Plant Cell & Environment,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 23, 2025
ABSTRACT
A
cystathionine
β‐synthase
(CBS)
gene,
FpCBS
,
of
the
wheat
crown
rot
pathogen,
Fusarium
pseudograminearum
was
identified.
highly
expressed
during
conidiation
and
early
phases
infection.
Compared
to
wild‐type
complemented
strains,
deletion
strain
had
a
similar
hyphal
morphology
growth
rate
but
reduced
conidiation.
In
culture,
showed
broad‐scale
changes
with
decrease
in
H
2
S
levels,
sulphur‐containing
amino
acids
1207
differentially
proteins.
The
also
deoxynivalenol
(DON)
production,
cellophane
penetration
ability,
antioxidant
capacity,
as
well
increased
iron
sensitivity
O
lipid
peroxidation.
During
infection,
Δ
Fpcbs
diminished
virulence
fewer
structures,
there
stronger
host
defence
response
epidermal
cells
having
thickened
walls
greater
reactive
oxygen
species
accumulation.
Transcriptomic
analysis
infected
leaves
1954
genes
compared
strain.
This
included
for
sulphur
metabolism,
antioxidative
defence,
plant
cell
wall‐degrading
enzymes
trichothecene
production.
not
only
plays
pivotal
role
metabolism
it
is
important
broad
range
fungal
functions,
including
homoeostasis,
mycotoxin
production
development
(conidiation
structures).
These
factors
may
all
contribute
varying
extents
significant
findings
have
shown
that
much
more
than
synthesis.
However,
its
highlights
potential
novel
target
developing
strategies
control
rot.
