Microplastics
(MPs)
have
become
a
global
hotspot
due
to
their
widespread
distribution
in
recent
years.
MPs
frequently
interact
with
dissolved
organic
matter
(DOM)
and
microbes,
thereby
influencing
the
carbon
fate
of
soils.
However,
role
plant
presence
regulating
MPs-mediated
changes
DOM
microbial
structure
remains
unclear.
Here,
we
compared
mechanisms
soil
response
3
common
nonbiodegradable
absence
or
radish
(Raphanus
sativus
L.
var.
radculus
Pers)
plants.
Fourier
transform
ion
cyclotron
resonance
mass
spectrometry
(FT-ICR-MS)
analysis
revealed
that
reduced
chemodiversity
biodiversity
(DOM).
enhanced
degradation
lignin-like
compounds
stability.
Comparative
showed
caused
less
disturbance
composition
metabolism
planted
than
unplanted
soil.
In
soil,
stimulated
fermentation
while
upregulating
photoautotrophic
activity
enhancing
system
The
rhizosphere
effect
mitigated
MPs-induced
CO2
emissions.
Overall,
our
study
highlights
crucial
effects
maintaining
ecosystem
stability
under
microbe-DOM-pollutant
interactions,
which
provides
theoretical
basis
for
predicting
resistance,
resilience,
transitions
upon
exposure
anthropogenic
source.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Abstract
Our
aim
was
to
assess
the
physical
and
biochemical
properties
of
soil,
chemodiversity
dissolved
soil
organic
matter
(SOM),
arbuscular
mycorrhizal
fungi
(AMF)
community
associated
with
Ocotea
porosa
forests
in
Brazilian
Atlantic
Forest
biome.
We
evaluated
(i)
using
standard
protocols,
(ii)
SOM
its
optical
characterization
via
Fourier‐transform
ion
cyclotron
resonance
mass
spectrometry,
(iii)
AMF
structure
root
colonization
through
morphological
characterization.
The
highest
values
for
Ca
2+
,
Mg
SOM,
S,
P,
K
+
Zn
geometric
mean
diameter,
weighted
average
microbial
C
biomass,
respiration,
total
glomalin,
colonization,
oxalic
malic
acids,
carbohydrates,
lipids,
proteins/amino
sugars,
biological
index,
fluorescence
index
were
observed
preserved
plots.
also
found
differences
land
conservation
status:
Acaulosporaceae
Gigasporaceae
strongly
correlated
Claroideoglomus
claroideum
Funneliformis
mosseae
Rhizophagus
intraradices
more
prevalent
degraded
This
has
potential
increase
sequestration,
mitigate
climate
change,
contribute
preservation
an
endangered,
century‐old
tree
species
