Microbiome,
Journal Year:
2021,
Volume and Issue:
9(1)
Published: Aug. 13, 2021
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.
Microbiome,
Journal Year:
2020,
Volume and Issue:
8(1)
Published: June 30, 2020
The
field
of
microbiome
research
has
evolved
rapidly
over
the
past
few
decades
and
become
a
topic
great
scientific
public
interest.
As
result
this
rapid
growth
in
interest
covering
different
fields,
we
are
lacking
clear
commonly
agreed
definition
term
"microbiome."
Moreover,
consensus
on
best
practices
is
missing.
Recently,
panel
international
experts
discussed
current
gaps
frame
European-funded
MicrobiomeSupport
project.
meeting
brought
together
about
40
leaders
from
diverse
areas,
while
more
than
hundred
all
world
took
part
an
online
survey
accompanying
workshop.
This
article
excerpts
outcomes
workshop
corresponding
embedded
short
historical
introduction
future
outlook.
We
propose
based
compact,
clear,
comprehensive
description
provided
by
Whipps
et
al.
1988,
amended
with
set
novel
recommendations
considering
latest
technological
developments
findings.
clearly
separate
terms
microbiota
provide
discussion
composition
microbiota,
heterogeneity
dynamics
microbiomes
time
space,
stability
resilience
microbial
networks,
core
microbiomes,
functionally
relevant
keystone
species
as
well
co-evolutionary
principles
microbe-host
inter-species
interactions
within
microbiome.
These
broad
definitions
suggested
unifying
concepts
will
help
to
improve
standardization
studies
future,
could
be
starting
point
for
integrated
assessment
data
resulting
transfer
knowledge
basic
science
into
practice.
Furthermore,
standards
important
solving
new
challenges
associated
anthropogenic-driven
changes
planetary
health,
which
understanding
might
play
key
role.
Video
Abstract.
Frontiers in Plant Science,
Journal Year:
2017,
Volume and Issue:
8
Published: Sept. 19, 2017
In
their
natural
environment
plants
are
part
of
a
rich
ecosystem
including
numerous
and
diverse
microorganisms
in
the
soil.
It
has
been
long
recognized
that
some
these
microbes,
such
as
mycorrhizal
fungi
or
nitrogen
fixing
symbiotic
bacteria,
play
important
roles
plant
performance
by
improving
mineral
nutrition.
However,
full
range
microbes
associated
with
potential
to
replace
synthetic
agricultural
inputs
only
recently
started
be
uncovered.
last
few
years
great
progress
made
knowledge
on
composition
rhizospheric
microbiomes
dynamics.
There
is
clear
evidence
shape
microbiome
structures,
most
probably
root
exudates,
also
bacteria
have
developed
various
adaptations
thrive
niche.
The
mechanisms
interactions
processes
driving
alterations
however
largely
unknown.
this
review
we
focus
interaction
enhancing
nutrition,
summarizing
current
several
research
fields
can
converge
improve
our
understanding
molecular
underpinning
phenomenon.
The ISME Journal,
Journal Year:
2019,
Volume and Issue:
13(7), P. 1722 - 1736
Published: March 8, 2019
Root-associated
microbes
play
a
key
role
in
plant
performance
and
productivity,
making
them
important
players
agroecosystems.
So
far,
very
few
studies
have
assessed
the
impact
of
different
farming
systems
on
root
microbiota
it
is
still
unclear
whether
agricultural
intensification
influences
structure
complexity
microbial
communities.
We
investigated
conventional,
no-till,
organic
wheat
fungal
communities
using
PacBio
SMRT
sequencing
samples
collected
from
60
farmlands
Switzerland.
Organic
harbored
much
more
complex
network
with
significantly
higher
connectivity
than
conventional
no-till
systems.
The
abundance
keystone
taxa
was
highest
under
where
lowest.
also
found
strong
negative
association
(R2
=
0.366;
P
<
0.0001)
between
connectivity.
occurrence
best
explained
by
soil
phosphorus
levels,
bulk
density,
pH,
mycorrhizal
colonization.
majority
are
known
to
form
arbuscular
associations
plants
belong
orders
Glomerales,
Paraglomerales,
Diversisporales.
Supporting
this,
fungi
roots
soils
farming.
To
our
knowledge,
this
first
study
report
for
agroecosystems,
we
demonstrate
that
reduces
microbiome.
Microbiome,
Journal Year:
2018,
Volume and Issue:
6(1)
Published: Jan. 16, 2018
Harnessing
beneficial
microbes
presents
a
promising
strategy
to
optimize
plant
growth
and
agricultural
sustainability.
Little
is
known
which
extent
how
specifically
soil
microbiomes
can
be
manipulated
through
different
cropping
practices.
Here,
we
investigated
wheat
root
microbial
communities
in
system
experiment
consisting
of
conventional
organic
managements,
both
with
tillage
intensities.
While
richness
was
marginally
affected,
found
pronounced
effects
on
community
composition,
were
specific
for
the
respective
microbiomes.
Soil
bacterial
primarily
structured
by
tillage,
whereas
fungal
responded
mainly
management
type
additional
tillage.
In
roots,
also
driving
factor
bacteria
but
not
fungi,
generally
determined
changes
intensity.
To
quantify
an
"effect
size"
microbiota
manipulation,
that
about
10%
variation
explained
tested
Cropping
sensitive
taxonomically
diverse,
they
guilds
taxa
These
included
frequent
members
or
co-occurring
many
other
community,
suggesting
practices
may
allow
manipulation
influential
members.
Understanding
abundance
patterns
basis
towards
developing
strategies
smart
farming.
For
future
targeted
management—e.g.,
foster
certain
practices—a
next
step
will
identify
functional
traits
microbes.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Feb. 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.
Frontiers in Plant Science,
Journal Year:
2020,
Volume and Issue:
11
Published: Nov. 13, 2020
Drought
and
salinity
are
among
the
most
important
environmental
factors
that
hampered
agricultural
productivity
worldwide.
Both
stresses
can
induce
several
morphological,
physiological,
biochemical,
metabolic
alterations
through
various
mechanisms,
eventually
influencing
plant
growth,
development,
productivity.
The
responses
of
plants
to
these
stress
conditions
highly
complex
depend
on
other
factors,
such
as
species
genotype,
age
size,
rate
progression
well
intensity
duration
stresses.
These
have
a
strong
effect
response
define
whether
mitigation
processes
related
acclimation
will
occur
or
not.
In
this
review,
we
summarize
how
drought
extensively
affect
growth
in
agriculture
ecosystems.
particular,
focus
Moreover,
discuss
mechanisms
underlying
plant-microbe
interactions
confer
abiotic
tolerance.