Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Июнь 11, 2022
Microbiomes
are
important
for
crop
performance.
However,
a
deeper
knowledge
of
crop-associated
microbial
communities
is
needed
to
harness
beneficial
host-microbe
interactions.
Here,
by
assessing
the
assembly
and
functions
maize
microbiomes
across
soil
types,
climate
zones,
genotypes,
we
found
that
stem
xylem
selectively
recruits
highly
conserved
microbes
dominated
Gammaproteobacteria.
We
showed
proportion
bacterial
taxa
carrying
nitrogenase
gene
(nifH)
was
larger
in
than
other
organs
such
as
root
leaf
endosphere.
Of
25
core
identified
sap,
several
isolated
strains
were
confirmed
be
active
nitrogen-fixers
or
assist
with
biological
nitrogen
fixation.
On
this
basis,
established
synthetic
(SynComs)
consisting
two
diazotrophs
helpers.
GFP-tagged
15N
isotopic
dilution
method
demonstrated
these
SynComs
do
thrive
contribute,
through
fixation,
11.8%
total
N
accumulated
stems.
These
sap
represent
an
untapped
resource
can
exploited
increase
productivity.
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Фев. 11, 2022
Abstract
Microbial
composition
and
functions
in
the
rhizosphere—an
important
microbial
hotspot—are
among
most
fascinating
yet
elusive
topics
ecology.
We
used
557
pairs
of
published
16S
rDNA
amplicon
sequences
from
bulk
soils
rhizosphere
different
ecosystems
around
world
to
generalize
bacterial
characteristics
with
respect
community
diversity,
composition,
functions.
The
selects
microorganisms
soil
function
as
a
seed
bank,
reducing
diversity.
is
enriched
Bacteroidetes,
Proteobacteria,
other
copiotrophs.
Highly
modular
but
unstable
networks
(common
for
r
-strategists)
reflect
interactions
adaptations
dynamic
conditions.
Dormancy
strategies
are
dominated
by
toxin–antitoxin
systems,
while
sporulation
common
soils.
Functional
predictions
showed
that
genes
involved
organic
compound
conversion,
nitrogen
fixation,
denitrification
were
strongly
(11–182%),
nitrification
depleted.
New Phytologist,
Год журнала:
2022,
Номер
234(6), С. 1951 - 1959
Опубликована: Фев. 4, 2022
Summary
Climate
change
is
increasing
global
temperatures
and
the
frequency
severity
of
droughts
in
many
regions.
These
anthropogenic
stresses
pose
a
significant
threat
to
plant
performance
crop
production.
The
plant‐associated
microbiome
modulates
impacts
biotic
abiotic
on
fitness.
However,
climate
change‐induced
alteration
composition
activities
microbiomes
can
affect
host
functions.
Here,
we
highlight
recent
advancements
our
understanding
impact
(warming
drought)
plant–microbiome
interactions
their
ecological
functions
from
genome
ecosystem
scales.
We
identify
knowledge
gaps,
propose
new
concepts
make
recommendations
for
future
research
directions.
It
proposed
that
short
term
(years
decades),
adaptation
plants
mainly
driven
by
microbiome,
whereas
long
(century
millennia),
will
be
equally
eco‐evolutionary
between
its
host.
A
better
response
ways
which
mitigate
negative
inform
predictions
primary
productivity
aid
developing
management
policy
tools
improve
resilience
systems.
The
plant
microbiome
is
an
integral
part
of
the
host
and
increasingly
recognized
as
playing
fundamental
roles
in
growth
health.
Increasing
evidence
indicates
that
rhizosphere
recruits
beneficial
microbes
to
suppress
soil-borne
pathogens.
However,
ecological
processes
govern
assembly
functions
below-
aboveground
compartments
under
pathogen
invasion
are
not
fully
understood.
Here,
we
studied
bacterial
fungal
communities
associated
with
12
(e.g.,
soils,
roots,
stems,
fruits)
chili
pepper
(Capsicum
annuum
L.)
using
amplicons
(16S
ITS)
metagenomics
approaches
at
main
production
sites
China
investigated
how
Fusarium
wilt
disease
(FWD)
affects
assembly,
co-occurrence
patterns,
plant-associated
microbiomes.The
amplicon
data
analyses
revealed
FWD
affected
less
on
reproductive
organs
(fruit)
than
vegetative
(root
stem),
strongest
impact
upper
stem
epidermis.
Fungal
intra-kingdom
networks
were
stable
their
more
sensitive
communities.
analysis
microbial
interkingdom
network
further
indicated
destabilized
induced
importance
taxa.
Although
diseased
plants
susceptible
colonization
by
other
pathogenic
fungi,
can
also
recruit
potential
bacteria.
Some
taxa
enriched
identified
core
for
microbiomes
hub
networks.
On
hand,
metagenomic
significant
enrichment
several
functional
genes
involved
detoxification,
biofilm
formation,
plant-microbiome
signaling
pathways
(i.e.,
chemotaxis)
plants.Together,
demonstrate
a
could
bacteria
mitigate
changes
organ
facilitate
or
its
offspring
survival.
may
attract
through
modulation
pathways.
These
findings
significantly
advance
our
understanding
interactions
provide
important
harnessing
sustainable
agriculture.
Video
abstract.
Abstract
Background
Plants
live
with
diverse
microbial
communities
which
profoundly
affect
multiple
facets
of
host
performance,
but
if
and
how
development
impacts
the
assembly,
functions
interactions
crop
microbiomes
are
poorly
understood.
Here
we
examined
both
bacterial
fungal
across
soils,
epiphytic
endophytic
niches
leaf
root,
plastic
fake
plant
(representing
environment-originating
microbes)
at
three
developmental
stages
maize
two
contrasting
sites,
further
explored
potential
function
phylloplane
based
on
metagenomics.
Results
Our
results
suggested
that
stage
had
a
much
stronger
influence
diversity,
composition
interkingdom
networks
in
compartments
than
strongest
effect
phylloplane.
Phylloplane
were
co-shaped
by
growth
seasonal
environmental
factors,
air
(represented
plants)
as
its
important
source.
Further,
found
more
strongly
driven
deterministic
processes
early
similar
pattern
was
for
late
stage.
Moreover,
taxa
played
role
network
yield
prediction
stage,
while
did
so
Metagenomic
analyses
indicated
possessed
higher
functional
diversity
genes
related
to
nutrient
provision
enriched
N
assimilation
C
degradation
Coincidently,
abundant
beneficial
like
Actinobacteria,
Burkholderiaceae
Rhizobiaceae
observed
saprophytic
fungi
Conclusions
suggest
influences
microbiome
assembly
functions,
take
differentiated
ecological
different
development.
This
study
provides
empirical
evidence
exerting
strong
selection
during
These
findings
have
implications
future
tools
manipulate
sustainable
increase
primary
productivity.
New Biotechnology,
Год журнала:
2023,
Номер
74, С. 16 - 24
Опубликована: Фев. 6, 2023
Due
to
popular
successes
(e.g.,
ChatGPT)
Artificial
Intelligence
(AI)
is
on
everyone's
lips
today.
When
advances
in
biotechnology
are
combined
with
AI
unprecedented
new
potential
solutions
become
available.
This
can
help
many
global
problems
and
contribute
important
Sustainability
Development
Goals.
Current
examples
include
Food
Security,
Health
Well-being,
Clean
Water,
Energy,
Responsible
Consumption
Production,
Climate
Action,
Life
below
or
protect,
restore
promote
sustainable
use
of
terrestrial
ecosystems,
sustainably
manage
forests,
combat
desertification,
halt
reverse
land
degradation
biodiversity
loss.
ubiquitous
the
life
sciences
Topics
a
wide
range
from
machine
learning
Big
Data
analytics,
knowledge
discovery
data
mining,
biomedical
ontologies,
knowledge-based
reasoning,
natural
language
processing,
decision
support
reasoning
under
uncertainty,
temporal
spatial
representation
inference,
methodological
aspects
explainable
(XAI)
applications
biotechnology.
In
this
pre-Editorial
paper,
we
provide
an
overview
open
research
issues
challenges
for
each
topics
addressed
special
issue.
Potential
authors
directly
as
guideline
developing
their
paper.