Horticulturae,
Journal Year:
2022,
Volume and Issue:
8(5), P. 351 - 351
Published: April 20, 2022
The
purpose
of
this
study
was
to
explore
the
regulation
BcMYB44
on
anthocyanin
synthesis
and
drought
tolerance
non-heading
Chinese
cabbage.
gene
cloned
from
purple
inbred
line
‘NJZX1-3’
its
green
mutant
‘NJZX1-0’.
Sequence
analysis
confirmed
that
belongs
R2R3-MYB
family
has
highest
homology
with
BnMYB44.
Subcellular
localization
revealed
is
a
nuclear
protein.
Yeast
two-hybrid
(Y2H)
Bimolecular
Fluorescent
Complimentary
(BiFC)
experiments
showed
interacts
BcPAP1
BcEGL3.
Pigment
detection
protein
activity
in
N.
benthamiana
indicates
plays
negative
regulatory
role
by
inhibiting
expression
key
structural
genes
(F3H,
DFR,
etc.)
synthesis.
Virus-induced
silencing
(VIGS)
further
inhibition.
Analysis
cabbage
based
VIGS
pTY-S
plants
are
more
resistant
than
pTY-BcMYB44
plants.
results
indicate
positive
stress,
which
most
likely
achieved
accumulation,
regulating
stomatal
movement,
improving
osmotic
homeostasis
reactive
oxygen
species
(ROS).
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(6), P. 3480 - 3480
Published: March 16, 2022
The
global
food
production
for
the
worldwide
population
mainly
depends
on
huge
contributions
of
agricultural
sector.
cultivated
crops
foods
need
various
elements
or
nutrients
to
complete
their
growth,
and
these
are
indirectly
consumed
by
humans.
During
this
production,
several
environmental
constraints
stresses
may
cause
losses
in
production.
These
obstacles
include
abiotic
biotic
stresses,
which
have
already
been
studied
both
individual
combined
cases.
However,
there
very
few
studies
multiple
stresses.
On
basis
myriad
benefits
nanotechnology
agriculture,
nanofertilizers
(or
nanonutrients)
become
promising
tools
sustainability.
Nanofertilizers
also
proper
solution
overcoming
health
problems
that
can
result
from
conventional
fertilizers.
role
has
increased,
especially
under
different
individual,
combined,
most
commonly
nature;
however,
still
needed
stress
levels.
play
a
crucial
supporting
plants
improving
plant
yield,
quantitatively
qualitatively.
Similar
other
biological
issues,
many
open-ended
questions
require
further
investigation:
Is
right
time
era
agriculture?
Will
be
dominant
source
modern
Are
nanofertilizers,
particularly
synthesized
ones,
magic
sustainable
What
expected
damages
plants?
The Plant Journal,
Journal Year:
2025,
Volume and Issue:
121(5)
Published: March 1, 2025
High
temperature
influence
flower
bud
differentiation
in
Physalis
grisea,
resulting
the
production
of
deformed
fruits
and
affects
fruit
yield
quality.
However,
molecular
mechanisms
underlying
response
P.
grisea
to
heat
stress
(HS)
remain
unclear.
In
this
study,
HS
treatment
dynamic
transcriptome
analysis
identified
PgCDF2-PgHSFA1/PgHSFB3
transcriptional
regulatory
module
as
playing
a
key
role
HS.
Gene
Ontology
(GO)
enrichment
analysis,
regulation
prediction,
weighted
correlation
network
(WGCNA)
(HS)-responsive
data
three
genes,
PgCDF2,
PgHSFA1
PgHSFB3,
components
grisea.
The
expression
levels
PgHSFA1,
PgHSFB3
were
up-regulated
following
exposure
Silencing
resulted
reduced
tolerance
altered
reactive
oxygen
species
Dual-luciferase
assay
Electrophoretic
Mobility
Shift
Assay
(EMSA)
results
indicate
that
PgCDF2
binds
promoters
activate
their
expression.
inhibited
also
summary,
under
HS,
enhances
by
activating
PgHSFB3.
This
study
clarifies
providing
theoretical
basis
for
more
in-depth
response.
New Phytologist,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Cuticular
wax
covering
aboveground
organs
serves
as
the
first
line
of
defense
shielding
plants
from
nonstomatal
water
loss
and
diverse
environmental
stresses.
While
there
have
been
several
wax-related
genes
identified,
molecular
mechanisms
responsible
for
control
biosynthesis
remain
poorly
understood
in
citrus,
particularly
at
posttranscriptional
level.
Here,
we
demonstrated
that
CsMYB44-csi-miR0008-CsCER1
module
is
regulating
drought
tolerance
citrus
through
its
cuticular
biosynthesis.
In
this
study,
microRNA
(miRNA)
sequencing
analyses
'Newhall'
navel
oranges
wax-deficient
'Ganqi
3'
mutant
variety
led
to
identification
a
novel
biosynthesis-related
miRNA,
csi-miR0008.
csi-miR0008
suppresses
expression
CsCER1,
an
aldehyde
decarbonylase-encoding
gene
associated
with
n-alkane
The
leaves
csi-miR0008-silencing
CsCER1-overexpressing
exhibited
increases
total
levels,
pronounced
contributing
enhanced
tolerance.
csi-miR0008-overexpressing
CsCER1-silencing
opposite
phenotypes.
CsMYB44
was
confirmed
promote
accumulation
by
directly
inhibiting
Taken
together,
our
study
offers
new
insight
into
biosynthesis,
while
also
providing
foundation
breeding
varieties
exhibiting
Physiologia Plantarum,
Journal Year:
2025,
Volume and Issue:
177(2)
Published: March 1, 2025
Drought
and
heat
stress
often
co-occur
in
nature,
their
combined
effects
are
a
major
driver
of
crop
losses,
causing
more
severe
damage
to
plant
metabolism
than
when
they
occur
individually.
This
study
investigates
the
responses
three
edamame
cultivars
(AGS429,
UVE14,
UVE17)
drought
(DH)
stress,
with
emphasis
on
reactive
oxygen
species
(ROS),
antioxidative
mechanisms
cell
wall
modifications.
Malondialdehyde
(MDA),
electrolyte
leakage
(EL),
hydrogen
peroxide
(H2O2)
were
used
measure
oxidative
membrane
damage.
The
non-enzymatic
(ascorbic
acid,
AsA)
enzymatic
(superoxide
dismutase,
ascorbate
peroxidase
(APX),
guaiacol
peroxidase,
glutathione
reductase)
antioxidant
determined
spectrophotometrically.
Cell
biomass
composition
(cellulose,
hemicellulose,
lignin,
phenols)
was
using
Fourier
transform
Infrared
Spectroscopy
spectrophotometry.
Ascorbate
activity
AsA
content
DH-stressed
AGS429
at
flowering
strongly
correlated
reduced
lipid
peroxidation
(r2
=
-0.97
-
0.98).
Cultivar
UVE14
accumulated
high
under
DH
both
growth
stages,
which,
turn,
positively
associated
total
phenolic
0.97),
APX
activity,
holocellulose,
suggesting
enhanced
ROS-dependent
polymerisation.
On
contrary,
poor
ROS
quenching
UVE17
led
MDA
accumulation
(p
≤
0.05),
leading
EL
cellulose
synthesis
pod-filling
-0.88).
Therefore,
physio-biochemical
level,
showed
tolerance
through
modifications,
while
susceptible.
Identifying
key
biochemical
traits
linked
offers
novel
insights
for
breeding
resilient
cultivars.
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(17), P. 9544 - 9544
Published: Sept. 3, 2021
The
MYB
transcription
factors
(TFs)
are
evolving
as
critical
role
in
the
regulation
of
phenylpropanoid
and
tanshinones
biosynthetic
pathway.
TFs
relate
to
a
very
important
gene
family,
which
involved
primary
secondary
metabolisms,
terpenoids,
bioactive
compounds,
plant
defense
against
various
stresses
cell
morphology.
R2R3
contained
conserved
N-terminal
domain,
but
domain
at
C-terminal
sorts
them
different
regarding
their
structures
functions.
suppressors
generally
possess
particular
repressive
motifs,
such
pdLNLD/ELxiG/S
TLLLFR,
contribute
suppression
through
diversity
complex
regulatory
mechanisms.
A
novel
flower
specific
"NF/YWSV/MEDF/LW"
motif
has
great
potential
understand
mechanisms
development.
In
current
review,
we
summarize
recent
advanced
progress
on
regulation,
posttranscriptional,
microRNA,
propose
directions
future
prospective
research.
We
further
suggest
there
should
be
more
focus
investigation
for
microalgae,
heterologous
protein
expression
system
perspectives.
Horticulture Research,
Journal Year:
2023,
Volume and Issue:
10(6)
Published: May 4, 2023
Abstract
The
yellowing
of
leaves
caused
by
the
decomposition
chlorophyll
(Chl)
is
a
characteristic
event
during
senescence,
which
can
be
induced
various
environmental
stresses.
However,
molecular
mechanisms
high
temperature-induced
Chl
degradation
in
horticultural
plants
remain
poorly
understood.
Here,
we
found
that
heat
stress
and
expression
ABI5
MYB44
cucumber.
Silencing
compromised
stress-induced
degradation,
transcription
pheophytinase
(PPH)
pheophorbide
oxygenase
(PAO),
two
key
genes
catabolic
pathway,
but
silencing
exhibited
opposite
results.
Furthermore,
interacted
with
vitro
vivo.
positively
regulated
through
pathways.
directly
bound
to
PPH
PAO
promoters
promote
their
expression,
leading
accelerating
degradation.
On
other
hand,
interaction
between
reduced
binding
led
ubiquitination-depended
protein
MYB44,
thereby
alleviating
inhibitory
effect
on
PAO.
Taken
together,
our
findings
propose
new
regulatory
network
for
regulating