Impacts of reproductive systems on grapevine genome and breeding
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 3, 2025
Diversified
reproductive
systems
can
be
observed
in
the
plant
kingdom
and
applied
crop
breeding;
however,
their
impacts
on
genomic
variation
breeding
remain
unclear.
Grapevine
(Vitis
vinifera
L.),
a
widely
planted
fruit
tree,
underwent
shift
from
dioecism
to
monoecism
during
domestication
involves
crossing,
self-pollination,
clonal
propagation
for
its
cultivation.
In
this
study,
we
discover
that
types,
namely,
selfing,
cloning,
dramatically
impact
landscapes
grapevine
based
comparative
population
genetics
of
wild
complex
pedigree
Pinot
Noir.
The
are
divergent,
which
show
interesting
patterns
purging
Hill-Robertson
interference.
Selfing
reduces
heterozygosity,
while
cloning
increases
it,
resulting
"double
U-shaped"
site
frequency
spectrum
(SFS).
Crossing
conceal
selfing
purges
most
deleterious
structural
burdens.
Moreover,
close
leakage
large-effect
variations
repulsion
phases
maintains
heterozygous
regions
4.3%
genome
after
successive
nine
generations.
Our
study
provides
new
insights
into
genetic
basis
crops
by
variants
integrating
beneficial
through
various
systems.
Effects
Here,
authors
report
types
analyses
Language: Английский
Population genomics of Vitis pseudoreticulata reveals the genetic basis of fungal resistance in grapevine
Horticultural Plant Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
Responses of grapevine cells to physiological doses of ethanol, among which induced resistance to heat stress
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 2, 2024
Abstract
Grapevine
naturally
endures
stresses
like
heat,
drought,
and
hypoxia.
A
recent
study
showed
very
low
oxygen
levels
inside
grape
berries,
linked
to
ethanol
content.
Other
studies
have
established
the
link
between
tolerance
various
stresses:
heat
stress,
high
salinity.
The
causes
of
such
a
are
not
well
understood.
In
our
study,
three-week-old
Gamay
calli,
Vitis
vinifera
,
were
characterised
for
their
endogenous
concentration.
Subsequently,
transcriptomic
these
cells
was
conducted,
6
24
hours
after
treatment
with
1
mM
ethanol.
After
hours,
addition
led
386
differentially
expressed
genes,
notable
upregulation
genes
related
response,
especially
small
Heat
Shock
Proteins
(sHSPs).
Further
experiments
that
priming
in
or
Arabidopsis
seedlings
reduced
pigment
electrolyte
leakage
under
respectively.
This
supports
idea
helps
protect
plants
against
stress
provides
valuable
RNA-seq
dataset
further
research
into
underlying
mechanisms,
sHSPs
playing
potentially
crucial
role
this
adaptive
response.
Language: Английский
Haplotype-resolved assemblies provide insights into genomic makeup of the oldest grapevine cultivar (Munage) in Xingjiang
Haixia Zhong,
No information about this author
Xiaoya Shi,
No information about this author
Fuchun Zhang
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 14, 2024
Abstracts
Munage,
an
ancient
grape
variety
that
has
been
cultivated
for
thousands
of
years
in
Xinjiang,
China,
is
recognized
its
exceptional
fruit
traits.
There
are
two
main
types
Munage:
white
(WM)
and
red
(RM).
However,
the
lack
a
high-quality
genomic
resources
impeded
effective
breeding
restricted
potential
expanding
these
varieties
to
other
growing
regions.
In
this
study,
we
assembled
haplotype-resolved
genome
assemblies
WM
RM,
alongside
integrated
whole
resequencing
(WGS)
data
transcriptome
illuminate
specific
mutations
associated
genes
Munake
with
color
Selective
analysis
between
Munage
clones
Eurasian
grapes
suggested
adaptive
selection
exists
grapes,
enriched
processes
including
cell
maturation,
plant
epidermal
differentiation,
root
differentiation.
The
study
examined
within
found
PMAT2
on
chromosome
12
MYB123
13
likely
responsible
variation
RM.
These
findings
provide
crucial
genetic
investigating
genetics
Chinese
variety,
will
facilitate
improvement
grapevine.
Language: Английский