Cultivating crayfish (Procambarus clarkii) significantly enhances the quantity and diversity of soil microorganisms: evidence from the comparison of rice-wheat and rice-crayfish rotation models
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 3, 2025
Integrated
farming
of
rice
(IFA),
as
a
time-honored
agricultural
model,
can
effectively
increase
productivity
and
provide
ecological
benefits.
Rice-wheat
rotation
rice-crayfish
(
Procambarus
clarkii
)
are
two
most
widely
applied
IFA
patterns
in
China.
In
this
study,
we
compared
the
differences
soil
microbial
communities
predicted
their
functions
these
models
by
sequencing
16s
rRNA
analyzing
bioinformation.
The
results
showed
that
crayfish
increased
abundance
diversity
microorganisms.
main
differentially
abundant
phyla
between
groups
were
Actinobacteriota,
Bacteroidota,
Desulfobacterota,
while
genera
Bacteroidetes_vadinHA17
,
Sphingomonas
Thiobacillus
.
Similarity
Percentages
(SIMPER)
analysis
indicated
species
also
had
highest
contribution
to
composition
groups.
Random
forest
prediction
was
employed
identify
potential
biomarkers
distinguish
communities.
Spirochaetota
identified
biomarker
phyla.
Streptomyces
Kribbella
Paludibacter
could
serve
genera.
Functional
Annotation
Prokaryotic
Taxa
(FAPROTAX)
revealed
dominant
bacterial
rice-wheat
model
aerobic
chemoheterotrophy
chemoheterotrophy.
contrast,
more
diverse,
primarily
including
methylotrophy,
human
pathogens
all
methanotrophy.
co-occurrence
network
enhanced
modularity
community,
fewer
nodes
edges,
which
implying
internal
connections.
conclusion,
wheat
planting
drove
significant
paddy
fields,
with
Actinobacteriota
Desulfobacterota
biomarkers.
Compared
cultivation,
system
incorporating
richness
functions,
promoted
presence
keystone
connecting
roles.
Our
study
would
not
only
clarify
effects
different
on
communities,
should
valuable
insights
for
future
adjusting
cropping
controlling
current
problems.
Язык: Английский
Bacterial assemblies in acidic dryland vs. paddy soils across depth profiles in southern China's red soil region
Pedobiologia,
Год журнала:
2025,
Номер
unknown, С. 151034 - 151034
Опубликована: Фев. 1, 2025
Язык: Английский
Alterations in Soil Bacterial Community and Its Assembly Process within Paddy Field Induced by Integrated Rice–Giant River Prawn (Macrobrachium rosenbergii) Farming
Agronomy,
Год журнала:
2024,
Номер
14(8), С. 1600 - 1600
Опубликована: Июль 23, 2024
Integrated
rice–aquatic
animal
farming
has
become
a
vital
strategy
for
enhancing
food
security.
To
assess
the
effects
of
integrated
rice–giant
river
prawn
(Macrobrachium
rosenbergii)
(IRPF)
on
agricultural
ecosystems,
we
used
16S
rRNA
gene
sequencing
to
analyze
soil
bacterial
communities
in
comparison
with
traditional
rice
monoculture
(RM).
Our
study
revealed
that
IRPF
did
not
significantly
affect
diversity
community.
However,
during
initial
culture
stage,
markedly
increased
relative
abundance
phylum
candidate
division
NC10
and
genus
Candidatus
Methylomirabilis,
nitrogen-cycling-related
functions
within
Additionally,
reduced
complexity
stability
these
early
middle
stages.
While
stochastic
processes
usually
dominate
assembly
communities,
restricted
migration
influence
processes.
Furthermore,
had
significant
impact
environmental
factors
paddy
soils,
strongly
correlating
shifts
particularly
through
variations
nitrite
concentration.
In
conclusion,
community
soils
was
primarily
observed
stages,
impacts
were
driven
by
changes,
especially
These
findings
provide
theoretical
insights
reference
understanding
microbiological
different
rice–fish
systems
ecosystems.
Язык: Английский
Dynamic Impact of One-Year Integrated Rice–Crayfish Farming on Bacterioplankton Communities in Paddy Water
Biology,
Год журнала:
2024,
Номер
13(12), С. 1059 - 1059
Опубликована: Дек. 17, 2024
As
global
food
security
issues
become
increasingly
severe,
an
important
innovation
in
agricultural
production
patterns,
namely
integrated
rice–fish
farming,
has
been
widely
implemented
around
the
world,
especially
Asia.
To
assess
impact
of
rice–crayfish
(Procambarus
clarkii)
farming
(IRCF)
on
ecosystems,
we
used
Illumina
high-throughput
16S
rRNA
gene
sequencing
to
analyze
differences
diversity,
composition,
co-occurrence
network,
and
assembly
process
planktonic
bacterial
communities
paddy
water
between
traditional
rice
(TRM)
IRCF.
Environmental
factors
were
evaluated
during
tillering,
jointing,
flowering,
grain-filling
stages
August
24,
September
5,
October
16,
respectively.
Our
findings
revealed
that,
throughout
entire
cultivation
period,
IRCF
had
no
notable
impacts
bacterioplankton
community
diversity
water,
but
it
changed
composition
relative
abundance
dominant
bacterioplankton.
Specifically,
promoted
Chloroflexota
tillering
stage
reduced
its
presence
stage.
It
also
significantly
decreased
Bacillota
jointing
while
notably
enhancing
Actinomycetota
flowering
Furthermore,
markedly
improved
robustness
negative/positive
cohesion
within
networks
stages.
altered
processes
shaping
communities,
promoting
a
greater
dominance
stochastic
diminished
dramatically
aquatic
environmental
factors,
particularly
stage,
by
substantially
increasing
TN,
ammonium,
nitrate,
phosphate
levels
water.
These
nutrient
closely
correlated
with
dynamics
communities.
underscore
considerable
potential
stability
growth
providing
valuable
data
theoretical
insights
into
microbiological
ecological
agroecosystem.
Язык: Английский