Effect of carbon source on carbon and nitrogen metabolism of common heterotrophic nitrification-aerobic denitrification pathway
Jiyan Lu,
Yue Tan,
Shanghong Tian
и другие.
Chemosphere,
Год журнала:
2024,
Номер
361, С. 142525 - 142525
Опубликована: Июнь 3, 2024
Язык: Английский
New insights into microbial community for simultaneous removal of carbon and nitrogen via heterotrophic nitrification aerobic denitrification process
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(3), С. 112896 - 112896
Опубликована: Апрель 25, 2024
Язык: Английский
Denitrification Mechanism of Heterotrophic Aerobic Denitrifying Pseudomonas hunanensis Strain DC-2 and Its Application in Aquaculture Wastewater
Water,
Год журнала:
2024,
Номер
16(11), С. 1625 - 1625
Опубликована: Июнь 6, 2024
A
novel
heterotrophic
aerobic
denitrifying
Pseudomonas
hunanensis
strain
DC-2
was
screened
from
the
sediments
of
Lake
Dianchi
and
identified
with
high
nitrification/denitrification
ability.
Within
30
h,
removal
efficiency
ammonium-N
nitrate-N
could
reach
98.8%
88.4%,
respectively.
The
results
single-factor
experiments
indicated
that
exhibited
excellent
denitrification
ability
under
conditions
using
sodium
citrate
as
nitrogen
source,
an
initial
pH
7,
a
C/N
ratio
10,
temperature
°C.
Nitrogen
balance
suggested
this
removed
N
mainly
via
assimilation.
Moreover,
pathway
explored
by
genome
enzymatic
assays,
complex
metabolism
established,
including
nitrification-aerobic
(HN-AD),
assimilatory
reduction
nitrate
(ANRA),
ammonia
Additionally,
immobilized
into
particles
for
denitrification,
demonstrating
efficacy
in
continuous
total
(84.8%
TN).
Hence,
demonstrated
significant
potential
treating
real
aquaculture
wastewater.
Язык: Английский
Enhanced nitrogen removal through bioaugmentation with Stutzerimonas stutzeri SW22: From denitrification mechanism to optimized sequencing batch reactor
Journal of Water Process Engineering,
Год журнала:
2025,
Номер
71, С. 107252 - 107252
Опубликована: Фев. 13, 2025
Язык: Английский
Characterization and performance of efficient heterotrophic nitrification and aerobic denitrification by Comamonas testosteroni HR5 under low temperature and high alkalinity
Journal of Water Process Engineering,
Год журнала:
2025,
Номер
72, С. 107474 - 107474
Опубликована: Март 13, 2025
Язык: Английский
Sulfur cycle process accelerates microbial fuel cells driven denitrification system: Low sulfate yield and enrichment of functional microorganisms
Bioresource Technology,
Год журнала:
2025,
Номер
unknown, С. 132432 - 132432
Опубликована: Март 1, 2025
Язык: Английский
Elucidating biogeochemical characterization of nitrogen in the vadose zone integrating geochemistry, microorganism, and numerical simulation
The Science of The Total Environment,
Год журнала:
2024,
Номер
947, С. 174687 - 174687
Опубликована: Июль 10, 2024
Язык: Английский
Identification and genomic analysis of a thermophilic bacterial strain that reduces ammonia loss from composting
Microbiology Spectrum,
Год журнала:
2024,
Номер
12(10)
Опубликована: Авг. 20, 2024
ABSTRACT
Ammonia
loss
is
the
most
severe
during
high-temperature
stage
(>50°C)
of
aerobic
composting.
Regulating
ammonia
volatilization
this
period
via
thermophilic
microbes
can
significantly
improve
nitrogen
content
compost
and
reduce
air
pollution
due
to
loss.
In
study,
an
ammonia-assimilating
bacterial
strain
named
LL-8
was
screened
out
as
having
strongest
conversion
rate
(32.7%)
at
high
temperatures
(50°C);
it
able
42.9%
volatile
in
chicken
manure
composting
when
applied
a
stage.
Phylogenetic
analysis
revealed
that
highly
similar
(>98%)
with
Priestia
aryabhattai
B8W22
T
identified
aryabhatta
.
Genomic
analyses
indicated
complete
genome
comprised
5,060,316
base
pairs
GC
32.7%
encoded
5,346
genes.
Genes,
such
gudB
,
rocG
glnA
gltA
gltB
enable
bacteria
assimilate
ammonium
were
annotated
based
on
comparison
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
database.
The
results
implied
application
P.
would
be
promising
solution
mitigate
IMPORTANCE
Aerobic
one
essential
ways
recycle
organic
waste,
but
its
significant
loss,
especially
period,
which
also
harmful
environment.
use
source
helpful
we
called
temperature
(50°C)
resistance
strong
ability.
It
effects
decreasing
whole-genome
could
utilize
by
assimilation
decrease
volatilization.
Our
work
provides
theoretical
basis
for
functional
control
from
Язык: Английский
New Insights into Microbial Community for Simultaneous Removal of Carbon and Nitrogen Via Heterotrophic Nitrification Aerobic Denitrification Process
Опубликована: Янв. 1, 2024
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Язык: Английский
Characterization of the Heterotrophic Nitrifying-Aerobic Denitrifying Bacterium Citrobacter Freundii Zb403 at Low C/N and High Ammonia-Nitrogen: Response Surface Methodology Optimization, Kinetic Modeling, and Denitrification Pathway
Опубликована: Янв. 1, 2024
Citrobacter
freundii
ZB403
isolated
from
activated
sludge
has
heterotrophic
nitrification-aerobic
denitrification
(HN-AD)
capacity.
was
most
effective
in
nitrogen
removal
when
C/N=5.16,
temperature
25.13°C,
and
initial
NH4+-N
735.93
mg·L-1.
Under
the
above
conditions,
average
rate
(NRR)
11.99
mg·(L·h)-1,
highest
NRR
28.05
mg·(L·h)-1.
PCR
successfully
amplified
functional
genes
hao,
napA,
narG
nirK
that
are
associated
with
HN-AD
predicted
pathway.
The
results
indicated
shows
promising
potential
for
application
wastewater
biological
treatment
due
to
its
performance,
which
can
produce
at
low
C/N
high
ammonia-nitrogen.
Язык: Английский