Genome‐Wide Association Studies Reveal the Genetic Architecture of Ionomic Variation in Grains of Tartary Buckwheat
Zhirong Wang,
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Yuqi He,
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Mengyu Zhao
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et al.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
Abstract
Tartary
buckwheat
(
Fagopyrum
tataricum
)
is
esteemed
as
a
medicinal
crop
due
to
its
high
nutritional
and
health
value.
However,
the
genetic
basis
for
variations
in
grain
ionome
remains
inadequately
understood.
Through
genome‐wide
association
studies
(GWAS)
on
ionome,
52
loci
are
identified
associated
with
10
elements
undergoing
selection.
Molecular
experiments
have
shown
that
variation
FtACA13
’s
promoter
(an
auto‐inhibited
Ca
2+
‐ATPase)
accountable
sodium
concentration
salt
tolerance,
which
underwent
selection
during
domestication.
FtYPQ1
(a
vacuolar
amino
acid
transporter)
exhibits
zinc
transport
activity,
enhancing
tolerance
excessive
stress
raising
accumulation.
Additionally,
FtNHX2
Na
+
/H
exchanger)
positively
regulates
arsenic
content.
Further
genomic
comparative
analysis
of
“20A1”
(wild
accession)
“Pinku”
(cultivated
unveiled
structural
variants
key
genes
involved
ion
uptake
may
result
considerable
changes
their
functions.
This
research
establishes
initial
comprehensive
atlas
buckwheat,
will
significantly
aid
improvement
nutrient
biofortification.
Language: Английский
Genome-wide association study reveals of a FtS1Fa1 gene regulating rutin biosynthesis in Tartary buckwheat
Yuanbin Mao,
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Lei Wang,
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Qing Xu
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et al.
Plant Physiology and Biochemistry,
Journal Year:
2025,
Volume and Issue:
223, P. 109804 - 109804
Published: March 20, 2025
Language: Английский
Transcriptomic Regulatory Mechanisms of Isoflavone Biosynthesis in Trifolium pratense
Kefan Cao,
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Sijing Wang,
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Huimin Zhang
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et al.
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(5), P. 1061 - 1061
Published: April 27, 2025
Isoflavones
are
important
secondary
metabolites
in
leguminous
plants
with
significant
physiological
functions
and
economic
value.
However,
the
genetic
variation,
transcriptional
regulation,
metabolic
pathways
governing
isoflavone
biosynthesis
Trifolium
pratense
remain
largely
unexplored.
In
this
study,
we
systematically
analyzed
500
accessions
of
T.
for
content
performed
RNA-seq-based
transcriptomic
profiling
to
investigate
molecular
mechanisms
underlying
biosynthesis.
Cluster
analysis
revealed
distinct
profiles
between
high-
(H1,
H2,
H3)
low-isoflavone
(L1,
L2,
L3)
groups.
GO
KEGG
pathway
enrichment
analyses
identified
key
pathways,
including
phenylpropanoid
metabolism,
flavonoid
biosynthesis,
carbohydrate
hormone
signaling,
which
play
crucial
roles
regulation.
Weighted
gene
co-expression
network
(WGCNA)
three
modules—MEblue,
MEturquoise,
MEyellow—strongly
correlated
content.
The
MEturquoise
MEyellow
modules
were
upregulated
high-isoflavone
groups
enriched
lipid
suggesting
that
these
actively
promote
accumulation.
Conversely,
MEblue
module,
highly
expressed
groups,
was
sugar
metabolism
MAPK
indicating
a
potential
flux
shift
away
from
metabolism.
Moreover,
rate-limiting
enzymes
(PAL,
C4H,
4CL,
CHS,
IFS)
exhibited
higher
expression
highlighting
their
importance
precursor
supply
enzymatic
catalysis.
Additionally,
transcription
factors
such
as
MYB,
WRKY,
NAC
regulators
complex
interplay
hormonal,
circadian,
environmental
signals.
This
study
provides
comprehensive
framework
understanding
identifies
regulatory
genes
could
be
targeted
improvement,
engineering,
breeding.
findings
offer
valuable
insights
into
enhancing
production
legumes
agricultural,
nutritional,
pharmaceutical
applications.
Language: Английский
Molecular mechanisms underlying abiotic stress responses in buckwheat
Plant Science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 112526 - 112526
Published: April 1, 2025
Plants
have
endured
evolutionary
changes
for
hundreds
of
years
under
the
impact
increasing
abiotic
and
biotic
stress
due
to
human
activities
over
past
centuries.
Scientists
been
working
understand
molecular
mechanisms
plant
responses
severe
environmental
stress,
as
plants
complex
arrangements
respond
adapt
including
drought,
cold,
heat
stress.
Buckwheat
(Fagopyrum
spp.)
is
a
resilient
pseudocereal
known
its
nutritional
value
adaptability
various
conditions,
making
it
an
essential
crop
in
sustainable
agriculture.
It
particularly
noted
gluten-free
nature
high-quality
protein
content,
which
benefit
those
with
gluten
sensitivities.
However,
recent
studies
revealed
that
buckwheat
cultivation
faces
significant
challenges
from
stressors
such
salinity,
temperature
extremes,
heavy
metal
toxicity,
can
adversely
affect
growth
yield.
We
acknowledged
key
genes
factors
regulating
tolerance
response
stresses.
compiled
new
data
about
diverse
by
different
Fagopyrum
species
manage
encompassing
physiological,
biochemical,
adaptations.
As
global
food
production
demands
rise,
effective
management
strategies
these
are
increasingly
critical
optimising
ensuring
security
changing
climate.
Language: Английский