As
climate
change
events
become
more
frequent,
drought
is
an
increasing
threat
to
agricultural
production
and
food
security.
Crop
rhizosphere
microbiome
root
exudates
are
critical
regulators
for
adaptation,
yet
our
understanding
on
the
bacterial
communities
exudate
composition
as
affected
by
stress
far
from
complete.
In
this
study,
we
performed
16S
rRNA
gene
amplicon
sequencing
widely
targeted
metabolomic
analysis
of
soil
two
contrasting
rice
genotypes
(Nipponbare
Luodao
998)
exposed
stress.A
reduction
in
plant
phenotypes
was
observed
under
drought,
inhibition
greater
roots
than
shoots.
Additionally,
exerted
a
negligible
effect
alpha
diversity
communities,
but
obviously
altered
their
composition.
particular,
led
significant
enrichment
Actinobacteria
decrease
Firmicutes.
We
also
found
that
abscisic
acid
clearly
higher
whereas
lower
jasmonic
L-cystine
concentrations.
genotypes,
variations
traits
drought-tolerant
genotype
998
after
were
smaller
those
Nipponbare.
Interestingly,
triggered
increase
Bacillus,
well
upregulation
most
organic
acids
downregulation
all
amino
998.
Notably,
both
Procrustes
Mantel
test
demonstrated
profiles
highly
correlated.
A
number
differentially
abundant
genera
responded
genotype,
including
Streptomyces,
Bacillus
some
members
Actinobacteria,
significantly
associated
with
contents
exudates.
Further
incubation
experiments
showed
Streptomyces
regulated
drought.Our
results
reveal
drive
changes
compositions
greenhouse
condition,
exudation
suppression
select
specific
may
be
important
strategy
cope
drought.
These
findings
have
implications
improving
adaptability
perspective
plant-microbe
interactions.
Journal of Integrative Plant Biology,
Journal Year:
2022,
Volume and Issue:
64(2), P. 230 - 243
Published: Jan. 14, 2022
The
root
microbiome
refers
to
the
community
of
microbes
living
in
association
with
a
plant's
roots,
and
includes
mutualists,
pathogens,
commensals.
Here
we
focus
on
recent
advances
study
commensal
which
is
major
research
object
microbiome-related
researches.
With
rapid
development
new
technologies,
plant-commensal
interactions
can
be
explored
unprecedented
breadth
depth.
Both
soil
environment
host
plant
drive
assembly.
bulk
seed
bank
potential
commensals,
plants
use
exudates
immune
responses
build
healthy
microbial
communities
from
available
microbes.
extends
functional
system
by
participating
variety
processes,
including
nutrient
absorption,
growth
promotion,
resistance
biotic
abiotic
stresses.
Plants
their
microbiomes
have
evolved
adaptation
strategies
over
time.
However,
there
still
huge
gap
our
understanding
regulatory
mechanisms
interactions.
In
this
review,
summarize
assembly
effects
these
development,
look
at
prospects
for
promoting
sustainable
agricultural
through
microbiome.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(4), P. 2374 - 2374
Published: Feb. 21, 2022
With
the
warming
global
climate,
drought
stress
is
considered
to
be
most
important
abiotic
factor
limiting
plant
growth
and
yield
in
world.
Drought
has
serious
impacts
on
crop
production.
Many
researchers
have
studied
influences
of
production
physiology;
however,
few
combined
root
exudates
with
root-associated
microbiomes
for
their
mutual
effects
under
conditions.
In
this
review,
we
systematically
illustrate
impact
microbiomes,
then
discuss
regulation
host
helping
adapt
drought.
Finally,
construct
a
framework
connections
between
plant,
exudates,
microbiome.
We
hope
review
can
provide
some
significant
guidelines
promote
study
resistance
plants
association
rhizosphere
microbiota.
Microbiological Research,
Journal Year:
2023,
Volume and Issue:
271, P. 127368 - 127368
Published: March 22, 2023
Abiotic
stress
poses
a
severe
danger
to
agriculture
since
it
negatively
impacts
cellular
homeostasis
and
eventually
stunts
plant
growth
development.
stressors
like
drought
excessive
heat
are
expected
occur
more
frequently
in
the
future
due
climate
change,
which
would
reduce
yields
of
important
crops
maize,
wheat,
rice
may
jeopardize
food
security
human
populations.
The
microbiomes
varied
taxonomically
organized
microbial
community
that
is
connected
plants.
By
supplying
nutrients
water
plants,
regulating
their
physiology
metabolism,
microbiota
helps
plants
develop
tolerate
abiotic
stresses,
can
boost
crop
yield
under
stresses.
In
this
present
study,
with
emphasis
on
temperature,
salt,
stress,
we
describe
current
findings
how
stresses
impact
microbiomes,
microbe-microbe
interactions,
plant-microbe
interactions
as
way
microorganisms
affect
metabolism
plant.
We
also
explore
crucial
measures
must
be
taken
applying
practices
faced
Current Biology,
Journal Year:
2023,
Volume and Issue:
33(23), P. R1246 - R1261
Published: Dec. 1, 2023
Climate
change
threatens
global
food
and
nutritional
security
through
negative
effects
on
crop
growth
agricultural
productivity.
Many
countries
have
adopted
ambitious
climate
mitigation
adaptation
targets
that
will
exacerbate
the
problem,
as
they
require
significant
changes
in
current
agri-food
systems.
In
this
review,
we
provide
a
roadmap
for
improved
production
encompasses
effective
transfer
of
knowledge
into
plant
breeding
management
strategies
underpin
sustainable
agriculture
intensification
resilience.
We
identify
main
problem
areas
highlight
outstanding
questions
potential
solutions
can
be
applied
to
mitigate
impacts
Although
translation
scientific
advances
lags
far
behind
technology,
consider
holistic
approach,
combining
disciplines
collaborative
efforts,
drive
better
connections
between
research,
policy,
needs
society.
Cell,
Journal Year:
2023,
Volume and Issue:
186(21), P. 4496 - 4513
Published: Oct. 1, 2023
Plant-associated
microbiota
can
extend
plant
immune
system
function,
improve
nutrient
acquisition
and
availability,
alleviate
abiotic
stresses.
Thus,
naturally
beneficial
microbial
therapeutics
are
enticing
tools
to
productivity.
The
basic
definition
of
across
species
ecosystems,
combined
with
the
development
reductionist
experimental
models
manipulation
phenotypes
microbes,
has
fueled
interest
in
its
translation
agriculture.
However,
great
majority
microbes
exhibiting
plant-productivity
traits
lab
greenhouse
fail
field.
Therapeutic
must
reach
détente,
establishment
uneasy
homeostasis,
system,
invade
heterogeneous
pre-established
plant-associated
communities,
persist
a
new
potentially
remodeled
community.
Environmental
conditions
alter
community
structure
thus
impact
engraftment
therapeutic
microbes.
We
survey
recent
breakthroughs,
challenges,
opportunities
translating
from
FEMS Microbiology Reviews,
Journal Year:
2023,
Volume and Issue:
48(1)
Published: Dec. 12, 2023
Rhizosphere
microbes
play
critical
roles
for
plant's
growth
and
health.
Among
them,
the
beneficial
rhizobacteria
have
potential
to
be
developed
as
biofertilizer
or
bioinoculants
sustaining
agricultural
development.
The
efficient
rhizosphere
colonization
of
these
is
a
prerequisite
exerting
their
plant
functions,
but
colonizing
process
underlying
mechanisms
not
been
thoroughly
reviewed,
especially
nonsymbiotic
rhizobacteria.
This
review
systematically
analyzed
root
compared
it
with
that
symbiotic
pathogenic
bacteria.
also
highlighted
approaches
improve
efficiency
proposed
study
rhizobacterial
from
holistic
perspective
microbiome
under
more
natural
conditions.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Feb. 23, 2024
Abstract
Root-associated
microbiomes
contribute
to
plant
growth
and
health,
are
dynamically
affected
by
development
changes
in
the
soil
environment.
However,
how
different
fertilizer
regimes
affect
quantitative
microbial
assembly
effect
remains
obscure.
Here,
we
explore
temporal
dynamics
of
root-associated
bacteria
soybean
using
microbiome
profiling
(QMP)
examine
its
response
unbalanced
treatments
(i.e.,
lacking
either
N,
P
or
K)
role
sustaining
after
four
decades
fertilization.
We
show
that
exhibit
strong
succession
during
development,
bacterial
loads
largely
increase
at
later
stages,
particularly
for
Bacteroidetes.
Unbalanced
fertilization
has
a
significant
on
rhizosphere
bacteria,
absence
N
community
diverges
from
fertilized
plants,
while
impedes
total
load
turnover
bacteria.
Importantly,
SynCom
derived
low-nitrogen-enriched
cluster
is
capable
stimulating
growth,
corresponding
with
stabilized
productivity
fertilizer.
These
findings
provide
new
insights
highlight
key
ecological
prospects
sustainable
agricultural
management.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 25, 2024
Abstract
The
root-associated
microbiota
plays
an
important
role
in
the
response
to
environmental
stress.
However,
underlying
mechanisms
controlling
interaction
between
salt-stressed
plants
and
are
poorly
understood.
Here,
by
focusing
on
a
salt-tolerant
plant
wild
soybean
(
Glycine
soja
),
we
demonstrate
that
highly
conserved
microbes
dominated
Pseudomonas
enriched
root
rhizosphere
of
plant.
Two
corresponding
isolates
confirmed
enhance
salt
tolerance
soybean.
Shotgun
metagenomic
metatranscriptomic
sequencing
reveal
motility-associated
genes,
mainly
chemotaxis
flagellar
assembly,
significantly
expressed
salt-treated
samples.
We
further
find
roots
stressed
secreted
purines,
especially
xanthine,
which
induce
motility
isolates.
Moreover,
exogenous
application
for
xanthine
non-stressed
results
enrichment,
reproducing
shift
root.
Finally,
mutant
analysis
shows
related
gene
cheW
is
required
toward
enhancing
tolerance.
Our
study
proposes
recruits
beneficial
species
exudating
key
metabolites
(i.e.,
purine)
against
Microbiome,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: March 4, 2024
Abstract
Background
The
severity
and
frequency
of
drought
are
expected
to
increase
substantially
in
the
coming
century
dramatically
reduce
crop
yields.
Manipulation
rhizosphere
microbiomes
is
an
emerging
strategy
for
mitigating
stress
agroecosystems.
However,
little
known
about
mechanisms
underlying
how
drought-resistant
plant
recruitment
specific
fungi
enhances
adaptation
drought-sensitive
wheats.
Here,
we
investigated
microbial
community
assembly
features
functional
profiles
related
wheats
by
amplicon
shotgun
metagenome
sequencing
techniques.
We
then
established
evident
linkages
between
root
morphology
traits
putative
keystone
taxa
based
on
inoculation
experiments.
Furthermore,
RNA
RT-qPCR
were
employed
explore
microbes
modify
response
stresses.
Results
Our
results
indicated
that
host
signature,
niche
compartment,
planting
site
jointly
contribute
variation
soil
microbiome
adaptation,
with
a
relatively
greater
effect
signature
observed
community.
Importantly,
wheat
(Yunhan
618)
possessed
more
diverse
bacterial
fungal
than
(Chinese
Spring),
particularly
species.
In
terms
interkingdom
association
networks,
variety
complex
networks.
Metagenomics
analyses
further
suggested
enriched
belonging
cultivar
had
higher
investment
energy
metabolism,
carbon
cycling,
shaped
their
distinctive
tolerance
via
mediation
drought-induced
feedback
pathways.
drives
differentiation
ecological
role
cultivable
species
Mortierella
alpine
(
M
.
alpina
)
Epicoccum
nigrum
E.
).
successful
colonization
surface
enhanced
resistance
stresses
activation
drought-responsive
genes
(e.g.,
CIPK9
PP2C30
Notably,
found
lateral
roots
hairs
significantly
suppressed
co-colonization
drought-enriched
fungus
drought-depleted
Conclusions
Collectively,
our
findings
revealed
genotypes
profoundly
influence
as
well
it
provides
evidence
These
underpin
understanding
feedbacks
plants
during
drought,
lay
foundation
steering
“beneficial
biome”
develop
resilient
productive
crops
under
climate
change.