How
different
stress
responses
by
male
and
female
plants
are
influenced
interactions
with
rhizosphere
microbes
remains
unclear.
In
this
study,
we
employed
poplar
as
a
dioecious
model
plant
quantified
biotic
associations
between
microorganisms
to
explore
the
relationship
microbial
adaptation.
We
propose
health
index
(HI)
comprehensively
characterize
physiological
characteristics
adaptive
capacity
of
under
stress.
It
was
found
that
poplars
demonstrated
higher
salt
tolerance
than
females,
root-secreted
citric
acid
significantly
in
rhizospheres
poplars.
Positive
association
among
bacteria
increased
HI
stress,
while
fungal
cross-domain
(bacteria-fungi)
did
not.
further
identified
keystone
bacterial
taxon
regulating
association,
ASV_22706,
which
itself
regulated
positively
correlated
host
HI.
The
abundance
taxa
negatively
Compared
poplars,
enriched
more
prebiotics
probiotics
This
work
primarily
reveals
adaptation
differences
plants,
suggests
approach
improve
adaptability
conditions.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: June 1, 2024
Abstract
Engineering
natural
microbiomes
for
biotechnological
applications
remains
challenging,
as
metabolic
interactions
within
are
largely
unknown,
and
practical
principles
tools
microbiome
engineering
still
lacking.
Here,
we
present
a
combinatory
top-down
bottom-up
framework
to
engineer
the
construction
of
function-enhanced
synthetic
microbiomes.
We
show
that
application
herbicide
herbicide-degrader
inoculation
drives
convergent
succession
different
toward
functional
(e.g.,
enhanced
bioremediation
herbicide-contaminated
soils).
develop
modeling
pipeline,
SuperCC,
can
be
used
document
simulate
performances
Using
construct
bioremediation-enhanced
based
on
18
keystone
species
identified
from
Our
results
highlight
importance
in
shaping
functions
provide
guidance
Nature Microbiology,
Journal Year:
2024,
Volume and Issue:
9(3), P. 848 - 863
Published: Feb. 7, 2024
Engineered
microbial
consortia
often
have
enhanced
system
performance
and
robustness
compared
with
single-strain
biomanufacturing
production
platforms.
However,
few
tools
are
available
for
generating
co-cultures
of
the
model
key
industrial
host
Saccharomyces
cerevisiae.
Here
we
engineer
auxotrophic
overexpression
yeast
strains
that
can
be
used
to
create
through
exchange
essential
metabolites.
Using
these
as
modules,
engineered
two-
three-member
using
different
cross-feeding
architectures.
Through
a
combination
ensemble
modelling
experimentation,
explored
how
cellular
(for
example,
metabolite
strength)
environmental
initial
population
ratio,
density
extracellular
supplementation)
factors
govern
dynamics
in
systems.
We
tested
use
toolkit
division
labour
case
study
show
it
enables
tuneable
antioxidant
resveratrol
production.
expect
this
become
useful
resource
variety
applications
synthetic
ecology
biomanufacturing.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Sept. 17, 2024
Microbial
communities
exhibit
intricate
interactions
underpinned
by
metabolic
dependencies.
To
elucidate
these
dependencies,
we
present
a
workflow
utilizing
random
matrix
theory
on
metagenome-assembled
genomes
to
construct
co-occurrence
and
complementarity
networks.
We
apply
this
approach
temperature
gradient
hot
spring,
unraveling
the
interplay
between
thermal
stress
cooperation.
Our
analysis
reveals
an
increase
in
frequency
of
with
rising
temperatures.
Amino
acids,
coenzyme
A
derivatives,
carbohydrates
emerge
as
key
exchange
metabolites,
forming
foundation
for
syntrophic
which
commensalistic
take
greater
proportion
than
mutualistic
ones.
These
exchanges
are
most
prevalent
phylogenetically
distant
species,
especially
archaea-bacteria
collaborations,
crucial
adaptation
harsh
environments.
Furthermore,
identify
significant
positive
correlation
basal
metabolite
genome
size
disparity,
potentially
signifying
means
streamlined
leverage
cooperation
metabolically
richer
partners.
This
phenomenon
is
also
confirmed
another
composting
system
has
similar
wide
range
fluctuations.
provides
feasible
way
decipher
mechanisms
underlying
microbial
interactions,
our
findings
suggested
environmental
regulates
cooperative
strategies
thermophiles,
while
dependencies
have
been
hardwired
into
their
during
co-evolutions.
The ISME Journal,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Jan. 1, 2024
Microorganisms
colonizing
plant
roots
co-exist
in
complex,
spatially
structured
multispecies
biofilm
communities.
However,
little
is
known
about
microbial
interactions
and
the
underlying
spatial
organization
within
communities
established
on
roots.
Here,
a
well-established
four-species
model
(Stenotrophomonas
rhizophila,
Paenibacillus
amylolyticus,
Microbacterium
oxydans,
Xanthomonas
retroflexus,
termed
as
SPMX)
was
applied
to
Arabidopsis
study
impact
of
growth
community
dynamics
SPMX
co-culture
notably
promoted
root
development
biomass.
Co-cultured
increased
colonization
formed
biofilms,
structurally
different
from
those
by
monocultures.
By
combining
16S
rRNA
gene
amplicon
sequencing
fluorescence
situ
hybridization
with
confocal
laser
scanning
microscopy,
we
found
that
composition
significantly
changed
over
time.
Monoculture
P.
amylolyticus
colonized
poorly,
but
its
population
were
highly
enhanced
when
residing
biofilm.
Exclusion
reduced
overall
production
three
species,
resulting
loss
growth-promoting
effects.
Combined
analysis,
this
led
identification
keystone
species.
Our
findings
highlight
weak
colonizers
may
benefit
mutualistic
complex
hereby
become
important
species
impacting
function.
This
work
expands
knowledge
uncovering
interspecific
roots,
beneficial
for
harnessing
mutualism
promoting
growth.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 13, 2024
The
honeybee
gut
microbiome
is
crucial
for
degrading
diverse
pollen
glycans.
Yet
it
unclear
how
this
process
shapes
the
interactions
among
bacteria.
Here,
we
demonstrate
a
conditional
mutualistic
interaction
between
strains
of
two
bacteria
Bifidobacterium
asteroides
and
Gilliamella
apicola.
When
co-occurring
in
vitro
vivo,
provides
complementary
demethylation
service
to
promote
growth
on
methylated
homogalacturonan,
an
enriched
polysaccharide
pectin.
In
exchange,
shares
digestive
products
with
Bifidobacterium,
through
which
positive
established.
This
vanishes
when
not
required
non-methylated
diet.
Results
from
biochemical
gene
expression
analyses
combined
model
simulation
further
suggest
that
ratio
change
major
homogalacturonan
breakdown
products,
galacturonic
acid
(GalA)
di-GalA,
determines
bacterial
interaction.
study
unravels
glycan
metabolism
may
shape
Microbial
honey
bee
are
incompletely
understood.
authors
report
reciprocal
core
genera:
aids
pectin
backbone
enabling
its
by
Gilliamella;
return,
digestion
products.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 22, 2025
Active
matter,
from
motile
bacteria
to
animals,
can
exhibit
striking
collective
and
coherent
behavior.
Despite
significant
advances
in
understanding
the
behavior
of
homogeneous
systems,
little
is
known
about
self-organization
dynamics
heterogeneous
active
such
as
complex
diverse
bacterial
communities.
Under
oxygen
gradients,
many
species
swim
towards
air-liquid
interfaces
auto-organized,
directional
bioconvective
flows,
whose
spatial
scales
exceed
cell
size
by
orders
magnitude.
Here
we
show
that
multispecies
suspensions
undergoing
oxytactic-driven
bioconvection
dynamically
driven
segregation,
despite
enhanced
mixing
fact
these
coexist
their
natural
habitat.
Segregation
observed
patterns
spatially
interlocked
domains,
with
local
dominance
one
constituent
suspension.
Our
findings
suggest
segregation
mechanisms
are
species-specific
behaviors
under
conditions
hydrodynamic
flow,
rather
than
biochemical
repulsion.
Thus,
different
characteristics
same
ecological
context
enhance
access
limiting
resources.
This
work
provides
novel
insights
on
role
heterogeneity
well
microbial
communities,
organization
Heterogeneous
including
often
forms
environmental
yet
remain
poorly
understood.
study
reveals
enhancing
resource
coexistence
shared
habitats.
Natural Product Reports,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Co-culturing
may
provoke
the
biosynthesis
of
novel
natural
products.
However,
various
microbial
co-culture
techniques
also
boost
fermentation
titer,
yield
and
rate
known
products
–
we
review
current
progress
towards
such
a
goal.