bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Oct. 18, 2022
Abstract
Studying
natural
variation
in
multi-stress
resistance
is
central
for
predicting
and
managing
the
population
dynamics
of
wild
plant
species
under
rapid
global
change.
Yet,
it
remains
a
challenging
goal
this
field
to
integrate
knowledge
on
complex
biochemical
underpinnings
targeted
‘non-model’
species.
Here,
we
studied
latitudinal
divergence
combined
drought
heat
stress
European
populations
dune
Cakile
maritima
,
by
combining
comprehensive
phenotyping
with
metabolic
profiling
via
FT-ICR-MS
UPLC-TQ-MS/MS.
We
observed
pronounced
constitutive
growth
phenology,
leaf
functional
traits
defence
chemistry
(glucosinolates,
alkaloids)
among
origins.
Most
importantly,
magnitude
reduction
was
partly
weaker
southern
plants
associated
plastic
responses
(root
expansion,
abscission)
stress-induced
modulation
primary
specialized
metabolites
known
functions
not
only
abiotic
but
also
biotic
resistance.
Our
study
supports
that
divergent
selection
has
shaped
expression
numerous
morphological
mediate
higher
populations,
highlights
metabolomics
powerful
tool
explore
mechanistic
local
adaptation
Highlight
Plant
its
exhibits
clines
across
coastal
plant.
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(1)
Published: Jan. 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,
Journal Year:
2024,
Volume and Issue:
10(5), P. 329 - 329
Published: April 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,
Journal Year:
2024,
Volume and Issue:
72(30), P. 16812 - 16824
Published: July 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-
Climate
change
is
a
big
challenge
for
agriculture
since
it
affects
crop
productivity
and
yield.
The
increase
of
droughts,
salinity,
soil
degradation
are
some
the
main
consequences
climate
change.
use
microorganisms
has
emerged
as
an
alternative
to
mitigate
them.
Among
these
microorganisms,
dark
septate
endophytes
(DSEs)
have
garnered
more
attention
in
recent
years.
Various
studies
show
that
their
association
with
plants
helps
reduce
harmful
effects
abiotic
stresses
increases
nutrient
availability,
allowing
thrive
under
adverse
conditions.
This
work
reviews
effect
DSEs
subjacent
mechanisms
will
help
develop
higher
tolerance
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(1), P. 208 - 208
Published: Jan. 16, 2025
Dark
septate
endophytes
(DSE)
may
facilitate
plant
growth
and
stress
tolerance
in
stressful
ecosystems.
However,
little
is
known
about
the
response
of
medicinal
plants
to
DSE,
especially
under
heavy
metal
stress.
This
study
aimed
investigate
how
DSE
affects
Dendranthema
morifolium
cadmium
(Cd)
In
this
investigation,
sterile
non-sterile
inoculations
were
carried
out
evaluate
effect
three
strains
on
D.
stressed
with
Cd.
For
root,
DSE15
or
inoculation
resulted
enhanced
root
biomass,
volume,
Cd
content
roots,
indoleacetic
acid
(IAA)
levels
DSE7
significantly
roots
at
1
5
mg
Cd/kg
soil.
Regarding
impact
stems
leaves,
conditions,
effectively
regulated
shoot
height,
chlorophyll
level,
superoxide
dismutase
(SOD)
content.
Under
positively
influenced
biomass
while
had
no
significant
them
when
subjected
effects
flowers
increased
flower
stress,
reduced
transfer
coefficient
Importantly,
soil,
promoted
1,
5-dicaffeoylquinic
by
18.29%
21.70%.
The
interaction
between
soil
factors
revealed
that
species
organic
carbon
available
nitrogen
content,
These
results
contribute
a
better
understanding
DSE-plant
interactions
habitats
contaminated
metals
demonstrate
potential
utility
for
cultivating
plants.
