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
Freshwater Biology,
Journal Year:
2023,
Volume and Issue:
68(2), P. 173 - 190
Published: Jan. 31, 2023
Abstract
We
review
progress
in
our
understanding
of
the
importance
waterbirds
as
dispersal
vectors
other
organisms,
and
identify
priorities
for
further
research.
Waterbirds
are
excellent
long‐distance
(LDD),
whereas
such
fish
mammals
disperse
similar
propagules,
but
over
shorter
distances.
Empirical
studies
internal
external
transport
by
have
shown
that
former
mechanism
generally
is
more
important.
Internal
widely
recognised
aquatic
plants
invertebrates
with
resting
eggs,
also
important
organisms
(e.g.,
terrestrial
flowering
not
dispersed
frugivores,
bryophytes,
tardigrades,
eggs).
Waterbird
habitats,
provide
connectivity
across
terrestrial–aquatic
boundaries.
There
differences
roles
different
waterbird
species,
especially
those
using
habitats
along
aquatic–terrestrial
gradient.
Early
attempts
to
predict
zoochory
based
on
propagule
morphology
been
found
wanting,
research
needed
into
how
traits
vectored
(including
life
history,
dormancy
growth
traits)
explain
interactions.
Experimental
focused
potential
propagules
survive
or
transport,
factors
determining
establishment
success
after
lacking.
Recent
spatially
explicit
models
seed
should
be
expanded
include
invertebrate
dispersal,
compare
multiple
bird
species
same
landscape.
Network
approaches
applied
plant–waterbird
interactions,
these
invertebrates.
Genetic
support
effective
LDD
flyways,
there
remains
a
lack
examples
at
local
scale.
Next
Generation
Sequencing
genomics
waterbird‐mediated
More
biogeography,
community
ecology,
population
genetics
integrate
movements
design
stage.
Zoochory
has
paid
little
attention
non‐pathogenic
microbes
(both
eukaryotic
prokaryotic).
Nevertheless,
evidence
via
avian
guts
can
central
microbial
metacommunities.
work
explore
its
implications
biogeochemistry,
interchange
gut
flora
organisms.
In
Anthropocene,
role
migratory
particularly
important,
example
compensating
loss
large
fish,
allowing
native
adjust
their
distributions
under
global
warming,
spreading
alien
flyways
initial
introductions
human
vectors.
technological
advances
opened
exciting
opportunities
fully
exploited
waterbirds.
Proceedings of the National Academy of Sciences,
Journal Year:
2025,
Volume and Issue:
122(11)
Published: March 10, 2025
The
long-term
success
of
introduced
populations
depends
on
both
their
initial
size
and
ability
to
compete
against
existing
residents,
but
it
remains
unclear
how
these
factors
collectively
shape
colonization
dynamics.
Here,
we
investigate
population
(propagule)
shapes
the
outcome
community
coalescence
by
systematically
mixing
eight
pairs
in
vitro
microbial
communities
at
ratios
that
vary
over
six
orders
magnitude,
compare
our
results
neutral
ecological
theory.
Although
composition
resulting
cocultures
deviated
substantially
from
expectations,
each
coculture
contained
species
whose
relative
abundance
depended
propagule
even
after
~40
generations
growth.
Using
a
consumer–resource
model,
show
this
dose-dependent
can
arise
when
resident
have
high
niche
overlap
consume
shared
resources
similar
rates.
Strain
isolates
displayed
longer-lasting
dose
dependence
into
diverse
than
pairwise
cocultures,
consistent
with
model’s
prediction
should
larger,
more
persistent
effects
communities.
Our
model
also
successfully
predicted
resource-utilization
profiles,
as
inferred
growth
spent
media
untargeted
metabolomics,
would
stronger
coculture.
This
work
demonstrates
transient,
dynamics
emerge
resource
competition
exert
outcomes
coalescence.
Journal of Ecology,
Journal Year:
2023,
Volume and Issue:
111(9), P. 1832 - 1843
Published: May 17, 2023
Abstract
I
asked
whether
Grime's
triangle
of
competitive,
stress
tolerance
and
ruderal
ecological
strategies—which
was
originally
developed
for
plants—applies
to
microbes.
conducted
a
synthesis
empirical
studies
that
tested
relationships
among
microbial
traits
presumed
define
the
ruderal,
other
strategies.
There
broad
support
triangle.
However,
strategies
were
inconsistently
linked
shifts
in
communities
under
environmental
changes
like
nitrogen
phosphorus
addition,
warming,
drought,
etc.
We
may
be
missing
important
more
closely
influence
community
composition
shifting
conditions.
need
start
by
documenting
response
conditions
at
fine
spatiotemporal
scales
relevant
can
then
develop
empirically
based
strategies,
rather
than
modifying
those
on
plant
ecology.
Synthesis
.
Microbes
appear
sort
into
similar
as
plants.
these
do
not
consistently
predict
how
will
shift
change.
By
starting
‘from
ground
up’,
we
able
delineate
