Journal of Experimental Botany,
Год журнала:
2024,
Номер
75(22), С. 6893 - 6897
Опубликована: Дек. 3, 2024
This
article
comments
on:
Kabir
AH,
Thapa
A,
Hasan
R,
Parvej
R.
2024.
Local
signal
from
Trichoderma
afroharzianum
T22
induces
host
transcriptome
and
endophytic
microbiome
leading
to
growth
promotion
in
sorghum.
Journal
of
Experimental
Botany
75,
https://doi.org/10.1093/jxb/erae340.
Journal of Fungi,
Год журнала:
2025,
Номер
11(3), С. 207 - 207
Опубликована: Март 6, 2025
Sorghum
(Sorghum
bicolor
L.)
is
a
globally
important
energy
and
food
crop
that
becoming
increasingly
integral
to
security
the
environment.
However,
its
production
significantly
hampered
by
various
fungal
phytopathogens
affect
yield
quality.
This
review
aimed
provide
comprehensive
overview
of
major
affecting
sorghum,
their
impact,
current
management
strategies,
potential
future
directions.
The
diseases
covered
include
anthracnose,
grain
mold
complex,
charcoal
rot,
downy
mildew,
rust,
with
an
emphasis
on
pathogenesis,
symptomatology,
overall
economic,
social,
environmental
impacts.
From
initial
use
fungicides
shift
biocontrol,
rotation,
intercropping,
modern
tactics
breeding
resistant
cultivars
against
mentioned
are
discussed.
In
addition,
this
explores
disease
management,
particular
focus
role
technology,
including
digital
agriculture,
predictive
modeling,
remote
sensing,
IoT
devices,
in
early
warning,
detection,
management.
It
also
key
policy
recommendations
support
farmers
advance
research
thus
emphasizing
need
for
increased
investment
research,
strengthening
extension
services,
facilitating
access
necessary
inputs,
implementing
effective
regulatory
policies.
concluded
although
pose
significant
challenges,
combined
effort
innovative
policies
can
mitigate
these
issues,
enhance
resilience
sorghum
facilitate
global
issues.
Journal of Experimental Botany,
Год журнала:
2024,
Номер
75(22), С. 7107 - 7126
Опубликована: Авг. 7, 2024
Trichoderma,
a
highly
abundant
soil
fungus,
may
benefit
plants,
yet
it
remains
understudied
in
sorghum
(Sorghum
bicolor).
In
this
study,
plants
were
grown
for
5
weeks
pots
of
with
or
without
inoculation
T.
afroharzianum
T22.
Inoculation
T22
significantly
increased
growth
parameters
and
nutrient
levels,
demonstrating
its
beneficial
role
sorghum.
A
split-root
assay
demonstrated
that
is
essential
both
compartments
the
pot
promoting
plant
growth,
suggesting
local
signals
from
fungus
drive
symbiotic
benefits
RNA-seq
analysis
revealed
induced
genes
responsible
mineral
transport
(such
as
nitrate
aquaporin
transporters),
auxin
response,
sugar
assimilation
(hexokinase),
disease
resistance
(thaumatin)
roots.
Microbial
community
further
unveiled
positive
enriching
Penicillium
Streptomyces
while
reducing
disease-causing
Fusarium
The
microbial
consortium,
consisting
enriched
microbiomes
bacterial
fungal
communities,
showed
disrupted
morphological
features
inoculated
absence
griseus.
However,
disruption
was
not
observed
chrysogenum.
These
results
indicate
S.
griseus
acts
helper
microbe
close
association
endosphere.
This
study
provides
first
comprehensive
explanation
how
modulates
host
molecular
determinants
endophytic
microbes,
thereby
collectively
growth.
findings
facilitate
formulation
synthetic
inoculants
dominated
by
to
enhance
stress
resilience
similar
crops.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 16, 2024
ABSTRACT
Iron
(Fe)
deficiency
is
a
limiting
factor
for
legumes,
yet
the
role
of
beneficial
fungi
in
mitigating
Fe
garden
pea
understudied.
In
this
study,
Trichoderma
afroharzianum
T22
colonized
roots
cultivars
exposed
to
alkali-mediated
Fe-deficiency
host-
specific
manner.
Fe-deficient
Sugar
Snap,
improved
growth
parameters
consistent
with
increased
tissue
and
rhizosphere
siderophore.
The
split-root
assay
demonstrated
that
effects
on
mitigation
are
result
whole-plant
association
rather
than
localized
root-specific
effects.
RNA-seq
analysis
showed
575
818
differentially
expressed
genes
upregulated
downregulated
inoculated
under
deficiency.
were
mostly
involved
flavonoid
biosynthetic
pathway
(monooxygenase
activity,
ammonia-lyase
4-coumarate-CoA
ligase),
along
related
mineral
transport
redox
homeostasis.
Further,
precursor
restored
plant
health
even
absence
T22,
confirming
microbial
symbiosis
Interestingly,
abundance
rhizobia,
particularly
Rhizobium
leguminosarum
indicum
,
induction
NifA
NifD
NifH
nodules,
suggesting
connection
between
rhizobia
Fe-starvation.
elevated
siderophore,
root
flavonoid,
expression
PsCoA
(4-coumarate-CoA
ligase)
as
well
relative
TaAOX1
R.
diminished
when
was
substituted
exogenous
Fe.
This
suggests
eliminates
need
microbiome-driven
mobilization,
while
T22-mediated
depends
flavonoid-
driven
abundance.
It
further
supported
by
positive
interaction
media.
Thus,
effect
likely
stems
from
their
interactions,
not
just
status
plants.
study
provides
first
mechanistic
insights
into
interactions
host
advancing
microbiome
strategies
alleviate
peas
other
legumes.
Journal of Fungi,
Год журнала:
2024,
Номер
10(12), С. 811 - 811
Опубликована: Ноя. 22, 2024
The
global
rise
in
population
has
led
to
an
increased
demand
for
food
production,
necessitating
the
adoption
of
sustainable
agricultural
practices.
Traditional
methods
often
rely
on
synthetic
chemicals
that
negatively
impact
both
human
health
and
environment.
This
study
aimed
screen
soil
fungal
strains
plant-growth-promoting
traits,
specifically
focusing
their
ability
solubilize
phosphates,
produce
indole-3-acetic
acid
(IAA),
synthesize
siderophores.
Fungal
were
identified
using
rDNA
sequencing
ITS
regions,
growth-promoting
abilities
assessed
vitro.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 23, 2024
Abstract
Iron
(Fe)
metabolism
is
linked
to
drought
tolerance,
and
microbial
community
composition,
by
unknown
mechanisms.
In
this
growth
incubator
study,
exogenous
Fe
caused
a
significant
recovery
from
retardation
in
sorghum
exposed
drought,
including
improved
photosynthetic
attributes.
The
elevation
of
roots
Fe-treated
plants
was
correlated
with
increased
SbFER1
(
Ferritin
1
)
expression,
elevated
siderophore
levels,
decreased
H
2
O
,
suggesting
that
ferritin
minimizes
oxidative
stress
under
drought.
RNA-sequencing
analysis
demonstrated
the
Fe-associated
induction
genes
associated
auxin
transport,
plus
indole-3-acetic
acid
abscisic
acid.
Amplicon
sequencing
indicated
alterations
both
bacterial
fungal
communities
added
Fe.
Among
fungi,
reduced
Curvularia
Pseudallescheria
regardless
while
Taralomyces
but
declined
when
augmented
during
Trichoderma
levels
remained
similar
control
conditions
dramatically
16S
analysis,
massive
increase
Trinickia
which
further
amplified
treatment,
Burkholderia
minimized
treatment.
substantial
decrease
Herbaspirillum
not
reversed
supplementation.
abundance
Streptomyces
known
modulator
plant
did
change
water
stress,
split-root
assays
suggested
required
for
assist
These
findings
indicate
Fe-mediated
tolerance
ferritin-driven
redox
regulation
shifts
communities.