Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: Nov. 17, 2022
Global
agricultural
industries
are
under
pressure
to
meet
the
future
food
demand;
however,
existing
crop
genetic
diversity
might
not
be
sufficient
this
expectation.
Advances
in
genome
sequencing
technologies
and
availability
of
reference
genomes
for
over
300
plant
species
reveals
hidden
wild
relatives
(CWRs),
which
could
have
significant
impacts
improvement.
There
many
ex-situ
in-situ
resources
around
world
holding
rare
valuable
species,
carry
agronomically
important
traits
it
is
crucial
users
aware
their
availability.
Here
we
aim
explore
available
ex-/in-
situ
such
as
genebanks,
botanical
gardens,
national
parks,
conservation
hotspots
inventories
CWR
accessions.
In
addition
highlight
advances
use
genomic
resources,
contribution
pangenome
construction
introducing
novel
genes
into
crops.
We
also
discuss
potential
challenges
modern
breeding
experimental
approaches
(e.g.
de
novo
domestication,
editing
speed
breeding)
used
CWRs
computational
machine
learning)
that
up
utilization
programs
towards
adaptability
yield
Trends in biotechnology,
Journal Year:
2021,
Volume and Issue:
40(4), P. 412 - 431
Published: Oct. 9, 2021
Crop
wild
relatives
(CWRs)
have
provided
breeders
with
several
'game-changing'
traits
or
genes
that
boosted
crop
resilience
and
global
agricultural
production.
Advances
in
breeding
genomics
accelerated
the
identification
of
valuable
CWRs
for
use
improvement.
The
enhanced
genetic
diversity
pools
carrying
optimum
combinations
favorable
alleles
targeted
crop-growing
regions
is
crucial
to
sustain
gain.
In
parallel,
growing
sequence
information
on
genomes
combination
precise
gene-editing
tools
provide
a
fast-track
route
transform
into
ideal
future
crops.
Data-informed
germplasm
collection
management
strategies
together
adequate
policy
support
will
be
equally
important
improve
access
their
sustainable
meet
food
nutrition
security
targets.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Feb. 3, 2022
Abstract
Structural
variants
(SVs)
represent
a
major
source
of
genetic
diversity
and
are
related
to
numerous
agronomic
traits
evolutionary
events;
however,
their
comprehensive
identification
characterization
in
cucumber
(
Cucumis
sativus
L.)
have
been
hindered
by
the
lack
high-quality
pan-genome.
Here,
we
report
graph-based
pan-genome
analyzing
twelve
chromosome-scale
genome
assemblies.
Genotyping
seven
large
chromosomal
rearrangements
based
on
provides
useful
information
for
use
wild
accessions
breeding
studies.
A
total
~4.3
million
including
56,214
SVs
identified
leveraging
chromosome-level
The
graph
integrating
both
variant
reference
sequences
aids
associated
with
traits,
warty
fruits,
flowering
times
root
growth,
enhances
understanding
trait
evolution.
provide
rich
resources
future
biological
research
genomics-assisted
breeding.
The Plant Cell,
Journal Year:
2022,
Volume and Issue:
35(1), P. 162 - 186
Published: Nov. 12, 2022
Abstract
Breeding
climate-resilient
crops
with
improved
levels
of
abiotic
and
biotic
stress
resistance
as
a
response
to
climate
change
presents
both
opportunities
challenges.
Applying
the
framework
“breeder’s
equation,”
which
is
used
predict
selection
for
breeding
program
cycle,
we
review
methodologies
strategies
that
have
been
successfully
breed
drought
resistance,
where
target
population
environments
(TPEs)
spatially
temporally
heterogeneous
mixture
drought-affected
favorable
(water-sufficient)
environments.
Long-term
improvement
temperate
maize
US
corn
belt
case
study
compared
progress
other
geographies.
Integration
trait
information
across
scales,
from
genomes
ecosystems,
needed
accurately
yield
outcomes
genotypes
within
current
future
TPEs.
This
will
require
transdisciplinary
teams
explore,
identify,
exploit
novel
accelerate
outcomes;
germplasm
resources
products
(cultivars,
hybrids,
clones,
populations)
outperform
replace
in
use
by
farmers,
combination
modified
agronomic
management
suited
their
local
The Plant Cell,
Journal Year:
2022,
Volume and Issue:
35(1), P. 125 - 138
Published: Aug. 25, 2022
A
fundamental
goal
in
plant
biology
is
to
identify
and
understand
the
variation
underlying
plants'
adaptation
their
environment.
Climate
change
has
given
new
urgency
this
goal,
as
society
aims
accelerate
of
ecologically
important
species,
endangered
crops
hotter,
less
predictable
climates.
In
pre-genomic
era,
identifying
adaptive
alleles
was
painstaking
work,
leveraging
genetics,
molecular
biology,
physiology,
ecology.
Now,
rise
genomics
computational
approaches
may
facilitate
research.
Genotype-environment
associations
(GEAs)
use
statistical
between
allele
frequency
environment
origin
test
hypothesis
that
allelic
at
a
gene
adapted
local
environments.
Researchers
scan
genome
for
GEAs
generate
hypotheses
on
genetic
variants
(environmental
genome-wide
association
studies).
Despite
rapid
adoption
these
methods,
many
questions
remain
about
interpretation
GEA
findings,
which
arise
from
unanswered
architecture
limitations
inherent
association-based
analyses.
We
outline
strategies
ground
better
GEA-generated
using
genetics
ecophysiology.
provide
recommendations
users
who
seek
learn
basis
adaptation.
When
combined
with
rigorous
testing
framework,
our
understanding
climate
improvement.
Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: May 5, 2023
Abstract
As
large-scale
genomic
studies
have
progressed,
it
has
been
revealed
that
a
single
reference
genome
pattern
cannot
represent
genetic
diversity
at
the
species
level.
While
domestic
animals
tend
to
complex
routes
of
origin
and
migration,
suggesting
possible
omission
some
population-specific
sequences
in
current
genome.
Conversely,
pangenome
is
collection
all
DNA
contains
shared
by
individuals
(core
genome)
also
able
display
sequence
information
unique
each
individual
(variable
genome).
The
progress
research
humans,
plants
proved
missing
components
identification
large
structural
variants
(SVs)
can
be
explored
through
pangenomic
studies.
Many
specific
shown
related
biological
adaptability,
phenotype
important
economic
traits.
maturity
technologies
methods
such
as
third-generation
sequencing,
Telomere-to-telomere
genomes,
graphic
reference-free
assembly
will
further
promote
development
pangenome.
In
future,
combined
with
long-read
data
multi-omics
help
resolve
SVs
their
relationship
main
traits
interest
domesticated
animals,
providing
better
insights
into
animal
domestication,
evolution
breeding.
this
review,
we
mainly
discuss
how
analysis
reveals
variations
(sheep,
cattle,
pigs,
chickens)
impacts
on
phenotypes
contribute
understanding
diversity.
Additionally,
go
potential
issues
future
perspectives
livestock
poultry.
PLANT PHYSIOLOGY,
Journal Year:
2024,
Volume and Issue:
195(2), P. 1401 - 1413
Published: Jan. 29, 2024
Abstract
Plant
domestication
are
evolutionary
experiments
conducted
by
early
farmers
since
thousands
years
ago,
during
which
the
crop
wild
progenitors
artificially
selected
for
desired
agronomic
traits
along
with
dramatic
genomic
variation
in
course
of
moderate
to
severe
bottlenecks.
However,
previous
investigations
mainly
focused
on
small-effect
variants,
while
changes
gene
contents
rarely
investigated
due
lack
population-level
assemblies
both
and
its
relatives.
Here,
we
applied
comparative
analyses
discover
gain
loss
grapevine
using
long-read
representative
population
samples
domesticated
grapevines
(V.
vinifera
ssp.
vinifera)
their
sylvestris).
Only
∼7%
families
were
shared
16
Vitis
genomes
∼8%
specific
each
accession,
suggesting
variations
genomes.
Compared
progenitors,
accessions
exhibited
an
increased
presence
genes
associated
asexual
reproduction,
showcased
a
higher
abundance
related
pollination,
revealing
transition
from
sexual
reproduction
clonal
propagation
processes.
Moreover,
harbored
fewer
disease-resistance
than
progenitors.
The
SVs
occurred
frequently
aroma
between
indicating
rapid
diversification
these
domestication.
Our
study
provides
insights
resources
biological
studies
breeding
programs
grapevine.