The Interaction between Arbuscular Mycorrhizal Fungi (AMF) and Grass Endophyte (Epichloë) on Host Plants: A Review
Journal of Fungi,
Год журнала:
2024,
Номер
10(3), С. 174 - 174
Опубликована: Фев. 26, 2024
In
nature,
plants
frequently
experience
concurrent
colonization
with
arbuscular
mycorrhizal
fungi
(AMF)
and
grass
endophytes
(Epichloë).
These
two
assist
in
mineral
uptake
stress
tolerance
by
the
host.
Despite
abundance
of
recent
studies
exploring
individual
functions
these
diverse
ecosystems,
research
on
effects
interaction
between
symbiotic
host,
particularly
agricultural
production
ecological
conservation.
This
review
provides
an
overview
current
knowledge
regarding
AMF
their
synergistic
host
response
to
abiotic
biotic
stress,
while
also
outlining
prospects
for
future
this
field.
not
only
enhances
our
comprehension
complex
fungi,
but
facilitates
optimal
utilization
fungal
resources,
contributing
construction
higher
production.
Язык: Английский
Transcriptome analysis unveils the functional effects of ectomycorrhizal fungal colonization on cadmium tolerance of willow saplings
Lijiao Wang,
Baoshan Yang,
Hui Wang
и другие.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Март 18, 2025
Ectomycorrhizal
fungus
(ECMF)
could
enhance
plant
tolerance
to
heavy
metal
toxicity
by
altering
accumulation
and
protecting
plants
from
oxidative
injury.
However,
the
molecular
mechanisms
underlying
ECMF-mediated
detoxification
of
cadmium
(Cd)
in
willow
sapling
are
not
well
known.
This
study
aimed
unveil
roles
Cenococcum
geophilum
(CG)
Suillus
luteus
(SL)
regulating
Cd
(Salix
psammophila
'Huangpi1')
saplings.
systematically
evaluated
physiological
biochemical
parameters
leaf
root
tissues
18
saplings,
while
concurrently
conducting
transcriptomic
analysis
roots
under
stress.
The
specific
treatments
were
labeled
as
follows:
NF
(no
ECMF
inoculation
no
addition),
CG
(CG
colonization
only),
SL
(SL
NF+Cd
with
100
μM
CG+Cd
SL+Cd
addition).
results
showed
growth,
photosynthesis,
antioxidant
system
transcriptome
2-month-old
saplings
responded
differently
ECMFs
S.
markedly
increased
aerial
parts
biomass,
C.
significantly
enhanced
property
indices
highest
number
differentially
expressed
genes
(DEGs)
was
observed
comparison
between
addition)
activated
hormone
signal
transduction
carbohydrate
metabolism
pathways,
synthesis
secondary
metabolites.
provides
a
perspective
on
mechanism
interaction
stress
supports
application
for
phytoremediation
Cd-contaminated
soil.
Язык: Английский
Genome-wide identification of GA2ox genes family and analysis of PbrGA2ox1-mediated enhanced chlorophyll accumulation by promoting chloroplast development in pear
BMC Plant Biology,
Год журнала:
2024,
Номер
24(1)
Опубликована: Март 4, 2024
Abstract
Background
Chlorophyll
(Chl)
is
an
agronomic
trait
associated
with
photosynthesis
and
yield.
Gibberellin
2-oxidases
(GA2oxs)
have
previously
been
shown
to
be
involved
in
Chl
accumulation.
However,
whether
how
the
PbrGA2ox
proteins
(PbrGA2oxs)
mediate
accumulation
pear
(
Pyrus
spp.
)
scarce.
Results
Here,
we
aimed
elucidate
role
of
GA2ox
gene
family
related
underlying
mechanisms.
We
isolated
13
genes
PbrGA2oxs
from
database
identified
PbrGA2ox1
as
a
potential
regulator
found
that
transiently
overexpressing
chlorotic
leaves
led
accumulation,
silencing
normal
degradation,
evident
by
regreening
chlorosis
phenomenon,
respectively.
Meanwhile,
-overexpressing
(OE)
tobacco
plants
discernably
exhibited
built-up,
evidenced
significantly
higher
Pn
Fv
/
Fm
.
In
addition,
RNA
sequencing
(RNA-seq),
physiological
biochemical
investigations
revealed
increase
abscisic
acid
(ABA),
methyl
jasmonate
(MeJA),
salicylic
(SA)
concentrations
signaling
pathways;
marked
elevation
reducing
soluble
sugar
contents;
marginal
decline
starch
sucrose
levels
OE
plants.
Interestingly,
overexpression
did
not
prominently
affect
synthesis.
it
indeed
facilitated
chloroplast
development
increasing
number
per
cell
compacting
thylakoid
granum
stacks.
These
findings
might
jointly
contribute
Conclusion
Overall,
our
results
suggested
GA2oxs
accelerate
stimulating
proved
candidate
for
genetically
breeding
biofortified
Язык: Английский
A novel growth-promoting dark septate endophytic fungus improved drought tolerance in blueberries by modulating phytohormones and non-structural carbohydrates
Tree Physiology,
Год журнала:
2024,
Номер
44(9)
Опубликована: Авг. 20, 2024
Drought
is
a
significant
global
issue
affecting
agricultural
production,
and
the
utilization
of
beneficial
rhizosphere
microorganisms
one
effective
ways
to
increase
productivity
crops
forest
under
drought.
In
this
study,
we
characterized
novel
growth-promoting
dark
septate
endophytes
(DSE)
fungus
R16
(Dothideomycetes
sp.)
derived
from
blueberry
roots.
Hyphae
or
microsclerotia
were
visible
within
epidermal
cortical
cells
R16-colonized
roots,
which
was
consistent
with
typical
characteristics
DSE
fungi.
Inoculation
promoted
growth
seedlings,
advantage
over
control
group
more
PEG-induced
Comparison
physiological
indicators
related
drought
resistance
between
inoculated
groups
performed
on
potted
plants,
including
chlorophyll
content,
net
photosynthetic
rate,
root
activities,
malondialdehyde
H2O2
indicated
that
colonization
mitigated
injury
in
plants.
We
further
analyzed
effects
phytohormones
non-structural
carbohydrates
(NSCs)
explore
mechanism
increased
tolerance
by
seedlings.
The
results
showed
except
for
gibberellin
indole-3-acetic
acid,
zeatin
abscisic
acid
varied
significantly
groups.
Sucrose
phosphate
synthase
sorbitol-6-phosphate
dehydrogenase
activities
mature
leaves,
key
enzymes
responsible
sucrose
sorbitol
synthesis,
respectively,
as
well
dehydrogenase,
synthase,
cell
wall
invertase,
hexokinase
fructokinase
involved
NSCs
metabolism,
differences
before
after
treatment.
These
suggested
positive
seedlings
are
partially
attributable
regulation
phytohormone
sugar
metabolism.
This
study
provided
valuable
information
research
interaction
fungi
host
plants
application
preparations
agriculture.
Язык: Английский
Inducing Aquilaria sinensis (Lour.) Spreng “Qinan” Agarwood Formation with Chemical Reagents
Agronomy,
Год журнала:
2024,
Номер
14(8), С. 1727 - 1727
Опубликована: Авг. 6, 2024
Agarwood
is
a
highly
sought-after
resinous
wood
for
use
in
medicine,
incense,
and
perfume
production.
However,
the
process
of
agarwood
formation
slow.
In
this
study,
induction
three-year-old
Aquilaria
sinensis
“Qinan”
trees
through
treatment
with
ethephon,
hydrogen
peroxide,
sodium
chloride,
distilled
water,
wounding
was
investigated.
The
results
showed
that
starch
content
significantly
decreased
soluble
sugar
increased
during
formation,
no
significant
difference
between
different
groups.
net
photosynthetic
rate
decreased.
Except
chloride
treatment,
total
antioxidant
capacity
contents
flavonoids
phenols
formation.
essential
oil
yield
ethephon
peroxide
groups
higher
than
other
groups,
highest
group.
Compared
to
control
group,
salt
produced
lowest
agarwood.
indicate
appropriate
concentrations
can
promote
A.
“Qinan”.
Язык: Английский
Arbuscular mycorrhizal fungi alter carbon metabolism and invertase genes expressions of Populus simonii × P. nigra under drought stress
Physiologia Plantarum,
Год журнала:
2024,
Номер
176(5)
Опубликована: Сен. 1, 2024
Arbuscular
mycorrhizal
fungi
(AMF)
play
a
crucial
role
in
regulating
the
allocation
of
carbon
between
source
and
sink
tissues
plants
their
stress
responses
by
changing
sucrose
biosynthesis,
transportation,
catabolism
plants.
Invertase,
key
enzyme
for
plant
development,
participates
response
to
drought
metabolism.
However,
detailed
mechanisms
which
INV
genes
respond
remain
unclear.
This
study
examined
sugar
content,
activity,
expression
profiles
Populus
simonii
×
P.
nigra
(PsnINVs)
under
two
inoculation
treatments
(inoculation
or
non-inoculation)
water
conditions
(well-watered
stress).
Results
showed
that
stress,
AMF
up-regulated
expressions
PsnA/NINV1,
PsnA/NINV2,
PsnA/NINV3,
PsnA/NINV5
leaves,
may
be
related
enhancement
photosynthetic
capacity.
Additionally,
PsnA/NINV6,
PsnA/NINV10,
PsnA/NINV12
enhancing
osmotic
regulation
ability
tolerance.
Язык: Английский