Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Сен. 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.
Symbiosis,
Год журнала:
2024,
Номер
92(2), С. 289 - 304
Опубликована: Март 1, 2024
Abstract
The
plant
compartment
niche
(i.e.,
the
host
provides
various
microhabitats
for
microbial
community,
such
as
rhizosphere,
root
endosphere,
leaf
and
phylloplane)
species
play
a
significant
role
in
shaping
plant-associated
community
assembly.
However,
mycobiome
associated
with
alpine
herbs
subnival
belt
research,
little
work
has
been
done
to
assess
contribution
of
niches
fungal
variation
reveal
differentiation
communities.
In
this
study,
we
quantified
communities
rhizosphere
soil,
endospheres,
endospheres
three
(
Rheum
spiciforme
,
Eriophyton
wallichii
Rhodiola
bupleuroides
)
Qiangyong
glacier
using
high-throughput
DNA
sequencing.
Our
results
revealed
that
diversity
composition
was
predominantly
shaped
by
rather
than
species.
Rhizosphere
soil
exhibited
highest
level
breadth,
while
lowest
observed
endosphere.
significantly
differed
across
different
niches.
Fungal
co-occurrence
networks
endosphere
were
more
complex
showed
higher
centrality
connectedness
soil.
Moreover,
also
found
deterministic
process
governed
assembly,
exerts
stronger
selection
pressure
on
endophytes
comparison
endophytes.
are
primary
potential
contributors
endophytes,
compared
Further,
Pleosporaceae
Davidiellaceae,
Chaetomiaceae
enriched
overlapped
two
(root
endosphere).
Collectively,
study
reveals
primarily
affected
Additionally,
diversity,
composition,
pattern,
assembly
differentiation.
These
provide
novel
insight
into
ecological
interactions
plants
harsh
environments.
Frontiers in Forests and Global Change,
Год журнала:
2023,
Номер
5
Опубликована: Янв. 12, 2023
The
population
of
the
Korean
fir,
Abies
koreana
,
is
declining
at
an
accelerating
rate,
and
average
mortality
rate
in
2019
exceeded
36.43%
on
Mt.
Hallasan
Jeju
Island,
Republic
Korea.
Several
prior
studies
have
reported
different
reasons
with
various
interpretations,
indicating
that
additional
data,
such
as
data
microbial
communities
promote
plant
growth
resistance
to
abiotic
stresses,
are
required
understand
phenomenon
further.
This
first
investigation
documents
changes
soil
fungal
community
physicochemical
properties
resulting
from
death
fir.
In
our
case,
high
throughput
sequencing
been
provided
for
microbiome
mycobiome
fir
trees,
identifying
composition
differences
before
after
decline
health
trees.
results
showed
was
considerably
shaped
response
rather
than
bacterial
community.
or
trees
contributed
decrease
diversity
dominance
symbiotic
fungi
Russula
Sebacina
Phenoliferia
forest
ecosystem.
It
also
weakened
complexity
ecological
competition
co-occurrence
network.
Structural
equation
modeling
strongly
associated
concentrations
nutrients
available
phosphorus
(P
2
O
5
)
potassium
ion
(K
+
low
moisture
content,
adversely
affecting
relationship
ectomycorrhizal
fungi.
Our
findings
shed
light
critical
taxa
live
dead
A.
plants
their
edaphic
factors,
highlighting
potential
role
biomarkers
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 24, 2024
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
ITS3/ITS4
amplicons
from
864
samples
collected
four
distinct
habitats—leaves,
twigs,
litter,
soil.
identified
11,600
amplicon
sequence
variants
(ASVs),
with
differing
significantly
between
other.
Phyllosphere
(leaves
twigs)
exhibited
higher
diversity
compared
Habitat
type
long-term
precipitation
emerged
as
most
influential
factors
driving
composition,
clear
distance-decay
relationship
observed
leaf
twig
but
not
Random
analysis
accurately
classified
based
on
ASVs’
relative
abundances,
strong
predictors
were
mostly
endemic
ASVs
prevalent
Misclassified
due
secondary
contact
adjacent
habitats.
Co-occurrence
network
revealed
more
complex
deterministic
networks
while
soil
was
driven
by
stochastic
processes
contained
ASVs.
A
Cladosporium
sp.
keystone
species,
maintaining
stability
Conclusion
This
study
reveals
shape
communities
forests,
dominating
some
stochasticity
playing
key
role
others.
show
taxa
drivers
cohesion.
These
findings
highlight
importance
studying
coexisting
gain
deeper
understanding
biogeography
ecosystem
function.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Abstract
The
diversity
of
plant-associated
microbial
communities
is
shaped
by
both
host
factors
and
the
environment.
Natural
environmental
gradients,
specifically
elevational
ones,
can
serve
as
study
systems
to
understand
community
ecosystem
responses
changes,
however
relationship
between
elevation
not
completely
understood,
especially
in
non-model
such
wild
plants.
In
this
paper
we
explored
role
shaping
structure
rhizosphere
phyllosphere
cloud
forest
tree
fern
Cyathea
fulva.
Samples
phyllosphere,
soil
were
collected
from
15
individual
ferns
across
five
plots
along
an
gradient
ranging
1978
2210
meters
above
sea
level.
Physicochemical
data
collected,
with
all
plots.
Using
16S
rRNA
ITS1
amplicon
sequencing,
tested
for
differences
composition
bacterial
fungal
their
potential
abiotic
drivers.
We
found
that
alpha
decreased
rhizosphere,
but
fungi
pattern
was
only
rhizosphere.
also
observed
significant
changes
Our
results
suggest
a
close
overall
associated
ferns.
envision
information
will
help
further
dynamics
microbiota
plants,
contributing
conservation
necessary
interactions
plants
ecosystems
wellbeing.
Journal of Fungi,
Год журнала:
2024,
Номер
10(12), С. 817 - 817
Опубликована: Ноя. 25, 2024
Boletaceae,
the
largest
and
most
diverse
family
of
Boletales
(Agaricomycetes
Basidiomycota),
is
both
ecologically
economically
important.
Although
many
taxa
have
been
described
in
China,
diversity
still
remains
incompletely
understood.
In
present
study,
Forests,
Год журнала:
2023,
Номер
14(11), С. 2120 - 2120
Опубликована: Окт. 24, 2023
Relatively
little
is
known
about
whole-plant
fungal
communities
(mycobiome)
and
associated
soil
nematodes,
especially
with
respect
to
woody
plant
seedlings
disturbance
caused
by
forest
harvesting.
In
a
growth
chamber
experiment,
we
tested
simulated
clear-cut
conditions
on
shoot
biomass,
total
nematode
density,
the
root
mycobiome
of
Douglas-fir,
Pseudotsuga
menziesii
(Mirb.)
Franco,
seedlings.
Soil
treatments
included
unamended
bare
amended
segments
kinnikinnick,
Arctostaphylos
uva-ursi
(L.)
Spreng.,
pinegrass,
Calamagrostis
rubescens
Buckley,
or
P.
We
used
next-generation
Illumina
sequencing
PIPITS
pipeline
obtain
taxa
for
community
richness
Jaccard-based
taxonomic
normalized
stochasticity
ratio
assess
assembly
stochasticity.
Total
measured
from
Baermann
funnel
extractions,
increased
in
soils
supplemented
A.
C.
segments.
Root
mycobiomes
were
more
stochastic
than
conditions,
whereas
was
treatment
treatment.
Our
results
suggest
that
refugia
plants
impact
phyto-biome,
this
case
plant-associated
nematodes
assembly,
while
not
showing
noticeable
impacts
above-ground
growth.
Asian Journal of Mycology,
Год журнала:
2023,
Номер
unknown, С. 305 - 317
Опубликована: Янв. 1, 2023
Soil
fungi
are
diverse
and
abundant
organisms.
However,
our
knowledge
of
the
global
diversity
distribution
soil
is
limited.
This
study
uses
Global
Mycobiome
Consortium
(GSMc)
dataset
to
explore
assortment
in
Thailand.
The
aimed
evaluate
richness
Thailand,
identify
dominant
fungal
taxa
functional
groups
present
Thai
soils,
examine
impact
land
use
fire
on
We
identified
18,209
OTUs,
which
Ascomycota
Basidiomycota
were
most
all
conditions.
also
found
that
ectomycorrhizal
saprotrophs
primary
lifestyles,
accounting
for
around
20%.
Our
results
provide
novel
insights
into
Thailand
contribute
understanding
ecology
tropical
regions.
paper
invites
collaboration
this
ecosystem
further.
Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Март 22, 2022
Abstract
Background
Deciphering
the
local
diversity
and
community
assembly
of
plant-associated
microorganisms
is
crucial
to
better
predict
ecological
functioning
in
forest
ecosystems.
The
differences
microbial
pattern
between
plant
aboveground
belowground
compartments,
however,
are
less
documented.
Here,
we
examined
bacterial
communities
leaf-
(endophytic
epiphytic)
root-
(root
rhizospheric
soil)
associated
habitats
13
tree
species
a
subtropical
ecosystem.
Results
α-diversity
(phylotype
richness)
substantially
differed
across
four
habitats,
with
highest
lowest
values
observed
soil
leaf
endophytic
respectively.
variations
amongst
were
more
obvious
epiphytic
than
their
corresponding
roots
soils.
compositions
different
significantly
divergent
root-associated
habitats.
Moreover,
deterministic
processes
dominated
assembly,
whereas
stochastic
primarily
affected
root
Leaf
nutrients
(nitrogen
phosphorus)
pH
main
factors
influencing
root-related
compositions,
Conclusions
This
study
highlights
contrasting
patterns
root-inhabiting
bacteria.
Our
findings
contribute
understanding
maintenance
mechanisms
