npj Biofilms and Microbiomes,
Journal Year:
2025,
Volume and Issue:
11(1)
Published: April 8, 2025
Iron
bioavailability
is
often
limited
especially
in
calcareous
soils.
Trichoderma
harzianum
strongly
improves
plant
iron
uptake
and
growth
However,
little
known
about
the
mechanisms
by
which
T.
mobilizes
Here,
model
strain
NJAU4742
a
synthetic
microbial
community
(SynCom)
was
used
to
show
that
efficacy
of
enhancing
nutrition
soils
depends
on
soil
microbiome.
Enhanced
iron-mobilization
functions
SynCom
were
observed
presence
NJAU4742.
Concurrently,
improved
capacity
enriching
strains
are
able
do
so.
Finally,
Chryseobacterium
populi
identified
as
key
driver
mobilization,
while
their
synergistic
colonization
further
enhances
this
process.
This
study
unveils
pivotal
mechanism
NJAU4742-mediated
re-structuring
microbiome
ameliorates
nutrition.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Dec. 2, 2023
Plant-associated
microbiomes
contribute
to
important
ecosystem
functions
such
as
host
resistance
biotic
and
abiotic
stresses.
The
factors
that
determine
community
outcomes
are
inherently
difficult
identify
under
complex
environmental
conditions.
In
this
study,
we
present
an
experimental
analytical
approach
explore
microbiota
properties
relevant
for
a
microbiota-conferred
phenotype,
here
plant
protection,
in
reductionist
system.
We
screened
136
randomly
assembled
synthetic
communities
(SynComs)
of
five
bacterial
strains
each,
followed
by
classification
regression
analyses
well
empirical
validation
test
potential
explanatory
structure
composition,
including
evenness,
total
commensal
colonization,
phylogenetic
diversity,
strain
identity.
find
identity
be
the
most
predictor
pathogen
reduction,
with
machine
learning
algorithms
improving
performances
compared
random
classifications
(94-100%
versus
32%
recall)
non-modelled
predictions
(0.79-1.06
1.5
RMSE).
Further
confirms
three
main
drivers
reduction
two
additional
confer
protection
combination.
Beyond
specific
application
presented
our
provide
framework
can
adapted
help
features
function
other
biological
systems.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(11), P. 5659 - 5670
Published: March 5, 2024
Nitrogen
is
the
most
limiting
factor
in
crop
production.
Legumes
establish
a
symbiotic
relationship
with
rhizobia
and
enhance
nitrogen
fixation.
We
analyzed
1,624
rhizosphere
16S
rRNA
gene
samples
113
metagenomic
from
three
typical
legumes
non-legumes.
The
microbial
community
of
had
low
diversity
was
enriched
nitrogen-cycling
bacteria
(Sphingomonadaceae,
Xanthobacteraceae,
Rhizobiaceae,
Bacillaceae).
Furthermore,
microbiota
exhibited
high
abundance
nitrogen-fixing
genes,
reflecting
stronger
potential,
Streptomycetaceae
Nocardioidaceae
were
predominant
bacteria.
also
identified
helper
confirmed
through
metadata
analysis
pot
experiment
that
synthesis
riboflavin
by
key
promoting
Our
study
emphasizes
construction
synthetic
communities
crucial
for
development
efficient
fertilizers.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(2), P. 251 - 251
Published: Jan. 25, 2024
Clubroot
(Plasmodiophora
brassicae)
is
an
important
soilborne
disease
that
causes
severe
damage
to
cruciferous
crops
in
China.
This
study
aims
compare
the
differences
chemical
properties
and
microbiomes
between
healthy
clubroot-diseased
soils.
To
reveal
difference,
we
measured
soil
microbial
communities
by
sequencing
18S
16S
rRNA
amplicons.
The
available
potassium
diseased
soils
was
higher
than
fungal
diversity
significantly
Ascomycota
Proteobacteria
were
most
dominant
phylum
bacteria
all
samples,
respectively.
Plant-beneficial
microorganisms,
such
as
Chaetomium
Sphingomonas,
more
abundant
Co-occurrence
network
analysis
found
networks
complex
stable
link
number,
density,
clustering
coefficient
of
those
networks.
Our
results
indicate
community
structure
different
from
great
significance
exploring
biological
control
strategies
clubroot
disease.
Microbiome,
Journal Year:
2025,
Volume and Issue:
13(1)
Published: Jan. 24, 2025
Seed-associated
microorganisms
play
crucial
roles
in
maintaining
plant
health
by
providing
nutrients
and
resistance
to
biotic
abiotic
stresses.
However,
their
functions
seed
germination
disease
remain
poorly
understood.
In
this
study,
we
investigated
the
microbial
community
assembly
features
functional
profiles
of
spermosphere
endosphere
microbiomes
related
germinated
ungerminated
seeds
Astragalus
mongholicus
using
amplicon
shotgun
metagenome
sequencing
techniques.
Additionally,
aimed
elucidate
relationship
between
beneficial
through
both
vitro
vivo
pot
experiments.
Our
findings
revealed
that
significantly
enhances
diversity
communities
associated
with
seeds.
This
increase
is
driven
environmental
ecological
niche
differentiation,
leading
enrichment
potentially
probiotic
bacteria
such
as
Pseudomonas
Pantoea.
Conversely,
Fusarium
was
consistently
enriched
The
co-occurrence
network
patterns
within
presented
distinct
structures.
Notably,
exhibit
more
complex
interconnected
networks,
particularly
for
bacterial
interactions
fungi.
Metagenome
analysis
showed
soil
had
pathogen
inhibition
cellulose
degradation.
Through
a
combination
culture-dependent
experiments,
identified
solani
pathogen.
Consistent
analysis,
experiments
further
demonstrated
degradation
could
promote
vigor.
Specifically,
Paenibacillus
sp.
enhanced
A.
growth.
study
dynamics
seed-associated
during
confirmed
role
promoting
suppressing
pathogens
degrading
cellulose.
offers
mechanistic
understanding
how
facilitate
successful
germination,
highlighting
potential
leveraging
these
health.
Molecular Plant Pathology,
Journal Year:
2024,
Volume and Issue:
25(2)
Published: Feb. 1, 2024
Abstract
Plant
diseases
are
a
major
threat
affecting
the
sustainability
of
global
agriculture.
Although
breeding
new
resistant
cultivars
is
considered
to
be
primary
approach
prevent
and
control
plant
diseases,
it
dependent
on
an
in‐depth
understanding
plant–pathogen
interactions.
At
present,
we
have
interactions
between
model
plants
pathogens,
such
as
Arabidopsis
thaliana
rice,
but
still
in
beginning
stage
for
more
non‐model
(e.g.,
medicinal
plants).
Panax
notoginseng
source
high‐value
active
ingredient
triterpenoid
saponins.
Root
rot
disease
P.
has
attracted
research
attention
because
its
high
destructiveness.
Understanding
infection
stages
strategies
resistance
mechanisms
induced
defence
against
pathogens
essential
support
agricultural
sustainable
development
.
Here,
review
summarize,
with
root
model,
current
knowledge
interaction,
feasability
use
microorganisms
secondary
metabolites
sources
biological
agents
at
low
cost.
Finally,
also
discuss
importance
breeding,
thereby
providing
strategy
develop
green
agriculture
plants.
Environmental Microbiology,
Journal Year:
2024,
Volume and Issue:
26(7)
Published: July 1, 2024
Abstract
Just
as
the
human
gut
microbiome
is
colonized
by
a
variety
of
microbes,
so
too
rhizosphere
plants.
An
imbalance
in
this
microbial
community,
known
dysbiosis,
can
have
negative
impact
on
plant
health.
This
study
sought
to
explore
effect
dysbiosis
health
tomato
plants
(
Solanum
lycopersicum
L.),
using
them
and
foliar
bacterial
spot
pathogen
Xanthomonas
perforans
model
organisms.
The
rhizospheres
3‐week‐old
were
treated
with
either
streptomycin
or
water
control,
then
spray‐inoculated
X.
after
24
h.
Half
that
both
received
soil
transplants
from
uninfected
donors
48
h
was
applied.
showed
26%
increase
disease
severity
compared
those
did
not
receive
antibiotic.
However,
transplant
exhibited
an
intermediate
level
severity.
antibiotic‐treated
demonstrated
reduced
abundance
rhizobacterial
taxa
such
Cyanobacteria
genus
Cylindrospermum
.
They
also
down‐regulation
genes
related
primary
secondary
metabolism,
up‐regulation
defence
associated
induced
systemic
resistance.
highlights
vital
role
beneficial
microbes
play
resistance,
even
against
pathogens.
Environmental Microbiome,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: May 14, 2024
Abstract
Background
Bacillus
subtilis
is
well
known
for
promoting
plant
growth
and
reducing
abiotic
biotic
stresses.
Mutant
gene-defective
models
can
be
created
to
understand
important
traits
associated
with
rhizosphere
fitness.
This
study
aimed
analyze
the
role
of
exopolymeric
genes
in
modulating
tomato
microbiome
assembly
under
a
gradient
soil
diversities
using
B.
wild-type
strain
UD1022
its
corresponding
mutant
eps−TasA
,
which
defective
exopolysaccharide
(
EPS
)
TasA
protein
production.
Results
qPCR
revealed
that
eps−TasA−
has
diminished
capacity
colonize
roots
soils
diluted
microbial
diversity.
The
analysis
bacterial
β-diversity
significant
differences
fungal
community
structures
following
inoculation
either
or
strains.
Verrucomicrobiota
Patescibacteria,
Nitrospirota
phyla
were
more
enriched
than
inoculation.
Co-occurrence
when
was
inoculated
tomato,
exhibited
lower
level
modularity,
fewer
nodes,
communities
compared
.
Conclusion
advances
our
understanding
genes,
are
not
only
root
colonization
but
also
play
shaping
assembly.
Future
research
should
concentrate
on
specific
genetic
their
implications
colonization,
coupled
modulation.
These
efforts
will
crucial
optimizing
PGPR-based
approaches
agriculture.