Theoretical and Applied Genetics,
Год журнала:
2023,
Номер
136(3)
Опубликована: Март 1, 2023
Abstract
Key
message
We
identified
markers
associated
with
GRD
resistance
after
screening
an
Africa-wide
core
collection
across
three
seasons
in
Uganda
Groundnut
is
cultivated
several
African
countries
where
it
a
major
source
of
food,
feed
and
income.
One
the
constraints
to
groundnut
production
Africa
rosette
disease
(GRD),
which
caused
by
complex
agents:
assistor
luteovirus,
umbravirus
its
satellite
RNA.
Despite
years
breeding
for
resistance,
genetics
not
fully
understood.
The
objective
current
study
was
use
establish
level
genetic
variation
their
response
GRD,
map
genomic
regions
responsible
observed
resistance.
genotypes
were
screened
two
hotspot
locations
(Nakabango
Serere)
3
seasons.
Area
Under
Disease
Progress
Curve
combined
7523
high
quality
SNPs
analyzed
marker-trait
associations
(MTAs).
Genome-Wide
Association
Studies
based
on
Enriched
Compressed
Mixed
Linear
Model
detected
32
MTAs
at
Nakabango:
21
chromosome
A04,
10
B04
1
B08.
Two
significant
localised
exons
putative
TIR-NBS-LRR
gene
A04.
Our
results
suggest
likely
involvement
genes
but
will
need
be
further
validated
more
comprehensive
phenotypic
genotypic
datasets.
developed
into
routine
assays
future
genomics-assisted
selection
groundnut.
Frontiers in Plant Science,
Год журнала:
2022,
Номер
12
Опубликована: Янв. 4, 2022
Food
safety
has
emerged
as
a
high-urgency
matter
for
sustainable
agricultural
production.
Toxic
metal
contamination
of
soil
and
water
significantly
affects
productivity,
which
is
further
aggravated
by
extreme
anthropogenic
activities
modern
practices,
leaving
food
human
health
at
risk.
In
addition
to
reducing
crop
production,
increased
metals/metalloids
toxicity
also
disturbs
plants'
demand
supply
equilibrium.
Counterbalancing
toxic
demands
better
understanding
the
complex
mechanisms
physiological,
biochemical,
molecular,
cellular,
plant
level
that
may
result
in
productivity.
Consequently,
plants
have
established
different
internal
defense
cope
with
adverse
effects
metals/metalloids.
Nevertheless,
these
are
not
adequate
overwhelm
toxicity.
Plants
produce
several
secondary
messengers
trigger
cell
signaling,
activating
numerous
transcriptional
responses
correlated
defense.
Therefore,
recent
advances
omics
approaches
such
genomics,
transcriptomics,
proteomics,
metabolomics,
ionomics,
miRNAomics,
phenomics
enabled
characterization
molecular
regulators
associated
tolerance,
can
be
deployed
developing
tolerant
plants.
This
review
highlights
various
response
strategies
adopted
tolerate
toxicity,
including
responses.
A
seven-(omics)-based
design
summarized
scientific
clues
reveal
stress-responsive
genes,
proteins,
metabolites,
miRNAs,
trace
elements,
stress-inducible
phenotypes,
metabolic
pathways
could
potentially
help
up
face
fluctuating
environmental
conditions.
Finally,
some
bottlenecks
future
directions
been
highlighted,
enable
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(19), С. 11156 - 11156
Опубликована: Сен. 22, 2022
Recently,
Artificial
intelligence
(AI)
has
emerged
as
a
revolutionary
field,
providing
great
opportunity
in
shaping
modern
crop
breeding,
and
is
extensively
used
indoors
for
plant
science.
Advances
phenomics,
enviromics,
together
with
the
other
"omics"
approaches
are
paving
ways
elucidating
detailed
complex
biological
mechanisms
that
motivate
functions
response
to
environmental
trepidations.
These
have
provided
researchers
precise
tools
evaluate
important
agronomic
traits
larger-sized
germplasm
at
reduced
time
interval
early
growth
stages.
However,
big
data
relationships
within
impede
understanding
of
behind
genes
driving
agronomic-trait
formations.
AI
brings
huge
computational
power
many
new
strategies
future
breeding.
The
present
review
will
encompass
how
applications
technology,
utilized
current
breeding
practice,
assist
solve
problem
high-throughput
phenotyping
gene
functional
analysis,
advances
technologies
bring
opportunities
make
envirotyping
widely
Furthermore,
methods,
linking
genotype
phenotype
remains
massive
challenge
impedes
optimal
application
field
phenotyping,
genomics,
enviromics.
In
this
review,
we
elaborate
on
be
preferred
tool
increase
accuracy
genotyping,
data;
moreover,
explore
developing
challenges
multiomics
computing
integration.
Therefore,
integration
can
allow
rapid
identification
eventually
accelerate
crop-improvement
programs.
The Plant Cell,
Год журнала:
2022,
Номер
35(1), С. 218 - 238
Опубликована: Сен. 6, 2022
Abstract
Ensuring
food
security
for
an
ever-growing
global
population
while
adapting
to
climate
change
is
the
main
challenge
agriculture
in
21st
century.
Although
new
technologies
are
being
applied
tackle
this
problem,
we
approaching
a
plateau
crop
improvement
using
conventional
breeding.
Recent
advances
CRISPR/Cas9-mediated
gene
engineering
have
paved
way
accelerate
plant
breeding
meet
increasing
demand.
However,
many
traits
governed
by
multiple
small-effect
genes
operating
complex
interactive
networks.
Here,
present
discovery
pipeline
BREEDIT,
which
combines
multiplex
genome
editing
of
whole
families
with
crossing
schemes
improve
such
as
yield
and
drought
tolerance.
We
induced
knockouts
48
growth-related
into
maize
(Zea
mays)
CRISPR/Cas9
generated
collection
over
1,000
gene-edited
plants.
The
edited
populations
displayed
(on
average)
5%–10%
increases
leaf
length
up
20%
width
compared
controls.
For
each
family,
edits
subsets
could
be
associated
enhanced
traits,
allowing
us
reduce
space
considered
trait
improvement.
BREEDIT
rapidly
generate
diverse
mutants
identify
promising
modifications
later
use
programs.
Plants,
Год журнала:
2024,
Номер
13(4), С. 490 - 490
Опубликована: Фев. 8, 2024
Climate
change
disrupts
food
production
in
many
regions
of
the
world.
The
accompanying
extreme
weather
events,
such
as
droughts,
floods,
heat
waves,
and
cold
snaps,
pose
threats
to
crops.
concentration
carbon
dioxide
also
increases
atmosphere.
United
Nations
is
implementing
climate-smart
agriculture
initiative
ensure
security.
An
element
this
project
involves
breeding
climate-resilient
crops
or
plant
cultivars
with
enhanced
resistance
unfavorable
environmental
conditions.
Modern
agriculture,
which
currently
homogeneous,
needs
diversify
species
cultivated
plants.
Plant
programs
should
extensively
incorporate
new
molecular
technologies,
supported
by
development
field
phenotyping
techniques.
Breeders
closely
cooperate
scientists
from
various
fields
science.
Horticulture Research,
Год журнала:
2024,
Номер
11(2)
Опубликована: Янв. 3, 2024
Abstract
Two
decades
have
passed
since
the
strawberry
(Fragaria
x
ananassa)
disease
caused
by
Macrophomina
phaseolina,
a
necrotrophic
soilborne
fungal
pathogen,
began
surfacing
in
California,
Florida,
and
elsewhere.
This
has
become
one
of
most
common
causes
plant
death
yield
losses
strawberry.
The
problem
emerged
expanded
wake
global
phase-out
soil
fumigation
with
methyl
bromide
appears
to
been
aggravated
an
increase
climate
change-associated
abiotic
stresses.
Here
we
show
that
sources
resistance
this
pathogen
are
rare
gene
banks
favorable
alleles
they
carry
phenotypically
unobvious.
latter
were
exposed
transgressive
segregation
selection
populations
phenotyped
for
under
heat
drought
stress.
genetic
gains
immediate
dramatic.
frequency
highly
resistant
individuals
increased
from
1%
cycle
0
74%
2.
Using
GWAS
survival
analysis,
found
phenotypic
had
frequencies
among
10
loci
associated
be
accumulated
four
or
more
these
individual
acquire
resistance.
An
unexpectedly
straightforward
solution
breeding
our
studies,
which
showed
cultivars
can
developed
genomic
per
se
marker-assisted
stacking
comparatively
small
number
large-effect
loci.
Drought
is
a
major
abiotic
stress
in
sub-Saharan
Africa,
impacting
maize
growth
and
development
leading
to
severe
yield
loss.
tolerance
complex
trait
regulated
by
multiple
genes,
making
direct
grain
selection
ineffective.
To
dissect
the
genetic
architecture
of
flowering
traits
under
drought
stress,
genome-wide
association
study
(GWAS)
was
conducted
on
panel
236
lines
testcrossed
evaluated
managed
optimal
growing
conditions
environments
using
seven
multi-locus
GWAS
models
(mrMLM,
FASTmrMLM,
FASTmrEMMA,
pLARmEB,
pKWmEB,
ISIS
EM-BLASSO,
FARMCPU)
from
mrMLM
GAPIT
R
packages.
Genomic
prediction
with
RR-BLUP
model
applied
BLUEs
across
locations
optimum
conditions.
A
total
172
stable
reliable
quantitative
nucleotides
(QTNs)
were
identified,
which
77
are
associated
GY,
AD,
SD,
ASI,
PH,
EH,
EPO
EPP
95
linked
Among
these
QTNs,
17
QTNs
explained
over
10%
phenotypic
variation
(R2
≥
10%).
Furthermore,
43
candidate
genes
discovered
annotated.
Two
Zm00001eb041070
closely
near
peak
QTN,
qGY_DS1.1
(S1_216149215)
Zm00001eb364110
related
anthesis-silking
interval
qASI_DS8.2
(S8_167256316)
encoding
AP2-EREBP
transcription
factor
60
TCP-transcription
20,
respectively
stress.
Haplo-pheno
analysis
identified
superior
haplotypes
for
higher
revealed
moderate
high
accuracies
The
carrying
can
be
used
as
potential
donors
improving
Integration
genomic
results
leads
not
only
an
increase
accuracy
but
also
validate
function
well
accumulation
favorable
alleles
minor
effects
elite
breeding
lines.
This
provides
valuable
insight
into
secondary
Heliyon,
Год журнала:
2023,
Номер
9(1), С. e12973 - e12973
Опубликована: Янв. 1, 2023
Germplasm
is
a
long-term
resource
management
mission
and
investment
for
civilization.
An
estimated
∼7.4
million
accessions
are
held
in
1750
plant
germplasm
centres
around
the
world;
yet,
only
2%
of
these
assets
have
been
utilized
as
genetic
resources
(PGRs).
According
to
recent
studies,
current
food
yield
trajectory
will
be
insufficient
feed
world's
population
2050.
Additionally,
possible
negative
effects
terms
crop
failure
because
climate
change
already
being
experienced
across
world.
Therefore,
it
necessary
reconciliation
research
advancement
innovation
practices
further
exploration
potential
especially
complex
traits
associated
with
such
water-
nitrogen
use
efficiency.
In
this
review,
we
tried
address
challenges,
gaps,
physiological
molecular
aspects
two
broad
spectrum
nitrogen-use
efficiency,
advanced
integrated
strategies
that
could
provide
platform
combined
stress
climate-smart
development.
development
technologies
directly
related
characterization
was
highlighted
utilization
towards
elite
varieties.