Trophic-transferred hierarchical fragmentation of microplastics inducing distinct bio-adaptations via a microalgae-mussel-crab food chain
Ruoxuan Zhao,
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Jiawei Ding,
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Yingli Yang
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et al.
Journal of Hazardous Materials,
Journal Year:
2025,
Volume and Issue:
489, P. 137620 - 137620
Published: Feb. 14, 2025
Language: Английский
To live or die: “Fine-tuning” adaptation revealed by systemic analyses in symbiotic bathymodiolin mussels from diverse deep-sea extreme ecosystems
Jianzhou Xu,
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Ruoxuan Zhao,
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Ao Liu
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et al.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
917, P. 170434 - 170434
Published: Jan. 24, 2024
Language: Английский
Adverse effects of Microcystis aeruginosa exudates on the filtration, digestion, and reproduction organs of benthic bivalve Corbicula fluminea
Zijin Hong,
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Xun Chen,
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Junxiang Hu
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et al.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 13, 2024
Abstract
Cyanobacteria
bloom
and
the
secondary
metabolites
released
by
microorganism
are
extremely
harmful
to
aquatic
animals,
yet
study
on
their
adverse
effects
in
zoobenthos
is
rare.
Corbicula
fluminea
widely
distributed
freshwater
environment
with
algal
blooms.
It
a
typical
filter
feeding
that
may
be
affected
of
cyanobacteria
due
its
high
filtering
rate.
In
this
study,
C.
was
exposed
Microcystis
aeruginosa
exudates
(MaE)
for
96
h,
which
obtained
from
5
×
10
cells/mL
2.5
6
exponential
stage
M.
culture
solution
represented
cell
density
needs
environmental
risk
precaution
control
emergent
control,
respectively.
The
responses
critical
organs
MaE
were
analyzed
evaluated
based
histopathological
sections,
antitoxicity
biomarkers,
organ
function
biomarkers.
results
showed
all
underwent
structural
disorders,
vacuolization,
apoptosis,
necrosis,
damage
levels
increased
as
concentration
increased.
detoxification
antioxidant
defense
systems
biomarkers
each
response
exposure
differently
level
reaction
improved
when
siphon
rate
acetylcholinesterase
activity
filtration
decreased
significantly
Increased
glutathione
S-transferase
amylase
digestive
gland
indicate
it
major
.
vitellogenin
enlarged
oocytes
gonad
have
an
estrogenic
effect
This
demonstrates
threat
benthic
bivalves
inducing
oxidative
stress,
inhibiting
system,
disturbing
digestion
system
reproduction
potential
Language: Английский
White rot fungi as a multifaceted biocontrol agent: Metabolic disruption and algal inhibition in Microcystis aeruginosa
Guoming Zeng,
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Xin Huang,
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Dong Liang
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et al.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
285, P. 117151 - 117151
Published: Oct. 1, 2024
Microcystis
aeruginosa
is
a
prevalent
cyanobacterium
linked
to
water
eutrophication
and
harmful
algal
blooms.
While
bacterial
control
strategies
are
well-studied,
the
effects
of
white
rot
fungi
on
less
understood.
This
study
examines
impact
whole
fungal
liquid,
its
centrifuged
supernatant,
sterilized
solutions
algae's
physiological
biochemical
traits.
Metabolomics
multivariate
analysis
identified
significant
changes
in
47
metabolic
markers,
including
carbohydrates,
amino
acids,
fatty
across
treatments.
The
complete
liquid
exhibited
strongest
algicidal
effect,
likely
due
synergistic
solubilization
mechanisms
mediated
by
extracellular
enzymes
such
as
manganese
peroxidase,
catalase,
laccase.
Notably,
activity
persisted
even
after
sterilization,
suggesting
presence
non-proteinaceous
compounds
like
polysaccharides
or
lipids.
disturbances
included
downregulation
TCA
cycle
reduced
acid
synthesis,
leading
inhibited
photosynthesis
compromised
nucleic
integrity
cells.
research
enhances
our
understanding
how
disrupt
metabolism,
providing
theoretical
basis
for
their
potential
use
bioremediation
eutrophic
aquatic
environments.
Language: Английский