Rhizosphere
microbial
communities
are
believed
to
be
vital
in
the
adaption
of
dominant
plants
strong
waterlogging
stress
water-level-fluctuation
zone
(WLFZ).
However,
limited
knowledge
is
available
on
their
patterns
WLFZ
under
distinct
stresses.
Here,
rhizosphere
and
non-rhizosphere
bacterial
fungal
derived
from
two
typical
(
Rumex
acetosa
L.
Oxybasis
glauca)
Three
Gorges
Reservoir,
China
were
analysed
through
high-throughput
sequencing.
A
total
63
phyla,
173
classes,
259
orders,
287
families
518
genera
bacteria,
as
well
15
50
124
265
652
fungi
detected
soils
with
different
intensities.
The
most
phyla
each
sample
Proteobacteria
Ascomycota,
respectively.
Bacteria
soil
may
increase
ɑ
diversity
intensity
cope
this
stress.
LEfSe
analysis
showed
that
impact
community
structure
more
prominent
than
bacteria.
Key
biomarkers
can
found
sample,
but
many
samples,
key
cannot
found.
metabolic
pathways
related
aerobic
respiration
type
I
de
novo
biosynthesis
adenosine
ribonucleotides
dominate
community.
Redundancy
revealed
significantly
influenced
by
environmental
factors.
This
study
provides
a
theoretical
basis
for
understanding
relationship
between
second
genome
(rhizosphere
microorganisms)
extreme
habitats,
such
large
reservoirs.
New Phytologist,
Год журнала:
2024,
Номер
243(4), С. 1506 - 1521
Опубликована: Июнь 14, 2024
Intercropping
leads
to
different
plant
roots
directly
influencing
belowground
processes
and
has
gained
interest
for
its
promotion
of
increased
crop
yields
resource
utilization.
However,
the
precise
mechanisms
through
which
interactions
between
rhizosphere
metabolites
microbiome
contribute
production
remain
ambiguous,
thus
impeding
understanding
yield-enhancing
advantages
intercropping.
This
study
conducted
field
experiments
(initiated
in
2013)
pot
experiments,
coupled
with
multi-omics
analysis,
investigate
plant-metabolite-microbiome
maize.
Field-based
data
revealed
significant
differences
metabolite
profiles
soils
maize
monoculture
In
particular,
intercropping
exhibited
higher
microbial
diversity
chemodiversity.
The
chemodiversity
composition
were
significantly
related
diversity,
community
composition,
network
complexity
soil
microbiomes,
this
relationship
further
impacted
nutrient
uptake.
Pot-based
findings
demonstrated
that
exogenous
application
a
metabolic
mixture
comprising
key
components
enriched
by
(soyasapogenol
B,
6-hydroxynicotinic
acid,
lycorine,
shikimic
phosphocreatine)
enhanced
root
activity,
content,
biomass
natural
soil,
but
not
sterilized
soil.
Overall,
emphasized
significance
metabolite-microbe
enhancing
systems.
It
can
provide
new
insights
into
controls
within
intensive
agroecosystems,
aiming
enhance
ecosystem
services.
Molecular Plant,
Год журнала:
2023,
Номер
16(9), С. 1379 - 1395
Опубликована: Авг. 10, 2023
The
RIPENING-INHIBITOR
(RIN)
transcriptional
factor
is
a
key
regulator
governing
fruit
ripening.
While
RIN
also
affects
other
physiological
processes,
its
potential
roles
in
triggering
interactions
with
the
rhizosphere
microbiome
and
plant
health
are
unknown.
Here
we
show
that
microbiome-mediated
disease
resistance
via
root
exudation,
leading
to
recruitment
of
microbiota
suppress
soil-borne,
phytopathogenic
Ralstonia
solanacearum
bacterium.
Compared
wild-type
(WT)
plant,
mutants
had
different
exudate
profiles,
which
were
associated
distinct
changes
composition
diversity.
Specifically,
relative
abundances
antibiosis-associated
genes
pathogen-suppressing
Actinobacteria
(Streptomyces)
clearly
lower
rin
mutants.
composition,
diversity,
suppressiveness
microbiomes
could
be
restored
by
application
3-hydroxyflavone
riboflavin,
exuded
much
concentrations
mutant.
Interestingly,
RIN-mediated
effects
on
exudates,
Actinobacteria,
suppression
evident
from
seedling
stage,
indicating
plays
dual
role
early
assembly
disease-suppressive
late
development.
Collectively,
our
work
suggests
that,
while
complex
trait
driven
between
microbiome,
pathogen,
it
can
indirectly
manipulated
using
"prebiotic"
compounds
promote
microbiota.
EMBO Reports,
Год журнала:
2023,
Номер
25(1), С. 31 - 44
Опубликована: Дек. 19, 2023
Abstract
To
combat
microbial
pathogens,
plants
have
evolved
specific
immune
responses
that
can
be
divided
into
three
essential
steps:
recognition
by
receptors,
signal
transduction
within
plant
cells,
and
execution
directly
suppressing
pathogens.
During
the
past
decades,
many
receptors
signaling
components
their
mode
of
action
been
revealed,
markedly
advancing
our
understanding
first
two
steps.
Activation
results
in
physical
chemical
actions
actually
stop
pathogen
infection.
Nevertheless,
this
third
step
immunity
is
under
explored.
In
addition
to
plants,
recent
evidence
suggests
microbiota,
which
considered
an
additional
layer
system,
also
plays
a
critical
role
direct
suppression.
review,
we
summarize
current
how
as
well
microbiota
control
growth
behavior
highlight
outstanding
questions
need
answered.
Journal of General Plant Pathology,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 17, 2024
Abstract
Plant
pathogens
cause
plant
diseases
that
significantly
decrease
crop
yields,
posing
a
serious
threat
to
global
food
security.
While
disease
resistance
has
traditionally
been
understood
as
the
trait
determined
by
innate
immune
system
and
pathogen
virulence
system,
recent
research
underscores
pivotal
role
of
microbiome
in
resistance.
Plant-associated
microbiomes
confer
protection
against
through
direct
inhibition,
resource
competition,
activation
responses.
Agricultural
practices
such
rotation,
intercropping,
disease-resistant
breeding,
biocontrol,
organic
farming
modulate
microbiomes,
thereby
influencing
This
review
synthesizes
latest
advancements
understanding
intricate
interactions
among
plants,
pathogens,
microbiomes.
We
emphasize
need
for
in-depth
mechanistic
studies
linking
agricultural
dynamics
propose
future
directions
leverage
sustainable
agriculture.
Biology,
Год журнала:
2025,
Номер
14(2), С. 116 - 116
Опубликована: Янв. 23, 2025
Orobanche
aegyptiaca
is
a
holoparasitic
weed
that
extracts
water,
nutrients,
and
growth
regulators
from
host
plants,
leading
to
significant
yield
quality
losses.
Biocontrol
microbial
metabolites
have
been
shown
enhance
plant
resistance
against
parasitic
yet
the
underlying
mechanisms
remain
poorly
understood.
In
this
study,
we
investigated
role
of
Alternaria
alternata
JTF001
(J1)
in
recruiting
beneficial
microbes
tomato
rhizosphere
promoting
establishment
disease-suppressive
microbiome.
Pot
experiments
revealed
J1
metabolite
application
significantly
reduced
O.
parasitism.
High-throughput
sequencing
full-length
16S
rRNA
genes
ITS
regions,
along
with
vitro
culture
assays,
demonstrated
an
increase
abundance
plant-beneficial
bacteria,
particularly
Pseudomonas
spp.
The
three
candidate
strains
(zOTU_388,
zOTU_533,
zOTU_2335)
showed
5.7-fold,
5.4-fold,
4.7-fold,
respectively.
These
results
indicate
induce
recruitment
microbiome
seedlings,
effectively
inhibiting
Our
findings
suggest
represent
promising
strategy
for
managing
infestations
through
community
modulation,
offering
implications
sustainable
agricultural
practices.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Abstract
Trophic
interactions
in
micro‐food
webs,
such
as
those
between
nematodes
and
their
bacterial
prey,
affect
nitrogen
cycling
soils,
potentially
changing
nitrous
oxide
(N
2
O)
production
consumption.
However,
how
nematode‐mediated
changes
soil
community
composition
N
O
emissions
is
largely
unknown.
Here,
microcosm
experiments
are
performed
with
the
feeding
nematode
Protorhabditis
to
explore
potential
of
regulating
microbial
communities
thereby
emissions.
Removal
by
defaunation
resulted
increased
emissions,
removal
contributing
most
this
increase.
Further,
inoculation
altered
relative
abundance
Bacillus
,
nosZ
gene
soil.
In
vitro
indicated
that
reinforce
reduction
due
suppressing
competitors
producing
bacteria
growth
stimulating
substances
betaine.
The
results
indicate
modify
providing
perspective
for
mitigation
greenhouse
gas
via
manipulating
trophic
