Agroecosystems
play
a
crucial
role
in
carbon
sequestration
and
reducing
atmospheric
CO2
emissions
by
storing
organic
soil.
Soil
fertility
productivity
are
essential
for
global
crop
demands
depend
on
soil
matter,
particularly
humic
substances
(HS).
HS
is
health
as
it
involves
the
cycle,
supplies
nutrients
plants,
reduces
emission
of
pollutants
through
microbial
processes
enhancement
sequestration.
Humification
natural
process
matter
stabilization,
playing
maintaining
content
storage.
Laccase
used
to
polymerize
monomeric
compounds
such
phenols
their
derivatives
into
highly
polymerized
HS.
We
screened
five
cellulose-degrading
isolates,
among
which
three
strains
demonstrate
lignin-degrading
capabilities.
WSC-7
exhibited
highest
laccase
activity
showed
high
similarity
[99.51%]
Arthrobacter
defluvii
based
16S
rDNA
analysis.
Strain
LiPK-078-5
nutrient
broth
medium
Difco
Sporulation
Medium
optimal
catalytic
catechol,
indicating
efficiency
aromatic
polymerization
soluble
carbon.
The
addition
rice
husk
biochar
with
LiPK-078-5,
WSC-6,
increased
effectively.
synthesis
increases
greenhouse
gas
environment.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(48), С. 19965 - 19978
Опубликована: Ноя. 16, 2023
Bioaerosol
pollution
poses
a
substantial
threat
to
human
health
during
municipal
food
waste
(FW)
recycling.
However,
bioaerosol-borne
antibiotic-resistant
genes
(ARGs)
have
received
little
attention.
Herein,
48
metagenomic
data
were
applied
study
the
prevalence
of
PM2.5-borne
ARGs
in
and
around
full-scale
treatment
plants
(FWTPs).
Overall,
FWTP
PM2.5
(2.82
±
1.47
copies/16S
rRNA
gene)
harbored
comparable
total
abundance
that
wastewater
plant
(WWTP),
but
was
significantly
enriched
with
multidrug
type
(e.g.,
AdeC/I/J;
p
<
0.05),
especially
abundant
could
serve
as
effective
indicators
define
resistome
profiles
FWTPs
(Random
Forest
accuracy
>92%).
exhibited
decreasing
enrichment
along
FWTP–downwind–boundary
gradient,
eventually
reaching
levels
urban
(1.46
0.21
gene,
N
=
12).
The
combined
analysis
source-tracking,
metagenome-assembled
genomes
(MAGs),
culture-based
testing
provides
strong
evidence
Acinetobacter
johnsonii-dominated
pathogens
contributed
shaping
disseminating
ARGs,
while
abiotic
factors
(i.e.,
SO42–)
indirectly
participated
these
processes,
which
deserves
more
attention
developing
strategies
mitigate
airborne
ARGs.
In
addition,
exposure
level
resistant
about
5–11
times
higher
than
those
PM2.5,
be
severe
hospital
certain
scenarios
(<41.53%).
This
work
highlights
importance
need
for
re-evaluating
air
induced
by
public
terms.
