Moving forward: Mitigating the effect of climate change in subterranean ecosystems
Elsevier eBooks,
Journal Year:
2025,
Volume and Issue:
unknown, P. 265 - 275
Published: Jan. 1, 2025
Language: Английский
De novo transcriptomes of cave and surface isopod crustaceans: insights from 11 species across three suborders
Scientific Data,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: June 6, 2024
Abstract
Isopods
are
a
diverse
group
of
crustaceans,
that
inhabit
various
environments,
including
terrestrial,
freshwater,
and
marine,
both
on
the
surface
in
underground.
The
biological
mechanisms
underlying
their
wide
range
adaptations
to
ecological
niches
remain
elusive.
In
order
unravel
molecular
basis
adaptability,
we
generated
comprehensive
RNAseq
dataset
comprising
11
isopod
species
belonging
three
different
suborders:
freshwater
Asellota,
brackish
Sphaeromatidea,
terrestrial
Oniscidea,
with
representatives
from
families
Asellidae,
Sphaeromatidae,
Trichoniscidae,
respectively.
Representatives
each
family
were
collected
cave
representing
at
least
independent
colonization
events.
Three
replicates
sequenced
ensure
data
robustness.
high-quality
datasets
will
serve
as
valuable
resource
for
understanding
cave-specific
adaptations,
comparative
functional
genomics,
annotation
well
aid
conservation
efforts
these
non-model
organisms.
Importantly,
transcriptomes
eight
featured
have
been
made
publicly
accessible
first
time.
Language: Английский
From darkness to twilight: Morphological divergence between cave and surface‐subterranean ecotone Niphargus species
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(8)
Published: Aug. 1, 2024
Abstract
Subterranean
and
surface
habitats
are
in
stark
contrast
several
environmental
factors.
Therefore,
adaptation
to
the
subterranean
environment
typically
impedes
(re)colonisation
of
habitats.
The
genus
Niphargus
includes
amphipod
crustaceans
that
primarily
occupy
All
its
species
show
typical
adaptations
environment.
However,
some
occur
surface‐subterranean
ecotones.
To
understand
whether
(i)
habitat‐based
phenotypic
divergence
is
present
between
cave
ecotone
(ii)
similar
phenotypes
emerge
independently
each
ecotone,
we
studied
morphological
four
based
on
13
functional
traits.
account
for
different
selection
acting
sexes,
included
both
males
(
N
=
244)
females
222).
Nine
out
traits
showed
habitat‐divergence.
Traits
related
feeding
crawling
were
shorter,
while
oxygenation
larger
species.
Eleven
sexually
dimorphic.
females,
trait
swimming
was
males.
We
found
extent
sexual
dimorphism
differs
eight
sensing,
feeding,
crawling.
Additionally,
certain
sensing
oxygenation,
habitat‐related
differences
only
one
sex,
but
not
other.
conclude
detected
indicate
divergent
evolution,
where
similarities
among
within
habitat
type
convergent
evolution.
high
degree
paired
with
suggest
fecundity
selections
have
comparable
effects
selection.
Thus,
studies
habitat‐dependent
investigating
sex
only,
or
considering
dimorphism,
can
lead
erroneous
conclusions.
Language: Английский