Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Dec. 20, 2023
Prokaryotic
communities
play
important
roles
in
sewer
sediment
ecosystems,
but
the
community
composition,
functional
potential,
and
assembly
mechanisms
of
prokaryotic
are
still
poorly
understood.
Here,
we
studied
different
urban
areas
(multifunctional,
commercial,
residential
areas)
through
16S
rRNA
gene
amplicon
sequencing.
Our
results
suggested
that
compositions
varied
significantly
among
areas.
Desulfomicrobium,
Desulfovibrio,
Desulfobacter
involved
sulfur
cycle
some
hydrolytic
fermentation
bacteria
were
enriched
multifunctional
area,
while
Methanospirillum
Methanoregulaceae,
which
related
to
methane
metabolism
discriminant
taxa
commercial
area.
Physicochemical
properties
closely
overall
changes
(p
<
0.001),
especially
nutrient
levels
sediments
(i.e.,
total
nitrogen
phosphorus)
pH.
Network
analysis
revealed
network
area
was
more
complex
than
other
areas,
suggesting
higher
stability
Stochastic
processes
dominated
construction
community.
These
expand
our
understanding
characteristics
sediment,
providing
a
new
perspective
for
studying
structure.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Oct. 10, 2023
Abstract
Bacterial
communities
play
an
important
role
in
mangrove
ecosystems.
In
order
to
gain
information
on
the
bacterial
species
and
rhizospheres
grown
Zhangjiangkou
National
Mangrove
Nature
Reserve,
this
study
collected
root,
branch,
leaf
samples
from
five
as
well
rhizosphere
non-rhizosphere
analyzed
community
structure
of
endophytic
bacteria
using
Illumina
high-throughput
sequencing
technique.
Bacteria
52
phyla,
64
classes,
152
orders,
295
families,
794
genera
were
identified,
which
mainly
belonged
Proteobacteria,
Cyanobacteria,
Actinobacteria,
Firmicutes,
Bacteroidetes,
Fusobacteria,
Nitrospirota.
At
each
taxonomic
level,
varied
slightly
with
species,
but
differed
greatly
plant
species.
The
diversity
indices
branch
Acanthus
ilicifolius
significantly
lower,
tissues
had
higher
abundance
replication/repair
translation
Clusters
Orthologous
Genes
functional
categories
lower
carbohydrate
metabolism
category.
This
helps
understand
characteristics
different
plants.
Provide
a
theoretical
basis
for
in-depth
research
functions
Limnology and Oceanography,
Journal Year:
2024,
Volume and Issue:
69(9), P. 2109 - 2122
Published: Aug. 12, 2024
Abstract
Wetlands
are
the
largest
natural
source
of
CH
4
globally,
yet
our
understanding
how
environmental
parameters
and
microorganisms
affect
production
emission
in
emergent
plant–sediment
systems
remains
limited.
In
this
study,
fluxes
were
investigated
a
wetland
with
Canna
indica
for
42
d,
as
well
nutrients
microbial
community.
It
was
found
that
chimney
effect
formed
by
aerenchyma
roots,
stems,
leaves
C.
promoted
oxidation
reduced
concentration
sediments.
nutrient
release
from
surface
sediments
into
overlying
water.
Pearson
correlation
analysis
showed
temperature,
pH,
oxidation–reduction
potential
main
influencing
factors
wetland.
inhibited
diversity
archaeal
community
but
bacterial
rhizosphere.
Stochastic
processes
had
greater
impact
on
succession
trajectories
Network
interactions
among
bacteria
archaea
enhanced
their
ability
to
resist
interference.
The
well‐developed
provided
an
important
passage
transport
atmosphere
shaped
structure
Meanwhile,
emissions
also
constrained
several
variables,
such
temperature
physiological
adaptation
long
term.
Thus,
it
is
necessary
plant
plants
areas
low
optimize
configuration
context
global
warming.