Journal of Applied Microbiology,
Journal Year:
2022,
Volume and Issue:
133(5), P. 2864 - 2876
Published: June 27, 2022
While
horticulture
tools
and
methods
have
been
extensively
developed
to
improve
the
management
of
crops,
systems
harness
rhizosphere
microbiome
benefit
plant
crops
are
still
in
development.
Plants
microbes
coevolving
for
several
millennia,
conferring
fitness
advantages
that
expand
plant's
own
genetic
potential.
These
beneficial
associations
allow
plants
cope
with
abiotic
stresses
such
as
nutrient
deficiency
across
a
wide
range
soils
growing
conditions.
achieve
these
benefits
by
selectively
recruiting
using
root
exudates,
positively
impacting
their
nutrition,
health
overall
productivity.
Advanced
knowledge
interplay
between
exudates
alteration
response
status,
underlying
mechanisms
there
of,
will
development
technologies
increase
crop
yield.
This
review
summarizes
current
perspectives
on
plant-microbial
interactions
resource
acquisition
discusses
promising
advances
manipulating
microbiomes
exudation.
Microbiome,
Journal Year:
2023,
Volume and Issue:
11(1)
Published: March 31, 2023
The
rhizosphere
microbiome,
which
is
shaped
by
host
genotypes,
root
exudates,
and
plant
domestication,
crucial
for
sustaining
agricultural
growth.
Despite
its
importance,
how
domestication
builds
up
specific
microbiomes
metabolic
functions,
as
well
the
importance
of
these
affected
rhizobiomes
relevant
exudates
in
maintaining
growth,
not
understood.
Here,
we
firstly
investigated
bacterial
fungal
communities
wild
accessions
tetraploid
wheat
using
amplicon
sequencing
(16S
ITS)
after
9
years
process
at
main
production
sites
China.
We
then
explored
ecological
roles
exudation
shaping
microbiome
functions
integrating
metagenomics
genomics
approaches.
Furthermore,
established
evident
linkages
between
morphology
traits
keystone
taxa
based
on
microbial
culture
inoculation
experiments.Our
results
suggested
that
were
co-shaped
both
genotypes
status.
genomes
contributed
more
variation
diversity
composition
than
communities,
whereas
status
exerted
much
stronger
influences
communities.
In
terms
interkingdom
association
networks,
destabilized
network
depleted
abundance
taxa.
Moreover,
found
shifted
from
slow
growing
fungi
dominated
to
fast
bacteria
dominated,
thereby
resulting
a
shift
fungi-dominated
membership
with
enrichment
carbon
fixation
genes
bacteria-dominated
degradation
genes.
Metagenomics
analyses
further
indicated
cultivars
possess
higher
function
domesticated
cultivars.
Notably,
cultivar
able
harness
microorganism
carrying
N
transformation
(i.e.,
nitrification,
denitrification)
P
mineralization
pathway,
inorganic
fixation,
organic
ammonification,
solubilization
are
recruited
releasing
wheat.
More
importantly,
our
metabolite-wide
study
contrasting
functional
harnessed
different
nutrient
acquisition
strategies
jointly
determined
aboveground
phenotypes.
observed
although
wheats
distinct
domestication-induced
recruitment
led
consistent
growth
regulation
regardless
status.Our
indicate
profoundly
assembly
provide
evidence
plants
differentiated
role
root-associated
through
release
sustain
belowground
multi-nutrient
cycles
These
findings
valuable
insights
into
mechanisms
underlying
plant-microbiome
interactions
crop
improvement
sustainable
agriculture.
Video
Abstract.
Functional Ecology,
Journal Year:
2022,
Volume and Issue:
36(11), P. 2845 - 2858
Published: Sept. 10, 2022
Abstract
Increased
human‐derived
nitrogen
(N)
loading
in
terrestrial
ecosystems
has
caused
widespread
ecosystem‐level
phosphorus
(P)
limitation.
In
response,
plants
and
soil
micro‐organisms
adopt
a
series
of
P‐acquisition
strategies
to
offset
N
loading‐induced
P
Many
these
impose
costs
on
carbon
(C)
allocation
by
micro‐organisms;
however,
it
remains
unclear
how
affect
C
cycling.
Herein,
we
review
the
literature
effects
limitation
outline
conceptual
overview
plant
microbial
may
organic
(SOC)
stabilization
decomposition
ecosystems.
Excessive
input
significantly
enhances
biomass
production,
acidification,
produces
litterfall
with
high
N/P
ratios,
which
can
aggravate
Long‐term
cause
alter
their
functional
traits
increase
acquisition.
Plants
release
carboxylate
exudates
phosphatases,
modify
root
morphological
traits,
facilitate
formation
symbiotic
associations
mycorrhizal
fungi
stimulate
abundance
P‐mineralizing
P‐solubilizing
micro‐organisms.
Releasing
phosphatases
could
accelerate
SOC
decomposition,
whereas
changing
(e.g.
an
fine
length)
contribute
higher
stabilization.
relative
abundances
bacteria
mining
decay,
decrease
use
efficiency
subsequently
lower
sequestration.
The
trade‐offs
between
different
under
should
be
among
future
research
priorities
due
cascading
impacts
storage.
Quantifying
ecosystem
thresholds
for
adaption
increased
is
important
because
are
effective
when
below
threshold.
Moreover,
understanding
response
at
levels
native
availability
provide
insight
divergent
across
sites
Altogether,
explicitly
considered
Earth
System
Models
generate
more
realistic
predictions
Read
free
Plain
Language
Summary
this
article
Journal
blog.
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.
Soil Biology and Biochemistry,
Journal Year:
2024,
Volume and Issue:
193, P. 109382 - 109382
Published: March 12, 2024
Soil
is
an
extremely
complex
and
dynamic
matrix,
in
part,
due
to
the
wide
diversity
of
organisms
living
within
it.
organic
matter
(SOM)
fundamental
substrate
on
which
delivery
ecosystem
services
depends,
providing
metabolic
fuel
drive
soil
function.
As
such,
studying
metabolome
(the
concentration
low
molecular
weight
metabolites),
as
a
subset
SOM,
holds
potential
greatly
expand
our
understanding
behaviour,
fate,
interaction
functional
significance
small
molecules
soil.
Encompassing
range
chemical
classes
(including
amino
acids,
peptides,
lipids
carbohydrates)
large
number
individual
(ca.
n
=
105
106),
resultant
(indirect)
output
several
layers
biological
hierarchy,
namely
metagenome,
metatranscriptome
metaproteome.
it
may
also
provide
support
validation
for
these
"multi-omics"
datasets.
We
present
case
increased
use
untargeted
metabolomics
biochemistry,
particularly
furthering
functions
driving
SOM
composition
biogeochemical
cycling.
Further,
we
discuss
scale
challenge
terms
metabolite
extraction,
analysis
interpretation
plant-soil-microbial
systems.
Lastly,
highlight
key
knowledge
gaps
currently
limit
metabolomic
approaches
better
understand
processes,
including:
(i)
datasets;
(ii)
source,
emission
fate
soil-derived
volatile
compounds
(VOCs),
(iii)
assessing
temporal
fluxes
metabolites,
(iv)
monitoring
ecological
interactions
rhizosphere.
While
application
science
still
its
relative
infancy,
importance
biochemical
system
relation
regulation,
management
underpinning
further
elucidating
links
between
organisms,
well
ability
community
process
cycle
nutrients.
Plants,
Journal Year:
2022,
Volume and Issue:
11(17), P. 2256 - 2256
Published: Aug. 30, 2022
Drought
is
one
of
the
biggest
concerns
in
agriculture
due
to
projected
reduction
global
freshwater
supply
with
a
concurrent
increase
food
demand.
Roots
can
significantly
contribute
improving
drought
adaptation
and
productivity.
Plants
water
uptake
by
adjusting
root
architecture
cooperating
symbiotic
soil
microbes.
Thus,
emphasis
has
been
given
architectural
responses
root–microbe
relationships
drought-resilient
crop
development.
However,
are
continuous
complex
processes
involve
additional
traits
interactions
among
themselves.
This
review
comprehensively
compiles
discusses
several
these
such
as
structural,
physiological,
molecular,
hydraulic,
anatomical,
plasticity,
which
important
consider
together,
changes,
when
developing
resilient
varieties.
In
addition,
it
describes
significance
contribution
structure
holding
capacity
its
implication
on
long-term
resilience
drought.
various
adaptive
ideotypes
monocot
dicot
crops
compared
proposed
for
agroclimatic
conditions.
Overall,
this
provides
broader
perspective
understanding
molecular
regulators,
considerations
simultaneously
integrating
multiple
tolerance
improvement,
under
specific
growing
environments.
