Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Дек. 3, 2024
,
an
important
tree,
faces
serious
threat
to
its
growth
from
environmental
stress,
particularly
climate
change.
Using
plant
microbes
enhance
host
adaptation
respond
change
challenges
has
been
recognized
as
a
viable
and
sustainable
strategy.
However,
it
is
still
unclear
how
the
perennial
tree
microbiota
varies
across
phenological
stages
links
between
respective
changes
in
aboveground
belowground
niches.
Here,
we
sequenced
27
root
leaf
samples
of
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(14), С. 6192 - 6203
Опубликована: Март 29, 2024
Biological
nitrogen
fixation
(BNF)
has
important
ecological
significance
in
mine
tailing
by
contributing
to
the
initial
accumulation
of
nitrogen.
In
addition
chemolithotrophic
and
heterotrophic
BNF,
light
may
also
fuel
BNF
oligotrophic
tailings.
However,
knowledge
regarding
occurrence
this
biogeochemical
process
tailings
remains
ambiguous.
The
current
study
observed
phototrophic
enrichment
cultures
established
from
three
primary
successional
stages
(i.e.,
original
tailings,
biological
crusts,
pioneer
plants)
Notably,
be
more
active
at
vegetation
crusts
pioneering
than
bare
DNA-stable
isotope
probing
identified
npj Biofilms and Microbiomes,
Год журнала:
2024,
Номер
10(1)
Опубликована: Июль 28, 2024
Abstract
Alkaline
lakes
are
extreme
environments
inhabited
by
diverse
microbial
extremophiles.
However,
large-scale
distribution
patterns,
environmental
adaptations,
community
assembly,
and
evolutionary
dynamics
of
communities
remain
largely
underexplored.
This
study
investigated
the
characteristics
on
rare
abundant
taxa
in
alkaline
lake
sediments
west
northwest
China.
We
observed
that
varied
significantly
with
geographical
distance,
while
remained
unaffected
regional
differences.
The
assembly
process
was
influenced
dispersal
limitation,
whilst
were
predominantly
driven
heterogeneous
selection.
Network
analysis
indicated
as
core
species
for
interactions
stability.
Rare
exhibited
higher
speciation
transition
rate
than
taxa,
serving
a
genetic
reservoir
potential
candidates
to
become
abundance
highlighting
their
crucial
role
maintaining
diversity.
These
insights
underscore
significant
influence
ecosystem
biodiversity
stability
lakes.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Янв. 31, 2025
Introduction
Revealing
assembly
patterns
of
abundant
and
rare
bacteria
is
pivotal
for
comprehending
the
responses
soil
bacterial
community
to
environmental
changes.
Crabs
exert
significant
impacts
on
environments
through
their
frequent
burrowing
activities
in
intertidal
wetlands.
However,
there
remains
a
paucity
knowledge
regarding
influencing
mechanism
crab
bioturbation
assemblies
bacteria.
Methods
We
delved
into
structures,
co-occurrence
networks,
processes
within
crab-bioturbated
soils
(encompassing
burrows
mounds)
across
an
wetland.
Results
discussion
The
compositions
diversities
subcommunities
were
notably
altered
soils.
Moreover,
network
analysis
unveiled
that
substantially
modified
interaction
bacteria,
whereas
its
influence
was
comparatively
minor.
Furthermore,
we
discovered
primarily
influenced
by
stochastic
processes,
while
subcommunity
collectively
shaped
both
deterministic
processes.
In
conclusion,
our
study
elucidates
which
mediates
distinct
subcommunities,
underscores
importance
considering
when
evaluating
ecological
functions
Microorganisms,
Год журнала:
2025,
Номер
13(3), С. 513 - 513
Опубликована: Фев. 26, 2025
Soil
microorganisms
are
crucial
for
nutrient
cycling,
with
abundant
and
rare
taxa
playing
distinct
roles.
However,
the
mechanisms
by
which
soil
microbes
influence
cycling
under
different
crop
types
remain
unclear.
In
this
study,
we
investigated
network
structure,
diversity,
microbial
composition
of
croplands
in
Yellow
River
Delta,
focusing
on
four
primary
crops:
soybean,
maize,
cotton,
sorghum.
The
findings
revealed
that
co-occurring
structure
sorghum
planting-soils
exhibited
greater
complexity
than
other
types.
Bacterial
alpha
diversity
cotton-planting
is
highest
susceptible
to
environmental
variations.
both
responds
differently
nutrients
depending
type.
While
play
a
role
multi-nutrient
key
drivers
variations
expression.
showed
strong
correlation
critical
nutrients.
Structural
equation
modeling
bacterial
fungal
significantly
influenced
index
(MNC).
Specifically,
higher
Shannon
indices
were
associated
lower
MNC,
while
opposite
was
true
fungi.
organic
carbon
total
nitrogen
factors
influencing
taxa.
Moreover,
study
provides
new
insights
into
agricultural
ecosystems.
