PLoS Genetics,
Journal Year:
2022,
Volume and Issue:
18(5), P. e1010206 - e1010206
Published: May 23, 2022
It
is
becoming
increasingly
clear
that
microbial
symbionts
influence
key
aspects
of
their
host’s
fitness,
and
vice
versa
.
This
may
fundamentally
change
our
thinking
about
how
microbes
hosts
interact
in
influencing
fitness
adaptation
to
changing
environments.
Here
we
explore
reductions
population
size
commonly
experienced
by
threatened
species
microbiome
diversity.
Consequences
such
are
normally
interpreted
terms
a
loss
genetic
variation,
increased
inbreeding
associated
depression.
However,
effects
bottlenecks
might
also
be
mediated
through
diversity,
as
functionally
important
microbes.
utilise
50
Drosophila
melanogaster
lines
with
different
histories
these
questions.
The
were
phenotyped
for
egg-to-adult
viability
genomes
sequenced
estimate
variation.
bacterial
16S
rRNA
gene
was
amplified
investigate
We
found
1)
host
constrained
richness
2)
core
microbiomes
low
variation
constituted
from
subsets
flies
higher
3)
both
diversity
contributed
4)
connectivity
robustness
networks
the
inbred
regardless
5)
reduced
weaker
evolutionary
responses
stressful
environments,
6)
unrelated
Wolbachia
density.
These
findings
suggest
reduce
hologenomic
(combined
variation).
Thus,
while
current
biodiversity
crisis
focuses
on
sizes
eukaryotes,
an
additional
focal
point
should
carried
which
turn
adaptability
consequences
persistence
populations.
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2020,
Volume and Issue:
287(1922), P. 20192900 - 20192900
Published: March 4, 2020
Phylosymbiosis
was
recently
formulated
to
support
a
hypothesis-driven
framework
for
the
characterization
of
new,
cross-system
trend
in
host-associated
microbiomes.
Defining
phylosymbiosis
as
‘microbial
community
relationships
that
recapitulate
phylogeny
their
host’,
we
review
relevant
literature
and
data
last
decade,
emphasizing
frequently
used
methods
regular
patterns
observed
analyses.
Quantitative
is
provided
by
statistical
evaluating
higher
microbiome
variation
between
host
species
than
within
species,
topological
similarities
dendrogram,
positive
association
genetic
beta
diversity.
Significant
degrees
are
prevalent,
but
not
universal,
microbiomes
plants
animals
from
terrestrial
aquatic
habitats.
Consistent
with
natural
selection
shaping
phylosymbiosis,
transplant
experiments
demonstrate
reduced
performance
and/or
fitness
upon
host–microbiome
mismatches.
Hybridization
can
also
disrupt
phylosymbiotic
cause
hybrid
pathologies.
The
pervasiveness
carries
several
important
implications
advancing
knowledge
eco-evolutionary
processes
impact
interactions
future
applications
precision
microbiology.
Important
steps
will
be
examine
beyond
bacterial
communities,
apply
evolutionary
modelling
an
increasingly
sophisticated
understanding
unravel
microbial
mechanisms
contribute
pattern.
This
serves
gateway
experimental,
conceptual
quantitative
themes
outlines
opportunities
ripe
investigation
diversity
disciplines.
Frontiers in Microbiology,
Journal Year:
2020,
Volume and Issue:
11
Published: March 10, 2020
Temperature
is
a
prominent
abiotic
environmental
variable
that
drives
the
adaptive
trajectories
of
animal
lineages
and
structures
composition
communities.
Global
temperature
regimes
are
expected
to
undergo
rapid
shifts
in
next
century,
yet
for
many
taxa
we
lack
an
understanding
consequences
these
predicted
populations.
In
this
review,
synthesize
recent
evidence
variation
shapes
function
gut
microbiomes,
key
regulators
host
physiology,
with
potential
population
responses
climate
change.
Several
studies
spanning
range
taxa,
including
Chordata,
Arthropoda,
Mollusca,
have
reported
repeatable
associations
between
community
microbiome.
several
cases,
same
microbiome
been
observed
across
distantly
related
suggesting
existence
conserved
mechanisms
underlying
temperature-induced
plasticity.
Extreme
temperatures
can
disrupt
stability
alpha-diversity
within
microbiomes
individual
hosts
generate
beta-diversity
among
Microbiome
states
resulting
from
extreme
associated,
some
cases
causally
linked,
both
beneficial
deleterious
effects
on
phenotypes.
We
propose
routes
by
which
changes
may
impact
fitness,
colonization
resistance
gut,
energy
nutrient
assimilation,
life
history
traits.
Cumulatively,
available
data
indicate
disruption
be
mechanism
changing
will
fitness
wild-living
Science,
Journal Year:
2022,
Volume and Issue:
375(6586)
Published: March 17, 2022
Direct
observation
of
evolution
in
response
to
natural
environmental
change
can
resolve
fundamental
questions
about
adaptation,
including
its
pace,
temporal
dynamics,
and
underlying
phenotypic
genomic
architecture.
We
tracked
the
fitness-associated
phenotypes
allele
frequencies
genome-wide
10
replicate
field
populations
Drosophila
melanogaster
over
generations
from
summer
late
fall.
Adaptation
was
evident
each
sampling
interval
(one
four
generations),
with
exceptionally
rapid
adaptation
large
frequency
shifts
at
many
independent
loci.
The
direction
basis
adaptive
shifted
repeatedly
time,
consistent
action
strong
rapidly
fluctuating
selection.
Overall,
we
found
clear
evidence
tracking
occurring
contemporaneously
change,
thus
demonstrating
temporally
dynamic
nature
adaptation.
To
advance
our
understanding
of
adaptation
to
temporally
varying
selection
pressures,
we
identified
signatures
seasonal
occurring
in
parallel
among
Drosophila
melanogaster
populations.
Specifically,
estimated
allele
frequencies
genome-wide
from
flies
sampled
early
and
late
the
growing
season
20
widely
dispersed
We
frequency
shifts
across
North
America
Europe,
demonstrating
that
is
a
general
phenomenon
temperate
fly
Seasonally
fluctuating
polymorphisms
are
enriched
large
chromosomal
inversions,
find
broad
concordance
between
spatial
change.
The
direction
change
at
seasonally
variable
can
be
predicted
by
weather
conditions
weeks
prior
sampling,
linking
environment
genomic
response
selection.
Our
results
suggest
an
important
evolutionary
force
affecting
patterns
genetic
variation
.
npj Science of Food,
Journal Year:
2023,
Volume and Issue:
7(1)
Published: June 5, 2023
Abstract
The
concept
of
probiotics
is
witnessing
increasing
attention
due
to
its
benefits
in
influencing
the
host
microbiome
and
modulation
immunity
through
strengthening
gut
barrier
stimulation
antibodies.
These
benefits,
combined
with
need
for
improved
nutraceuticals,
have
resulted
extensive
characterization
leading
an
outburst
data
generated
using
several
‘omics’
technologies.
recent
development
system
biology
approaches
microbial
science
paving
way
integrating
from
different
omics
techniques
understanding
flow
molecular
information
one
level
other
clear
on
regulatory
features
phenotypes.
limitations
tendencies
a
‘single
omics’
application
ignore
influence
processes
justify
‘multi-omics’
selections
action
host.
Different
techniques,
including
genomics,
transcriptomics,
proteomics,
metabolomics
lipidomics,
used
studying
their
are
discussed
this
review.
Furthermore,
rationale
multi-omics
integration
platforms
supporting
analyses
was
also
elucidated.
This
review
showed
that
useful
selecting
functions
microbiome.
Hence,
recommend
approach
holistically
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2024,
Volume and Issue:
379(1901)
Published: March 18, 2024
Millions
of
years
co-evolution
between
animals
and
their
associated
microbial
communities
have
shaped
diversified
the
nature
relationship.
Studies
continue
to
reveal
new
layers
complexity
in
host–microbe
interactions,
fate
which
depends
on
a
variety
different
factors,
ranging
from
neutral
processes
environmental
factors
local
dynamics.
Research
is
increasingly
integrating
ecosystem-based
approaches,
metagenomics
mathematical
modelling
disentangle
individual
contribution
ecological
microbiome
evolution.
Within
this
framework,
host
are
known
be
among
dominant
drivers
composition
animal
species.
However,
extent
they
shape
assembly
evolution
remains
unclear.
In
review,
we
summarize
our
understanding
how
drive
these
dynamics
conserved
vary
across
taxa.
We
conclude
by
outlining
key
avenues
for
research
highlight
need
implementation
modifications
existing
theory
fully
capture
host-associated
microbiomes.
This
article
part
theme
issue
‘Sculpting
microbiome:
determine
respond
colonization’.
iScience,
Journal Year:
2020,
Volume and Issue:
23(8), P. 101414 - 101414
Published: July 25, 2020
From
ontogenesis
to
homeostasis,
the
phenotypes
of
complex
organisms
are
shaped
by
bidirectional
interactions
between
host
and
their
associated
microbiota.
Current
technology
can
reveal
many
such
combining
multi-omic
data
from
both
hosts
microbes.
However,
exploring
full
extent
these
requires
careful
consideration
study
design
for
efficient
generation
optimal
integration
derived
(meta)genomics,
(meta)transcriptomics,
(meta)proteomics,
(meta)metabolomics.
In
this
perspective,
we
introduce
holo-omic
approach
that
incorporates
microbiota
domains
untangle
interplay
two.
We
revisit
recent
literature
on
biomolecular
host-microbe
discuss
implementation
current
limitations
approach.
anticipate
application
contribute
opening
new
research
avenues
discoveries
in
biomedicine,
biotechnology,
agricultural
aquacultural
sciences,
nature
conservation,
as
well
basic
ecological
evolutionary
research.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2020,
Volume and Issue:
375(1808), P. 20190604 - 20190604
Published: Aug. 9, 2020
Microorganismal
diversity
can
be
explained
in
large
part
by
selection
imposed
from
both
the
abiotic
and
biotic
environments,
including-in
case
of
host-associated
microbiomes-interactions
with
eukaryotes.
As
such,
microbiomes
usefully
studied
across
a
variety
scales:
within
single
host
over
time,
among
genotypes
population,
between
populations
species.
A
plethora
recent
studies
these
scales
diverse
systems
are:
(i)
exemplifying
importance
genetics
shaping
microbiome
composition;
(ii)
uncovering
role
key
phenotypes;
(iii)
highlighting
dynamic
nature
microbiome.
They
have
also
raised
critical
question:
do
complex
associations
fit
our
existing
understanding
evolution
coevolution,
or
often
intimate
seemingly
cross-generational
interactions
follow
novel
evolutionary
rules
those
previously
identified?
Herein,
we
describe
known
(co)evolution
host-microbiome
systems,
placing
data
extant
frameworks
that
been
developed
decades
study,
ask
whether
there
are
unique
properties
require
paradigm
shift.
By
examining
when
how
act
on
its
as
unit
(termed,
holobiont),
find
conceptual
framework,
which
focuses
individuals,
well
individuals
groups,
is
generally
suited
for
(co)evolutionary
change
assemblages.
This
article
theme
issue
'The
evolution'.
Science,
Journal Year:
2020,
Volume and Issue:
370(6521)
Published: Dec. 4, 2020
Getting
to
the
guts
of
local
evolution
The
microbiota
mammals
is
a
product
coevolution.
However,
humans
exhibit
range
adaptive
peculiarities
that
can
be
quite
geographically
specific.
human
also
displays
variety
community
compositions
and
overlapping
redundant
metabolic
characteristics
alter
host
physiology.
For
example,
lactase
persistence
genetic
characteristic
European
populations,
but
in
populations
lacking
gene,
milk
sugar
digestion
endowed
by
instead.
Suzuki
Ley
review
evidence
for
role
plays
adaptation
new
changing
circumstances.
Science
,
this
issue
p.
eaaz6827