This
study
comprehensively
evaluated
the
effects
of
Cd
exposure
on
passive
and
active
pathogenicity
Beauveria
bassiana
(Bb)
its
corresponding
mechanisms.
The
Bb
to
Cd-exposed
Lymantria
dispar
larvae
significantly
increased.
After
infection,
fungal
biomass
in
living
mycelium
encapsulation
index
dead
were
decreased
under
exposure.
damaged
mycelial
structure,
inhibited
growth
sporulation
quantity,
reduced
toxin
secretion
Bb.
Nutrients
content
energy
metabolism-related
genes
expression
larvae,
both
before
after
infection.
Trehalose
supplementation
alleviated
nutritional
deficiency
combined
treatment
larval
susceptibility
promoted
at
low
concentrations
but
hydrophobicity,
adhesion
spores
higher
concentrations.
Transcriptome
analysis
revealed
that
hydrophobicity
exposed
may
be
regulated
by
cell
wall/membrane/envelope
biogenesis
pathways.
Spore
germination
rate
stress
resistance
Taken
together,
heavy
metals
can
regarded
as
an
abiotic
environmental
factor
directly
affects
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
275, С. 116246 - 116246
Опубликована: Март 26, 2024
Cadmium
(Cd)
pollution
is
considered
a
pressing
challenge
to
eco-environment
and
public
health
worldwide.
Although
it
has
been
well-documented
that
Cd
exhibits
various
adverse
effects
on
aquatic
animals,
still
largely
unknown
whether
how
at
environmentally
relevant
concentrations
affects
iron
metabolism.
Here,
we
studied
the
of
environmental
exposure
(5
50
μg/L)
homeostasis
possible
mechanisms
in
common
carp.
The
data
revealed
elevated
serum
iron,
transferrin
saturation
deposition
livers
spleens,
leading
disruption
systemic
homeostasis.
Mechanistic
investigations
substantiated
drove
hemolysis
by
compromising
osmotic
fragility
inducing
defective
morphology
erythrocytes.
concurrently
exacerbated
hepatic
inflammatory
responses,
resulting
activation
IL6-Stat3
signaling
subsequent
hepcidin
transcription.
Notably,
elicited
ferroptosis
through
increased
burden
oxidative
stress
livers.
Taken
together,
our
findings
provide
evidence
mechanistic
insight
could
undermine
via
erythrotoxicity
hepatotoxicity.
Further
investigation
ecological
risk
assessment
other
pollutants
metabolism-related
warranted,
especially
under
realistic
scenarios.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Апрель 17, 2025
Background
Cuscuta
spp.
(dodders)
are
parasitic
plants
that
belong
to
the
Convolvulaceae
family.
In
nature,
dodder
often
forms
a
bridge-like
connection
between
two
or
more
host
like,
which
is
known
as
bridge.
Cadmium
(Cd
2+
)
an
important
heavy
metal
ion
affects
plant
growth.
However,
it
remains
unclear
whether
Cd
treatment
can
directly
indirectly
induce
transcriptomic
changes
in
through
Results
this
study,
pot
experiment
was
conducted
investigate
effects
of
on
donor
and
neighboring
recipient
connected
by
Transcriptome
analysis
revealed
significantly
affected
expression
genes
involved
‘Plant-pathogen
interaction’,
‘phenylpropanoid
biosynthesis’,
‘isoflavonoid
biosynthesis’
pathways
both
at
2,
12,
24,
48
h.
induced
bridge,
included
processes
related
oxidation-reduction
(‘oxidation-reduction
process’,
‘oxidoreductase
activity’,
‘regulation
transcription’)
Ca
signaling
(‘Plant-pathogen
‘MAPK
pathway’,
‘AMPK
‘mTOR
pathway’).
Additionally,
mRNA
transfer
observed
from
soybean
dodder.
mRNA,
ROS
might
play
crucial
roles
signal
transduction
process
stress.
Conclusion
could
These
results
contribute
better
understanding
how
bridges
respond
environmental
stresses.
Archives of Environmental Contamination and Toxicology,
Год журнала:
2024,
Номер
87(2), С. 144 - 158
Опубликована: Июль 24, 2024
Insects
are
impacted
by
pollutants
in
their
environments
and
food
sources.
Herein,
we
set
out
a
semi-field
study
to
assess
the
impact
of
environmental
heavy
metal
contamination
on
developmental
parameters,
energy
reserves,
acidic
alkaline
phosphatases
larval
Agrotis
ipsilon
(Lepidoptera:
Noctuidae).
Castor
leaves
from
contaminated
uncontaminated
(reference
site)
areas
were
fed
A.
larvae
all
treatments.
The
concentrations
plant
different
(contaminated
reference
sites)
analyzed.
Toxic
effects
observed
feeding
areas.
Larval
pupal
weights,
growth
indices,
fitness
significantly
lower
than
group.
Likewise,
third
fourth
instars,
there
was
significant
decrease
both
survival
moth
emergence
rates.
In
contrast,
pupation
duration
longer.
Total
protein,
lipid,
glycogen
content
showed
reductions
treated
larvae.
homogenate
samples
with
metals
increase
acid-
alkaline-
phosphatase
levels.
results
obtained
could
provide
basis
for
long-term
evaluation
risk
associated
populations
important
agricultural
pests.
