bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 16, 2025
Abstract
Mathematical
modeling
of
somatic
evolution,
a
process
impacting
both
host
cells
and
microbial
communities
in
the
human
body,
can
capture
important
dynamics
driving
carcinogenesis.
Here
we
considered
models
for
esophageal
adenocarcinoma
(EAC),
cancer
that
has
dramatically
increased
incidence
over
past
few
decades
Western
populations,
with
high
case
fatality
rates
due
to
late-stage
diagnoses.
Despite
advancements
genomic
analyses
precursor
Barrett’s
esophagus
(BE),
prevention
EAC
remains
significant
clinical
challenge.
Previous
microbiome
studies
BE
have
focused
on
quantifying
static
abundance
differences
rather
than
evolutionary
dynamics.
Using
whole
genome
sequencing
data
from
tissues,
first
applied
robust
bioinformatics
pipeline
extract
non-host
DNA
reads,
mapped
these
putative
reads
taxa,
retained
those
taxa
coverage.
When
applying
mathematical
evolution
sequential
stages
progression
EAC,
observed
evidence
neutral
community
assembly
within
normal
tissue
BE,
but
not
EAC.
In
case-control
study
patients
who
progressed
outcomes
(CO)
versus
had
non-cancer
(NCO)
during
follow-up
(mean=10.5
years),
found
Helicobacter
pylori
deviated
significantly
expectation
NCO,
suggesting
factors
related
H.
or
infection
itself
may
influence
risk.
Additionally,
simulations
incorporating
selection
recapitulated
non-neutral
behaviors
datasets.
Formally
holds
promise
applications
by
offering
deeper
understanding
involvement
development.
The
field
of
microbiome
research
has
evolved
rapidly
over
the
past
few
decades
and
become
a
topic
great
scientific
public
interest.
As
result
this
rapid
growth
in
interest
covering
different
fields,
we
are
lacking
clear
commonly
agreed
definition
term
"microbiome."
Moreover,
consensus
on
best
practices
is
missing.
Recently,
panel
international
experts
discussed
current
gaps
frame
European-funded
MicrobiomeSupport
project.
meeting
brought
together
about
40
leaders
from
diverse
areas,
while
more
than
hundred
all
world
took
part
an
online
survey
accompanying
workshop.
This
article
excerpts
outcomes
workshop
corresponding
embedded
short
historical
introduction
future
outlook.
We
propose
based
compact,
clear,
comprehensive
description
provided
by
Whipps
et
al.
1988,
amended
with
set
novel
recommendations
considering
latest
technological
developments
findings.
clearly
separate
terms
microbiota
provide
discussion
composition
microbiota,
heterogeneity
dynamics
microbiomes
time
space,
stability
resilience
microbial
networks,
core
microbiomes,
functionally
relevant
keystone
species
as
well
co-evolutionary
principles
microbe-host
inter-species
interactions
within
microbiome.
These
broad
definitions
suggested
unifying
concepts
will
help
to
improve
standardization
studies
future,
could
be
starting
point
for
integrated
assessment
data
resulting
transfer
knowledge
basic
science
into
practice.
Furthermore,
standards
important
solving
new
challenges
associated
anthropogenic-driven
changes
planetary
health,
which
understanding
might
play
key
role.
Video
Abstract.
Current Opinion in Microbiology,
Год журнала:
2019,
Номер
49, С. 50 - 58
Опубликована: Июнь 1, 2019
Core
microbiome
members
are
consistent
features
of
a
dataset
that
hypothesized
to
reflect
underlying
functional
relationships
with
the
host.
A
review
recent
plant-microbiome
literature
reveals
variety
study-specific
approaches
used
define
core,
which
presents
challenge
building
general
framework.
Abundance-occupancy
distributions,
in
macroecology
describe
changes
community
diversity
over
space,
offer
an
ecological
approach
for
prioritizing
core
membership
both
spatial
and
temporal
studies.
Additionally,
neutral
models
fit
abundance-occupancy
distributions
can
provide
insights
into
deterministically
selected
members.
We
examples
code
systematically
explore
plant
from
distributions.
Though
we
focus
on
discussions
relevant
microbiome,
method
be
widely
generally
applied
prioritize
any
microbiome.
Microbiological Research,
Год журнала:
2023,
Номер
271, С. 127368 - 127368
Опубликована: Март 22, 2023
Abiotic
stress
poses
a
severe
danger
to
agriculture
since
it
negatively
impacts
cellular
homeostasis
and
eventually
stunts
plant
growth
development.
stressors
like
drought
excessive
heat
are
expected
occur
more
frequently
in
the
future
due
climate
change,
which
would
reduce
yields
of
important
crops
maize,
wheat,
rice
may
jeopardize
food
security
human
populations.
The
microbiomes
varied
taxonomically
organized
microbial
community
that
is
connected
plants.
By
supplying
nutrients
water
plants,
regulating
their
physiology
metabolism,
microbiota
helps
plants
develop
tolerate
abiotic
stresses,
can
boost
crop
yield
under
stresses.
In
this
present
study,
with
emphasis
on
temperature,
salt,
stress,
we
describe
current
findings
how
stresses
impact
microbiomes,
microbe-microbe
interactions,
plant-microbe
interactions
as
way
microorganisms
affect
metabolism
plant.
We
also
explore
crucial
measures
must
be
taken
applying
practices
faced
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2023,
Номер
378(1876)
Опубликована: Март 20, 2023
Evolutionary
game
theory
is
a
truly
interdisciplinary
subject
that
goes
well
beyond
the
limits
of
biology.
Mathematical
minds
get
hooked
up
in
simple
models
for
evolution
and
often
gradually
move
into
other
parts
evolutionary
biology
or
ecology.
Social
scientists
realize
how
much
they
can
learn
from
thinking
transfer
insight
was
originally
generated
Computer
use
their
algorithms
to
explore
new
field
where
machines
not
only
environment,
but
also
each
other.
The
breadth
focus
on
few
very
popular
issues,
such
as
cooperation,
comes
at
price:
several
insights
are
re-discovered
different
fields
under
labels
with
heroes
modelling
traditions.
For
example,
reciprocity
spatial
structure
treated
differently.
Will
we
continue
develop
things
parallel?
Or
converge
single
set
ideas,
tradition
eventually
software
repository?
will
these
cross-fertilize
other,
learning
engaging
constructive
exchange
between
fields?
Ultimately,
popularity
rests
its
explanatory
power,
intuitive
character
models.
This
article
part
theme
issue
‘Half
century
games:
synthesis
theory,
application
future
directions’.
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2020,
Номер
375(1798), С. 20190251 - 20190251
Опубликована: Март 23, 2020
Phylosymbiosis,
where
similarities
in
host-associated
microbial
communities
recapitulate
the
phylogeny
of
their
hosts,
is
a
newly
recognized
yet
pervasive
pattern
field
host–microbe
interactions.
While
phylosymbiosis
has
been
documented
across
many
systems,
we
still
have
poor
understanding
mechanisms
that
underlie
this
emergent
pattern.
Host
selection
microbiome
widely
cited
mechanism,
other
basic
ecological
and
evolutionary
processes
(dispersal,
drift
diversification)
may
also
be
at
play.
This
paper
discusses
roles
each
these
interactions
play
yielding
phylosymbiotic
signals
hosts.
Finally,
will
identify
open
questions
methods
are
required
to
better
understand
relative
contributions
phylosymbiosis.
Given
shown
relate
functional
components
host
fitness,
contribute
patterns
important
for
our
ecology
evolution
article
part
theme
issue
‘Conceptual
challenges
community
ecology’.
Marine
invertebrates
often
host
diverse
microbial
communities,
making
it
difficult
to
identify
important
symbionts
and
understand
how
these
communities
are
structured.
This
complexity
has
also
made
challenging
assign
functions
unravel
the
myriad
of
interactions
among
microbiota.
Here
we
propose
address
issues
by
applying
evidence
from
model
systems
host-microbe
coevolution
complex
marine
invertebrate
microbiomes.
Coevolution
is
reciprocal
adaptation
one
lineage
in
response
another
can
occur
through
interaction
a
its
beneficial
symbiont.
A
classic
indicator
codivergence
microbe,
this
found
both
corals
sponges.
Metabolic
collaboration
between
microbe
linked
appears
likely
holobionts,
where
interact
with
cells
production
degradation
metabolic
compounds.
Neutral
models
useful
distinguish
selected
microbes
against
background
population
consisting
predominately
random
associates.
Enhanced
understanding
their
urgently
required
as
coral
reefs
face
unprecedented
local
global
pressures
active
restoration
approaches,
including
manipulation
microbiome,
proposed
improve
health
tolerance
reef
species.
On
basis
detailed
review
literature,
three
research
criteria
for
examining
invertebrates:
(i)
identifying
stochastic
deterministic
components
(ii)
assessing
(iii)
confirming
intimate
association
based
on
shared
function.
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2020,
Номер
375(1808), С. 20190589 - 20190589
Опубликована: Авг. 9, 2020
Host-associated
microbiomes
influence
their
host's
fitness
in
myriad
ways
and
can
be
viewed
as
a
source
of
phenotypic
plasticity.
This
plasticity
may
allow
the
host
to
accommodate
novel
environmental
challenges
thus
evolutionary
adaptation.
As
with
other
modalities
phenomena
such
Baldwin
effect
genetic
assimilation,
microbiome-mediated
adaptation
by
facilitating
accelerating
it,
slowing
it
down,
or
even
preventing
it.
The
dynamics
involved
are
likely
more
complex
than
those
previously
studied
related
plasticity,
involve
different
processes
on
each
time
scale,
acquired
recognition
newly
associated
microbes
immune
system
single-
multiple-generation
scales,
selection
transmission
between
hosts,
acting
longer
scales.
To
date,
is
unclear
if
how
any
these
shape
evolution.
opinion
piece
article
provides
conceptual
framework
for
considering
which
directs
evolution
concludes
suggestions
key
experimental
tests
presented
ideas.
part
theme
issue
'The
role
microbiome
evolution'.
Proceedings of the National Academy of Sciences,
Год журнала:
2021,
Номер
118(47)
Опубликована: Ноя. 19, 2021
Significance
Understanding
the
factors
that
sculpt
gut
microbial
communities
in
mammals
is
of
great
interest.
Here,
we
studied
a
diverse
clade
herbivorous
rodents
(woodrats,
Neotoma
)
with
variable
but
well-characterized
diets
and
habitats
to
quantify
relative
contributions
host
genetics,
geography,
diet,
alongside
neutral
processes,
structuring
microbiome
under
natural
controlled
conditions.
While
diet
geography
made
significant
structure,
phylogeny
explained
greatest
proportion
observed
variation.
Provision
common
captivity
altered
communities,
from
different
species
varying
their
resistance
this
perturbation.
Captivity
increased
amount
variation
by
phylogeny,
further
emphasizing
extent
which
genetics
structure
mammalian
microbiomes.
Applied and Environmental Microbiology,
Год журнала:
2020,
Номер
86(8)
Опубликована: Фев. 4, 2020
A
growing
number
of
studies
have
examined
variation
in
the
microbiome
to
determine
role
modulating
host
health,
physiology,
and
ecology.
However,
ecology
microbial
colonization
is
not
fully
understood
rarely
tested.
The
continued
increase
production
farmed
Atlantic
salmon,
coupled
with
increased
farmed-wild
salmon
interactions,
has
accentuated
need
unravel
potential
adaptive
function
distinguish
resident
from
transient
gut
microbes.
Between
compartments
a
system,
we
found
majority
operational
taxonomic
units
(OTUs)
that
fit
neutral
model,
Mycoplasma
species
among
key
exceptions.
In
wild
fish,
deterministic
processes
account
for
more
OTU
differences
across
life
stages
than
those
observed
compartments.
Unlike
previous
studies,
our
results
make
detailed
comparisons
between
fish
environments,
while
also
providing
insight
into
ecological
underpinning
community
assembly
this
ecologically
economically
important
species.