Soil polluted system shapes endophytic fungi communities associated with Arundo donax: a field experiment
PeerJ,
Год журнала:
2025,
Номер
13, С. e18789 - e18789
Опубликована: Янв. 10, 2025
With
the
expansion
of
mining
industry,
environmental
pollution
from
microelements
(MP)
and
red
mud
(RM)
has
become
a
pressing
issue.
While
bioremediation
offers
cost-effective
sustainable
solution,
plant
growth
in
these
polluted
environments
remains
difficult.
Arundo
donax
is
one
few
plants
capable
surviving
RM-affected
soils.
To
identify
endophytic
fungi
that
support
A.
different
contaminated
to
inform
future
research
combining
mycorrhizal
techniques
with
hyperaccumulator
plants,
we
conducted
field
experiment.
The
study
compared
fungal
communities
grown
uncontaminated,
MP
soils
cadmium
(Cd),
arsenic
(As),
lead
(Pb),
RM-contaminated
Our
findings
showed
soil
nutrient
profiles
differed
by
contamination
type,
Cd
concentrations
exceeding
national
standards
(GB
15168-2018)
RM
characterized
high
aluminum
(Al),
iron
(Fe),
alkalinity.
There
were
significant
differences
community
structures
across
three
types
(
p
<
0.001).
Co-occurrence
network
analysis
revealed
exhibited
competitive
niche
dynamics,
whereas
tended
share
niches.
Notably,
Pleosporales
sp.,
which
accounted
for
18%
relative
abundance
soils,
was
identified
as
dominant
beneficial
endophyte,
making
it
promising
candidate
efforts.
This
provides
valuable
insights
into
role
phytoremediation
highlights
their
potential
resources
improving
plant-microbe
interactions
environments.
Язык: Английский
Comparative analysis of mycorrhizal communities associated with Struthiopteris spicant (L.) Weiss across Europe and North America
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Июнь 4, 2024
Ferns
constitute
the
second
largest
group
of
vascular
plants.
Previous
studies
have
shown
that
diversity
and
composition
fern
communities
are
influenced
by
resource
availability
water
stress,
among
other
factors.
However,
little
is
known
about
influence
these
environmental
factors
on
their
biotic
interactions,
especially
regarding
relationship
between
mycorrhizal
fungi
ferns.
The
present
study
compares
associated
with
36
populations
Struthiopteris
spicant
L.
Weiss
across
Europe
North
America.
This
species
exhibits
a
great
tolerance
to
variations
in
light,
nutrient,
pH
conditions,
it
can
survive
without
mycorrhizae.
With
aim
determining
which
impact
abundance
root-associated
fungal
this
species,
we
used
an
ITS-focused
metabarcoding
approach
identify
analyzed
climatic
edaphic
variables
at
global
regional
scales.
We
encountered
striking
differences
relative
arbuscular
(AMF)
S.
both
spatial
levels.
recorded
total
902
ASVs,
but
only
2-
4%
was
observed
each
individual,
revealing
had
unique
community.
Light
interactive
action
soil
nitrogen
concentration
showed
positive
AMF
abundance,
explaining
89%
variance.
could
explain
4-
8%
variability
community
composition,
indicating
might
be
determined
stochastic
processes.
These
results
support
hypothesis
ferns
may
more
independent
mycorrhization
than
plant
groups
interact
opportunistic
manner.
Язык: Английский