Geoderma,
Journal Year:
2023,
Volume and Issue:
433, P. 116462 - 116462
Published: April 3, 2023
Microbial
methanogenesis
in
paddy
soils
contributes
approximately
one-fifth
of
global
anthropogenic
methane
(CH4)
release,
creating
severe
negative
climate
feedback.
The
dynamics
iron
oxides
flooded
fields,
as
well
temperature
changes,
have
an
impact
on
CH4
production.
However,
the
relationship
between
two,
their
interactive
mechanisms
influencing
production
and
microbial
communities
soils,
is
not
yet
clear.
Therefore,
we
investigated
effects
(15,
25
35
°C)
oxide
(ferrihydrite)
methanogenic
community
structure
two
Chinese
one
subtropical
temperate.
We
characterized
shifts
using
high-throughput
sequencing
bacteria,
archaea
mcrA
genes
following
anaerobic
incubation
for
90
days.
Our
results
showed
that
significantly
promoted
Fe
reduction
both
together
regulated
by
reducing
number
methanogens.
Additionally,
sensitivity
was
higher
temperate
than
soil.
also
demonstrated
ferrihydrite
can
inhibit
relative
abundance
Methanosarcinales
altering
patterns
methanogens
these
soils.
Likewise,
increases
changes
Methanobacteriales,
promoting
methanogenesis.
Overall,
our
provide
new
insights
into
role
regulating
greenhouse
gas
emissions
from
Microbiology Spectrum,
Journal Year:
2023,
Volume and Issue:
11(1)
Published: Jan. 10, 2023
Wild
rice
has
been
demonstrated
to
possess
enriched
genetic
diversity
and
multiple
valuable
traits
involved
in
disease/pest
resistance
abiotic
stress
tolerance,
which
provides
a
potential
resource
for
sustainable
agriculture.
However,
unlike
the
plant
compartments
such
as
rhizosphere,
structure
assembly
of
phyllosphere
microbial
communities
wild
remain
largely
unexplored.
Through
amplicon
sequencing,
this
study
compared
bacterial
fungal
its
neighboring
cultivated
rice.
The
core
taxa
both
are
dominated
with
Pantoea,
Methylobacterium,
Nigrospora,
Papiliotrema,
potentially
beneficial
growth
health.
Compared
rice,
Sphingomonas,
Phaeosphaeria,
Khuskia
were
significantly
phyllosphere.
nitrogen-fixing
Methylobacterium
is
wild-enriched
microbe;
Sphingomonas
hub
taxon
networks.
In
addition,
microbiota
was
more
governed
by
deterministic
complicated
stable
community
network
than
Our
list
microbes
reveals
divergence
between
original
habitats,
highlights
selective
role
recruiting
specific
microbiomes
enhancing
crop
performance
promoting
food
production.
IMPORTANCE
Plant
being
considered
lever
increase
sustainability
production
under
changing
climate.
particular,
associated
ancestors
modern
cultivars
have
support
their
domesticated
cultivars.
few
efforts
devoted
studying
biodiversity
functions
native
habitats
species.
This
explores
interaction
patterns
functional
profiles
information
could
be
useful
future
utilization
microbiome
enhance
sustainability,
especially
framework
agroecosystems.
Global Change Biology,
Journal Year:
2023,
Volume and Issue:
30(1)
Published: Nov. 13, 2023
Abstract
Microbes
inhabiting
deep
soil
layers
are
known
to
be
different
from
their
counterpart
in
topsoil
yet
remain
under
investigation
terms
of
structure,
function,
and
how
diversity
is
shaped.
The
microbiome
soils
(>1
m)
expected
relatively
stable
highly
independent
climatic
conditions.
Much
less
known,
however,
on
these
microbial
communities
vary
along
climate
gradients.
Here,
we
used
amplicon
sequencing
investigate
bacteria,
archaea,
fungi
fifteen
18‐m
depth
profiles
at
20–50‐cm
intervals
across
contrasting
aridity
conditions
semi‐arid
forest
ecosystems
China's
Loess
Plateau.
Our
results
showed
that
bacterial
fungal
α
archaeal
community
similarity
declined
dramatically
remained
soil.
Nevertheless,
still
the
functional
potential
N
cycling,
plant‐derived
organic
matter
degradation,
resource
exchange,
water
coordination.
had
closer
taxa–taxa
bacteria–fungi
associations
more
influence
dispersal
limitation
than
microbiome.
Geographic
distance
was
influential
bacteria
archaea
topsoil.
We
further
negatively
correlated
with
deep‐soil
richness,
similarity,
relative
abundance
plant
saprotroph,
associations,
but
increased
aerobic
ammonia
oxidation,
manganese
arbuscular
mycorrhizal
soils.
Root
depth,
complexity,
volumetric
moisture,
clay
play
bridging
roles
indirect
effects
microbes
work
indicates
that,
even
nutrient
cycling
susceptible
changes
availability,
consequences
for
understanding
sustainability
dryland
whole‐soil
response
aridification.
Moreover,
propose
neglecting
may
underestimate
role
moisture
future
scenarios.
Geoderma,
Journal Year:
2023,
Volume and Issue:
433, P. 116462 - 116462
Published: April 3, 2023
Microbial
methanogenesis
in
paddy
soils
contributes
approximately
one-fifth
of
global
anthropogenic
methane
(CH4)
release,
creating
severe
negative
climate
feedback.
The
dynamics
iron
oxides
flooded
fields,
as
well
temperature
changes,
have
an
impact
on
CH4
production.
However,
the
relationship
between
two,
their
interactive
mechanisms
influencing
production
and
microbial
communities
soils,
is
not
yet
clear.
Therefore,
we
investigated
effects
(15,
25
35
°C)
oxide
(ferrihydrite)
methanogenic
community
structure
two
Chinese
one
subtropical
temperate.
We
characterized
shifts
using
high-throughput
sequencing
bacteria,
archaea
mcrA
genes
following
anaerobic
incubation
for
90
days.
Our
results
showed
that
significantly
promoted
Fe
reduction
both
together
regulated
by
reducing
number
methanogens.
Additionally,
sensitivity
was
higher
temperate
than
soil.
also
demonstrated
ferrihydrite
can
inhibit
relative
abundance
Methanosarcinales
altering
patterns
methanogens
these
soils.
Likewise,
increases
changes
Methanobacteriales,
promoting
methanogenesis.
Overall,
our
provide
new
insights
into
role
regulating
greenhouse
gas
emissions
from
