Crop Science,
Journal Year:
2025,
Volume and Issue:
65(1)
Published: Jan. 1, 2025
Abstract
Barley
(
Hordeum
vulgare
)
has
a
wide
range
of
seed
dormancy.
Seed
dormancy
is
crucial
trait
for
plant
survival
and
crop
production.
To
explore
genes
functions
associated
with
the
difference
in
barley
dormancy,
we
performed
differentially
expressed
gene
ontology
(GO)
enrichment
analyses
on
embryos
from
wild
accession
H602
strong
cultivated
malting
Kanto
Nakate
Gold
(KNG)
weak
reciprocal
crosses
between
two
×
KNG
H602.
RNA
was
extracted
seeds
harvested
at
physiological
maturity
dried
1
week.
We
also
assessed
expression
levels
known
quantitative
locus
linked
to
In
KNG,
417
showed
significantly
higher
than
H602,
14
GO
terms
enriched,
including
stress
response
sugar
metabolism.
Genes
involved
DNA
repair
were
enriched
highly
KNG.
198
60
development
auxin
transport.
translation
Our
findings
indicated
that
abiotic
response,
metabolism,
would
be
whereas
barley.
Plant Communications,
Journal Year:
2021,
Volume and Issue:
2(5), P. 100237 - 100237
Published: Sept. 1, 2021
Starch
is
a
vital
energy
source
for
living
organisms
and
key
raw
material
additive
in
the
food
non-food
industries.
has
received
continuous
attention
multiple
research
fields.
The
endosperm
of
cereals
(e.g.,
rice,
corn,
wheat,
barley)
most
important
site
synthesis
storage
starch.
Around
2010,
several
excellent
reviews
summarized
progress
various
fields
starch
research,
serving
as
references
subsequent
research.
In
past
10
years,
many
achievements
have
been
made
study
regulation
cereals.
present
review
provides
an
update
on
cereal
endosperms
over
decade,
focusing
new
enzymes
non-enzymatic
proteins
involved
synthesis,
regulatory
networks
use
elite
alleles
synthesis-related
genes
breeding
programs.
We
also
provide
perspectives
future
directions
that
will
further
our
understanding
biosynthesis
to
support
rational
design
ideal
quality
grain.
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(10), P. 5069 - 5069
Published: May 11, 2021
Abscisic
acid
(ABA)
is
a
key
hormone
that
promotes
dormancy
during
seed
development
on
the
mother
plant
and
after
dispersal
participates
in
control
of
release
germination
response
to
environmental
signals.
The
modulation
ABA
endogenous
levels
largely
achieved
by
fine-tuning,
different
tissues,
synthesis
cleavage
carotenoid
precursors
inactivation
8′-hydroxylation.
In
this
review,
we
provide
an
overview
current
knowledge
metabolism
developing
germinating
seeds;
notably,
how
signals
such
as
light,
temperature
nitrate
through
adjustment
levels.
A
number
regulatory
factors
have
been
recently
identified
which
functional
relationships
with
major
transcription
factors,
INSENSITIVE3
(ABI3),
ABI4
ABI5,
essential
role
increasing
importance
epigenetic
mechanisms
regulation
gene
expression
also
described.
last
section,
give
natural
variations
genes
their
effects
germination,
could
be
useful
both
future
studies
better
understand
identify
candidates
breeding
materials
for
improving
properties.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 728 - 728
Published: Jan. 16, 2025
The
Huanghuai
winter
wheat
region,
China's
primary
wheat-producing
area,
predominantly
cultivates
white-grained
wheat.
Pre-harvest
sprouting
(PHS)
significantly
impacts
yield
and
quality,
making
the
breeding
of
PHS-resistant
varieties
crucial
for
ensuring
production
security.
This
study
evaluated
PHS
rate
344
over
two
consecutive
growing
seasons
(2022/2023
2023/2024).
Furthermore,
it
analyzed
effects
allelic
variations
their
combinations
in
six
genes
(Tamyb10,
TaDFR,
TaMKK3-A,
TaGASR34,
Tasdr,
TaMFT)
on
resistance.
Results
revealed
average
rates
66.1%
64.4%
seasons,
with
coefficients
variation
39.1%
40.2%,
respectively,
a
narrow-sense
heritability
0.72.
These
findings
indicate
substantial
genetic
relatively
high
stability
within
tested
materials.
Among
molecular
markers
examined,
superior
haplotype
GS34-7Bb
exhibited
lowest
(41.9%)
demonstrating
strongest
Analysis
different
identified
advantageous
genotypes
resistance
wheat:
TaMKK3-Ab
+
Tasdr-2Aa
TaMFT-A1b
(average
rate:
20.8%)
Tasdr-2Ab
34.2%).
Notably,
distribution
frequency
haplotypes
PHS-related
these
showed
varying
degrees
decline
time.
Plants,
Journal Year:
2025,
Volume and Issue:
14(4), P. 504 - 504
Published: Feb. 7, 2025
The
TaVP1-B
gene,
located
on
the
3B
chromosome
of
wheat,
is
a
homolog
Viviparous-1
(VP-1)
gene
maize
and
was
reported
to
confer
resistance
pre-harvest
sprouting
(PHS)
in
wheat.
In
this
study,
structure
analyzed
using
wheat
pan-genome
consisting
20
released
cultivars
(19
are
from
China),
3
single
nucleotide
polymorphisms
(SNPs),
which
were
identified
at
496
bp,
524
1548
bp
CDS
region,
respectively.
Haplotypes
analysis
showed
that
these
SNPs
complete
linkage
disequilibrium
only
two
haplotypes
designated
as
hap1
(TGG)
hap2
(GAA)
present.
Association
between
PHS
four
experiment
environments
revealed
average
accessions
with
significantly
better
than
hap2,
infers
effects
resistance.
To
further
investigate
impacts
alleles
locus
resistance,
SNP
region
converted
KASP
marker,
used
for
genotyping
304
Chinese
cultivars,
whose
evaluated
three
environments.
rates
(SRs)
135
lower
169
validating
present
study
provided
breeding-friendly
marker
functional
variants
can
be
genetic
improvement
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(21), P. 11804 - 11804
Published: Oct. 30, 2021
Pre-harvest
sprouting
is
a
critical
phenomenon
involving
the
germination
of
seeds
in
mother
plant
before
harvest
under
relative
humid
conditions
and
reduced
dormancy.
As
it
results
grain
yield
quality,
common
problem
for
farmers
who
have
cultivated
rice
wheat
across
globe.
Crop
yields
need
to
be
steadily
increased
improve
people's
ability
adapt
risks
as
world's
population
grows
natural
disasters
become
more
frequent.
To
quality
avoid
pre-harvest
sprouting,
clear
understanding
crops
should
known
with
use
molecular
omics
approaches.
Meanwhile,
complicated
phenomenon,
especially
rice,
physiological,
hormonal,
genetic
changes
monitored,
which
can
modified
by
high-throughput
metabolic
engineering
techniques.
The
integration
these
data
allows
creation
tailored
breeding
lines
suitable
various
demands
regions,
crucial
increasing
crop
economic
benefits.
In
this
review,
we
provided
an
overview
seed
dormancy
its
regulation,
major
causes
also
unraveled
novel
avenues
battle
cereals
special
reference
using
genomics
transcriptomic
Plant Cell & Environment,
Journal Year:
2022,
Volume and Issue:
46(4), P. 1384 - 1401
Published: Nov. 2, 2022
Preharvest
sprouting
(PHS)
is
an
unfavorable
trait
in
cereal
crops
and
causes
serious
yield
loss.
However,
the
molecular
mechanism
underlying
PHS
remains
largely
elusive.
Here,
we
identified
a
member
of
9-cis-epoxycarotenoid
dioxygenase
family,
OsNCED3,
which
regulates
grain
development
rice
(Oryza
sativa
L.).
OsNCED3
encodes
chloroplast-localized
abscisic
acid
(ABA)
biosynthetic
enzyme
highly
expressed
embryo
developing
seeds.
Disruption
by
CRISPR/Cas9-mediated
mutagenesis
led
to
lower
ABA
higher
gibberellic
(GA)
levels
(thus
skewed
ABA/GA
ratio)
embryo,
promoting
embryos
growth
breaking
seed
dormancy
before
maturity
harvest,
thus
decreased
enhanced
rice.
overexpression
resistance
regulating
proper
ratio
embryo.
Intriguingly,
resulted
increased
size
weight,
whereas
disruption
function
weight.
Nucleotide
diversity
analyses
suggested
that
may
be
selected
during
japonica
populations
adaptation
germination.
Taken
together,
have
new
OsNCED
regulator
involved
development,
provide
potential
target
gene
for
improving