Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Nov. 20, 2024
Drought
is
one
of
the
most
serious
abiotic
stresses,
and
emerging
evidence
suggest
plant
microbiome
affects
drought
tolerance.
However,
there
a
lack
genetic
regarding
whether
how
plants
orchestrate
dynamic
assembly
upon
drought.
By
utilizing
mutants
with
enhanced
or
decreased
root
hair
densities,
we
find
that
regulators
also
affect
induced
changes.
Rhizobiaceae
key
biomarker
taxa
affected
by
related
mutants.
We
isolated
sequenced
1479
associated
microbes,
confirmed
several
Rhizobium
strains
presented
stress-alleviating
activities.
Metagenome,
transcriptome
metabolome
studies
further
reveal
multi-omic
changes
stress.
knocked
out
an
ornithine
cyclodeaminase
(ocd)
gene
in
sp.
4F10,
which
significantly
dampens
its
stress
alleviating
ability.
Our
integrated
multi-omics
confirm
involvement
host
effects
reshaping
during
drought,
provide
mechanistic
insights
into
mediated
protection.
Plant
confers
fitness
benefits
integrating
genetic,
microbial
approaches,
this
work
reveals
critical
role
developmental
shaping
microbiome.
Microbial Biotechnology,
Journal Year:
2023,
Volume and Issue:
16(12), P. 2250 - 2263
Published: Oct. 14, 2023
Abstract
Species
of
the
genus
Bacillus
have
been
widely
used
for
biocontrol
plant
diseases
in
demand
sustainable
agricultural
development.
New
mechanisms
underlying
activity
revealed
with
development
microbiome
and
microbe‐plant
interaction
research.
In
this
review,
we
first
briefly
introduce
typical
mechanisms,
such
as
production
antimicrobial
compounds,
competition
niches/nutrients,
induction
systemic
resistance.
Then,
discussed
detail
new
pathogen
quorum
sensing
interference
reshaping
soil
microbiota.
The
“cry
help”
mechanism
was
also
introduced,
which
plants
can
release
specific
signals
under
attack
to
recruit
root
colonization
against
invasion.
Finally,
two
emerging
strategies
enhancing
efficacy
agents,
including
construction
synthetic
microbial
consortia
application
rhizosphere‐derived
prebiotics,
were
proposed.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: June 15, 2024
Abstract
The
plant
health
status
is
determined
by
the
interplay
of
plant-pathogen-microbiota
in
rhizosphere.
Here,
we
investigate
this
tripartite
system
focusing
on
pathogen
Fusarium
oxysporum
f.
sp.
lycopersici
(FOL)
and
tomato
plants
as
a
model
system.
First,
explore
differences
genotype
resistance
to
FOL
potentially
associated
with
differential
recruitment
plant-protective
rhizosphere
taxa.
Second,
show
production
fusaric
acid
trigger
systemic
changes
microbiota.
Specifically,
molecule
have
opposite
effects
disease-suppressive
taxa
resistant
susceptible
genotypes.
Last,
elucidate
that
induce
root
exudation
direct
specific
Our
study
unravels
mechanism
mediating
assembly
disease
suppression
integrating
physiological
responses
microbial-mediated
mechanisms
The ISME Journal,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Jan. 1, 2024
Abstract
Natural
ecosystems
harbor
a
huge
reservoir
of
taxonomically
diverse
microbes
that
are
important
for
plant
growth
and
health.
The
vast
diversity
soil
microorganisms
their
complex
interactions
make
it
challenging
to
pinpoint
the
main
players
life
support
functions
can
provide
plants,
including
enhanced
tolerance
(a)biotic
stress
factors.
Designing
simplified
microbial
synthetic
communities
(SynComs)
helps
reduce
this
complexity
unravel
molecular
chemical
basis
interplay
specific
microbiome
functions.
While
SynComs
have
been
successfully
employed
dissect
or
reproduce
microbiome-associated
phenotypes,
assembly
reconstitution
these
often
based
on
generic
abundance
patterns
taxonomic
identities
co-occurrences
but
only
rarely
informed
by
functional
traits.
Here,
we
review
recent
studies
designing
reveal
common
principles
discuss
multidimensional
approaches
community
design.
We
propose
strategy
tailoring
design
integration
high-throughput
experimental
assays
with
strains
computational
genomic
analyses
capabilities.
Microbiome,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: June 5, 2024
Abstract
Background
Plant
microbiota
contributes
to
plant
growth
and
health,
including
enhancing
resistance
various
diseases.
Despite
remarkable
progress
in
understanding
diseases
plants,
the
precise
role
of
rhizosphere
watermelon
against
soil-borne
remains
unclear.
Here,
we
constructed
a
synthetic
community
(SynCom)
16
core
bacterial
strains
obtained
from
grafted
plants.
We
further
simplified
SynCom
investigated
bacteria
with
synergistic
interactions
promoting
through
simple
community.
Results
Our
results
demonstrated
that
significantly
enhanced
disease
ungrafted
grown
non-sterile
soil.
Furthermore,
analysis
amplicon
metagenome
data
revealed
pivotal
Pseudomonas
as
evidenced
by
significant
increase
relative
abundance
biofilm-forming
pathways
post-SynCom
inoculation.
Based
on
vitro
co-culture
experiments
metabolomic
analysis,
selected
along
seven
other
members
exhibited
effects
.
It
enabled
us
refine
initially
into
comprising
eight
species.
Notably,
plant-promoting
were
similar
those
initial
SynCom.
protected
plants
bacteria.
Conclusions
findings
suggest
proliferate
mitigate
microbial
interactions,
highlighting
potential
between
microorganisms
health.
This
study
provides
novel
insight
using
functional
promising
solution
for
sustainable
agriculture.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
Despite
advances
in
dispersal
mechanisms
and
risk
assessment
of
antibiotic
resistance
genes
(ARGs),
how
plants
influence
ARG
contamination
agricultural
soils
remains
underexplored.
Here,
the
impacts
plant
species
diversity
on
ARGs
mobile
genetic
elements
(MGEs)
three
are
comprehensively
investigated
a
pot
experiment.
The
results
indicate
that
increased
reduces
MGEs
abundance
by
19.2%–51.2%,
whereas
exhibit
inconsistent
soil‐dependent
effects.
Potential
bacterial
hosts
harboring
abundant
have
greater
relative
than
nonhosts,
both
their
richness
cumulative
reduced
diversity.
Notably,
inhibited
present
other
hosts.
enriched
compounds
root
exudates
due
to
play
more
important
role
metabolic
network
contribute
rebalancing
potential
nonhosts.
An
independent
test
using
pure
organics
reveals
higher
resource
diversity,
resulting
from
mobility
high‐risk
ARGs.
This
study
highlights
resource‐mediated
mitigation
risks
posed
indicates
ensuring
is
promising
strategy
for
controlling
agroecosystems.
Microbiome,
Journal Year:
2023,
Volume and Issue:
11(1)
Published: Sept. 29, 2023
Abstract
Background
Plant-beneficial
bacterial
inoculants
are
of
great
interest
in
agriculture
as
they
have
the
potential
to
promote
plant
growth
and
health.
However,
inoculation
rhizosphere
microbiome
often
results
a
suboptimal
or
transient
colonization,
which
is
due
variety
factors
that
influence
fate
inoculant.
To
better
understand
plant-beneficial
complex
microbiomes,
composed
by
hundreds
genotypes
multifactorial
selection
mechanisms,
controlled
studies
with
high-complexity
soil
microbiomes
needed.
Results
We
analysed
early
compositional
changes
taxa-rich
natural
community
under
both
exponential
nutrient-rich
stationary
nutrient-limited
conditions
(i.e.
growing
stable
communities,
respectively)
following
bacterium
Pseudomonas
protegens
bulk
wheat
environment.
P.
successfully
established
all
tested
was
more
abundant
community.
Nutrient
availability
major
factor
driving
composition
structure
well
underlying
assembly
processes.
While
access
nutrients
resulted
communities
assembled
mainly
homogeneous
selection,
stochastic
processes
dominated
nutrient-deprived
conditions.
also
observed
an
increased
effect
conditions,
resulting
higher
number
amplicon
sequence
variants
(ASVs)
whose
relative
abundance
enriched.
The
produced
discrete
changes,
some
involved
other
.
Direct
competition
between
strains
partially
failed
replicate
differences
pointed
interaction
network.
Conclusions
this
study
show
nutrient
force
composition,
diversity
determines
govern
development.
successful
establishment
inoculant
facilitated
among
members
microbiome.
only
explained
indicating
indirect
interactions
spatial
distribution
interface
may
be
crucial
for
survival
certain
bacteria.
Journal of Experimental Botany,
Journal Year:
2023,
Volume and Issue:
75(5), P. 1289 - 1313
Published: Nov. 9, 2023
Abstract
Advances
in
high
throughput
omics
techniques
provide
avenues
to
decipher
plant
microbiomes.
However,
there
is
limited
information
on
how
integrated
informatics
can
help
deeper
insights
into
plant–microbe
interactions
a
concerted
way.
Integrating
multi-omics
datasets
transform
our
understanding
of
the
microbiome
from
unspecified
genetic
influences
interacting
species
specific
gene-by-gene
interactions.
Here,
we
highlight
recent
progress
and
emerging
strategies
crop
research
review
key
aspects
integration
host
microbial
omics-based
be
used
comprehensive
outline
complex
crop–microbe
We
describe
these
technological
advances
have
helped
unravel
crucial
genes
pathways
that
control
beneficial,
pathogenic,
commensal
identify
knowledge
gaps
synthesize
current
limitations
approaches.
studies
which
multi-omics-based
approaches
led
improved
models
community
structure
function.
Finally,
recommend
holistic
integrating
achieve
precision
efficiency
data
analysis,
for
biotic
abiotic
stress
contribution
microbiota
shaping
fitness.