AbstractArbuscular
mycorrhizal
fungi
(AMF)
have
been
found
to
enhance
crop
resistance
abiotic
stresses.
However,
the
impact
of
AMF
on
tobacco
rhizosphere
bacterial
community
under
low
nutrient
conditions
was
still
uncertain.
The
objective
this
research
examine
influence
inoculating
Claroideoglomous
etunicatums
in
plants
and
microbial
enhancing
plant
resilience
against
oxidation.
results
showed
that
increased
markedly
aboveground
underground
fresh
weight
height
plants.
added
competence
CAT
(catalase)
SOD
(superoxide
dismutase),
reduced
content
MAD
(malonaldehyde)
enhanced
inoxidizability.
structure
altered
by
introduction
phylogenetic
analysis,
leading
a
notable
increase
abundance
advantageous
bacteria
(mainly
Proteobacteria
phylum,
Chloroflexi,
Actinobacteriota,
Myxococcota)
significantly
biomass
tobacco.
Network
analysis
addition
made
more
stable,
enriched
species
diversity
complex
ecological
networks.
In
conclusion,
according
structural
equation
model,
antioxidant
system
adjusting
community.
Through
research,
we
gained
insights
into
tobacco's
rhizosphere,
established
foundation
for
growth
future
endeavours.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 18, 2024
Arbuscular
mycorrhizal
fungi
(AMF)
can
penetrate
plant
root
cortical
cells,
establish
a
symbiosis
with
most
land
species,
and
form
branched
structures
(known
as
arbuscules)
for
nutrient
exchange.
Plants
have
evolved
complete
plant–AMF
system
to
sustain
their
growth
development
under
various
types
of
abiotic
stress.
Here,
we
highlight
recent
studies
AM
the
regulation
process.
The
roles
host
interactions
in
enhancing
drought
resistance,
increasing
mineral
uptake,
regulating
hormone
synthesis,
improving
salt
alleviating
heavy
metal
stress
were
also
discussed.
Overall,
variety
stresses
will
aid
applications
AMF
sustainable
agriculture
improve
production
environmental
safety.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(8), P. 1550 - 1550
Published: July 29, 2024
Excessive
use
of
chemical
fertilizer
is
a
global
concern.
Arbuscular
mycorrhizal
fungi
(AMF)
are
considered
potential
solution
due
to
their
symbiotic
association
with
crops.
This
study
assessed
AMF's
effects
on
maize
yield,
efficiency,
plant
traits,
and
soil
nutrients
under
different
reduced-fertilizer
regimes
in
medium-low
fertility
fields.
We
found
that
phosphorus
supplementation
after
30%
reduction
enhanced
positive
impact
grain
increasing
it
by
3.47%
pure
fertilizers
6.65%
mixed
fertilizers.
The
AMF
inoculation
did
not
significantly
affect
the
nitrogen
but
increased
root
colonization
mycelium
density.
Mixed
treatments
showed
greater
traits
nutrient
contents
compared
treatments.
highlights
inoculation,
closely
linked
fertilization
regimes,
can
effectively
reduce
while
sustaining
or
enhancing
yields.
Resources Environment and Sustainability,
Journal Year:
2024,
Volume and Issue:
17, P. 100164 - 100164
Published: Aug. 8, 2024
Heavy
metal
(HM)
contamination
affects
the
composition
and
structure
of
soil
microbial
communities,
but
there
are
few
studies
on
assembly
process
co-occurrence
network
community
succession
driven
by
Cd
in
volcanic
ecosystem.
To
address
this
gap
knowledge,
we
collected
analyzed
samples
from
Nvshan
Volcanic
area
to
understand
characteristics
primary
(PS)
secondary
(SS).
We
found
that
was
contaminated
with
different
levels
(PS
>
SS),
resulting
obvious
heterogeneity
microorganisms.
The
absolute
abundance
bacteria
(16S
rRNA
gene
copies)
varied
significantly
between
two
successions
(P
<
0.0001).
networks
analysis
showed
number
nodes
bacterial
communities
lower
PS
compared
SS
(1002
vs.
1004),
indicating
heavy
would
reduce
communities.
Compared
PS,
exhibited
stronger
competitiveness
(positive:
negative,
P/N:
25.69
64.22),
whereas
fungal
were
closer
symbiotic
relationships
(positive/negative,
15.85
14.29).
neutral
model
(NCM)
revealed
stochastic
processes
predominantly
governed
(bacterial
R2:
0.657,
0.686).
Mantel
test
negatively
associated
cbbLR,
amoA,
phoD.
results
Sankey
diagram
fungi
more
resistant
than
(27
13).
This
study
contributes
understanding
under
stress
identifying
strains
potential
for
remediation.
Environmental Microbiome,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: Oct. 22, 2024
The
symbiosis
between
arbuscular
mycorrhizal
fungi
(AMF)
and
plants
often
stimulates
plant
growth,
increases
agricultural
yield,
reduces
costs,
thereby
providing
significant
economic
benefits.
AMF
can
also
benefit
through
affecting
the
rhizosphere
microbial
community,
but
underlying
mechanisms
remain
unclear.
Using
Rhizophagus
intraradices
as
a
model
species,
we
assessed
how
influences
bacterial
composition
functional
diversity
16
S
rRNA
gene
sequencing
non-targeted
metabolomics
analysis
in
of
aluminum-sensitive
soybean
that
were
inoculated
with
pathogenic
fungus
Nigrospora
oryzae
phosphorus-solubilizing
Talaromyces
verruculosus
an
acidic
soil.
inoculation
R.
intraradices,
N.
T.
didn't
have
influence
on
levels
soil
C,
N,
P,
or
various
characteristics
such
seed
weight,
crude
fat
protein
content.
However,
their
affected
structure,
function
nutrient
dynamics
resident
community.
co-inoculation
increased
relative
abundance
Pseudomonas
psychrotolerans,
which
was
capable
N-fixing
related
to
cry-for-help
theory
(plants
signal
for
beneficial
microbes
when
under
stress),
within
rhizosphere.
expression
metabolic
pathways
associated
synthesis
unsaturated
fatty
acids,
known
enhance
resistance
adverse
environmental
conditions.
stimulated
stress
response
inside
environment
by
enriching
polyene
macrolide
antifungal
antibiotic-producing
genus
Streptomyces
root
endosphere
upregulating
two
antibacterial
activity
steroid
biosynthesis
Although
enriched
Bradyrhizobium
urease
activity,
it
had
no
effects
biomass
N
content
soybean.
Lastly,
host
niches
exhibited
differences
most
bacteria
accumulating
Rhizobium
vallis
only
detected
endosphere.
Our
findings
demonstrate
intricate
interactions
AMF,
core
fungi,
root-associated
ecological
co-mediate
regulation
nutrients,
composition,
function,
metabolisms
microbiome
improved
recruiting
specific
PGPR
promotion
pathway.
antibiotic
production
reaction-associated
pathways.
utility
evaluation
some
agents
should
consider
potential
impact
Olsen-P
soils
limited
P
availability.
sampling
compartments
(i.e.,
rhizosphere)
exerted
greater
assembly
shift
community
than
application
agents.
Morphological
and
phylogenetic
(45S
nrDNA+RPB1
gene)
analyses
of
three
glomoid
spore-producing
arbuscular
mycorrhizal
fungi
revealed
the
presence
two
new
species
be-longing
to
genus
Glomus
in
family
Glomeraceae.
In
field,
highlandensis
sp.
nov.
was
found
a
saltmarsh
Scottish
Highlands
maritime
sand
dunes
Baltic
Sea
Poland,
both
saline
environments,
while
G.
mongioie
originates
from
Italian
Alps.
Phylogenetic
placement
analysis
using
environmental
sequences
indicated
that
could
have
likely
worldwide
distribution
seems
be
rare
world.
The
molecular
provided
important
insights
about
ribosomal
variants
Glomus,
with
potential
negative
implication
phylogeny
recognition.