Environmental Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 13
Published: March 13, 2025
The
structural
and
abundance
changes
in
water
disinfected
by
tea
polyphenols
were
investigated
high-abundance
microbial
communities
(HAMC),
medium-abundance
(MAMC),
low-abundance
(LAMC),
also
included
the
interactions
within
between
these
communities.
antibacterial
effect
of
was
observed
at
concentrations
20-300
mg/L.
If
concentration
is
greater
than
or
equal
to
200
mg/L,
it
can
continue
inhibit
growth
bacteria,
keep
total
number
bacteria
48
hours
no
more
than100
CFU/ml,
this
reflected
continuity
disinfectant
pipe
network.
relative
some
chlorine-resistant
such
as
Blastomonas,
Sphingomonas
Pseudomonas
decreased
significantly
after
disinfection
with
polyphenols,
which
indicates
that
have
advantage
removing
bacteria.
Samples
HAMC,
MAMC
LAMC
showed
similar
structure.
Co-occurrence
network
analysis
revealed
most
complex
interrelationships
HAMC.
HAMC
closely
related.
In
co-occurrence
network,
8
key
genera
identified,
5
belonged
low-abundance.
Potential
pathogens
identified
study
potential
Aerococcus
Staphylococcus
pointed
out
pathogen
analysis.
relationship
other
quality
safety
be
controlled
pathogens.
Molecular Ecology,
Journal Year:
2021,
Volume and Issue:
30(10), P. 2390 - 2403
Published: March 14, 2021
Disentangling
the
biogeographic
patterns
of
rare
and
abundant
microbes
is
essential
in
order
to
understand
generation
maintenance
microbial
diversity
with
respect
functions
they
provide.
However,
little
known
about
ecological
assembly
processes
environmental
adaptation
across
large
spatial-scale
wetlands.
Using
Illumina
sequencing
multiple
statistical
analyses,
we
characterized
taxonomic
phylogenetic
bacteria
fungi
Qinghai-Tibet
Plateau
wetland
soils.
Abundant
taxa
exhibited
broader
thresholds
stronger
signals
for
traits
than
ones.
By
contrast,
showed
higher
sensitivity
changes
closer
clustering
The
null
model
analysis
revealed
that
dispersal
limitation
belonging
stochastic
process
dominated
community
assemblies
bacteria,
fungi,
while
variable
selection
deterministic
governed
bacteria.
Neutral
variation
partitioning
further
confirmed
were
less
environmentally
constrained.
Soil
ammonia
nitrogen
was
crucial
factor
mediating
balance
between
stochasticity
determinism
both
microbes.
may
have
better
potential
are
dispersed
by
Our
findings
extend
knowledge
ongoing
change
could
facilitate
prediction
biodiversity
loss
caused
probably
climate
human
activity
Molecular Ecology,
Journal Year:
2024,
Volume and Issue:
33(7)
Published: Feb. 29, 2024
Abstract
Revealing
the
mechanisms
underlying
soil
microbial
community
assembly
is
a
fundamental
objective
in
molecular
ecology.
However,
despite
increasing
body
of
research
on
overall
mechanisms,
our
understanding
subcommunity
for
different
prokaryotic
and
fungal
taxa
remains
limited.
Here,
soils
were
collected
from
more
than
100
sites
across
southwestern
China.
Based
amplicon
high‐throughput
sequencing
iCAMP
analysis,
we
determined
various
taxa.
The
results
showed
that
dispersal
limitation
homogenous
selection
primary
drivers
this
region.
highly
variable.
For
instance,
contribution
to
Crenarchaeota
was
70%,
but
it
only
around
10%
Actinomycetes,
Gemmatimonadetes
Planctomycetes.
subcommunities
including
with
higher
occurrence
frequencies,
average
relative
abundance
network
degrees,
as
well
wider
niches
tended
be
influenced
by
homogenizing
drift,
less
affected
heterogeneous
limitation.
also
varied
substantially
among
functional
guilds.
Notably,
diazotrophs,
nitrifiers,
saprotrophs
some
pathogens
predominantly
controlled
selection,
while
denitrifiers
mainly
stochastic
processes
such
drift.
These
findings
provide
novel
insights
into
diversity
maintenance
analysis
pipeline
holds
significant
value
future
research.
mSystems,
Journal Year:
2020,
Volume and Issue:
5(6)
Published: Dec. 21, 2020
Coastal
wetlands
are
one
of
the
important
ecosystems
that
play
a
crucial
role
in
regulation
climate
change.
Rare
taxa
(RT)
exist
habitat
along
with
abundant
(AT).
mSystems,
Journal Year:
2021,
Volume and Issue:
6(2)
Published: March 27, 2021
Soil
salinization
is
a
worldwide
environmental
problem
and
threatens
plant
productivity
microbial
diversity.
Understanding
the
generation
maintenance
of
diversity
essential
to
estimate
soil
tillage
potential
via
investigating
ecosystem
multifunctionality.
Frontiers in Microbiology,
Journal Year:
2021,
Volume and Issue:
12
Published: July 2, 2021
Elucidating
the
relative
importance
of
species
interactions
and
assembly
mechanisms
in
regulating
bacterial
community
structure
functions,
especially
abundant
rare
subcommunities,
is
crucial
for
understanding
influence
environmental
disturbance
shaping
ecological
functions.
However,
little
known
about
how
polycyclic
aromatic
hydrocarbon
(PAH)
stress
alters
stability
functions
taxa.
Here,
we
performed
soil
microcosms
with
gradient
pyrene
stresses
as
a
model
ecosystem
to
explore
roles
determining
structures
subcommunities.
The
dose–effect
significantly
altered
compositions
With
increasing
stresses,
diversity
increased
while
it
decreased
rare.
Importantly,
taxa
exhibited
much
broader
niche
width
adaptivity
than
rare,
contributing
more
biodegradation,
whereas
played
key
role
improving
subcommunity
resistance
stress,
potentially
promoting
persistence
stability.
Furthermore,
co-occurrence
network
analysis
revealed
that
inclined
occupy
core
central
position
adaptation
stresses.
Stochastic
processes
rather
subcommunity.
Overall,
these
findings
extend
our
response
pollution
laying
leading
theoretical
basis
are
targets
biostimulation
remediation.
Microbiology Spectrum,
Journal Year:
2023,
Volume and Issue:
11(1)
Published: Jan. 9, 2023
Atmospheric
nitrogen
(N)
deposition
is
a
worldwide
environmental
problem
and
threatens
biodiversity
ecosystem
functioning.
Understanding
the
responses
of
community
dynamics
assembly
processes
abundant
rare
soil
bacterial
taxa
to
anthropogenic
N
enrichment
vital
for
management
N-polluted
forest
soils.