A test for microbiome-mediated rescue via host phenotypic plasticity in Daphnia
Proceedings of the Royal Society B Biological Sciences,
Год журнала:
2025,
Номер
292(2044)
Опубликована: Апрель 1, 2025
Phenotypic
plasticity
is
a
primary
mechanism
by
which
organismal
phenotypes
shift
in
response
to
the
environment.
Host-associated
microbiomes
often
change
considerably
environmental
variation,
and
these
shifts
could
facilitate
host
phenotypic
plasticity,
adaptation,
or
rescue
populations
from
extinction.
However,
it
unclear
whether
changes
microbiome
composition
contribute
limiting
our
knowledge
of
underlying
mechanisms
and,
ultimately,
fate
inhabiting
changing
environments.
In
this
study,
we
examined
responses
20
genetically
distinct
Daphnia
magna
genotypes
exposed
non-toxic
toxic
diets
containing
Microcystis
,
cosmopolitan
cyanobacterium
common
stressor
for
Daphnia.
exhibited
significant
survival,
reproduction
population
growth
rates
upon
exposure
.
effects
on
were
limited,
with
effect
being
differences
abundance
observed
across
five
bacterial
families.
Moreover,
there
was
no
correlation
between
magnitude
plasticity.
Our
results
suggest
that
played
negligible
role
driving
microbiome-mediated
rescue.
Язык: Английский
Gut microbiota parallelism and divergence associated with colonisation of novel habitats
Molecular Ecology,
Год журнала:
2023,
Номер
32(20), С. 5661 - 5672
Опубликована: Сен. 16, 2023
An
organism's
gut
microbiota
can
change
in
response
to
novel
environmental
conditions,
particular
when
colonisation
of
new
habitats
is
accompanied
by
shifts
the
host
species'
ecology.
Here,
we
investigated
three
lizard
species
(A.
inornata,
H.
maculata
and
S.
cowlesi)
from
their
ancestral-like
habitat
Chihuahuan
desert
two
colonised
with
contrasting
geological
ecological
compositions:
White
Sands
Carrizozo
lava
flow.
The
lizards'
environment
both
shape
composition,
but
effects
were
overall
stronger.
Further,
found
evidence
that
same
independent
led
parallel
changes
microbiota,
whereas
distinct
environments
divergence.
Some
associated
diet
(based
on
information
previous
studies),
which
congruent
general
observation
trophic
ecology
has
a
strong
effect
composition.
Our
study
provides
insights
into
how
accompanying
affect
composition
diversity.
Язык: Английский
A test for microbiome-mediated rescue via host phenotypic plasticity inDaphnia
Опубликована: Авг. 15, 2024
Abstract
Phenotypic
plasticity
is
a
primary
mechanism
by
which
organismal
phenotypes
shift
in
response
to
the
environment.
Host-associated
microbiomes
often
exhibit
considerable
shifts
environmental
variation
and
these
could
facilitate
host
phenotypic
plasticity,
adaptation,
or
rescue
populations
from
extinction.
However,
it
unclear
how
much
microbiome
composition
contribute
limiting
our
knowledge
of
underlying
mechanisms
and,
ultimately,
fate
inhabiting
changing
environments.
In
this
study,
we
examined
responses
20
genetically
distinct
Daphnia
magna
clones
exposed
non-toxic
toxic
diets
containing
Microcystis
,
cosmopolitan
cyanobacteria
common
stressor
for
Daphnia.
exhibited
significant
survival,
reproduction,
population
growth
rates
exposure.
effects
exposure
on
were
limited,
with
effect
being
differences
abundance
observed
across
five
bacterial
families.
Moreover,
there
was
no
correlation
between
magnitude
plasticity.
Our
results
suggest
that
played
negligible
role
driving
microbiome-mediated
rescue.
One
sentence
summary
exhibits
individual
population-level
stressor,
yet
are
not
correlated
Язык: Английский
Quantifying (non)parallelism of gut microbial community change using multivariate vector analysis
Ecology and Evolution,
Год журнала:
2022,
Номер
12(12)
Опубликована: Дек. 1, 2022
Parallel
evolution
of
phenotypic
traits
is
regarded
as
strong
evidence
for
natural
selection
and
has
been
studied
extensively
in
a
variety
taxa.
However,
we
have
limited
knowledge
whether
parallel
host
organisms
accompanied
by
changes
their
associated
microbial
communities
(i.e.,
microbiotas),
which
are
crucial
hosts'
ecology
evolution.
Determining
the
extent
microbiota
parallelism
nature
can
improve
our
ability
to
identify
factors
that
with
(putatively
adaptive)
shifts
communities.
While
it
emphasized
(non)parallel
better
considered
quantitative
continuum
rather
than
binary
phenomenon,
approaches
rarely
used
study
parallelism.
We
advocate
using
multivariate
vector
analysis
change
analysis)
quantify
direction
magnitude
discuss
applicability
this
approach
studying
parallelism,
compiled
an
R
package
('multivarvector').
exemplify
its
use
reanalyzing
gut
data
from
multiple
fish
species
exhibit
trophic
ecology.
found
results
were
largely
consistent
other
statistical
methods,
estimates
not
affected
taxonomic
level
at
studied,
might
be
stronger
function
compared
composition.
This
provides
analytical
framework
comparisons
across
lineages,
thereby
providing
potential
advance
capacity
predict
changes.
Hence,
emphasize
development
application
measures,
such
analysis,
should
further
explored
research
order
understand
role
dynamics
during
adaptive
evolution,
particularly
settings
Язык: Английский
The effects of host ecology and phylogeny on gut microbiota (non)parallelism across birds and mammals
mSphere,
Год журнала:
2023,
Номер
8(6)
Опубликована: Дек. 1, 2023
What
are
the
roles
of
determinism
and
contingency
in
evolution?
The
paleontologist
evolutionary
biologist
Stephen
J.
Gould
raised
this
question
his
famous
thought
experiment
"replaying
life's
tape."
Settings
where
independent
lineages
have
repeatedly
adapted
to
similar
ecological
niches
(i.e.,
parallel
evolution)
well
suited
address
question.
Here,
we
quantified
whether
repeated
shifts
across
53
mammalian
50
avian
host
species
associated
with
gut
microbiota
changes.
Our
results
indicate
that
diet
greater
parallelism
more
deterministic).
While
further
research
will
be
necessary
obtain
a
comprehensive
picture
circumstances
under
which
deterministic
changes
might
expected,
our
study
can
instrumental
motivating
use
quantitative
methods
research.
This,
turn,
help
us
better
understand
dynamics
during
adaptive
evolution
their
hosts.
Язык: Английский