Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Sept. 27, 2022
Abstract
Deciphering
the
local
diversity
and
community
composition
of
plant-associated
microorganisms
is
crucial
to
predict
ecological
functioning
in
forest
ecosystems.
The
differences
microbial
between
tree’s
aboveground
belowground
compartments
remain
largely
unknown.
Here
we
examined
bacterial
communities
leaf
surface
root-associated
(root
rhizospheric
soil)
habitats
13
tree
species.
richness
substantially
differed
across
three
habitats,
with
highest
value
observed
soil
compartment.
variations
α-diversity
(richness
indices)
amongst
species
were
more
obvious
than
their
corresponding
roots.
compositions
different
significantly
divergent
leaf-
habitats.
Leaf
nutrients
pH
NH4+-N
main
factors
influencing
root-related
compositions,
respectively.
This
study
highlights
contrasting
root-inhabiting
bacteria.
Our
findings
would
improve
understanding
effect
identity
on
subtropical
forest.
Plants,
Journal Year:
2024,
Volume and Issue:
13(2), P. 175 - 175
Published: Jan. 9, 2024
The
negative
impacts
of
climate
change
on
native
forest
ecosystems
have
created
challenging
conditions
for
the
sustainability
natural
regeneration.
These
challenges
arise
primarily
from
abiotic
stresses
that
affect
early
stages
tree
development.
While
there
is
extensive
evidence
diversity
juvenile
microbial
symbioses
in
agricultural
and
fruit
crops,
a
notable
lack
reports
plants.
This
review
aims
to
summarize
critical
studies
conducted
plant-microbe
interactions
plants
highlight
main
benefits
beneficial
microorganisms
overcoming
environmental
such
as
drought,
high
low
temperatures,
metal(loid)
toxicity,
nutrient
deficiency,
salinity.
reviewed
consistently
demonstrated
positive
effects
plant-microbiota
highlighted
potential
attributes
improve
plantlet
In
addition,
this
discusses
managing
symbiosis
context
restoration,
including
its
impact
plant
responses
phytopathogens,
promotion
uptake,
facilitation
seedling
adaptation,
resource
exchange
through
shared
hyphal
networks,
stimulation
soil
communities,
modulation
gene
protein
expression
enhance
adaptation
adverse
conditions.
Environmental Microbiome,
Journal Year:
2025,
Volume and Issue:
20(1)
Published: Feb. 15, 2025
Abstract
Background
The
variation
in
fungal
community
composition
within
a
single
habitat
space
has
been
extensively
studied
forest
ecosystems.
However,
the
spatial
and
temporal
distribution
of
fungi
across
contiguous
habitats,
particularly
at
local
scale
tropical
regions,
remains
underexplored.
In
this
study,
we
examined
multiple
habitats
proximal
to
each
other
over
two
seasons
seven
Fagaceae
species
Taiwanese
broadleaf
forests.
We
tested
how
influence
assembly.
Results
Using
metabarcoding
approach,
sequenced
ITS2
regions
from
864
samples
collected
four
distinct
habitats—leaves,
twigs,
litter,
soil.
identified
11,600
amplicon
sequence
variants
(ASVs),
with
differing
significantly
between
other.
Generalized
dissimilarity
modeling
(GDM)
revealed
that
distance,
interacting
precipitation,
was
strongest
predictor
turnover,
phyllosphere.
Normalized
Stochasticity
Ratio
(NST)
analyses
further
highlighted
contrasting
assembly
processes,
deterministic
influences
dominating
phyllosphere
habitat,
while
stochasticity
prevailed
soil
litter.
Random
analysis
accurately
classified
based
on
ASVs’
relative
abundances,
strong
predictors
were
mostly
habitat-specific
ASVs
prevalent
Misclassified
due
secondary
contact
adjacent
habitats.
Co-occurrence
network
more
complex
networks
leaf
twig
driven
by
stochastic
processes
contained
most
ASVs.
A
Cladosporium
sp.
emerged
as
keystone
species,
maintaining
stability
Conclusion
This
study
reveals
shape
communities
forests,
some
playing
key
role
others.
show
extremely
high
turnover
are
present
very
short
distances
taxa
predictors.
These
findings
highlight
importance
studying
coexisting
gain
deeper
understanding
biogeography
ecosystem
function.
Microbiology Spectrum,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
ABSTRACT
Plant
microbial
communities
are
shaped
by
plant
compartments,
but
the
patterns
of
fungal
in
aboveground
and
belowground
which
environmental
factors
can
affect
them,
remain
unknown.
Here,
to
address
this
research
gap,
high-throughput
sequencing
technology
was
performed
investigate
diversity
leaves’
roots’
compartments
Dacrydium
pectinatum
Vatica
mangachapoi
from
Hainan
Island
China.
Fungal
leaves
roots
exhibited
significant
differences.
Eurotiomycetes
(16.57%)
Dothideomycetes
(45.57%)
were
predominantly
found
leaves,
while
Agaricomycetes
(36.53%)
dominated
roots.
Compared
roots,
leaf
had
higher
α-diversity.
According
Mantel
test,
soil
pH
mainly
influenced
main
driving
for
rainfall
temperature.
The
proportion
dispersal-limited
processes
rhizoplane
(76.67%)
root
endosphere
(73.81%)
greater
than
that
epiphytic
(62.38%)
endophytic
(68.1%),
driven
ectomycorrhizal
fungi
with
known
dispersal
limitations.
In
summary,
compositions
both
endangered
tree
species
differed,
partly
unique
each
compartment.
Our
results
provide
valuable
theoretical
practical
insights
preserving
tropical
species.
IMPORTANCE
Understanding
assembly
across
different
is
a
prerequisite
harnessing
them
enhance
growth.
findings
reveal
differences
community
structures
between
compartments.
While
primary
drivers
those
primarily
mycorrhizal
fungi.
These
demonstrate
compartment-specific
plant-microbe
interactions
responses,
offering
actionable
conserving
through
habitat
optimization
(e.g.,
management)
corridor
preservation.
This
compartment-aware
perspective
enhances
our
ability
leverage
functions
improve
resilience
trees
face
climate
change.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: March 6, 2023
Trees
interact
with
fungi
in
mutualistic,
saprotrophic,
and
pathogenic
relationships.
With
their
extensive
aboveground
belowground
structures,
trees
provide
diverse
habitats
for
fungi.
Thus,
tree
species
identity
is
an
important
driver
of
fungal
community
composition
forests.Here
we
investigate
how
forest
habitat
(bark
surface
vs.
soil)
(deciduous
coniferous)
affect
communities
two
Central
European
forests.
We
assess
differences
interactions
between
associated
bark
surfaces
soil,
plots
dominated
either
by
Fagus
sylvatica,
Picea
abies,
or
Pinus
sylvestris
study
regions
southwestern
northeastern
Germany.ITS
metabarcoding
yielded
3,357
amplicon
sequence
variants
(ASVs)
the
northern
6,088
southern
region.
Overall,
soil
were
4.7
times
more
than
communities.
Habitat
type
explained
48-69%
variation
alpha
diversity,
while
>1-3%.
NMDS
ordinations
showed
that
host
structured
few
taxa
shared
habitats,
species,
but
highly
abundant.
Network
analyses,
based
on
co-occurrence
patterns,
indicate
form
distinct
subnetworks.Our
suggests
versus
are
factors
structuring
temperate
The
(bark-associated)
currently
poorly
known,
including
a
high
proportion
reads
assigned
to
"unknown
Ascomycota"
Dothideomycetes."
role
as
reservoir
unique
diversity
forests
has
been
underestimated.
FEMS Microbiology Ecology,
Journal Year:
2023,
Volume and Issue:
99(4)
Published: March 21, 2023
Abstract
Deciphering
the
local
diversity
and
community
composition
of
plant-associated
microorganisms
is
crucial
to
predict
their
ecological
functions
in
forest
ecosystems.
The
differences
microbial
between
aboveground
belowground
tree
compartments
remain
largely
unknown.
Here,
we
examined
bacterial
communities
leaf
surface
(phyllosphere)
root-associated
(root
rhizospheric
soil)
habitats
13
species.
Bacterial
richness
substantially
differed
across
three
compartments,
with
highest
value
observed
soil.
Tree
species
exerted
a
significant
effect
on
α-diversity
leaf-
soil-
but
not
root-inhabiting
bacteria.
were
distinct
significantly
more
divergent
than
habitats.
Leaf
nutrients
soil
pH
NH4+-N
main
factors
regulating
root-related
composition,
respectively.
This
study
highlights
that
host
selection
effects
structure
prominent
Our
findings
contribute
better
understanding
subtropical
diversity,
implications
for
sustainable
plantation
management.
Plant and Soil,
Journal Year:
2023,
Volume and Issue:
496(1-2), P. 319 - 340
Published: Nov. 3, 2023
Abstract
Aims
The
phyllosphere
and
soil
are
crucial
distinct
microbial
spheres
in
forests,
connected
through
trees
that
interact
with
both.
As
part
of
the
tree's
holobiont,
these
communities
vital
to
fitness
evolution
host.
Differences
between
may
be
particularly
evident
at
two
extreme
ends
tall
long-lived
natural
temperate
forest;
top-canopy
soil.
Here,
we
evaluated
connectivity
European
beech
Norway
spruce
determine
significance
tree-sphere
host-species
identity,
assess
contribution
taxa
inhabiting
both
spheres.
Methods
Bacterial
fungal
community
composition
was
determined
metabarcoding
analysis
linked
leaf
bulk
samples
collected
from
(old)
forest
Bavarian
Forest
National
Park.
Results
This
study
shows
sphere-specific
characterized
by
low
connectivity.
highlight
exert
stronger
influence
than
host
identity.
Only
a
few
inhabited
spheres,
yet
they
accounted
for
(relative)
abundance
each
sphere.
Conclusion
Analysing
divergence
shared
characteristics
interlinked
redefines
tree
holobiont
concept
enhances
our
understanding
plant-associated
manner.
emphasizes
importance
examining
multiple
microbiome
components
thorough
ecology,
while
also
highlighting
existence
small
group
overlapping
play
bigger
role
previously
anticipated.