Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Research
on
the
composition
and
diversity
of
rhizosphere
microbial
communities
different
plant
species
can
help
to
identify
important
functional
groups
or
potentials,
which
is
great
significance
for
vegetation
restoration
ecological
reconstruction.
To
provide
scientific
basis
management
mountain
ecosystem,
pattern
bacterial
community
was
investigated
using
16S
rRNA
high-throughput
sequencing
method
among
host
plants
(Cirsium
japonicum,
Artemisia
annua,
Descurainia
sophia,
Lepidium
apetalum,
Phlomis
umbrosa,
Carum
carvi)
in
Tomur
Peak
National
Nature
Reserve,
China.
The
results
showed
that
richness
bacteria
were
highest
lowest
apetalum.
Proteobacteria,
Acidobacteriota,
Actinobacteria
common
dominant
phyla,
Sphingomonas
predominant
genera.
Furthermore,
there
some
specific
genera
plants.
relative
abundance
non-dominant
varied
species.
Canonical
correspondence
analysis
indicated
available
(AK),
total
phosphorus
(TP),
potassium
(TK),
soil
organic
matter
(SOM)
main
drivers
structure.
Based
PICRUSt
prediction,
all
samples
encompass
six
primary
metabolic
pathways
47
secondary
pathways.
major
(with
a
gene
sequences
>
3%)
include
15
categories.
Co-occurrence
network
revealed
differences
interactions
modules,
with
microorganisms
exhibiting
distinct
advantages.
This
study
elucidates
distribution
patterns
ecosystems,
provides
theoretical
guidance
protection
based
microbiome.
Diversity,
Journal Year:
2023,
Volume and Issue:
15(11), P. 1156 - 1156
Published: Nov. 20, 2023
The
plant
microbiome
is
one
of
the
most
important
environments
for
ecological
interactions
between
bacteria
that
impact
and
ecosystem.
However,
studies
on
diversity
mobile
genetic
elements
(such
as
plasmids)
associated
with
are
very
scarce.
Here,
we
determined
bacterial
community
composition
occurrence
plasmids
in
microbiota
sea
fig,
Carpobrotus
aequilaterus
(N.E.
Br.),
a
succulent
species
widely
used
an
ornamental
Chile.
abundance
endophytic
rhizospheric
communities
were
by
quantitative
PCR
(qPCR)
DNA
metabarcoding
analysis.
Plasmid
was
plasmid
extraction
screened
endpoint
backbone
genes
four
different
incompatibility
groups
(Inc).
results
showed
about
106
copies
16S
rRNA
gene
endosphere
rhizosphere,
showing
significant
differences
according
to
index.
Proteobacteria
(Pseudomonadota;
43.4%),
Actinobacteria
(Actinomycetota;
25.7%),
Bacteroidetes
(Bacteroidota;
17.4%)
dominant
taxa
both
compartments,
chemoheterotrophy
(30%)
main
predicted
function
assigned
microbiota.
analysis
presence
transferable
rhizosphere
C.
aequilaterus,
particularly
among
environmental
belonging
IncP
IncN
groups.
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17225 - e17225
Published: April 15, 2024
The
microbial
communities,
inhabiting
around
and
in
plant
roots,
are
largely
influenced
by
the
compartment
effect,
turn,
promote
growth
stress
resistance
of
plant.
However,
how
soil
microbes
selected
to
rhizosphere,
further
into
roots
is
still
not
well
understood.
Here,
we
profiled
fungal,
bacterial
communities
their
interactions
bulk
soils,
rhizosphere
soils
eleven
stress-resistant
species
after
six
months
growth.
results
showed
that
root
selection
(from
roots)
was
stronger
than
soils)
in:
(1)
filtering
stricter
on
fungal
(28.5%
40.1%)
(48.9%
68.1%)
amplicon
sequence
variants
(ASVs),
(2)
depleting
more
shared
(290
56)
(691
2)
ASVs
measured
relative
abundance,
(3)
increasing
significant
fungi-bacteria
crosskingdom
correlations
(142
110).
In
addition,
selection,
but
significantly
increased
fungi
bacteria
ratios
(f:b)
observed
shannon
diversity
index,
indicating
unbalanced
effects
exerted
selection.
Based
network
analysis,
were
associated
with
numbers
negative
interaction
(140
99)
(123
92),
suggesting
intensifies
roots.
Our
findings
provide
insights
complexity
improve
understanding
microbiome
assembly
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 24, 2024
Abstract
Microbiota
associated
with
host–parasite
relationships
offer
an
opportunity
to
explore
interactions
among
plants,
parasites,
and
microbes,
thereby
contributing
the
overall
complexity
of
community
structures.
The
dynamics
ecological
between
parasitic
plants
their
hosts
in
arid
environments
remain
largely
understudied,
especially
Africa.
This
study
aimed
examine
bacterial
communities
Cuscuta
epithymum
L.
(clover
dodder),
epiphytic
plant,
its
host,
Ziziphus
lotus
L.
(jujuba),in
environment.
Our
goal
was
uncover
complexities
microbial
within
framework
plant–plant
interactions.
We
conducted
a
comprehensive
analysis
composition
diversity
populations
C.
parasite,
infected-
non-infected
jujuba
interface
at
shoots
host.
involved
amplicon
sequencing,
targeting
V5–V6
regions
16S
rRNA
gene.
A
total
5680
sequence
variants
(ASVs)
were
identified,
Pseudomonadota,
Bacillota,
Actinobacteriota
being
prevalent
phyla.
Among
communities,
three
genera
dominant:
Cutibacterium,
Staphylococcus,
Acinetobacter.
Interestingly,
analyses
alpha-
beta-diversities
revealed
no
significant
difference
suggesting
shared
shoot
endophytic
bacteriome.
finding
advances
our
comprehension
linked
plant–parasite
Further
studies
on
functional
elucidation
mechanisms
by
which
transfer
host
parasite
are
needed.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 12, 2024
Abstract
Background
The
effect
of
domestication
and
breeding
on
maize
leaf
endosphere
microbiota
is
scarcely
understood,
a
knowledge
gap
vital
to
be
filled
given
their
roles
in
plant
health.
We
examined
the
microbial
communities
associated
with
three
plant-groups;
teosinte,
landraces
elite
inbred
maize,
latter
including
both
Mexican
US
lines.
Particularly,
we
used
16S-V4
region
amplicon
sequencing
microbiomes
infer
how
community
may
have
been
shaped
by
crop’s
evolution,
whether
they
were
affected
by:
(i)
transition
from
perennial
life
history
an
annual
wild;
(ii)
transformation
into
landrace
via
domestication;
(iii)
northward
spread
Mexico
US;
maizes
produce
inbreds.
Additionally,
investigated
biomarker
taxa,
likely
functional
profiles
using
LEfSe
analysis,
network
FAPROTAX.
Results
differed
among
plant-groups
genotypes,
was
markedly
domestication,
as
indicated
decline
bacterial
diversity
changes
structure
between
wild
(teosinte)
domesticated
(maize)
Zea.
While
highly
stringent
regulated
teosintes,
post-domestication
inbreds
showed
high
variability,
suggesting
dysbiosis
consistent
predictions
Anna
Karenina
principle.
As
such,
this
finding
marks
first
evidence
domestication.
Co-occurrence
analyses
revealed
complexity
increased
Furthermore,
FAPROTAX
suggested
that
teosintes
possessed
higher
cellulolytic,
chitinolytic,
nitrate
respiration
functions,
while
fermentation
reduction
functions.
Conclusions
Our
results
structures
are
alterations
dysbiosis.
Altogether,
our
findings
enhanced
understanding
effects
anthropogenic
processes
such
crop
spread,
cultivars,
guide
development
evolutionarily-
ecologically
sustainable
biofertilizers
biocontrol
agents.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Research
on
the
composition
and
diversity
of
rhizosphere
microbial
communities
different
plant
species
can
help
to
identify
important
functional
groups
or
potentials,
which
is
great
significance
for
vegetation
restoration
ecological
reconstruction.
To
provide
scientific
basis
management
mountain
ecosystem,
pattern
bacterial
community
was
investigated
using
16S
rRNA
high-throughput
sequencing
method
among
host
plants
(Cirsium
japonicum,
Artemisia
annua,
Descurainia
sophia,
Lepidium
apetalum,
Phlomis
umbrosa,
Carum
carvi)
in
Tomur
Peak
National
Nature
Reserve,
China.
The
results
showed
that
richness
bacteria
were
highest
lowest
apetalum.
Proteobacteria,
Acidobacteriota,
Actinobacteria
common
dominant
phyla,
Sphingomonas
predominant
genera.
Furthermore,
there
some
specific
genera
plants.
relative
abundance
non-dominant
varied
species.
Canonical
correspondence
analysis
indicated
available
(AK),
total
phosphorus
(TP),
potassium
(TK),
soil
organic
matter
(SOM)
main
drivers
structure.
Based
PICRUSt
prediction,
all
samples
encompass
six
primary
metabolic
pathways
47
secondary
pathways.
major
(with
a
gene
sequences
>
3%)
include
15
categories.
Co-occurrence
network
revealed
differences
interactions
modules,
with
microorganisms
exhibiting
distinct
advantages.
This
study
elucidates
distribution
patterns
ecosystems,
provides
theoretical
guidance
protection
based
microbiome.