ABSTRACT
Invasions
by
eukaryotes
dependent
on
environmentally
acquired
bacterial
mutualists
are
often
limited
the
ability
of
partners
to
survive
and
establish
free-living
populations.
Focusing
model
legume-rhizobium
mutualism,
we
apply
invasion
biology
hypotheses
explain
how
bacteriophages
can
impact
competitiveness
introduced
mutualists.
Predicting
phage-bacteria
interactions
affect
invading
eukaryotic
hosts
requires
knowing
eco-evolutionary
constraints
native
microbial
communities,
as
well
their
differences
in
abundance
diversity.
By
synthesizing
research
from
biology,
bacterial,
viral,
community
ecology,
create
a
conceptual
framework
for
understanding
predicting
phages
biological
invasions
through
effects
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Авг. 4, 2023
Abstract
Soil
microbiomes
play
key
roles
in
plant
productivity
and
nutrient
cycling,
we
need
to
understand
whether
how
they
will
withstand
the
effects
of
global
climate
change.
We
exposed
situ
soil
microbial
communities
multiple
rounds
heat,
drought,
or
both
treatments,
profiled
with
16S
rRNA
ITS
amplicon
sequencing
during
after
these
climatic
changes,
then
tested
domain
symbiotic
lifestyle
affected
responses.
Fungal
community
composition
strongly
shifted
due
drought
its
legacy.
In
contrast,
bacterial
resisted
change
experiment,
but
still
was
by
legacy
drought.
identified
fungal
taxa
differential
abundance
heat
found
that
events
are
not
necessarily
recovery
periods,
showing
complexity
importance
effects.
Additionally,
evidence
groups
microbes
important
performance
respond
diverse
ways
treatments
their
legacy,
suggesting
plants
may
be
impacted
past
like
warming
even
if
do
experience
event
themselves.
Current Issues in Molecular Biology,
Год журнала:
2024,
Номер
46(4), С. 3342 - 3352
Опубликована: Апрель 12, 2024
Increasing
the
soybean-planting
area
and
increasing
soybean
yield
per
unit
are
two
effective
solutions
to
improve
overall
yield.
Northeast
China
has
a
large
saline
soil
area,
if
soybeans
could
be
grown
there
with
help
of
isolated
saline-tolerant
rhizobia,
cultivation
in
effectively
expanded.
In
this
study,
were
planted
soils
at
different
latitudes
China,
four
strains
rhizobia
identified
from
nodules.
According
soil-sampling
sites
high
low,
as
HLNEAU1,
HLNEAU2,
HLNEAU3,
HLNEAU4.
for
their
resistances,
acid
tolerances
nitrogen
fixation
capacities
preliminarily
identified.
Ten
representative
germplasm
resources
inoculated
these
strains,
compatibilities
rhizobium
analyzed.
All
isolates
able
establish
extents
compatibility
10
resources.
Hefeng
50
had
good
while
Suinong
14
showed
best
HLNEAU2.
The
rhizobacteria
successfully
symbiosis
soybeans,
but
host
specificity
was
also
present.
This
study
preliminary
exploration
use
salinity-tolerant
order
increase
acreage,
it
provides
valuable
theoretical
basis
application
rhizobia.
Forests,
Год журнала:
2024,
Номер
15(11), С. 1948 - 1948
Опубликована: Ноя. 6, 2024
Severe
seasonal
droughts
driven
by
global
climate
change
significantly
alter
the
cycling
of
carbon
and
nutrients
in
forest
ecosystems,
while
investigation
into
impacts
floor
mass
plant
roots
on
soil
microbial
biomass
within
context
recurrent
is
still
rare.
To
investigate
environmental
determinants
governing
with
escalating
severity
droughts,
we
conducted
a
study
montane
subtropical
moist
evergreen
broad-leaved
southwestern
China
from
June
2019
to
May
2023.
The
results
revealed
that
biomass,
as
well
moisture,
mass,
roots,
showed
an
apparent
single-hump
modal
one
year.
In
comparative
analysis
fluctuation
amplitudes
across
control
watered
plots,
discernible
disparity
was
observed,
indicating
significant
differences
dynamics
between
respective
experimental
conditions.
pooled
data
statistically
influence
drought,
their
reciprocal
interactions
highlighting
these
factors
pivotal
community
dynamics.
This
elucidates
interactive
regulatory
mechanisms
which
collectively
modulate
tropical
forests,
offering
insights
complex
ecological
processes
regulation
might
trajectory
species
communities,
facilitating
adaptive
development
evolutionary
responses.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 20, 2024
Abstract
Climate
change
is
altering
both
soil
microbial
communities
and
the
ecological
context
of
plant-microbe
interactions.
Predicting
how
microbes
modulate
plant
resilience
to
climate
critical
mitigating
negative
effects
on
ecosystems
agriculture.
Previously,
it
was
demonstrated
that
heat,
drought,
their
legacies
altered
microbiomes
potential
symbionts.
In
this
study,
we
conducted
growth
chamber
experiments
isolate
microbially-mediated
indirect
heat
drought
performance
symbiosis.
first
experiment,
found
drought-treated
microbes,
along
with
interaction,
significantly
decreased
biomass
Medicago
lupulina
plants
compared
well-watered
conditions.
a
second
then
tested
addition
well-known
mutualist,
Sinorhizobium
meliloti
,
affected
climate-treated
microbiomes’
impact
M.
.
We
drought-adapted
negatively
impacted
legume
by
increasing
mortality
reducing
branch
number,
but
adding
rhizobia
erased
treatment
Synthesis:
Drought
can
affect
through
legacy
alone,
buffers
legumes
against
climate-mediated
microbiome
effects.
contrast,
heat-adapted
did
not
differ
from
control
in
legume.
ABSTRACT
Invasions
by
eukaryotes
dependent
on
environmentally
acquired
bacterial
mutualists
are
often
limited
the
ability
of
partners
to
survive
and
establish
free-living
populations.
Focusing
model
legume-rhizobium
mutualism,
we
apply
invasion
biology
hypotheses
explain
how
bacteriophages
can
impact
competitiveness
introduced
mutualists.
Predicting
phage-bacteria
interactions
affect
invading
eukaryotic
hosts
requires
knowing
eco-evolutionary
constraints
native
microbial
communities,
as
well
their
differences
in
abundance
diversity.
By
synthesizing
research
from
biology,
bacterial,
viral,
community
ecology,
create
a
conceptual
framework
for
understanding
predicting
phages
biological
invasions
through
effects
