Bacterial abundant taxa exhibit stronger environmental adaption than rare taxa in the Arctic Ocean sediments
Marine Environmental Research,
Год журнала:
2024,
Номер
199, С. 106624 - 106624
Опубликована: Июнь 26, 2024
Язык: Английский
Environmental instability reduces shock resistance by enriching specialist taxa with distinct two component regulatory systems
npj Biofilms and Microbiomes,
Год журнала:
2025,
Номер
11(1)
Опубликована: Март 31, 2025
Abstract
Different
microbial
communities
are
impacted
disproportionately
by
environmental
disturbances.
The
degree
to
which
a
community
can
remain
unchanged
under
disturbance
is
referred
as
resistance
1
.
However,
the
contributing
ecological
factors,
infer
community’s
unknown.
In
this
study,
impact
of
historical
stability
on
phenomena
and
shocks
was
investigated.
Three
separate
methanogenic
bioreactor
consortia,
were
subjected
varying
degrees
stability,
displayed
different
levels
an
organic
loading
rate
(OLR)
shock
sampled.
Their
composition
assessed
using
high
throughput
sequencing
16S
rRNA
genes
assembly
based
metagenomics.
effect
instability
such
assembly,
niche
breadth
rare
biosphere
in
context
each
reactor’s
demonstrated
OLR
shock.
Additionally,
metagenome
assembled
genomes
analysed
for
functional
effects
prolonged
stability/instability.
system
more
experienced
temporal
variation
beta
diversity
proliferation
specialists,
with
abundant
two
component
regulatory
systems.
This
susceptible
deterministic
lower
resistance,
indicating
that
experiencing
longer
term
(e.g.
variations
pH
or
temperature)
less
able
resist
large
disturbance.
Язык: Английский
Archaea show different geographical distribution patterns compared to bacteria and fungi in Arctic marine sediments
mLife,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Abstract
Microorganisms
dominate
marine
environments
in
the
polar
oceans
and
are
known
to
harbor
greater
diversity
abundance
than
was
once
thought,
yet,
little
is
about
their
biogeographic
distribution
patterns
sediments
at
a
broad
spatial
scale.
In
this
study,
we
conducted
extensive
sampling
of
along
latitudinal
transect
spanning
2500
km
from
Bering
Sea
Arctic
Ocean
investigate
geographical
bacteria,
archaea,
fungi.
Our
findings
revealed
that
community
similarities
bacteria
fungi
decay
similar
rates
with
increasing
distance
(slope:
−0.005
−0.002),
which
much
lower
rate
archaeal
communities
−0.012).
Notably,
microbial
richness
composition
showed
significant
differences
region
75−80°N
compared
other
regions
60−75°N.
Salinity,
temperature,
pH,
ammonium
nitrogen,
total
organic
carbon
key
factors
significantly
affect
variations.
Furthermore,
bacterial
co‐occurrence
networks
more
complex
interactions
but
modularity
fungal
counterparts.
This
study
provides
crucial
insights
into
will
be
critical
for
better
understanding
global
ecological
functions.
Язык: Английский
Epiphytic bacterial community composition on four submerged macrophytes in different regions of Taihu Lake
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Июль 25, 2024
The
epiphytic
bacteria
in
aquatic
ecosystems,
inhabiting
a
unique
ecological
niche
with
significant
function,
have
long
been
the
subject
of
attention.
Habitat
characteristics
and
plant
species
are
believed
to
be
important
controlling
assembly
bacteria.
However,
underlying
principle
governing
bacterial
community
on
macrophytes
is
far
from
clear.
In
this
study,
we
systematically
compared
diversity
composition
both
different
habitats
where
they
were
attached.
Results
suggested
that
neither
nor
habitat
had
effect
independently,
indicating
was
correlated
geographical
distance
individual
macrophytes.
Furthermore,
almost
all
abundant
taxa
shared
between
lake
regions
or
macrophyte
species,
most
belonged
Proteobacteria
Firmicutes.
Our
results
demonstrated
competitive
lottery
model
may
explain
pattern
colonization
submerged
surfaces.
This
research
could
provide
new
perspective
for
exploring
plant-microbe
interaction
systems
evidence
as
mechanism
best
explaining
Язык: Английский
Specialists regulate microbial network and community assembly in subtropical seagrass sediments under differing land use conditions
Journal of Environmental Management,
Год журнала:
2024,
Номер
370, С. 122486 - 122486
Опубликована: Сен. 14, 2024
Язык: Английский
Distinct ecological processes shape micro-eukaryotic generalists and specialists in a canal-disturbed wetland, Lake Weishan, China
Water Biology and Security,
Год журнала:
2024,
Номер
unknown, С. 100320 - 100320
Опубликована: Ноя. 1, 2024
Язык: Английский
Enhanced printing and dyeing wastewater treatment using anaerobic-aerobic systems with bioaugmentation
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
486, С. 136982 - 136982
Опубликована: Дек. 24, 2024
Язык: Английский
Urban non-point source pollutants increases the biotic homogenization of the structure and function in river microbiome
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Авг. 21, 2023
Abstract
Urbanization
significantly
impacts
the
community
structure
of
aquatic
organisms
and
poses
a
major
threat
to
river
biodiversity.
However,
extent
which
urbanization
is
linked
homogenization
microbial
communities
underlying
mechanisms
remains
poorly
understood.
In
this
study,
we
investigated
bacterial
archaeal
from
cities
neighboring
natural
rivers
across
network
located
in
Qinling
Mountains,
Northwest
China,
further
alpha
beta
diversity
patterns
influenced
by
urbanization.
We
found
that
influx
urban
non-point
source
pollutants
created
eutrophic
condition,
enhanced
populations.
Meanwhile,
rapid
tends
decrease
overall
habitat
heterogeneity,
imposed
stronger
homogeneous
selection
caused
biotic
homogenization.
The
can
be
attributed
modulating
generalist/specialist
species
invasion
nonnative
species.
For
instance,
had
greater
proportion
fast-growing
bacteria,
algae,
nitrifiers,
PAH-degrading
pathogens,
fecal
bacteria
antibiotic-resistant
than
ecosystems.
Overall,
leads
more
uniform
biosphere,
causing
extinction
unique
local
subsequent
regional
pool.
Язык: Английский