Response of Soil Microbiota, Enzymes, and Plants to the Fungicide Azoxystrobin
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(15), С. 8104 - 8104
Опубликована: Июль 25, 2024
The
present
study
was
aimed
at
assessing
the
impact
of
azoxystrobin-a
fungicide
commonly
used
in
plant
protection
against
pathogens
(Amistar
250
SC)-on
soil
microbiota
and
enzymes,
as
well
growth
development.
laboratory
experiment
conducted
three
analytical
terms
(30,
60,
90
days)
on
sandy
clay
(pH-7.0).
Azoxystrobin
applied
to
doses
0.00
(C),
0.110
(F)
32.92
(P)
mg
kg
Язык: Английский
Advancing Marker‐Gene‐Based Methods for Prokaryote‐Mediated Multifunctional Redundancy: Exploring Random and Non‐Random Extinctions in a Catchment
Freshwater Biology,
Год журнала:
2025,
Номер
70(3)
Опубликована: Март 1, 2025
ABSTRACT
Multifunctional
redundancy,
which
measures
the
extent
of
loss
in
multiple
ecosystem
functions
with
decreasing
biodiversity,
stands
as
a
crucial
index
for
evaluating
resilience
to
environmental
changes.
Previous
studies
have
assessed
functional
redundancy
by
overlap
traits
or
among
taxonomic
units,
but
quantifying
these
experimentally
each
unit
is
challenging
and
resource‐intensive,
especially
microorganisms.
In
this
study,
we
aimed
refine
estimation
multifunctional
prokaryotic
communities
using
marker‐gene‐based
methodology.
We
used
bioinformatic
tool,
PICRUSt2,
predict
KEGG
ortholog
(KO)
composition
Amplicon
Sequence
Variant
(ASV)
16S
rRNA
gene
community‐wide
KO
richness
metric
genomic
multifunctionality.
Additionally,
introduced
refined
regression
on
vs.
ASV
curves,
providing
reliable
estimate
power‐law
exponent
within
computational
time
constraints,
serving
index.
To
quantify
variations
between
different
species
extinction
scenarios,
incorporated
various
non‐random
scenarios
alongside
random
one.
Finally,
elucidate
potential
mechanisms
contributing
applied
our
methodology
prokaryote
community
Lake
Biwa
four
its
inlet
rivers.
Our
was
effectively
validated
quantified
phenotypic
application
catchment
revealed
spatio‐temporal
redundancy.
analysis
demonstrated
lower
compared
rivers,
aiding
prioritising
conservation
targets
inferring
distinct
assembly
processes.
Future
directions
include
deeper
exploration
information
detailed
multifunctionality
quantification
refinement
scenarios.
This
study
demonstrates
promising
integration
prediction
modelling
biodiversity
loss,
offering
valuable
tool
effective
management.
Язык: Английский
On the uniqueness of functional redundancy
npj Biodiversity,
Год журнала:
2023,
Номер
2(1)
Опубликована: Ноя. 8, 2023
Язык: Английский
Long-term herbicide residues affect soil multifunctionality and the soil microbial community
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
283, С. 116783 - 116783
Опубликована: Июль 27, 2024
Residues
of
herbicides
with
the
extensive
applications
may
impact
soil
ecosystem
and
ultimately
threaten
agricultural
sustainability.
However,
effects
long-term
herbicide
residues
on
multifunctionality
microbial
community
remain
poorly
understood.
Here,
we
evaluated
relationships
between
communities
residual
concentrations
by
surveying
analyzing
62
black
samples
collected
from
an
area
in
northeastern
China.
Total
varied
35
to
568
μg/kg
samples.
The
response
increasing
exhibited
inverted
U-shaped
relationship
a
peak
at
approximately
310
μg/kg,
net
mineralized
organic
nitrogen
(Nm)
total
(TN)
exhibiting
same
trend.
Microbial
richness
was
significantly
lower
high
(>
HG)
compared
low
(<
LG).
In
addition,
relative
abundances
specific
keystone
genera
differed
LG
HG:
norank_f_Acetobacteraceae,
norank_f_Caldilineaceae,
Candidatus_Alysiosphaera,
Gonytrichum.
these
were
also
correlated
multifunctionality.
Structural
equation
models
(SEMs)
further
showed
that
influenced
affecting
genera.
Our
study
demonstrates
soil,
where
stimulate
while
inhibit,
underscoring
need
for
reasonable
application
maintain
health.
Язык: Английский