse,
TLS)
under
Cd
on
larval
growth,
development,
food
utilization,
Spodoptera
litura
larvae.
inherent
toxicity
TLS
is
higher
than
that
as
evidenced
by
reduction
larvae
survival
rate
control.
In
had
positive
effect
at
low
concentrations
negative
high
concentrations.
Briefly,
5
mg/kg
CY
increased
efficiency
conversion
ingested
(ECI)
relative
growth
(RGR),
whereas
10
decreased
nutritional
indices
[higher
consumption
(RCR),
approximate
digestibility
(AD),
lower
digested
(ECD)].
TLS,
significant,
dose-dependent,
weight,
ECD,
(RGR).
thus
plant
toxins
Meta-barcode
sequencing
16S
rRNA
gene
revealed
microbial
diversity
was
affected
cultivar
but
not
concentration.
fed
most
frequent
bacterial
genera
were
Enterococcus
Pluralibacte,
predominant
genus
Our
findings
reveal
variations
how
impacts
S.
across
different
imply
alterations
communities
could
play
joint
detoxification
plant-derived
toxins.
Язык: Английский