Physiologia Plantarum,
Год журнала:
2025,
Номер
177(3)
Опубликована: Май 1, 2025
ABSTRACT
Root
branching
and
lateral
root
formation
aided
successful
colonization
of
land
plants
in
terrestrial
ecosystems,
eventually
resulting
the
origin
an
adaptive
trait
called
nodulation
specific
plant
lineages.
Nodule
formations
involve
de
novo
organogenesis,
which
is
induced
post‐embryonically
with
coordinated
steps
cell
division
differentiation.
There
are
substantial
resemblances
between
initiation
nodule
root,
including
types
lineages
that
acquire
mitotic
competence
to
induce
new
organ
pattern
formative
within
incipient
primordia,
both
converging
on
a
localized
auxin
response.
The
recruitment
genetic
modules
developmental
pathways
during
organogenesis
corroborates
their
evolutionary
as
modified
roots.
However,
such
likely
be
regulated
differentially
depending
acquisition
nodulation‐specific
adaptations
ensure
novelty
organogenesis.
Despite
commonalities,
these
two
organs
have
differential
morphology,
vascular
organizations,
functions
due
different
identities,
suggesting
involvement
distinct
differentiation
maturation
organs.
current
review
provides
consolidated
idea
recent
advances
development
its
resemblance
formation,
emphasizing
shared
unique
regulators
involved
from
inception
maturation.
Cold Spring Harbor Perspectives in Biology,
Год журнала:
2021,
Номер
unknown, С. a039933 - a039933
Опубликована: Июль 26, 2021
Suruchi
Roychoudhry
and
Stefan
Kepinski
Centre
for
Plant
Sciences,
Faculty
of
Biological
University
Leeds,
Leeds
LS2
9JT,
United
Kingdom
Correspondence:
s.roychoudhry{at}leeds.ac.uk;
s.kepinski{at}leeds.ac.uk
Molecular Plant,
Год журнала:
2021,
Номер
14(8), С. 1362 - 1378
Опубликована: Май 29, 2021
Postembryonic
organogenesis
is
critical
for
plant
development.
Underground,
lateral
roots
(LRs)
form
the
bulk
of
mature
root
systems,
yet
ontogeny
LR
primordium
(LRP)
not
clear.
In
this
study,
we
performed
single-cell
RNA
sequencing
through
first
four
stages
formation
in
Arabidopsis.
Our
analysis
led
to
a
model
which
single
group
precursor
cells,
with
cell
identity
different
from
their
pericycle
origins,
rapidly
reprograms
and
splits
into
mixed
ground
tissue/stem
niche
fate
vascular
fate.
The
tissue
stem
fates
soon
separate
subset
more
specialized
cells
sucrose
transporting
phloem
that
appear
connect
primary
root.
We
did
detect
resembling
epidermis
or
cap,
suggesting
outer
tissues
may
later,
preceding
emergence.
At
stage,
some
remaining
initial
flanks,
while
rest
create
reservoir
pluripotent
are
able
replace
if
damaged.
Laser
ablation
central
LRP
regions
showed
restart
sequence
initiation
LR.
Collectively,
our
study
reveals
an
ontological
hierarchy
early
sequential
split
main
cells.
Journal of Experimental Botany,
Год журнала:
2023,
Номер
74(14), С. 3887 - 3902
Опубликована: Апрель 12, 2023
Abstract
As
auxin
is
a
major
regulator
of
plant
development,
studying
the
signaling
mechanisms
by
which
influences
cellular
activities
primary
importance.
In
this
review,
we
describe
current
knowledge
on
different
modalities
signaling,
from
well-characterized
canonical
nuclear
pathway,
to
more
recently
discovered
or
re-discovered
non-canonical
modes
signaling.
particular,
discuss
how
both
modularity
pathway
and
dynamic
regulation
its
core
components
allow
specific
transcriptomic
responses
be
triggered.
We
highlight
fact
that
diversity
allows
for
wide
range
time
scales
responses,
second-scale
cytoplasmic
minute-/hour-scale
modifications
gene
expression.
Finally,
question
extent
temporality
contributes
development
in
shoot
root
meristems.
conclude
stressing
future
investigations
should
an
integrative
view
built
not
only
spatial
control,
but
also
auxin-mediated
cell
whole
organism.
Nucleic Acids Research,
Год журнала:
2023,
Номер
51(15), С. 7798 - 7819
Опубликована: Июнь 23, 2023
Seeds
are
a
vital
source
of
calories
for
humans
and
unique
stage
in
the
life
cycle
flowering
plants.
During
seed
germination,
embryo
undergoes
major
developmental
transitions
to
become
seedling.
Studying
gene
expression
individual
cell
types
has
been
challenging
due
lack
spatial
information
or
low
throughput
existing
methods.
To
overcome
these
limitations,
transcriptomics
workflow
was
developed
germinating
barley
grain.
This
approach
enabled
high-throughput
analysis
expression,
revealing
specific
patterns
various
functional
categories
at
sub-tissue
level.
study
revealed
over
14
000
genes
differentially
regulated
during
first
24
h
after
imbibition.
Individual
genes,
such
as
aquaporin
family,
starch
degradation,
wall
modification,
transport
processes,
ribosomal
proteins
transcription
factors,
were
found
have
time.
Using
autocorrelation
algorithms,
we
identified
auxin
that
had
increasingly
focused
within
subdomains
time,
suggesting
their
role
establishing
axis.
Overall,
our
provides
an
unprecedented
spatially
resolved
cellular
map
germination
identifies
genomics
targets
better
understand
restricted
processes
germination.
The
data
can
be
viewed
https://spatial.latrobe.edu.au/.
Journal of Integrative Plant Biology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 29, 2025
Lateral
roots
(LRs),
are
an
important
component
of
plant
roots,
playing
a
crucial
role
in
anchoring
the
soil
and
facilitating
uptake
water
nutrients.
As
post-embryonic
organs,
LRs
originate
from
pericycle
cells
primary
root,
their
formation
is
characterized
by
precise
regulation
cell
division
complex
intercellular
interactions,
both
which
closely
tied
to
wall
regulation.
Considering
rapid
advances
molecular
techniques
over
past
three
decades,
we
reframe
understanding
dynamic
change
during
LR
development
summarizing
factors
that
precipitate
these
changes
effects,
as
well
regulated
signals
involved.
Additionally,
discuss
current
challenges
this
field
propose
potential
solutions.
Plant Cell & Environment,
Год журнала:
2022,
Номер
45(3), С. 602 - 619
Опубликована: Янв. 29, 2022
Abstract
Well‐adapted
root
systems
allow
plants
to
grow
under
resource‐limiting
environmental
conditions
and
are
important
determinants
of
yield
in
agricultural
systems.
Important
staple
crops
such
as
rice
maize
belong
the
family
grasses,
which
develop
a
complex
system
that
consists
an
embryonic
emerges
from
seed,
postembryonic
nodal
basal
regions
shoot
after
germination.
While
early
seedling
establishment
is
dependent
on
system,
its
associated
branches,
gains
importance
plant
matures
will
ultimately
constitute
bulk
below‐ground
growth.
In
this
review,
we
aim
give
overview
different
types
cereal
grass
systems,
explore
physiological
roles
they
play
by
defining
their
anatomical
features,
outline
genetic
networks
control
development.
Through
deconstructed
view
function,
provide
parts‐list
elements
function
together
integrated
promote
survival
crop
productivity.
