Harnessing the Power of Transcription Factors for Crop Improvement: Insights from Stress Tolerance, Development, and Metabolic Regulation
Current Plant Biology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100488 - 100488
Published: May 1, 2025
Language: Английский
ANAC042 Regulates the Biosynthesis of Conserved- and Lineage-Specific Phytoalexins in Arabidopsis
Ivan Monsalvo,
No information about this author
Leonardo Parasecolo,
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Sarah Pullano
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et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(8), P. 3683 - 3683
Published: April 13, 2025
Phytoalexins
are
specialized
metabolites
that
synthesized
by
plants
in
response
to
pathogens.
A
paradigm
transcription
factor
(TF)
biology
is
conserved
TFs
have
dedicated
roles
across
plant
lineages
regulating
specific
branches
of
metabolism.
However,
the
Arabidopsis
(Arabidopsis
thaliana)
NAC
family
TF
ANAC042
(a.k.a.
JUNGBRUNNEN1
or
JUB1)
regulates
synthesis
camalexin,
a
Trp-derived
phytoalexin
specifically
produced
several
Brassicaceae
species,
whereas
its
homolog
soybean
(Glycine
max)
glyceollins,
which
Phe-derived
phytoalexins
soybean.
The
question
addressed
this
research
whether
broadly
biosynthetic
pathways
Arabidopsis.
Using
novel
matrix-assisted
laser
desorption
ionization
high-resolution
mass
spectrometry
(MALDI-HRMS)
method,
we
found
loss-of-function
mutant
anac042–1
elicited
with
bacterial
flagellin
(Flg22)
deficient
lineage-specific
Trp-
and
phytoalexins—namely
camalexin
4-hydroxyindole-3-carbonyl
nitrile
(4OH-ICN),
pathogen-inducible
monolignols
scopoletin,
respectively.
Overexpressing
anac042-1
restored
exceeded
wildtype
amounts
metabolites.
expression
genes
overexpression
lines
mirrored
accumulation
Yeast-one
hybrid
promoter-reporter
assays
Nicotiana
benthamiana
protein
directly
binds
activates
promoters
CYP71B15,
CYP71A12,
PAL1
for
4OH-ICN,
monolignol/scopoletin,
Our
results
demonstrate
latter
suggests
it
an
opportunistic
has
coopted
into
metabolism,
thus
providing
exception
current
paradigm.
Language: Английский
Integrated physiological and transcriptome analyses of the effects of water-soluble amino acid fertilizer on plant growth
Tong Li,
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X Chen,
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Shoutao Cao
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et al.
Journal of King Saud University - Science,
Journal Year:
2024,
Volume and Issue:
36(11), P. 103504 - 103504
Published: Oct. 24, 2024
Language: Английский
Heterologous Expression of a Potential ‘Paulownia fortunei’ MYB Factor Gene, PfMYB90, Improves Salt and Cold Tolerance in Arabidopsis
Hongling Wang,
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Shi Shi-zheng,
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Guijie Luo
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et al.
Plants,
Journal Year:
2024,
Volume and Issue:
14(1), P. 24 - 24
Published: Dec. 25, 2024
The
paulownia
tree
belongs
to
the
Paulowniaceae
family.
Paulownia
has
strong
vitality;
adaptability
harsh
environmental
conditions;
and
can
be
used
as
building
raw
material,
well
processing
drugs
having
other
purposes.
In
research
field
of
MYB
transcription
factors
tree,
it
is
rare
discuss
resistance
abiotic
stress.
in
this
area
not
received
sufficient
attention
depth,
which
also
indicates
an
important
potential
direction
for
future
research.
study,
we
performed
bioinformatics
analysis
stress-related
gene
PfMYB90,
a
factor,
investigated
its
mechanism
action
under
salt
cold
stresses.
PfMYB90
was
strongly
expressed
fully
unfolded
leaf
root
plants
both
stress
treatments.
Transgenic
Arabidopsis
had
greater
survival
rate
stresses,
degree
damage
comparatively
smaller,
according
phenotypic
observation
calculations.
By
measuring
corresponding
physiological
indexes
after
detecting
expression
levels
genes
(AtNHX1,
AtSOS1,
AtSOS2,
AtSOS3,
AtCBF1,
AtCBF3,
AtCOR15a,
AtRD29a),
found
that
transfer,
showed
tolerance
This
consistent
with
results
mentioned
above.
transgenic
technology
enables
survive
adverse
conditions,
allowing
maintain
relatively
stable
growth
state
despite
accumulation
Therefore,
may
key
regulatory
network
damage,
one
fortunei
conditions.
Language: Английский