Variations of salinity during reproduction and development affect ontogenetic trajectories in a coastal amphibian
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(8), P. 11735 - 11748
Published: Jan. 15, 2024
Language: Английский
The Sixth Mass Extinction and Amphibian Species Sustainability Through Reproduction and Advanced Biotechnologies, Biobanking of Germplasm and Somatic Cells, and Conservation Breeding Programs (RBCs)
Animals,
Journal Year:
2024,
Volume and Issue:
14(23), P. 3395 - 3395
Published: Nov. 25, 2024
Primary
themes
in
intergenerational
justice
are
a
healthy
environment,
the
perpetuation
of
Earth's
biodiversity,
and
sustainable
management
biosphere.
However,
current
rate
species
declines
globally,
ecosystem
collapses
driven
by
accelerating
catastrophic
global
heating,
plethora
other
threats
preclude
ability
habitat
protection
alone
to
prevent
cascade
amphibian
mass
extinctions.
Reproduction
advanced
biotechnologies,
biobanking
germplasm
somatic
cells,
conservation
breeding
programs
(RBCs)
offer
transformative
change
biodiversity
management.
This
can
economically
reliably
perpetuate
irrespective
environmental
targets
extend
satisfy
humanity's
future
needs
as
biosphere
expands
into
space.
Currently
applied
RBCs
include
hormonal
stimulation
reproduction,
collection
refrigerated
storage
sperm
oocytes,
cryopreservation,
vitro
fertilization,
cells.
The
benefits
biotechnologies
development,
such
assisted
evolution
cloning
for
adaptation
or
restoration,
have
yet
be
fully
realized.
We
broaden
our
discussion
genetic
management,
political
cultural
engagement,
applications,
including
extension
through
interplanetary
interstellar
colonization.
development
application
raise
intriguing
ethical,
theological,
philosophical
issues.
address
these
with
models
introduce
Multidisciplinary
Digital
Publishing
Institute
Special
Issue,
Sixth
Mass
Extinction
Species
Sustainability
Biotechnologies,
Biobanking,
Conservation
Breeding
Programs.
Language: Английский
A test for plasticity in sperm motility activation in response to osmotic environment in an anuran amphibian
Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
12(10)
Published: Oct. 1, 2022
Abstract
Evolutionary
theory
predicts
that
selection
will
favor
phenotypic
plasticity
in
sperm
traits
maximize
fertilization
success
dynamic
environments.
In
species
with
external
fertilization,
osmolality
of
the
medium
is
known
to
play
a
critical
role
activating
motility,
but
evidence
for
osmotic‐induced
limited
euryhaline
fish
and
marine
invertebrates.
Whether
this
capacity
extends
freshwater
taxa
remains
unknown.
Here,
we
provide
first
test
sperm‐motility
activation
response
osmotic
environment
an
anuran
amphibian.
Male
common
eastern
froglets
(
Crinia
signifera
)
were
acclimated
either
low
(0
mOsmol
kg
−1
or
high
(50
environmental
osmolality,
using
split‐sample
experimental
design,
activated
across
range
treatments
(0,
25,
50,
75,
100,
200
±
2
).
Unexpectedly,
there
was
no
detectable
shift
optimal
after
approximately
13
weeks
acclimation
(a
period
reflecting
duration
winter
breeding
season).
However,
both
treatments,
mirrored
at
natural
site,
indicating
match
local
environment.
Previously
it
has
been
shown
C.
display
among‐population
covariation
between
performance.
Coupled
finding,
results
present
study
suggest
inter‐population
differences
reflect
genetic
divergence
adaptation.
We
discuss
need
tests
more
better
understand
evolutionary
contexts
favoring
adaptive
activation.
Language: Английский