Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Sept. 22, 2023
The
role
of
de
novo
evolved
genes
from
non-coding
sequences
in
regulating
morphological
differentiation
between
species/subspecies
remains
largely
unknown.
Here,
we
show
that
a
rice
gene
GSE9
contributes
to
grain
shape
difference
indica/xian
and
japonica/geng
varieties.
evolves
previous
region
wild
Oryza
rufipogon
through
the
acquisition
start
codon.
This
is
inherited
by
most
japonica
varieties,
while
original
sequence
(absence
codon,
gse9)
present
majority
indica
Knockout
varieties
leads
slender
grains,
whereas
introgression
background
results
round
grains.
Population
evolutionary
analyses
reveal
gse9
are
derived
Or-I
Or-III
groups,
respectively.
Our
findings
uncover
genetic
divergence
subspecies,
provide
target
for
precise
manipulation
shape.
Journal of Integrative Plant Biology,
Journal Year:
2022,
Volume and Issue:
65(2), P. 444 - 467
Published: Dec. 7, 2022
Precise
replacement
of
an
allele
with
elite
controlling
important
agronomic
trait
in
a
predefined
manner
by
gene
editing
technologies
is
highly
desirable
crop
improvement.
Base
and
prime
are
two
newly
developed
precision
systems
which
can
introduce
the
substitution
single
base
install
desired
short
indels
to
target
loci
absence
double-strand
breaks
donor
repair
templates,
respectively.
Since
their
discoveries,
various
strategies
have
been
attempted
optimize
both
editor
(BE)
(PE)
order
improve
precise
efficacy,
specificity,
expand
targeting
scopes.
Here,
we
summarize
latest
development
BEs
PEs,
as
well
applications
plants.
Based
on
these
progresses,
recommend
appropriate
PEs
for
basic
plant
research
Moreover,
propose
perspectives
further
optimization
editors.
We
envision
that
will
become
routine
customized
tools
biological
improvement
near
future.
Abstract
As
a
result
of
global
warming,
plants
are
subjected
to
ever-increasing
abiotic
stresses
including
heat
and
drought.
Drought
stress
frequently
co-occurs
with
as
water
evaporation.
These
stressors
have
adverse
effects
on
crop
production,
which
in
turn
affects
human
food
security.
Rice
is
major
resource
grown
widely
crop-producing
regions
throughout
the
world.
However,
increasingly
common
drought
growth
can
negative
impacts
seedling
morphogenesis,
reproductive
organ
establishment,
overall
yield,
quality.
This
review
centers
responses
rice.
Current
knowledge
molecular
regulation
mechanisms
summarized.
We
focus
approaches
cope
stress,
both
at
genetic
level
from
an
agricultural
practice
perspective.
establishes
basis
for
improving
rice
tolerance,
grain
quality,
yield
benefit.
Genome biology,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: Dec. 19, 2023
Abstract
Background
Capturing
the
genetic
diversity
of
wild
relatives
is
crucial
for
improving
crops
because
species
are
valuable
sources
agronomic
traits
that
essential
to
enhance
sustainability
and
adaptability
domesticated
cultivars.
Genetic
across
a
genus
can
be
captured
in
super-pangenomes,
which
provide
framework
interpreting
genomic
variations.
Results
Here
we
report
sequencing,
assembly,
annotation
nine
North
American
grape
genomes,
phased
scaffolded
at
chromosome
scale.
We
generate
reference-unbiased
super-pangenome
using
pairwise
whole-genome
alignment
methods,
revealing
extent
among
from
sequence
gene
level.
The
pangenome
graph
captures
variation
between
haplotypes
within
different
species,
it
accurately
assesses
similarity
hybrids
their
parents.
selected
build
great
representation
genus,
as
illustrated
by
capturing
known
allelic
variants
sex-determining
region
Pierce’s
disease
resistance
loci.
Using
pangenome-wide
association
analysis,
demonstrate
utility
effectively
mapping
short
reads
genus-wide
samples
identifying
loci
associated
with
salt
tolerance
natural
populations
grapes.
Conclusions
This
study
highlights
how
reveal
basis
adaptive
accelerate
crop
breeding
research.
The Crop Journal,
Journal Year:
2023,
Volume and Issue:
11(5), P. 1287 - 1302
Published: July 5, 2023
Increasing
tiller
number
is
a
target
of
high-yield
rice
breeding.
Identification
tiller-defect
mutants
and
their
corresponding
genes
helpful
for
clarifying
the
molecular
mechanism
tillering.
Summarizing
research
progress
on
two
processes
formation,
namely
formation
growth
axillary
meristem,
this
paper
reviews
effects
genetic
factors,
endogenous
hormones,
exogenous
environment
tillering,
finding
that
multiple
mechanisms
signal
pathways
regulating
tillering
cooperate
discusses
future
objectives
application
its
regulatory
mechanism.
Elucidation
theis
will
be
breeding
high-yielding
cultivars
with
ideal
plant
type
via
design
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Sept. 22, 2023
The
role
of
de
novo
evolved
genes
from
non-coding
sequences
in
regulating
morphological
differentiation
between
species/subspecies
remains
largely
unknown.
Here,
we
show
that
a
rice
gene
GSE9
contributes
to
grain
shape
difference
indica/xian
and
japonica/geng
varieties.
evolves
previous
region
wild
Oryza
rufipogon
through
the
acquisition
start
codon.
This
is
inherited
by
most
japonica
varieties,
while
original
sequence
(absence
codon,
gse9)
present
majority
indica
Knockout
varieties
leads
slender
grains,
whereas
introgression
background
results
round
grains.
Population
evolutionary
analyses
reveal
gse9
are
derived
Or-I
Or-III
groups,
respectively.
Our
findings
uncover
genetic
divergence
subspecies,
provide
target
for
precise
manipulation
shape.
