Journal of Applied Microbiology,
Год журнала:
2023,
Номер
134(10)
Опубликована: Окт. 1, 2023
Dark
septate
endophytes
(DSE)
were
widely
used
in
the
agriculture
and
ecological
restoration.
The
objective
of
this
work
was
to
assess
effect
culture
media
nonionic
surfactant
emulsifier
on
biomass
metabolites
DSE
strain
Alternaria
sp.
17463.Changes
composition
following
addition
Tween
80
during
liquid
a
fungus
analyzed
growth
tests
alfalfa.Shaking
flask
fermentation
carried
out
fed
fermentation.
residual
sugar
content
pH
declined
significantly
medium
increased
by
7.27%
over
controls
with
no
surfactant.
Metabolomic
analysis
showed
that
adding
63
(P
<
0.05).
These
include
lipids
lipid-like
molecules,
organooxygen
compounds,
amino
acids
organic
acids,
flavonoids.
Enrichment
metabolic
pathways
indicates
promoted
carbohydrate
metabolism
acid
synthesis.
A
plant
hydroponic
experiment
indicated
these
changes
altered
root
structure
alfalfa
seedlings.
They
also
significant
increases
length
surface
area,
total
50.2%.The
utilization
synthesis
resulting
ability
fungal
change
promote
growth.
Mitigating
climate
change
in
soil
ecosystems
involves
complex
plant
and
microbial
processes
regulating
carbon
pools
flows.
Here,
we
advocate
for
the
use
of
microbiome
interventions
to
help
increase
stocks
curb
greenhouse
gas
emissions
from
managed
soils.
Direct
include
introduction
strains,
consortia,
phage,
transplants,
whereas
indirect
managing
conditions
or
additives
modulate
community
composition
its
activities.
Approaches
using
microbially
catalyzed
increasing
inputs
plants,
promoting
organic
matter
(SOM)
formation,
reducing
SOM
turnover
production
diverse
gases.
Marginal
degraded
soils
may
provide
greatest
opportunities
enhancing
global
stocks.
Among
many
knowledge
gaps
this
field,
crucial
influencing
transformation
plant-derived
into
identity
microbes
activities
impacting
transformation.
As
a
critical
step
forward,
encourage
broadening
current
widespread
screening
potentially
beneficial
microorganisms
encompass
functions
relevant
stimulating
Moreover,
developing
these
interventions,
must
consider
potential
ecological
ramifications
uncertainties,
such
as
incurred
by
homogenous
inoculants
need
site-specificity
given
extreme
variation
among
habitats.
Incentivization
implementation
at
large
spatial
scales
could
effectively
harness
increases
stocks,
helping
mitigate
impacts
change.
Physiologia Plantarum,
Год журнала:
2024,
Номер
176(1)
Опубликована: Янв. 1, 2024
Abstract
Dark
septate
endophytes
(DSE)
are
widespread
colonizers
of
plant
roots
and
have
important
ecological
functions
such
as
the
regulation
growth
nutrient
uptake.
The
mechanisms
by
which
DSE
mycelium
its
extracellular
metabolites
promote
not
yet
been
determined.
Here,
growth‐promoting
effects
(H)
(M)
on
alfalfa
(
Medicago
sativa
L.)
were
investigated.
Treatments
H,
M
HM
increased
total
biomass
23.9%,
47.2%
47.1%,
respectively.
H
modified
root
structure
increasing
volume
reducing
tissue
density,
promoting
Metabolomic
analysis
indicates
that
exudates
contained
204
different
types,
mainly
lipids
lipid‐like
molecules,
organic
acids
derivatives,
benzenoids.
There
more
organoheterocyclic
compounds
fewer
derivatives
in
treatment
than
M.
Pathway
shows
had
greater
glycerophospholipid
metabolism
N‐glycan
biosynthesis
pathway.
results
provide
information
involved
metabolic
promotion
DSE.
Journal of Fungi,
Год журнала:
2024,
Номер
10(5), С. 329 - 329
Опубликована: Апрель 30, 2024
Climate
change
is
a
notable
challenge
for
agriculture
as
it
affects
crop
productivity
and
yield.
Increases
in
droughts,
salinity,
soil
degradation
are
some
of
the
major
consequences
climate
change.
The
use
microorganisms
has
emerged
an
alternative
to
mitigate
effects
Among
these
microorganisms,
dark
septate
endophytes
(DSEs)
have
garnered
increasing
attention
recent
years.
Dark
shown
capacity
mitigating
reducing
harmful
agriculture,
such
drought,
reduced
nutrient
availability
soil.
Various
studies
show
that
their
association
with
plants
helps
reduce
abiotic
stresses
increases
availability,
enabling
thrive
under
adverse
conditions.
In
this
study,
effect
DSEs
underlying
mechanisms
help
develop
higher
tolerance
were
reviewed.
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(26), С. 14557 - 14569
Опубликована: Июнь 19, 2024
This
study
aimed
to
investigate
the
mechanisms
by
which
dark
septate
endophytes
(DSE)
regulate
salt
tolerance
and
accumulation
of
bioactive
constituents
in
licorice.
First,
stress
resynthesis
with
plant
effect
isolated
DSE
from
wild
licorice
were
tested.
Second,
performance
inoculated
DSE,
had
best
salt-tolerant
growth-promoting
effects,
was
examined
under
stress.
All
showed
promoted
growth,
withCurvularia
lunata
D43
being
most
effective.
Under
stress,
C.
could
promote
increase
antioxidant
enzyme
activities,
enhance
glycyrrhizic
acid
accumulation,
improve
key
activities
synthesis
pathway,
induce
expression
gene
The
structural
equation
model
demonstrated
that
alleviate
negative
effects
through
direct
indirect
pathways.
Variations
expression,
constituent
concentration
can
be
attributed
DSE.
These
results
contribute
revealing
value
for
cultivating
medicinal
plants
saline
soils.
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(30), С. 16812 - 16824
Опубликована: Июль 18, 2024
This
study
investigates
how
extracellular
polymeric
substances
(EPS)
synthesized
by
dark
septate
endophytic
(DSE)
improve
alfalfa's
drought
resistance.
Drought
stress
was
simulated
in
hydroponic
culture,
and
roots
were
treated
with
different
EPS
concentrations
to
determine
their
effects
on
tolerance
applicable
concentrations.
Hydroponic
solutions
0.25
0.50%
alleviated
leaf
wilting
increased
total
plant
fresh
weight
35.8
57.7%,
respectively.
SEM
shows
that
attached
the
may
have
served
protect
root
system.
treatment
significantly
depressed
MDA
contents
of
roots,
stems,
leaves.
Roots
responded
increasing
soluble
sugar
antioxidant
enzyme
activities,
while
mitigating
stem
synthesizing
lipid
compounds,
amino
acids,
organic
acid
metabolites.
Five
metabolites
been
reported
be
associated
growth,
namely
3-
Trends in Microbiology,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 1, 2024
Melanized
root-associated
fungi
are
a
group
of
that
produce
melanized
structures
and
form
root
associations,
including
different
mycorrhizal
endophytic
symbioses
with
plants.
They
pervasive
across
terrestrial
ecosystems
play
an
important
role
in
the
prevailing
soil
carbon
(C)
nutrient
cycling
syndromes
through
direct
indirect
mechanisms,
where
they
may
strongly
modulate
plant–microbe
interactions
structure
microbiomes.
Furthermore,
can
confer
on
plants
enhanced
ability
to
tolerate
abiotic
biotic
stressors
such
as
drought,
extreme
temperatures,
heavy
metals,
pathogen
attacks.
We
propose
cohesive
ecologically
relevant
grouping
be
indicator
plant–soil
system
functioning,
considering
them
will
advance
research
interactions.
Microorganisms,
Год журнала:
2024,
Номер
12(6), С. 1190 - 1190
Опубликована: Июнь 13, 2024
This
study
analyzed
the
effects
of
benzoic
acid
(BA)
on
physicochemical
properties
and
microbial
community
structure
perilla
rhizosphere
soil.
The
analysis
was
based
high-throughput
sequencing
technology
physiological
biochemical
detection.
results
showed
that
with
increase
in
BA
concentration,
soil
pH
significantly
decreased,
while
contents
total
nitrogen
(TN),
alkaline
(AN),
available
phosphorus
(AP),
potassium
(AK)
increased.
activities
conversion
enzymes
urease
phosphatase
increased,
but
catalase
peroxidase
decreased.
indicates
can
enzyme
activity
improve
nutrient
conversion;
addition
altered
composition
diversity
bacterial
fungal
communities.
relative
abundance
beneficial
bacteria
such
as
Gemmatimonas,
Pseudolabrys,
Bradyrhizobium
decreased
significantly,
harmful
fungi
Pseudogymnoascus,
Pseudoeurotium,
Talaromyces
increased
significantly.
Correlation
shows
AP,
AN,
TN
are
main
factors
affecting
elucidates
soil,
preliminarily
reveals
mechanism
its
allelopathic
effect
growth
perilla.
