Plant Cell & Environment,
Journal Year:
2021,
Volume and Issue:
44(7), P. 2006 - 2017
Published: Feb. 2, 2021
Abstract
Global
warming
poses
major
challenges
for
plant
survival
and
agricultural
productivity.
Thus,
efforts
to
enhance
stress
resilience
in
plants
are
key
strategies
protecting
food
security.
Gene
regulatory
networks
(GRNs)
a
critical
mechanism
conferring
resilience.
Until
recently,
predicting
GRNs
of
the
individual
cells
that
make
up
other
multicellular
organisms
was
impeded
by
aggregate
population
scale
measurements
transcriptome
genome‐scale
features.
With
advancement
high‐throughput
single
cell
RNA‐seq
assays,
learning
is
now
possible,
principle.
In
this
article,
we
report
on
recent
advances
experimental
analytical
methodologies
sequencing
assays
especially
as
they
have
been
applied
study
plants.
We
highlight
ongoing
scGRN
prediction,
finally,
opportunity
use
discovery
studying
ultimately
enhancing
abiotic
Developmental Cell,
Journal Year:
2022,
Volume and Issue:
57(4), P. 543 - 560.e9
Published: Feb. 1, 2022
In
all
multicellular
organisms,
transcriptional
networks
orchestrate
organ
development.
The
Arabidopsis
root,
with
its
simple
structure
and
indeterminate
growth,
is
an
ideal
model
for
investigating
the
spatiotemporal
signatures
underlying
developmental
trajectories.
To
map
gene
expression
dynamics
across
root
cell
types
time,
we
built
a
comprehensive,
organ-scale
atlas
at
single-cell
resolution.
addition
to
estimating
progressions
in
pseudotime,
employed
mathematical
concept
of
optimal
transport
infer
trajectories
identify
their
regulators.
demonstrate
utility
interpret
new
datasets,
profiled
mutants
two
key
regulators
resolution,
shortroot
scarecrow.
We
report
transcriptomic
vivo
evidence
tissue
trans-differentiation
mixed
identity
phenotype
Our
results
support
as
rich
community
resource
unraveling
programs
that
specify
maintain
regulate
The Plant Cell,
Journal Year:
2021,
Volume and Issue:
34(2), P. 718 - 741
Published: Nov. 18, 2021
The
identification
and
characterization
of
cis-regulatory
DNA
sequences
how
they
function
to
coordinate
responses
developmental
environmental
cues
is
paramount
importance
plant
biology.
Key
these
regulatory
processes
are
modules
(CRMs),
which
include
enhancers
silencers.
Despite
the
extraordinary
advances
in
high-quality
sequence
assemblies
genome
annotations,
understanding
CRMs,
regulate
gene
expression,
lag
significantly
behind.
This
especially
true
for
their
distinguishing
characteristics
activity
states.
Here,
we
review
current
knowledge
on
CRMs
breakthrough
technologies
enabling
identification,
characterization,
validation
CRMs;
compare
genomic
distributions
with
respect
target
genes
between
different
species,
discuss
role
transposable
elements
harboring
evolution
expression.
an
exciting
time
study
cis-regulomes
plants;
however,
significant
existing
challenges
need
be
overcome
fully
understand
appreciate
biology
crop
improvement.
Annual Review of Plant Biology,
Journal Year:
2021,
Volume and Issue:
72(1), P. 847 - 866
Published: March 17, 2021
Single-cell
approaches
are
quickly
changing
our
view
on
biological
systems
by
increasing
the
spatiotemporal
resolution
of
analyses
to
level
individual
cell.
The
field
plant
biology
has
fully
embraced
single-cell
transcriptomics
and
is
rapidly
expanding
portfolio
available
technologies
applications.
In
this
review,
we
give
an
overview
main
advances
in
over
past
few
years
provide
reader
with
accessible
guideline
covering
all
steps,
from
sample
preparation
data
analysis.
We
end
offering
a
glimpse
how
these
will
shape
accelerate
plant-specific
research
near
future.
Annual Review of Plant Biology,
Journal Year:
2023,
Volume and Issue:
74(1), P. 111 - 137
Published: Jan. 6, 2023
Regulatory
elements
encode
the
genomic
blueprints
that
ensure
proper
spatiotemporal
patterning
of
gene
expression
necessary
for
appropriate
development
and
responses
to
environment.
Accumulating
evidence
implicates
changes
as
a
major
source
phenotypic
novelty
in
eukaryotes,
including
acute
phenotypes
such
disease
cancer
mammals.
Moreover,
genetic
epigenetic
variation
affecting
Molecular Plant,
Journal Year:
2023,
Volume and Issue:
16(4), P. 694 - 708
Published: Feb. 10, 2023
Comprehensive
utilization
of
cottonseeds
is
limited
by
the
presence
pigment
glands
and
its
inclusion
gossypol.
The
ideal
cotton
has
glandless
seeds
but
a
glanded
plant,
trait
found
in
only
few
Australian
wild
species,
including
Gossypium
bickii.
Introgression
this
into
cultivated
species
proved
to
be
difficult.
Understanding
biological
processes
toward
gland
morphogenesis
associated
underlying
molecular
mechanisms
will
facilitate
breeding
varieties
with
plant.
In
study,
single-cell
RNA
sequencing
(scRNA-seq)
was
performed
on
12
222
protoplasts
isolated
from
cotyledons
germinating
G.
bickii
48
h
after
imbibition.
Clustered
14
distinct
clusters
unsupervisedly,
these
cells
could
grouped
eight
cell
populations
assistance
known
marker
genes.
were
well
separated
others
parenchyma
cells,
secretory
apoptotic
cells.
By
integrating
developmental
trajectory,
transcription
factor
regulatory
networks,
core
functional
validation,
we
established
model
for
formation.
model,
light
gibberellin
verified
promote
formation
glands.
addition,
three
novel
genes,
GbiERF114
(ETHYLENE
RESPONSE
FACTOR
114),
GbiZAT11
(ZINC
FINGER
OF
ARABIDOPSIS
THALIANA
11),
GbiNTL9
(NAC
TRANSCRIPTION
FACTOR-LIKE
9),
affect
Collectively,
findings
provide
new
insights
lay
cornerstone
future
scRNA-seq
investigations.
Alternation
between
morphologically
distinct
haploid
and
diploid
life
forms
is
a
defining
feature
of
most
plant
algal
cycles,
yet
the
underlying
molecular
mechanisms
that
govern
these
transitions
remain
unclear.
Here,
we
explore
dynamic
relationship
chromatin
accessibility
epigenetic
modifications
during
form
in
Arabidopsis.
The
diploid-to-haploid
transition
governed
by
loss
H3K9me2
DNA
demethylation
transposon-associated
cis
-regulatory
elements.
This
event
associated
with
dramatic
changes
transcriptional
reprogramming.
In
contrast,
global
H3K27me3
shapes
landscape
poised
to
re-initiate
back
after
fertilisation.
Hence,
reprogramming
events
rewire
transcription
through
major
reorganisation
regulatory
epigenome
guide
alternation
generations
flowering
plants.