Further
improving
the
quality
of
surface
water
is
becoming
more
difficult
after
control
main
point-sources,
especially
in
complex
pollution
area
with
mixed
industrial
and
agricultural
productions,
whereas
source
apportionment
might
be
key
to
quantify
different
sources
developing
some
effective
measures.
In
this
study,
a
technical
framework
for
based
on
three-dimensional
fluorescence
microbial
traceability
model
developed.
Based
screening
environmental
factors
their
spatiotemporal
characteristics,
potential
have
been
tentatively
identified.
Then,
are
further
tested
analysis
excitation-emission
matrix
(EEM)
similarity
components
sources.
At
same
time,
correlation
between
species
constructed
by
analyzing
characteristics
composition
response
factors.
Therefore,
quantified
using
PCA-APCS-MLR,
Fast
Expectation-maximization
Microbial
Source
Tracking
(FEAST),
Bayesian
community-wide
culture-independent
tracking
(SourceTracker).
Overall,
results
these
three
methods
comparable
extent,
shows
accurate
identification
ability
environments
than
better
reflects
differences
at
various
points.
FEAST
exhibits
sensitive
shorter
calculation
time
SourceTracker,
thus
used
guide
precise
regional
control.
Environmental Science & Technology,
Год журнала:
2023,
Номер
58(1), С. 683 - 694
Опубликована: Дек. 15, 2023
The
coculture
theory
that
promotes
denitrification
relies
on
effectively
utilizing
the
resources
of
low-efficiency
microbes.
Here,
strains
Streptomyces
sp.
PYX97
and
TSJ96
were
isolated
showed
lower
capacity
when
cultured
individually.
However,
enhanced
nitrogen
removal
(removed
96.40%
total
nitrogen)
organic
carbon
reduction
92.13%
dissolved
carbon)
under
aerobic
conditions.
Nitrogen
balance
analysis
indicated
coculturing
efficiency
nitrate
converted
into
gaseous
reaching
70.42%.
Meanwhile,
promoted
cell
metabolism
source
metabolic
activity.
thrived
in
conditions
C/N
=
10,
alkalescence,
150
rpm
shaking
speed.
reduced
CODMn
raw
water
treatment
by
83.32
84.21%,
respectively.
During
this
treatment,
activity
density
increased
reactor.
Moreover,
could
utilize
aromatic
protein
soluble
microbial
products
during
processes
treatment.
This
study
suggests
inefficient
actinomycete
be
a
promising
approach
for
treating
polluted
bodies.
