Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Dec. 20, 2024
Climate
change
is
becoming
a
global
challenge,
threating
agriculture's
capacity
to
meet
the
food
and
nutritional
requirements
of
growing
population.
Underutilized
crops
present
an
opportunity
address
climate
deficiencies.
Tef
stress-resilient
cereal
crop,
producing
gluten-free
grain
high
quality.
However,
knowledge
lacking
on
tef's
diversity
properties,
their
interaction
with
environmental
conditions
(e.g.,
water
availability)
underlying
genomic
loci.
We
assessed
effect
availability
tef
nutrient
concentrations
identify
associated
A
collection
223
genotypes,
subset
panel
300
(TDP-300),
were
grown
in
field
under
well-watered
water-limited
2021,
phenotyped
for
11
traits
including:
protein
mineral
seed
color.
genome-wide
association
study
was
conducted
using
28,837
single-nucleotide
polymorphisms
(SNPs)
phenotypic
data
marker-trait
associations
(MTAs).
exhibited
wide
genetic
significant
influence
environment.
Protein
most
micronutrients
more
concentrated
conditions,
whereas
macronutrients
higher
total
59
SNPs
one
or
studied
traits,
resulting
65
MTAs
detected
both
treatments,
providing
insights
into
basis
nutrients.
Five
reflected
multiple
associations,
four
detecting
same
trait
treatments
(multiple-environment
effect),
Zn
K
(pleiotropic
effect).
In
addition,
two
pairs
closely
linked
multiple-environment
effects.
While
provide
greater
support
integrity
these
MTAs,
pleiotropic
locus
hints
at
common
mechanism
controlling
ions.
The
identified
shed
new
light
architecture
properties
enhance
quality
alongside
drought
resilience.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 8, 2024
Underutilised
crops
are
important
for
diversifying
food
systems.
The
genomics
of
these
should
not
be
done
in
isolation
but
align
with
their
breeding
and
capacity
building
strategies
while
leveraging
advances
made
major
crops.
or
orphan
our
systems
towards
nutrition
security.
Here,
the
authors
discuss
how
development
underutilised
crop
genomic
resource
strategies,
leverage
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(14)
Published: March 27, 2023
In
the
smallholder,
low-input
farming
systems
widespread
in
sub-Saharan
Africa,
farmers
select
and
propagate
crop
varieties
based
on
their
traditional
knowledge
experience.
A
data-driven
integration
of
into
breeding
pipelines
may
support
sustainable
intensification
local
farming.
Here,
we
combine
genomics
with
participatory
research
to
tap
smallholder
systems,
using
durum
wheat
(
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 4, 2024
Abstract
Salinity
poses
a
significant
challenge
to
global
crop
productivity,
affecting
approximately
20%
of
cultivated
and
33%
irrigated
farmland,
this
issue
is
on
the
rise.
Negative
impact
salinity
plant
development
metabolism
leads
physiological
morphological
alterations
mainly
due
high
ion
concentration
in
tissues
reduced
water
nutrients
uptake.
Common
bean
(
Phaseolus
vulgaris
L.),
staple
food
accounting
for
substantial
portion
consumed
grain
legumes
worldwide,
highly
susceptible
salt
stress
resulting
noticeable
reduction
dry
matter
gain
roots
shoots
even
at
low
concentrations.
In
study
we
screened
common
panel
diversity
encompassing
192
homozygous
genotypes
tolerance
seedling
stage.
Phenotypic
data
were
leveraged
identify
genomic
regions
involved
species
through
GWAS.
We
detected
seven
associations
between
shoot
weight
SNP
markers.
The
candidate
genes,
linkage
with
associated
or
harbouring
SNP,
showed
strong
homology
genes
known
be
Arabidopsis.
Our
findings
provide
valuable
insights
onto
genetic
control
represent
first
contribution
address
salinity-induced
yield
losses
ground
eventually
breed
tolerant
varieties.
Global Change Biology,
Journal Year:
2023,
Volume and Issue:
29(8), P. 2335 - 2350
Published: Jan. 8, 2023
The
climate
crisis
is
impacting
agroecosystems
and
threatening
food
security
of
millions
smallholder
farmers.
Understanding
the
potential
for
current
future
climatic
adaptation
local
crop
agrobiodiversity
may
guide
breeding
efforts
support
resilience
agriculture.
Here,
we
combine
a
genomic
characterization
large
collection
traditional
barley
varieties
from
Ethiopia,
staple
farmers
cropping
in
challenging
environments.
We
find
that
diversity
landraces
can
be
partially
traced
back
to
geographic
environmental
landscape.
employ
machine
learning
approach
model
Ethiopian
identify
areas
where
its
existing
not
well
adapted
scenarios.
use
this
information
optimal
trajectories
assisted
migration
compensating
detrimental
effects
change,
finding
bears
opportunities
crisis.
then
characterize
phenology
traits
two
common
garden
experiments
using
genome-wide
association
approaches
loci
associated
with
timing
flowering
maturity
spike.
genotype-environment
associations
involved
time
also
explain
adaptation.
Our
data
show
integrated
genomic,
climatic,
phenotypic
characterizations
provide
actionable
improve
farming
systems.
