Cell Host & Microbe,
Journal Year:
2023,
Volume and Issue:
31(12), P. 2067 - 2079.e5
Published: Nov. 28, 2023
In
disease
ecology,
pathogen
transmission
among
conspecific
versus
heterospecific
hosts
is
known
to
shape
specialization
and
virulence,
but
we
do
not
yet
know
if
similar
effects
occur
at
the
microbiome
level.
We
tested
this
idea
by
experimentally
passaging
leaf-associated
microbiomes
either
within
or
across
plant
hosts.
Although
results
in
persistent
host-filtering
more
within-microbiome
network
connections,
weaker
higher
levels
of
interconnectivity.
When
transplanted
onto
novel
plants,
lines
are
less
differentiated
host
species
than
lines,
suggesting
a
shift
toward
generalism.
Finally,
from
tomato
exhibit
competitive
advantage
on
against
those
passaged
bean
pepper,
microbiome-level
specialization.
Overall,
find
that
mode
previous
history
diversity,
with
repeated
driving
promoting
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2023,
Volume and Issue:
290(2002)
Published: July 5, 2023
Fitness
equalizing
mechanisms,
such
as
trade-offs,
are
recognized
one
of
the
main
factors
promoting
species
coexistence
in
community
ecology.
However,
they
have
rarely
been
explored
microbial
communities.
Although
communities
highly
diverse,
their
multiple
taxa
is
largely
attributed
to
niche
differences
and
high
dispersal
rates,
following
principle
'everything
everywhere,
but
environment
selects'.
We
use
a
dynamical
stochastic
model
based
on
theory
island
biogeography
study
diverse
bacterial
over
time
across
three
different
systems
(soils,
alpine
lakes
shallow
saline
lakes).
Assuming
fitness
equalization
here
we
newly
analytically
derive
colonization-persistence
report
signal
trade-offs
natural
Moreover,
show
that
subsets
drive
this
trade-off.
Rare
taxa,
which
occasional
more
likely
follow
independent
colonization/extinction
dynamics,
trade-off
aquatic
communities,
while
core
sub-community
did
it
soils.
conclude
mechanisms
may
be
important
than
previously
Our
work
also
emphasizes
fundamental
value
models
for
understanding
temporal
patterns
processes
Cell Host & Microbe,
Journal Year:
2023,
Volume and Issue:
31(12), P. 2067 - 2079.e5
Published: Nov. 28, 2023
In
disease
ecology,
pathogen
transmission
among
conspecific
versus
heterospecific
hosts
is
known
to
shape
specialization
and
virulence,
but
we
do
not
yet
know
if
similar
effects
occur
at
the
microbiome
level.
We
tested
this
idea
by
experimentally
passaging
leaf-associated
microbiomes
either
within
or
across
plant
hosts.
Although
results
in
persistent
host-filtering
more
within-microbiome
network
connections,
weaker
higher
levels
of
interconnectivity.
When
transplanted
onto
novel
plants,
lines
are
less
differentiated
host
species
than
lines,
suggesting
a
shift
toward
generalism.
Finally,
from
tomato
exhibit
competitive
advantage
on
against
those
passaged
bean
pepper,
microbiome-level
specialization.
Overall,
find
that
mode
previous
history
diversity,
with
repeated
driving
promoting
