Toxics,
Год журнала:
2024,
Номер
12(10), С. 692 - 692
Опубликована: Сен. 25, 2024
Prothioconazole
(PTC)
is
currently
a
popular
triazole
fungicide.
In
recent
years,
as
the
use
of
PTC
has
increased,
there
been
growing
concern
about
its
environmental
and
toxicological
effects.
Here,
we
studied
effect
on
growth
soybean
plants
further
analyzed
enzyme
activity
microbial
community
rhizosphere
soil
after
treatment
through
16S
rRNA
gene
high-throughput
sequencing
fungal
ITS.
Changes
in
structural
diversity
species
richness
were
measured
using
Simpson’s
index,
Shannon’s
index
Chao1
ACE
algorithms.
The
statistical
t-test
was
applied
to
test
whether
values
significantly
different
between
two
groups.
results
showed
that
contents
malondialdehyde
(MDA)
H2O2
increased
recommended
dose
PTC,
indicating
strong
toxic
plant
growth,
thus
affecting
healthy
plants.
presence
fungi
bacteria
decreased
all
three
types
(black
soil,
yellow
earth
red
earth),
structure
also
changed
(the
p-values
less
than
0.05).
Proteobacteria,
Actinomycetota,
Bacteroidota
Acidobacteriota
main
bacteria,
abundance
Chloroflexi
increased.
dominant
communities
Ascomycota
Mortierellomycota.
potentially
beneficial
microorganisms,
such
Sphingomonadaceae,
suggested
may
be
resistant
stress
by
recruiting
microorganisms.
PICRUSt
analysis
metabolism-related
functions
membrane
transport
pathway
bacterial
inhibited
stress.
Spearman
correlation
revealed
weak
key
taxa
variables
PTC.
Therefore,
compared
with
those
community,
more
likely
help
resist
stress,
these
groups
indirectly
under
community.
Proceedings of the National Academy of Sciences,
Год журнала:
2025,
Номер
122(2)
Опубликована: Янв. 9, 2025
Pesticide
application
is
essential
for
stabilizing
agricultural
production.
However,
the
effects
of
increasing
pesticide
diversity
on
soil
microbial
functions
remain
unclear,
particularly
under
varying
nitrogen
(N)
fertilizer
management
practices.
In
this
study,
we
investigated
stochasticity
microbes
and
multitrophic
networks
through
amplicon
sequencing,
assessed
community
related
to
carbon
(C),
N,
phosphorus
(P),
sulfur
(S)
cycling,
characterized
dominant
bacterial
life
history
strategies
via
metagenomics
along
a
gradient
two
N
addition
levels.
Our
findings
show
that
higher
enriches
abundance
specialists
opportunists
capable
degrading
or
resisting
pesticides,
reducing
proportion
generalists
in
absence
addition.
These
shifts
can
complicate
networks.
Under
increased
diversity,
selective
pressure
may
drive
bacteria
streamline
their
average
genome
size
conserve
energy
while
enhancing
C,
P,
S
metabolic
capacities,
thus
accelerating
nutrient
loss.
comparison,
was
found
reduce
niche
differentiation
at
mitigating
impacts
network
complexity
functional
traits
associated
with
ultimately
alleviating
results
reveal
contrasting
different
input
scenarios
emphasize
strategic
mitigate
ecological
use
systems.
Egyptian Journal of Biological Pest Control,
Год журнала:
2025,
Номер
35(1)
Опубликована: Янв. 11, 2025
Abstract
Background
Microbial
pesticides,
derived
from
microorganisms
such
as
bacteria,
fungi,
and
viruses,
present
sustainable
alternatives
to
chemical
thereby
promoting
environmentally
friendly
agricultural
practices.
This
bibliometric
analysis
examines
the
evolution
of
microbial
pesticide
research
1973
October
2024,
utilizing
Scopus
database
identify
trends,
geographic
distribution,
collaboration
networks,
key
areas.
Results
A
total
247
articles
were
analyzed,
revealing
an
annual
growth
rate
5.16%,
with
a
significant
increase
in
publications
over
recent
decades.
upward
trend
indicates
shift
towards
ecologically
conscious
pest
management.
China
leads
output
341
publications,
followed
by
USA
(227)
India
(126),
highlighting
strong
international
collaboration,
particularly
between
USA,
where
many
are
co-authored
researchers
multiple
countries.
The
primary
areas
include
Agricultural
Biological
Sciences,
alongside
substantial
contributions
Environmental
Science
Immunology.
identified
thematic
clusters,
emphasizing
agents
Bacillus
thuringiensis
for
control
agent.
Key
journals,
including
Biocontrol
Technology
,
Journal
Biopesticides
Invertebrate
Pathology
serve
essential
platforms
disseminating
these
findings.
Conclusion
findings
reflect
increasing
recognition
pesticides
integrated
management,
aligning
global
trends
toward
practices
food
safety
reducing
reliance
on
pesticides.
Contributions
institutions
Fujian
Agriculture
Forestry
University
Guizhou
further
highlight
academic
support
driving
advancements
this
field.
Microorganisms,
Год журнала:
2025,
Номер
13(4), С. 806 - 806
Опубликована: Апрель 1, 2025
Difenoconazole
and
imidacloprid
are
key
components
of
seed-coating
agents,
which
alter
soil
microbial
community
structure
function
after
application.
Existing
studies
mainly
focus
on
the
environmental
effects
their
spraying
application,
while
research
impacts
ecosystem
when
used
as
agents
is
relatively
limited.
Through
field
experiments,
this
study
systematically
evaluated
compared
difenoconazole
seed
coatings
wheat
rhizosphere
communities
ecological
functions
by
measuring
enzyme
activities,
employing
16S
rRNA
ITS
high-throughput
sequencing
technologies
predicting
KEGG
functional
pathways.
The
results
showed
that
significantly
reduced
bacterial
diversity,
particularly
under
high-dosage
treatment
(0.18
g
a.i./kg
seed),
with
a
5.80%
decrease
in
diversity
day
30.
This
most
strongly
inhibited
phyla
Bacteroidota
Myxococcota,
maximum
reductions
23.87%
63.57%,
respectively.
However,
abundance
Actinobacteriota
increased,
increase
38.53%.
Additionally,
fungal
increased
both
treatments.
Both
altered
from
days
20
to
60,
recovery
occurring
120.
Furthermore,
pathway
analysis
revealed
seed)
activated
pathways
such
cell
motility,
signal
transduction,
membrane
transport,
whereas
standard
dosage
(0.12
exhibited
metabolic
suppression.
elucidates
dynamic
agent
application
communities,
providing
theoretical
support
for
rational
pesticide
use
optimization
agricultural
strategies.
Use
of
synthetic
microbial
communities
(SynComs)
is
a
promising
approach
that
harnesses
nature-based
solutions
to
support
soil
fertility
and
food
security,
mitigate
climate
change
impacts,
restore
terrestrial
ecosystems.
Several
products
are
in
the
market,
many
others
at
different
stages
development
commercialization.
Yet,
we
still
far
from
being
able
fully
harness
potential
successful
applications
such
biotechnological
tools.
The
limited
field
efficiency
efficacy
SynComs
have
significantly
constrained
commercial
opportunities,
resulting
market
growth
falling
below
expectations.
To
overcome
these
challenges
manage
expectations,
it
critical
address
current
limitations,
failures,
environmental
consequences
SynComs.
In
this
Viewpoint,
explore
how
using
multiple
eco-evolutionary
theories
can
inform
SynCom
design
success.
We
further
discuss
status
identify
next
steps
needed
develop
deploy
next-generation
tools
boost
their
ability
ecosystem
services,
including
security
sustainability.
