Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Май 22, 2024
In
modern
ecological
systems,
the
overuse
and
misuse
of
antibiotics
have
escalated
prevalence
antibiotic
resistance
genes
(ARGs)
mobile
genetic
elements
(MGEs),
positioning
them
as
emerging
environmental
contaminants.
Notably,
composting
serves
a
sustainable
method
to
recycle
agricultural
waste
into
nutrient-rich
fertilizer
while
potentially
reducing
ARGs
MGEs.
This
study
conducted
47-day
experiment
using
pig
manure
corn
straw,
supplemented
with
chitin
N-Acetyl-D-glucosamine,
explore
impact
these
additives
on
dynamics
MGEs,
unravel
interplay
between
microbial
communities
in
composting.
Results
showed
that
adding
5%
significantly
postponed
thermophilic
phase,
yet
enhanced
removal
efficiency
total
MGEs
by
over
20%
compared
control.
Additionally,
addition
N-Acetyl-D-glucosamine
increased
abundance
tetracycline-resistant
sulfonamide-resistant
genes,
well
High-throughput
sequencing
revealed
bacterial
α-diversity,
providing
diverse
hosts
for
Resistance
mechanisms,
predominantly
efflux
pumps
deactivation,
played
pivotal
role
shaping
resistome
process.
Co-occurrence
network
analysis
identified
key
phyla
Proteobacteria
,
Firmicutes
Gemmatimonadota
Myxococcota
transformation
dissemination.
Redundancy
indicated
physicochemical
factors,
particularly
carbon-to-nitrogen
ratio
emerged
critical
variables
influencing
The
findings
lay
foundation
developing
regulation
reduce
risks
animal
composts.
Abstract
Phosphorus
(P)
is
a
macronutrient
that
plants
need
to
grow.
However,
most
of
the
soil’s
phosphorus
still
insoluble,
making
it
difficult
for
absorb.
This
creates
barrier
ecologically
responsible
farming
methods
and
calls
innovative
approaches
solubilization.
Solublizing
microorganisms
improve
availability
phosphorous
in
soil.
The
term
“phosphorus-solubilizing
microorganisms”
(PSMs)
describes
various
fungi
or
bacteria
divide
into
more
soluble
forms.
It
shows
how
PSMs
interact
with
their
processes
solubilize
phosphorus.
Soil
pH,
temperature,
nutrient
are
only
few
parameters
affecting
its
activity.
investigated
potential
increase
plant
absorption
use,
thereby
boosting
agricultural
yield
usage
efficiency.
use
effects
on
environment
also
evaluated.
By
using
PSMs,
farmers
may
less
chemical
fertilizers
contribute
runoff
eutrophication
waterways.
Furthermore,
soil
structure,
decrease
losses,
cycling,
all
which
health
long-term
viability
systems.
Phosphorus-solubilizing
have
enormous
promise
environmentally
land
management.
Better
availability,
greater
output,
pollution,
better
possible
outcomes
PSMs.
further
study
required
determine
best
application
strategies,
formulations,
choices
Incorporating
operations
can
potentially
environmental
sustainability
resilience.
article
will
explore
addressing
critical
challenges,
including
erosion,
runoff,
sustainable
practices,
resource
conservation.
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