npj Biofilms and Microbiomes,
Год журнала:
2020,
Номер
6(1)
Опубликована: Фев. 14, 2020
The
microbiota
colonizing
the
root
endophytic
compartment
and
surrounding
rhizosphere
soils
contribute
to
plant
growth
health.
However,
key
members
of
soil
microbial
communities
involved
in
inhibiting
or
assisting
pathogen
invasion
remain
elusive.
By
utilizing
16S
high-throughput
sequencing
a
molecular
ecological
network
(MEN)
approach,
we
systematically
studied
interactions
within
bacterial
compartments
(stem
root)
(bulk
rhizosphere)
during
wilt
invasion.
were
found
be
strongly
influenced
by
according
analysis
diversity
community
structure
composition.
Endophytic
infected
plants
primarily
derived
from
communities,
as
assessed
SourceTracker
program,
but
with
rare
migration
observed
healthy
plants.
Soil
microbiomes
showed
modular
topology
greater
complexity
analysis,
higher
number
than
those
Furthermore,
among
revealed
that
pathogenic
Ralstonia
positively
correlated
several
genera,
including
Delftia,
Stenotrophomonas,
Bacillus,
Clostridium
XlVa,
Fontibacillus,
Acidovorax,
Herminiimonas,
three
unclassified
roots.
Our
findings
indicated
may
highly
associated
bacteria
are
normally
not
detrimental,
sometimes
even
beneficial,
Annual Review of Ecology Evolution and Systematics,
Год журнала:
2019,
Номер
50(1), С. 145 - 168
Опубликована: Июль 24, 2019
Microorganisms
drive
several
processes
needed
for
robust
plant
growth
and
health.
Harnessing
microbial
functions
is
thus
key
to
productive
sustainable
food
production.
Molecular
methods
have
led
a
greater
understanding
of
the
soil
microbiome
composition.
However,
translating
species
or
gene
composition
into
functionality
remains
challenge.
Community
ecology
concepts
such
as
biodiversity–ecosystem
functioning
framework
may
help
predict
assembly
function
plant-associated
microbiomes.
Higher
diversity
can
increase
number
resilience
plant-beneficial
that
be
coexpressed
unlock
expression
traits
are
hard
obtain
from
any
in
isolation.
We
combine
well-established
community
with
molecular
microbiology
workable
enable
us
enhance
promote
global
change
context.
Global Change Biology,
Год журнала:
2021,
Номер
28(1), С. 140 - 153
Опубликована: Окт. 7, 2021
Belowground
biodiversity
supports
multiple
ecosystem
functions
and
services
that
humans
rely
on.
However,
there
is
a
dearth
of
studies
exploring
the
determinants
biodiversity-ecosystem
function
(BEF)
relationships,
particularly
in
intensely
managed
agricultural
ecosystems.
Here,
we
reported
significant
positive
relationships
between
soil
organism
groups
228
fields,
relating
to
crop
yield,
nutrient
provisioning,
element
cycling,
pathogen
control.
The
were
influenced
by
types
organisms
phylotypes
with
larger
sizes
or
at
higher
trophic
levels,
for
example,
invertebrates
protist
predators,
appeared
exhibit
weaker
no
BEF
when
compared
those
smaller
lower
archaea,
bacteria,
fungi,
phototrophs.
Particularly,
highlighted
role
network
complexity,
reflected
co-occurrence
patterns
among
multitrophic-level
organisms,
enhancing
link
functions.
Our
results
represent
advance
forecasting
impacts
belowground
multitrophic
on
systems,
suggest
complexity
should
be
considered
key
factor
productivity
sustainability
under
land-use
intensification.
Soil Biology and Biochemistry,
Год журнала:
2020,
Номер
148, С. 107874 - 107874
Опубликована: Июнь 25, 2020
Non-target
effects
of
deliberately
released
organisms
into
a
new
environment
are
great
concern
due
to
their
potential
impact
on
the
biodiversity
and
functioning
ecosystems.
Whereas
these
studies
often
focus
invasive
species
macro-organisms,
use
microbial
inoculants
is
expected
have
specific
particular
functions
but
negligible
overall
resident
communities.
Here,
we
posit
that
such
introductions
native
communities,
which
might
influence
ecosystem
processes.
Focusing
soil
used
literature
search
examine
inoculation
(often
release
beneficial
microorganisms
in
agricultural
systems)
Of
108
analyzed,
86%
showed
modify
communities
short
or
long
term.
In
addition,
for
analyzing
consequences
longer
term,
80%
did
not
observe
resilience
(return
initial
state)
community
following
inoculation.
Through
knowledge
gathered
from
each
study,
propose
synthetic
mechanistic
framework
explaining
how
may
alter
We
also
identify
challenges
as
well
future
approaches
shed
more
light
this
unseen
reality.
The
relationships
between
soil
biodiversity
and
ecosystem
functions
are
an
important
yet
poorly
understood
topic
in
microbial
ecology.
This
study
presents
exploratory
effort
to
gain
predictive
understanding
of
the
factors
driving
diversity
potential
nutrient
cycling
complex
terrestrial
ecosystems.
Plant-microbe
interactions
dynamically
affect
plant
growth,
health,
and
development.
The
mechanisms
underpinning
these
associations
are-to
a
large
extent-mediated
by
specialized
host-derived
secondary
metabolites.
Flavonoids
are
one
of
the
most
studied
classes
such
metabolites,
regulating
both
development
interaction
with
commensal
microbes.
Here,
we
provide
comprehensive
review
multiple
roles
flavonoids
in
mediating
plant-microbe
interactions.
First,
briefly
summarize
general
aspects
flavonoid
synthesis,
transport,
exudation
plants.
Then,
importance
influencing
overall
community
assembly
plant-root
microbiomes.
Last,
highlight
potential
knowledge
gaps
our
understanding
how
determine
between
plants
Collectively,
advocate
advancing
research
this
area
toward
innovative
strategies
to
effectively
manipulate
plant-microbiome
composition,
case,
via
production
roots.
Video
Abstract.
