PagSND1‐B1 Regulates Wood Formation by Influencing Phosphorus Absorption and Distribution in Poplar
Plant Cell & Environment,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
ABSTRACT
In
natural
environments,
the
growth
and
development
of
trees
are
continuously
affected
by
phosphorus
(P)
starvation
stress.
However,
mechanisms
through
which
balance
stem
P
distribution
remain
unknown.
This
study
found
that
in
woody
model
species
poplar,
loss
stems
is
more
severe
than
roots
leaves
under
conditions,
thereby
inhibiting
reducing
expression
numerous
genes
related
to
wood
formation,
including
PagSND1‐B1
.
Intriguingly,
overexpression
poplar
enhances
resistance
promotes
xylem
development.
Further
analysis
demonstrated
can
directly
positively
regulate
transporter
PagPHT1;5a
Analysis
content
changes
leaves,
transgenic
before
after
treatment
indicated
disrupts
normal
redistribution
procedure,
leading
increased
accumulation
stems,
beneficial
for
Therefore,
participates
absorption
homoeostasis
modulating
provides
valuable
insights
into
regulatory
function
formation
process
Язык: Английский
Forest Tree Breeding Under the Global Environmental Change: Challenges and Opportunities
Trees Forests and People,
Год журнала:
2025,
Номер
20, С. 100867 - 100867
Опубликована: Апрель 23, 2025
Язык: Английский
Bioengineered poplar fibres via PagGLR2.8 editing: A synergistic design for high‐performance biocomposites
Plant Biotechnology Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 29, 2025
Summary
The
urgent
need
to
replace
petroleum‐derived
materials
with
sustainable
alternatives
drives
innovation
at
the
nexus
of
plant
biotechnology
and
science.
Here,
we
engineered
Populus
alba
×
P.
glandulosa
‘84
K’
through
CRISPR‐Cas9‐mediated
knockout
PagGLR2.8
,
a
glutamate
receptor
gene
regulating
vascular
development,
investigate
its
role
in
fibre
biosynthesis
composite
performance.
Knockout
improved
quality
poplar
by
altering
structure
development
mode
tissue.
Our
study
established
relationship
between
quantity
performance
polylactic
acid
(PLA)
composites.
mechanical
fire‐resistance
properties
these
transgenic
fibres/PLA
composites
significantly
outperformed
those
pure
PLA,
demonstrating
potential
phloem
fibres
reinforce
toughened
Notably,
also
evaluated
flammability
dripping
behaviours,
findings
indicating
that
our
optimised
fibre/PLA
exhibit
superior
strengths,
modulus,
fire
resistance,
anti‐dripping,
surpassing
PLA.
This
research
unveils
groundbreaking
approach
genetic
manipulation
highlights
promising
plant‐derived
enriching
forest
resources
advancing
utilisation
polymers.
Язык: Английский
Success and limitations in adaptation of Fast-TrACC tissue culture-independent transformation in coffee, cotton, and tree tobacco
PLoS ONE,
Год журнала:
2025,
Номер
20(5), С. e0318324 - e0318324
Опубликована: Май 15, 2025
Plant
transformation
is
a
critical
process
for
generating
transgenic
and
genome-edited
plants
use
in
research
agriculture.
For
most
plant
species,
this
has
traditionally
involved
genomic
insertion
of
DNA
tissue
culture
regeneration
transformed
through
hormonal
induction.
Recently,
methods
culture-independent
manner,
the
expression
growth
regulators,
have
been
published.
We
attempted
to
adapt
promising
approach
three
woody
coffee
(
Coffea
arabica
),
cotton
Gossypium
hirsutum
tree
tobacco
Nicotiana
glauca
using
combination
Agrobacterium
strains,
plasmid
systems,
different
promoters
driving
ZmWUS2
AtIPT
,
which
were
originally
adapted
purpose
benthamiana
.
found
that
was
amenable
but
had
difficulty
developing
seeds.
Coffee
not
receptive
method,
callus
formation
did
exhibit
gene
insertions
newly-formed
shoots.
These
limitations
are
partially
technical,
such
as
maize
WUS
affecting
similarly
other
plants,
part
fundamental
setbacks
regulators
drive
transformation.
suggest
how
these
drawbacks
can
be
overcome
future
inducible
or
tissue-specific
means.
Язык: Английский
Efficient In Vitro Propagation of Turpinia arguta and Quantitative Analysis of Its Ligustroflavone and Rhoifolin Content
Horticulturae,
Год журнала:
2024,
Номер
10(6), С. 587 - 587
Опубликована: Июнь 4, 2024
Turpinia
arguta
is
an
excellent
medicinal
plant
mainly
used
for
the
treatment
of
pharyngitis,
tonsillitis,
and
tonsillar
abscesses.
However,
efficient
regeneration
protocol
using
tissue
cultures
T.
does
not
exist.
Its
main
constituents
are
flavonoids,
particularly
ligustroflavone
rhoifolin.
Here,
we
aimed
to
establish
a
culture
system
first
time
annual
stem
segments
with
axillary
buds
harvested
from
field
Jiangxi
Academy
Forestry
as
explants
by
dynamically
determining
accumulation
effective
functional
components
in
plantlets.
Orthogonal
tests
were
conducted
compare
effects
different
explant
disinfection
times,
media,
exogenous
hormone
ratios
on
induction
bud
growth,
successional
proliferation,
rooting
segments.
The
best
effect
was
achieved
disinfecting
75%
ethanol
50
s,
followed
0.1%
mercuric
chloride
(HgCl2)
6
min,
optimal
media
proliferation
Murashige
Skoog
(MS)
+
0.2
mg/L
6-benzyladenine
(6-BA),
0.03
naphthaleneacetic
acid
(NAA),
½
MS
2.5
indole-3-butyric
0.5
NAA,
respectively.
detection
rhoifolin
plantlets
0,
3,
5
months
after
transplanting
showed
significant
increasing
trend
eventually
exceeded
content
requirements
2020
Edition
ofChinese
Pharmacopoeia
arguta.
Our
findings
provide,
time,
arguta,
thereby
providing
important
information
support
germplasm
preservation,
innovation,
application
future.
Язык: Английский
SUPERMAN Targets PHRAGMOPLAST ORIENTING KINESIN to Negatively Regulate Leaf Cell Division in Poplar
Plant Cell & Environment,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 22, 2024
Plant
organs
achieve
their
specific
size
and
shape
through
the
coordination
of
cell
division
expansion,
processes
that
are
profoundly
influenced
by
environmental
cues.
Cytokinesis
during
depends
on
position
cytokinetic
wall,
but
how
this
process
responses
to
environment
fluctuations
remains
underexplored.
Here,
we
investigated
a
regulatory
module
involving
C2H2-type
zinc
finger
protein
(C2H2-ZFP)
in
leaf
morphology
drought
stress.
A
total
123
C2H2-ZFP
members
were
identified
comparative
genome
survey
Populus
alba
×
P.
glandulosa
'84K'.
Among
them,
PagSUPa,
an
orthologous
gene
Arabidopsis
SUPERMAN,
was
selected
due
its
responsiveness
stress
further
confirmed
play
role
development.
Phenotypic
characterization
cellular
analysis
revealed
PagSUPa
fine-tunes
duration
proliferation
adaxial
epidermis,
thereby
influencing
modulating
adaxial-abaxial
polarity.
Additionally,
found
directly
suppresses
expression
PHRAGMOPLAST
ORIENTING
KINESIN1
(PagPOK1)
PagPOK2,
genes
encoding
proteins
involved
phragmoplast
orientation
position,
which
results
impaired
cytokinesis
wall
organization.
This
study
provides
novel
insights
into
network
governed
SUP
development,
specifically
relation
division.
Язык: Английский
Editorial: Tree Biology: From Genomics to Genetic Improvement
Plant Science,
Год журнала:
2024,
Номер
350, С. 112315 - 112315
Опубликована: Ноя. 10, 2024
Язык: Английский
Promoter of Vegetable Pea PsPIP2-4 Responds to Abiotic Stresses in Transgenic Tobacco
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(24), С. 13574 - 13574
Опубликована: Дек. 18, 2024
Plasma
membrane
intrinsic
proteins
(PIPs),
one
sub-family
of
aquaporins
(AQPs),
are
responsible
for
plant
abiotic
stress
responses.
However,
little
information
is
currently
available
about
the
responsiveness
PIP
promoter
in
vegetable
pea.
In
present
study,
novel
PsPIP2-4
which
shared
high
similarity
to
PIP2-type
AQPs
from
other
plants,
was
isolated.
Quantitative
real-time
PCR
(qRT-PCR)
assays
suggested
that
predominantly
expressed
leaves
and
abundantly
induced
by
treatments
(polyethylene
glycol
(PEG)
6000,
NaCl,
methyl
jasmonate
(MeJA)).
Further,
activity
verified
transgenic
tobacco
plants.
Beta-glucuronidase
(GUS)
staining
driven
confirmed
it
mainly
detected
seedlings,
especially
guard
cells.
Exposure
seedlings
various
environmental
stimuli
proved
strengthened
osmotic,
salt,
MeJA
stresses.
This
research
provides
stress-inducible
enabling
targeted
gene
expression
under
stresses
demonstrates
its
usefulness
genetic
improvement
resistance.
Язык: Английский