Research Square (Research Square),
Journal Year:
2021,
Volume and Issue:
unknown
Published: June 25, 2021
Abstract
Chinese
pine
(
Pinus
tabuliformis
)
is
one
of
the
most
widespread,
ecologically
and
economically
important
tree
species
in
North
China.
In
this
study,
we
analyzed
compared
genetic
diversity
population
structure
158
individuals
from
17
populations
P.
,
by
group
III,
a
new
mitochondrial
marker
system
nad1-2,
nad4-3,
nad5-1
nad7-1
with
two
other
groups
systems.
contrast
to
conservation
evolution
sequence,
shows
as
extremely
high
polymorphism
25,
whose
haplotypes
are
more
than
four
times
I
nad1-2
nad4-3
nad5-1)
8
haplotypes.
Although
II,
(19
haplotypes),
showed
resolution
provenance
identification
accurate
for
detection
specific
like
HL,
WT
NS
powerful
differentiate
between
GD
SS.
The
results
suggested
that
GBS
(genotype
seqencing).
It
much
available
will
be
great
help
molecular
assisted
breeding
.
This
study
make
theoretical
foundation
following
studies
on
evaluation,
cultivation
germplasm
management
aid
breeding,
biodiversity
programs
forest
species.
Genes,
Journal Year:
2021,
Volume and Issue:
12(12), P. 1881 - 1881
Published: Nov. 25, 2021
The
breeding
of
tropical
fruit
trees
for
improving
traits
is
complicated,
due
to
the
long
juvenile
phase,
generation
cycle,
parthenocarpy,
polyploidy,
polyembryony,
heterozygosity
and
biotic
abiotic
factors,
as
well
a
lack
good
genomic
resources.
Many
molecular
techniques
have
recently
evolved
assist
hasten
conventional
efforts.
Molecular
markers
linked
development
quality
such
shape,
size,
texture,
aroma,
peel
pulp
colour
were
identified
in
crops,
facilitating
Marker-assisted
(MAB).
An
increase
availability
genome
sequences
fruits
further
aided
discovery
SNP
variants/Indels,
QTLs
genes
that
can
ascertain
genetic
determinants
characters.
Through
multi-omics
approaches
genomics,
transcriptomics,
metabolomics
proteomics,
identification
quantification
transcripts,
including
non-coding
RNAs,
involved
sugar
metabolism,
ripening,
shelf
life,
stress
impacts
made
possible.
Utilizing
assisted
methods
wide
association
(GWAS),
selection
(GS)
modifications
using
CRISPR/Cas9
transgenics
has
paved
way
studying
gene
function
developing
cultivars
with
desirable
by
overcoming
cycles.
Such
comprehensive
related
characters
their
applications
strategies
crop
improvement
are
reviewed,
discussed
presented
here.
PLANT PHYSIOLOGY,
Journal Year:
2024,
Volume and Issue:
195(4), P. 2799 - 2814
Published: May 14, 2024
Abstract
The
cultivated
apple
(Malus
domestica
Borkh.)
is
a
cross-pollinated
perennial
fruit
tree
of
great
economic
importance.
Earlier
versions
reference
genomes
were
unphased,
fragmented,
and
lacked
comprehensive
insights
into
the
apple's
highly
heterozygous
genome,
which
impeded
advances
in
genetic
studies
breeding
programs.
In
this
study,
we
assembled
haplotype-resolved
telomere-to-telomere
(T2T)
genome
for
diploid
cultivar
Golden
Delicious.
Subsequently,
constructed
pangenome
based
on
12
assemblies
from
wild
species
to
investigate
dynamic
changes
functional
genes.
Our
results
revealed
gene
gain
loss
events
during
domestication.
Compared
with
species,
more
families
significantly
enriched
oxidative
phosphorylation,
pentose
metabolic
process,
responses
salt,
abscisic
acid
biosynthesis
process.
analyses
also
demonstrated
higher
prevalence
different
types
resistance
analogs
(RGAs)
cultivars
than
their
relatives,
partially
attributed
segmental
tandem
duplication
certain
RGAs
classes.
Structural
variations,
mainly
deletions
insertions,
have
affected
presence
absence
TIR-NB-ARC-LRR,
NB-ARC-LRR,
CC-NB-ARC-LRR
Additionally,
hybridization/introgression
has
contributed
expansion
genes
domesticated
apples.
T2T
provide
important
resources
apples,
emphasizing
need
study
evolutionary
mechanisms
breeding.
Horticulture Research,
Journal Year:
2020,
Volume and Issue:
7(1)
Published: Nov. 1, 2020
Abstract
The
Rosaceae
crop
family
(including
almond,
apple,
apricot,
blackberry,
peach,
pear,
plum,
raspberry,
rose,
strawberry,
sweet
cherry,
and
sour
cherry)
provides
vital
contributions
to
human
well-being
is
economically
significant
across
the
U.S.
In
2003,
industry
stakeholder
initiatives
prioritized
utilization
of
genomics,
genetics,
breeding
develop
new
cultivars
exhibiting
both
disease
resistance
superior
horticultural
quality.
However,
rosaceous
breeders
lacked
certain
knowledge
tools
fully
implement
DNA-informed
breeding—a
“chasm”
existed
between
existing
genomics
genetic
information
application
this
in
breeding.
RosBREED
project
(“Ros”
signifying
a
community
initiative,
“BREED”,
indicating
core
focus
on
programs),
addressed
challenge
through
comprehensive
coordinated
10-year
effort
funded
by
USDA-NIFA
Specialty
Crop
Research
Initiative.
was
designed
enable
routine
modern
genetics
technologies
programs,
thereby
enhancing
their
efficiency
effectiveness
delivering
with
producer-required
resistances
market-essential
This
review
presents
synopsis
approach,
deliverables,
impacts
RosBREED,
highlighting
synergistic
global
collaborations
future
needs.
Enabling
developed
are
described,
including
genome-wide
scanning
platforms
DNA
diagnostic
tests.
Examples
use
participants
presented
for
all
stages,
pre-breeding
resistance,
parental
seedling
selection,
elite
selection
advancement.
chasm
now
bridged,
accelerating
improvement.
PLANT PHYSIOLOGY,
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 3, 2023
Abstract
Climate
change
and
rapid
adaption
of
invasive
pathogens
pose
a
constant
pressure
on
the
fruit
industry
to
develop
improved
varieties.
Aiming
accelerate
development
better-adapted
cultivars,
new
breeding
techniques
have
emerged
as
promising
alternative
meet
demand
growing
global
population.
Accelerated
breeding,
cisgenesis,
CRISPR/Cas
genome
editing
hold
significant
potential
for
crop
trait
improvement
proven
be
useful
in
several
plant
species.
This
review
focuses
successful
application
these
technologies
trees
confer
pathogen
resistance
tolerance
abiotic
stress
improve
quality
traits.
In
addition,
we
optimization
diversification
tools
applied
trees,
such
multiplexing,
CRISPR/Cas-mediated
base
site-specific
recombination
systems.
Advances
protoplast
regeneration
delivery
techniques,
including
use
nanoparticles
viral-derived
replicons,
are
described
obtention
exogenous
DNA-free
tree
The
regulatory
landscape
broader
social
acceptability
cisgenesis
also
discussed.
Altogether,
this
provides
an
overview
versatility
applications
improvement,
well
current
challenges
that
deserve
attention
further
implementation
techniques.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: June 30, 2022
Genetic
transformation
has
become
an
important
tool
in
plant
genome
research
over
the
last
three
decades.
This
applies
not
only
to
model
plants
such
as
Arabidopsis
thaliana
but
also
increasingly
cultivated
plants,
where
establishment
of
methods
could
still
pose
many
problems.
One
is
apple
(
Malus
spp.),
most
fruit
temperate
climate
zone.
Although
genetic
using
Agrobacterium
tumefaciens
been
possible
since
1989,
a
few
groups
worldwide
have
successfully
applied
this
technology,
and
efficiency
remains
poor.
Nevertheless,
there
some
developments,
especially
recent
years,
which
allowed
for
expansion
toolbox
breeders
breeding
researchers.
review
article
attempts
summarize
developments
-mediated
strategies
apple.
In
addition
use
different
tissues
media
transformation,
agroinfiltration,
well
pre-transformation
with
Baby
boom
transcription
factor
are
notable
successes
that
improved
Further,
we
highlight
targeted
gene
silencing
applications.
Besides
classical
RNAi-based
by
stable
hairpin
constructs,
optimized
protocols
virus-induced
(VIGS)
artificial
micro
RNAs
(amiRNAs)
emerged
powerful
technologies
genes
interest.
Success
achieved
establishing
editing
(GE).
For
example,
it
was
recently
first
time
generate
homohistont
GE
line
into
biallelic
mutation
specifically
inserted
target
gene.
these
methods,
primarily
aimed
at
increasing
efficiency,
improving
precision
modification
reducing
required,
discussed
genetically
modified
used
purposes.
particular,
current
state
rapid
crop
cycle
system
its
applications
will
be
presented.
The Plant Journal,
Journal Year:
2023,
Volume and Issue:
113(6), P. 1160 - 1175
Published: Jan. 7, 2023
SUMMARY
Cisgenesis,
the
genetic
modification
of
a
plant
with
genes
from
sexually
compatible
plant,
was
used
to
confer
fire
blight
resistance
cultivar
‘Gala
Galaxy’
by
amendment
gene
FB_MR5
,
resulting
in
line
C44.4.146.
To
verify
whether
cisgenesis
changed
other
tree‐,
flower‐
or
fruit‐related
traits,
5‐year
field
trial
conducted
trees
C44.4.146
and
multiple
control
genotypes,
including
members
‘Gala’
sports
group.
None
44
investigated
traits
significantly
differed
between
at
least
one
genotypes
all
observation
years.
However,
fruits
its
wild‐type
tissue
culture
were
paler
color
than
that
had
not
undergone
culture.
There
no
significant
consistently
detected
difference
fruit
flesh
peel
metabolome
compared
genotypes.
Finally,
disease
confirmed
also
when
pathogen
inoculated
through
flowers.
We
conclude
use
did
have
unintended
effects,
vitro
establishment
greater
effect
on
properties
generation
applying
cisgenesis.
PLoS ONE,
Journal Year:
2023,
Volume and Issue:
18(2), P. e0272888 - e0272888
Published: Feb. 7, 2023
Breeders,
collection
curators,
and
other
germplasm
users
require
genetic
information,
both
genome-wide
locus-specific,
to
effectively
manage
their
genetically
diverse
plant
material.
SNP
arrays
have
become
the
preferred
platform
provide
profiles
for
elite
could
also
locus-specific
genotypic
information.
However,
information
loci
of
interest
such
as
those
within
PCR-based
DNA
fingerprinting
panels
trait-predictive
tests
is
not
readily
extracted
from
array
data,
thus
creating
a
disconnect
between
historic
new
data
sets.
This
study
aimed
establish
method
deducing
genotypes
at
associated
haplotypes,
demonstrated
two
fruit
crops
three
locus
types:
quantitative
trait
Ma
Ma3
acidity
in
apple,
apple
microsatellite
marker
GD12,
Mendelian
R
f
sweet
cherry
color.
Using
phased
an
8K
6K
array,
unique
haplotypes
spanning
each
target
were
with
alleles
important
breeding
parents.
These
compared
via
identity-by-descent
(IBD)
or
identity-by-state
(IBS)
present
U.S.
programs
deduce
this
germplasm.
While
IBD
segments
confidently
tracked
through
pedigrees,
confidence
allele
identity
among
IBS
used
shared
length
threshold.
At
least
one
per
was
deduced
64–93%
181
individuals.
Successful
validation
GD12
reported
newly
obtained
genotypes.
Our
approach
can
efficiently
merge
expand
sets,
missing
identifying
errors,
appropriate
any
crop
especially
where
linkage
disequilibrium
high.
Locus-specific
expected
enhance
management
resources.