Integrating viruses into soil food web biogeochemistry
Nature Microbiology,
Год журнала:
2024,
Номер
9(8), С. 1918 - 1928
Опубликована: Авг. 2, 2024
Язык: Английский
Growth of soil ammonia-oxidizing archaea on air-exposed solid surface.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 17, 2024
Abstract
Soil
microorganisms
often
thrive
as
microcolonies
or
biofilms
within
pores
of
soil
aggregates
exposed
to
the
atmosphere.
However,
previous
studies
on
physiology
ammonia-oxidizing
(AOM),
which
play
a
critical
role
in
nitrogen
cycle,
were
primarily
conducted
using
freely
suspended
AOM
cells
(planktonic
cells)
liquid
media.
In
this
study,
we
examined
growth
two
representative
archaea
(AOA),
Nitrososphaera
viennensis
EN76
and
“
Nitrosotenuis
chungbukensis
”
MY2,
an
bacterium,
Nitrosomonas
europaea
ATCC
19718
polycarbonate
membrane
filters
floated
media
observe
their
adaptation
air-exposed
solid
surfaces.
Interestingly,
ammonia
oxidation
activities
N.
MY2
significantly
repressed
floating
compared
Conversely,
activity
was
comparable
developed
filters.
Transcriptome
analysis
filter-grown
revealed
upregulation
unique
sets
genes
for
cell
wall
extracellular
polymeric
substance
biosynthesis,
H
2
O
-induced
oxidative
stress
defense,
oxidation,
including
monooxygenase
subunit
C
(
amoC3
)
multicopper
oxidases.
These
may
pivotal
adapting
AOA
Furthermore,
filter
technique
resulted
enrichment
distinct
communities
dominated
by
Ca
.
Nitrosocosmicus”
clade.
Overall,
study
sheds
light
adaptive
mechanisms
governing
Язык: Английский
Growth of soil ammonia-oxidizing archaea on air-exposed solid surface
ISME Communications,
Год журнала:
2024,
Номер
4(1)
Опубликована: Янв. 1, 2024
Язык: Английский
Regulating Denitrification in Constructed Wetlands: The Synergistic Role of Radial Oxygen Loss and Root Exudates
Water,
Год журнала:
2024,
Номер
16(24), С. 3706 - 3706
Опубликована: Дек. 22, 2024
Constructed
wetland
(CW)
is
a
critical
ecological
engineering
for
wastewater
treatment
and
improvement
of
water
quality.
Nitrogen
(N)
removal
one
the
vital
functions
CWs
during
operation,
N
in
mainly
affected
by
aquatic
plants
denitrification
carried
out
microbes.
However,
due
to
their
low
efficiency
instability
removal,
further
applications
are
limited.
The
review
provides
view
two
basic
characteristics
plants,
radial
oxygen
loss
(ROL)
root
exudates,
coupled
effect
on
processes
CWs.
First,
role
presented.
individual
roles
ROL
exudates
regulating
denitrification,
as
well
interaction
this
process,
have
been
discussed.
Also,
limitation
conventional
techniques
reveal
between
plant
microbes
has
highlighted.
Further
research
coupling
regulatory
mechanisms
may
be
conducted
develop
an
optimal
design
improve
biological
removal.
This
offers
new
insights
directions
improving
utilizing
synergistic
effects
exudates.
Язык: Английский