A transient neurohormonal circuit controls hatching in fish
Science,
Journal Year:
2024,
Volume and Issue:
386(6726), P. 1173 - 1178
Published: Dec. 5, 2024
Hatching
is
a
critical
event
in
the
life
history
of
oviparous
species.
The
decision
to
hatch
often
carefully
timed
coincide
with
favorable
conditions
that
will
improve
survival
through
early
stages.
However,
how
relevant
cues
are
relayed
trigger
hatching
remains
unknown.
In
this
work,
we
show
thyrotropin-releasing
hormone
(Trh)
neuroendocrine
activator
zebrafish.
To
elicit
hatching,
Trh
neurons
form
transient
circuit
deposits
peptide
into
embryo’s
circulation.
also
activates
distantly
related
fish
species
separated
more
than
200
million
years
ago.
Our
results
reveal
an
evolutionarily
conserved
controls
major
Language: Английский
Zebrafish as a model organism in One health Toxicology: Impact of solvents and exposure routes on the toxicity of platinum anticancer drugs
Environment International,
Journal Year:
2025,
Volume and Issue:
197, P. 109349 - 109349
Published: Feb. 23, 2025
Zebrafish
are
widely
used
not
only
as
a
model
in
ecotoxicology
but
also
to
study
the
potential
impact
of
chemicals
on
human
health.
Typically,
zebrafish
exposed
dissolved
egg
water
or
other
defined
media,
which
is
standard
routine
for
testing.
This
straightforward
exposure
method
usually
employed
monitor
adverse
effects
predict
hazards
and
modes
action
humans.
Here,
we
compared
different
media
studied
salinity
solvents
relevant
ecotoxicity
For
comparison,
toxicants
were
directly
injected
into
bloodstream
embryos,
this
better
simulates
scenario
assessing
drugs
administered
intravenously
patients.
As
compounds
platinum-based
anticancer
drugs,
known
micropollutants,
lead
severe
side
Striking
differences
sensitivity
phenotypes,
i.e.
outcomes,
observed
dependent
route
media.
The
bioavailability
platinum
was
significantly
altered
by
commonly
solvent
DMSO.
These
findings
highlight
relevance
well
be
considered
when
interpreting
studies
field
cross-species
comparisons
Language: Английский
Unintended Consequences of Aquatic Enrichment in Experimental Biology
Environmental Science & Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 23, 2025
Enrichment
in
aquatic
animal
studies
is
important
for
promoting
welfare
and
maintaining
health
can
be
categorized
by
physical,
sensory,
social,
occupational,
dietary
enrichment.
However,
the
risk
of
potential
chemical
leaching
associated
with
physical
enrichment
items
has
been
largely
overlooked
(i.e.,
artificial
plants
or
shelter).
Most
lack
information
on
their
composition
have
not
undergone
testing
plastic
metal
leachates
that
alter
water
chemistry
impair
physiology.
In
fish
invertebrate
research,
these
to
modify
animals
reproductive
processes.
Moreover,
toxicology
altered
exposure
concentrations
interactive
effects
could
invalidate
toxicity
assays
lead
misleading
results.
We
identify
key
contaminants
common
highlight
substantial
empirical
research
focusing
confounding
factors
explore
mechanisms
through
which
relevant
complicate
experimental
outcomes,
detailing
pathways
substances
may
interact
both
environment
themselves.
conclude
there
widespread
serious
complications
outcomes
chronic
from
materials.
Therefore,
we
advocate
establishment
standardized
regulations
a
global
certification
system
ensure
validity
safeguard
welfare.
encourage
researchers
critically
consider
implications
when
designing
systems.
Language: Английский
Rapid and reversible plasticity of upper thermal limit, but no effects of multigenerational warming in medaka
Juliette Vallin,
No information about this author
Fabio Gerberon,
No information about this author
Rémy Lassus
No information about this author
et al.
Journal of Thermal Biology,
Journal Year:
2025,
Volume and Issue:
130, P. 104155 - 104155
Published: May 1, 2025
Language: Английский
A Multi-Endpoint Approach to Ecotoxicological Assessment of Wastewater Polluted Rivers Using Zebrafish
Environmental Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 121996 - 121996
Published: June 1, 2025
Language: Английский
Sublethal effects of acidified water on sensorimotor responses and the transcriptome of zebrafish embryos
Jiun-Lin Horng,
No information about this author
Kuan-Yi Lee,
No information about this author
Li‐Yih Lin
No information about this author
et al.
Chemosphere,
Journal Year:
2024,
Volume and Issue:
370, P. 143984 - 143984
Published: Dec. 30, 2024
Language: Английский
Active biomonitoring of river pollution using an ex-situ exposure system with two model species
Sarah Bancel,
No information about this author
Olivier Geffard,
No information about this author
Cécile Bossy
No information about this author
et al.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
959, P. 178159 - 178159
Published: Dec. 24, 2024
ou
non,
émanant
des
établissements
d'enseignement
et
de
recherche
français
étrangers,
laboratoires
publics
privés.
Reproductive performance of crossbreeding between local female and imported male koi at CV. Indokoi Malang
David Hermawan,
No information about this author
Ganjar Adhywirawan Sutarjo,
No information about this author
Dony Prasetyo
No information about this author
et al.
BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
143, P. 02005 - 02005
Published: Jan. 1, 2024
The
high
demand
for
koi
fish
must
be
supported
by
an
adequate
supply
of
fry,
both
in
quantity
and
quality.
High-quality
fry
comes
from
superior
broodstock.
This
study
aimed
to
evaluate
the
quantity,
type,
quality
produced
crossbreeding
local
imported
A
descriptive
quantitative
method
was
used,
with
natural
spawning
at
a
ratio
1:3
(female),
involving
Shiro
F1,
Shiro,
Showa,
Ginrin
Shiro.
Results
showed
fecundity
103,800
eggs,
fertilization,
hatching,
survival
rates
84%,
93%,
74.7%,
respectively.
first
selection
yielded
79%
high-quality
while
second
10%
fry.
Showa
dominated
selection,
comprising
84%
that
batch
9.2%
total
made
up
16%
1.7%
overall
highest
daily
growth
rate
occurred
week
(4.6%/day),
lowest
(2.08%/day).
specific
also
(36.43%/day),
fourth
(5.61%/day).
Water
remained
suitable
throughout
study.
Language: Английский