Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(30), P. 10919 - 10928
Published: July 21, 2023
Artificial
sweeteners
have
been
frequently
detected
in
the
feedstocks
of
anaerobic
digestion.
As
these
can
lead
to
shift
microbiota
gut
similar
that
caused
by
antibiotics,
we
hypothesize
they
may
an
antibiotic-like
impact
on
antibiotic
resistance
genes
(ARGs)
However,
current
understanding
this
topic
is
scarce.
This
investigation
aimed
examine
potential
acesulfame,
a
typical
artificial
sweetener,
ARGs
digestion
using
metagenomics
sequencing
and
qPCR.
It
was
found
acesulfame
increased
number
ARG
classes
abundance
during
The
mobile
genetic
elements
(MGEs)
hosts
also
under
exposure,
suggesting
enhanced
horizontal
gene
transfer
ARGs,
which
further
confirmed
correlation
analysis
between
absolute
abundances
targeted
MGEs.
dissemination
be
associated
with
SOS
response
induced
ROS
production,
cellular
membrane
permeability.
These
findings
indicate
accelerate
spread
through
digestate
disposal,
thus
corresponding
strategies
should
considered
prevent
risks
practice.
Environmental Technology & Innovation,
Journal Year:
2023,
Volume and Issue:
31, P. 103233 - 103233
Published: June 3, 2023
Anaerobic
digestion
(AD)
is
an
effective
bioconversion
technology
widely
used
to
treat
agricultural
waste
and
reduce
environmental
pollution.
Although
AD
has
been
commonly
applied
practical
social
needs,
low
yield
reactor
instability
limit
its
performance.
In
this
study,
potato,
rape,
wheat
straw
were
pyrolyzed
biochar
at
600
°C
added
a
batch
system
improve
biogas
yield.
Biochemical
methane
potential
test
was
assess
the
production.
The
results
showed
that
three
had
similar
efficiency
increased
cumulative
production
(35.45%–52.66%)
compared
with
in
control
group
(818.5
mL).
Potato
presented
highest
(1249.5
Significant
differences
microbial
communities
between
groups
noticed.
community
structure
significantly
related
properties.
addition
of
abundance
Methanobrevibacter
by
2–147
times.
This
study
provides
reference
for
application
promote
