Forests,
Journal Year:
2024,
Volume and Issue:
15(10), P. 1822 - 1822
Published: Oct. 18, 2024
Phospholipid:
diacylglycerol
acyltransferase
(PDAT)
is
crucial
in
triacylglycerol
(TAG)
synthesis
as
it
represents
the
final
rate-limiting
step
of
acyl-CoA-independent
acylation
reaction.
PDAT
not
only
regulates
lipid
plants,
but
also
plays
an
important
function
improving
stress
tolerance.
In
this
study,
full-length
coding
sequence
(CDS)
XsPDAT1,
totaling
2022
base
pairs
and
encoding
673
amino
acids,
was
cloned
from
Xanthoceras
sorbifolium.
The
relative
expression
XsPDAT1
significantly
positively
correlated
with
oil
accumulation
during
seed
kernel
development;
there
were
some
differences
patterns
under
different
abiotic
stresses.
Transgenic
Arabidopsis
thaliana
plants
overexpressing
obtained
using
Agrobacterium-mediated
method.
Under
low-temperature
stress,
transgenic
exhibited
a
smaller
decrease
chlorophyll
content,
increase
conductivity,
larger
POD
enzyme
activity
proline
content
leaves
compared
wild
type.
Additionally,
composition
analysis
revealed
significant
unsaturated
fatty
such
oleic
(C18:1)
linoleic
(C18:2),
seeds
to
These
results
suggest
that
dual
role
regulating
ratio
acid
plants.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 10, 2025
Melatonin
significantly
enhances
the
tolerance
of
plants
to
biotic
and
abiotic
stress,
plays
an
important
role
in
plant
resistance
salt
stress.
However,
its
molecular
mechanisms
eggplant
stress
have
been
rarely
reported.
In
previous
studies,
we
experimentally
demonstrated
that
melatonin
can
enhance
eggplants.
this
study,
treated
salt-stressed
with
a
control
treatment
water,
then
conducted
physiological
biochemical
tests,
transcriptomic
metabolomic
sequencing,
RT-qPCR
validation
at
different
stages
after
treatment.
The
results
showed
exogenous
alleviate
adverse
effects
on
by
increasing
activity
antioxidant
enzymes,
reducing
content
reactive
oxygen
species
plants,
organic
osmoprotectants.
Transcriptomic
data,
as
well
combined
analysis,
indicate
activate
metabolic
pathways
Compared
genes
α-linolenic
acid
metabolism
pathway
promote
accumulation
metabolites
pathway,
significant
observed
48
hours
treatment,
activates
expression
such
SmePLA2,
SmeLOXs
SmeOPR
et
al.
α-Linolenic
acid,
(9R,13R)-12-oxophytodienoic
9(S)-HpOTrE
(+)-7-iso-Jasmonic
acid.
validated
activating
effect
candidate
a-linolenic
pathway.
This
study
analyzed
mechanism
alleviating
providing
theoretical
foundation
for
application
enhancing
production.
Physiologia Plantarum,
Journal Year:
2025,
Volume and Issue:
177(1)
Published: Jan. 1, 2025
Abstract
Soybean
isoflavones,
natural
phytoestrogens
within
the
flavonoid
family,
exhibit
diverse
physiological
benefits
such
as
anticancer,
antioxidant,
and
cardioprotective
properties.
Yet,
underlying
biosynthetic
pathways
remain
unclear.
Research
is
required
to
get
better
knowledge
of
soybean
isoflavone
production
its
potential
uses.
Our
work
thoroughly
examined
R2R3‐MYB
subclass
in
discovered
a
new
MYB
transcription
factor,
GmMYB3a
,
which
shares
significant
similarities
with
Arabidopsis
genes
regulates
biosynthesis.
study
reveals
that
localizes
nucleus
membrane,
concurs
involvement
biosynthesis
isoflavones.
analysis
also
indicated
synergistic
expression
pattern
between
seed
development,
thereby
creating
hypothesis
it
has
critical
role
regulation
synthesis.
Transgenic
experiments
further
demonstrated
positively
leads
overexpression.
been
implicated
abiotic
stress
responses,
affecting
tolerance.
RNA
sequencing
revealed
downstream
involved
isoflavone,
flavonoid,
phenylalanine
metabolism,
especially
key
chalcone
synthase
genes,
CHS7
CHS8
.
Moreover,
was
shown
be
tightly
associated
GmCHS7
GmCHS8
expressions,
potentially
regulating
them
directly.
Yeast
two‐hybrid
screening
identified
interacting
proteins
crucial
for
synthesis
physiologically
active
substances
responses.
results
increase
regulatory
mechanisms
establish
molecular
network
involving
offering
novel
strategies
improving
quality
stress‐tolerant
breeding.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 15, 2025
Adventitious
root
(AR)
formation
is
a
bottleneck
for
vegetative
proliferation.
In
this
study,
13
AHP
genes
(MdAHPs)
were
identified
in
the
apple
genome.
Phylogenetic
analysis
grouped
them
into
3
clusters
(I,
II,
III),
with
4,
and
5
respectively.
The
MdAHPs
family
members
named
MdAHP1
to
MdAHP13
by
chromosome
positions.
physicochemical
properties,
phylogenetic
relationship,
motifs,
elements
of
their
proteins
also
analyzed.
amino
acid
quantity
varied
from
60~189
aa,
isoelectric
point
lay
between
4.10
8.93,
there
3~7
protein-conserving
motifs.
Excluding
MdAHP6,
other
members'
promoter
sequences
behaved
2-4
CTK
response
elements.
Additionally,
expression
characteristics
at
key
stages
AR
different
tissues
examined
exogenous
6-BA
Lov
treatments.
results
showed
that
MdAHP3
might
be
member
formation.
GUS
staining
indicated
activity
was
significantly
enhanced
treatment.
protein
interactions
MdAHP3/MdAHP1
MdAHP3/MdAHP6
verified.
Compared
WT,
35S::MdAHP3
transgenic
poplars
inhibited
above
experimental
suggested
MdAHP3,
as
member,
interacts
MdAHP6
jointly
mediate
rootstocks.
Nuclear
Factor
Y
(NF-Y)
represents
a
group
of
transcription
factors
commonly
present
in
higher
eukaryotes,
typically
consisting
three
subunits:
NF-YA,
NF-YB,
and
NF-YC.
They
play
crucial
roles
the
embryonic
development,
photosynthesis,
flowering,
abiotic
stress
responses,
other
essential
processes
plants.
To
better
understand
genome-wide
NF-Y
domain-containing
proteins,
protein
physicochemical
properties,
chromosomal
localization,
synteny,
phylogenetic
relationships,
genomic
structure,
promoter
cis-elements,
interaction
network
NtNF-Ys
tobacco
(Nicotiana
tabacum
L.)
were
systematically
analyzed.
In
this
study,
we
identified
58
tobacco,
respectively,
divided
into
subfamilies
corresponding
to
their
relationships.
Their
tissue
specificity
expression
pattern
analyses
for
leaf
drought
saline-alkali
stress,
ABA
response
carried
out
using
RNA-seq
or
qRT-PCR.
These
findings
illuminate
role
regulating
plant
tolerance,
response.
This
study
offers
new
insights
enhance
our
understanding
identify
potential
genes
involved
as
well
tolerance
Functional Plant Biology,
Journal Year:
2025,
Volume and Issue:
52(4)
Published: March 26, 2025
The
nuclear
factor-Y
(NF-Y)
transcription
factor,
also
known
as
heme-activator
protein
(HAP)
or
CCAAT-binding
factor
(CBF),
is
a
critical
widely
present
in
eukaryotes.
number
of
NF-Y
subunits
has
significantly
increased
higher
plants
compared
to
animals
and
fungi.
complex
composed
three
subunits:
(1)
NF-YA;
(2)
NF-YB;
(3)
NF-YC.
NF-YB
NF-YC
contain
histone
fold
domains
(HFDs),
which
can
interact
with
NF-YA
other
factors,
directly
bind
the
promoter
CCAAT
box
regulate
downstream
genes.
plays
significant
role
various
plant
processes,
including
growth
development.
This
review
elucidates
structural
functional
aspects
subunits,
identified
complexes,
their
molecular
regulatory
mechanisms.
Understanding
these
facets
provides
valuable
insights
into
advancing
crop
genetic
improvement
promoting
sustainable
agricultural
practices.