Environmental Toxicology and Chemistry,
Год журнала:
2024,
Номер
43(9), С. 2071 - 2079
Опубликована: Июль 9, 2024
The
long-term
impacts
of
radiocontaminants
(and
the
associated
risks)
for
ecosystems
are
still
subject
to
vast
societal
and
scientific
debate
while
wildlife
is
chronically
exposed
various
sources
levels
either
environmental
or
anthropogenic
ionizing
radiation
from
use
nuclear
energy.
present
study
aimed
assess
induced
phenotypical
responses
in
both
male
female
gammarids
after
short-term
continuous
γ-irradiation,
acting
as
a
typical
well-characterized
genotoxic
stressor
that
can
interact
directly
with
living
matter.
In
particular,
we
started
characterizing
effects
using
standardized
measurements
biological
on
few
functions
this
species,
especially
feeding
inhibition
tests,
molting,
reproductive
ability,
which
have
already
been
proven
chemical
substances
likely
be
disturbed
by
radiation.
results
show
no
significant
differences
terms
survival
organisms
(males
females),
their
food
consumption
linked
general
health
status
molting
cycle
(females).
contrast,
exposure
significantly
affected
fecundity
(number
embryos
produced)
at
highest
dose
rates
irradiated
females
(51
mGy
h
ACS Agricultural Science & Technology,
Год журнала:
2024,
Номер
4(3), С. 345 - 355
Опубликована: Март 5, 2024
This
study
aimed
to
establish
two
methods,
namely,
indirect
competitive
enzyme-linked
immunosorbent
assay
(ic-ELISA)
and
colloidal
gold
immunochromatographic
test
strips,
for
detecting
prometryn
residues
in
various
agricultural
samples,
such
as
corn,
pumpkin,
lotus
root,
rice,
brown
rice.
Monoclonal
antibodies
specific
were
utilized
both
methods.
The
ic-ELISA
method
demonstrated
a
maximum
half-inhibition
concentration
(IC50)
of
2.4
ng/mL
lower
limit
detection
0.5
ng/mL.
When
used
conjunction
with
card
reader,
the
strip
exhibited
an
IC50
18.6
detection.
recovery
rates
methods
found
be
consistent
those
liquid
chromatography
tandem
mass
spectrometry.
consistency
indicated
suitability
five
different
suggesting
that
this
is
convenient
practical
approach
screening
products.
Frontiers in Environmental Science,
Год журнала:
2025,
Номер
12
Опубликована: Янв. 6, 2025
Prometryn
is
an
herbicide
widely
used
in
agriculture.
Its
degradation-resistant
properties
have
raised
concerns
about
its
environmental
impact
on
aquatic
systems,
yet
distribution
and
bioaccumulation
remain
to
be
explored.
This
research
examined
the
of
prometryn
within
lab-simulated
ecosystems,
incorporating
water-sediment
interactions
tilapias
(
Oreochromis
niloticus
)
Asian
clams
Corbicula
fluminea
).
The
aims
explore
dynamics
across
both
biotic
abiotic
components
ecosystem,
providing
a
comprehensive
understanding
persistence
accumulation
organisms
sediments.
ecosystems
were
exposed
concentration
0.50
mg/L
for
35
days.
During
experiment,
significant
adsorption
retention
sediment
observed,
suggesting
that
could
primary
repository.
Additionally,
not
only
served
as
accumulative
pools
but
also
influenced
ecosystems.
In
terms
bioconcentration,
highest
bioconcentration
factors
observed
liver
visceral
mass
clams,
strong
affinity
these
tissues.
persistently
high
levels
indicate
potential
risks
aquaculture
product
safety.
study
concludes
with
recommendation
ongoing
ecological
risk
assessments,
particularly
regarding
benthic
organisms,
given
propensity
accumulate
systems.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(5), С. 2358 - 2358
Опубликована: Март 6, 2025
Chitin
synthase
is
an
essential
enzyme
of
the
chitin
synthesis
pathway
during
molting.
In
this
study,
we
identified
and
characterized
a
(EsCHS)
gene
in
Chinese
mitten
crab,
Eriocheir
sinensis.
The
spatio-temporal
expression
functional
role
EsCHS
were
investigated.
open
reading
frame
was
4725
bp
long
encoded
1574
amino
acid
residues
that
contained
typical
domain
structure
glycosyltransferase
family
2.
Phylogenetic
analysis
revealed
belongs
to
group
I
family.
found
regenerative
limbs,
cuticle
intestines.
During
molting
cycle,
began
increase
pre-molt
stage
reached
significant
peak
post-molt
stage.
knockdown
resulted
downregulation
biosynthesis
genes,
including
TRE,
HK,
G6PI,
PAGM
UAP.
Moreover,
long-term
RNAi
thinning
procuticles,
abnormal
high
mortality,
suggesting
indispensable
for
formation
conclusion,
involved
plays
important
E.
These
findings
highlight
potential
incorporating
into
selective
breeding
programs
optimize
regulation
improve
growth
performance
crustacean
aquaculture.
