Plants,
Год журнала:
2024,
Номер
13(12), С. 1620 - 1620
Опубликована: Июнь 12, 2024
Lateral
roots
(LRs)
receive
signals
from
the
inter-root
environment
and
absorb
water
nutrients
soil.
Auxin
regulates
LR
formation,
but
mechanism
in
tomato
remains
largely
unknown.
In
this
study,
'Ailsa
Craig'
LRs
appeared
on
third
day
were
unevenly
distributed
primary
roots.
According
to
location
of
occurrence,
divided
into
three
equal
parts:
shootward
part
root
(RB),
middle
(RM),
tip
(RT).
Transverse
sections
days
1
6
revealed
that
number
RB
cells
diameter
significantly
increased
compared
with
RM
RT.
Using
3,
we
carried
out
transcriptome
sequencing
analysis.
Identified
genes
classified
16
co-expression
clusters
based
K-means,
four
associated
highly
expressed
RB.
These
(3,
5,
8,
16)
enriched
cellulose
metabolism,
microtubule,
peptide
metabolism
pathways,
all
closely
related
development.
The
contain
numerous
transcription
factors
linked
development
including
Agronomy,
Год журнала:
2025,
Номер
15(3), С. 719 - 719
Опубликована: Март 16, 2025
As
an
endogenous
hormone,
auxin
plays
a
crucial
role
in
regulating
plants’
growth
and
development,
also
the
responses
to
abiotic
stresses.
However,
effects
mechanism
of
its
inhibitors
on
plant
mineral
nutrient
absorption
citrus
have
not
been
thoroughly
studied.
Therefore,
we
used
trifoliate
orange
(citrus’s
rootstock,
Poncirus
trifoliata)
as
experimental
material
supplement
research
content
this
area.
The
seedlings
were
treated
with
exogenous
(indolebutyric
acid,
IBA)
inhibitor
(2-naphthoxyacetic
2-NOA)
sand
culture
system.
results
showed
that
compared
control,
(1.0
µmol
L−1
significantly
enhanced
taproot
length,
lateral
root
number
by
17.56%,
123.07%,
88.89%,
respectively,
while
markedly
elevating
levels
nitrogen
(N),
phosphorus
(P),
potassium
(K),
copper
(Cu),
zinc
(Zn)
14.29%,
45.61%,
23.28%,
42.86%,
59.80%,
respectively.
Again
(50.0
dramatically
reduced
21.37%,
10.25%,
43.33%,
decreasing
N,
magnesium
(Mg),
iron
(Fe),
Cu,
Zn
7.94%,
10.42%,
24.65%,
39.25%,
18.76%,
Furthermore,
IBA
increased
accumulation
hair,
stele,
epidermal
tissues
taproots,
promoted
up-regulation
synthesis
genes
(TAR2,
YUC3,
YUC4,
YUC6,
YUC8)
transport
(ABCB1,
ABCB19,
AUX1,
LAX1,
LAX2,
PIN1,
PIN3,
PIN4).
In
contrast,
2-NOA
decreased
was
involved
down-regulation
YUC6)
LAX3,
PIN3).
Interestingly,
elevated
level
specifically
tip
taproot.
disrupts
reflux
from
hair
through
genes,
thereby
creating
localized
(i.e.,
zone
tissues)
deficiencies
compromise
system
architecture
acquisition
capacity.
According
study,
analogs
could
regulate
pathways.
Agronomy,
Год журнала:
2025,
Номер
15(4), С. 784 - 784
Опубликована: Март 23, 2025
The
application
of
an
environmentally
friendly
plant
growth
regulator
to
regulate
and
development
represents
a
promising
strategy
for
sustainable
agriculture.
Thymol
is
kind
plant-derived
natural
compound.
We
have
found
that
thymol
potential
biostimulant
with
the
capability
trigger
defense
against
abiotic
stresses.
Little
known
about
whether
how
modulates
root
system
architecture.
In
this
study,
physiological,
histochemical,
molecular
approaches
were
applied
identify
role
in
promoting
lateral
watermelon
seedlings.
significantly
promoted
LRP
(lateral
primordia)
initiation
formation.
Rboh
(respiratory
burst
oxidase
homolog)-dependent
reactive
oxygen
species
(ROS)
generation
was
involved
thymol-promoted
from
LRP.
Then,
gene
family
nine
members
(ClRboh1–ClRboh9)
identified
genome.
induced
expression
set
ClRbohs
roots.
These
results
suggested
able
stimulate
formation
by
triggering
Rboh-dependent
ROS
production.
findings
may
help
understand
biological
function
as
elicitor
both
fundamental
study.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Апрель 28, 2025
Plants
function
as
an
integrated
system
of
interconnected
organs,
with
shoots
and
roots
mutually
influencing
each
other.
Brassinosteroid
(BR)
signaling
is
essential
for
whole-plant
growth,
yet
the
relative
importance
shoot
versus
root
BR
in
shaping
architecture
(RSA)
remains
unclear.
Here,
we
directly
tackle
this
question
using
micro-grafts
between
wild-type
BR-null
mutants
both
Arabidopsis
tomato,
assisted
by
phenotyping,
transcriptomics,
metabolic
profiling,
transmission
electron
microscopy,
modeling
approaches.
These
analyses
demonstrate
that
BR,
determining
carbon
availability,
allows
a
full
rescue
mutant
biomass,
while
loss
attenuates
growth.
In
parallel,
dictates
spatial
distribution
along
root,
through
local
regulation
growth
anisotropy
cell
wall
thickness,
morphology.
A
newly
developed
"grow
branch"
simulation
model
demonstrates
these
shoot-
root-derived
effects
are
sufficient
to
explain
predict
dynamics
branching
phenotype
wild-type,
BR-deficient
mutants,
micro-graft
combinations.
Our
interdisciplinary
approach,
applied
two
plant
species
integrating
hormonal
functions,
provides
new
understanding
how
RSA
modulated
at
various
scales.
Plants,
Год журнала:
2024,
Номер
13(12), С. 1620 - 1620
Опубликована: Июнь 12, 2024
Lateral
roots
(LRs)
receive
signals
from
the
inter-root
environment
and
absorb
water
nutrients
soil.
Auxin
regulates
LR
formation,
but
mechanism
in
tomato
remains
largely
unknown.
In
this
study,
'Ailsa
Craig'
LRs
appeared
on
third
day
were
unevenly
distributed
primary
roots.
According
to
location
of
occurrence,
divided
into
three
equal
parts:
shootward
part
root
(RB),
middle
(RM),
tip
(RT).
Transverse
sections
days
1
6
revealed
that
number
RB
cells
diameter
significantly
increased
compared
with
RM
RT.
Using
3,
we
carried
out
transcriptome
sequencing
analysis.
Identified
genes
classified
16
co-expression
clusters
based
K-means,
four
associated
highly
expressed
RB.
These
(3,
5,
8,
16)
enriched
cellulose
metabolism,
microtubule,
peptide
metabolism
pathways,
all
closely
related
development.
The
contain
numerous
transcription
factors
linked
development
including
