Journal of genetics and genomics/Journal of Genetics and Genomics,
Год журнала:
2023,
Номер
50(11), С. 846 - 860
Опубликована: Авг. 21, 2023
Bread
wheat
provides
an
essential
fraction
of
the
daily
calorific
intake
for
humanity.
Due
to
its
huge
and
complex
genome,
progresses
in
studying
on
genome
are
substantially
trailed
behind
those
other
two
major
crops,
rice
maize,
at
least
a
decade.
With
rapid
advances
assembling
reduced
cost
high-throughput
sequencing,
emerging
de
novo
assemblies
whole-genome
sequencing
data
leading
paradigm
shift
research.
Here,
we
review
recent
progress
dissecting
germplasm
evolution
since
release
first
high-quality
genome.
New
insights
have
been
gained
during
domestication
modern
breeding
progress,
genomic
variations
multiple
scales
contributing
diversity
germplasm,
transcriptional
epigenetic
regulations
functional
genes
polyploid
wheat.
Genomics
databases
bioinformatics
tools
meeting
urgent
needs
genomics
research
also
summarized.
The
ever-increasing
omics
data,
along
with
advanced
well-structured
databases,
expected
accelerate
deciphering
gene
resources
future
advances.
Annals of Botany,
Год журнала:
2023,
Номер
131(3), С. 503 - 519
Опубликована: Янв. 19, 2023
Abstract
Background
and
Aims
Physiological
morphological
traits
play
essential
roles
in
wheat
(Triticum
aestivum)
growth
development.
In
particular,
photosynthesis
is
a
limitation
to
yield.
Increasing
has
been
identified
as
an
important
strategy
increase
However,
the
genotypic
variations
genomic
regions
governing
morphological,
architectural
remain
unexplored.
Methods
Here,
we
conducted
large-scale
investigation
of
phenological,
physiological,
plant
yield-related
traits,
involving
32
for
166
lines
during
2018–2020
four
environments,
performed
genome-wide
association
study
with
90K
660K
single
nucleotide
polymorphism
(SNP)
arrays.
Key
Results
These
exhibited
considerable
diversity
panel.
Higher
yield
was
associated
higher
net
photosynthetic
rate
(r
=
0.41,
P
<
0.01),
thousand-grain
weight
0.36,
0.01)
truncated
lanceolate
shape,
but
shorter
height
−0.63,
flag
leaf
angle
−0.49,
spike
number
per
square
metre
−0.22,
0.01).
Genome-wide
mapping
discovered
1236
significant
stable
loci
detected
environments
among
using
SNP
markers.
Trait
values
have
cumulative
effect
favourable
alleles
increases,
progress
made
determining
phenotypic
over
years.
Eleven
elite
cultivars
14
grain
plot
(GY)
were
potential
parental
target
develop
high-yielding
cultivars.
Conclusions
This
provides
new
insights
into
genetic
elucidation
physiological
their
associations
GY,
paving
way
discovering
underlying
gene
control
developing
enhanced
ideotypes
breeding.
aBIOTECH,
Год журнала:
2023,
Номер
4(1), С. 8 - 19
Опубликована: Фев. 10, 2023
Development
of
wheat
(Triticum
aestivum
L.)
grain
mainly
depends
on
the
processes
starch
synthesis
and
storage
protein
accumulation,
which
are
critical
for
yield
quality.
However,
regulatory
network
underlying
transcriptional
physiological
changes
development
is
still
not
clear.
Here,
we
combined
ATAC-seq
RNA-seq
to
discover
chromatin
accessibility
gene
expression
dynamics
during
these
processes.
We
found
that
tightly
associated
with
differential
transcriptomic
expressions,
proportion
distal
ACRs
was
increased
gradually
development.
Specific
transcription
factor
(TF)
binding
sites
were
enriched
at
different
stages
diversified
among
3
subgenomes.
further
predicted
potential
interactions
between
key
TFs
genes
related
biosynthesis
copies
some
played
roles.
Overall,
our
findings
have
provided
numerous
resources
illustrated
development,
would
shed
light
improvement
yields
qualities.The
online
version
contains
supplementary
material
available
10.1007/s42994-023-00095-8.
Plant Biotechnology Journal,
Год журнала:
2023,
Номер
22(1), С. 200 - 215
Опубликована: Сен. 26, 2023
Summary
Grain
size
is
one
of
the
important
traits
in
wheat
breeding
programs
aimed
at
improving
yield,
and
cytokinins,
mainly
involved
cell
division,
have
a
positive
impact
on
grain
size.
Here,
we
identified
novel
gene
TaMADS‐GS
encoding
type
I
MADS‐box
transcription
factor,
which
regulates
cytokinins
signalling
pathway
during
early
stages
development
to
modulate
weight
wheat.
exclusively
expressed
grains
stage
seed
its
knockout
leads
delayed
endosperm
cellularization,
smaller
lower
weight.
protein
interacts
with
Polycomb
Repressive
Complex
2
(PRC2)
repression
genes
cytokinin
oxidase/dehydrogenases
(CKXs)
stimulating
inactivation
by
mediating
accumulation
histone
H3
trimethylation
lysine
27
(H3K27me3).
Through
screening
large
germplasm
collection,
an
elite
allele
exhibits
higher
ability
repress
expression
inactivating
correlation
weight,
thus
representing
marker
for
Overall,
these
findings
support
relevance
as
key
regulator
Journal of genetics and genomics/Journal of Genetics and Genomics,
Год журнала:
2023,
Номер
50(11), С. 846 - 860
Опубликована: Авг. 21, 2023
Bread
wheat
provides
an
essential
fraction
of
the
daily
calorific
intake
for
humanity.
Due
to
its
huge
and
complex
genome,
progresses
in
studying
on
genome
are
substantially
trailed
behind
those
other
two
major
crops,
rice
maize,
at
least
a
decade.
With
rapid
advances
assembling
reduced
cost
high-throughput
sequencing,
emerging
de
novo
assemblies
whole-genome
sequencing
data
leading
paradigm
shift
research.
Here,
we
review
recent
progress
dissecting
germplasm
evolution
since
release
first
high-quality
genome.
New
insights
have
been
gained
during
domestication
modern
breeding
progress,
genomic
variations
multiple
scales
contributing
diversity
germplasm,
transcriptional
epigenetic
regulations
functional
genes
polyploid
wheat.
Genomics
databases
bioinformatics
tools
meeting
urgent
needs
genomics
research
also
summarized.
The
ever-increasing
omics
data,
along
with
advanced
well-structured
databases,
expected
accelerate
deciphering
gene
resources
future
advances.
