Frontiers in Plant Science,
Journal Year:
2020,
Volume and Issue:
11
Published: July 17, 2020
Sorghum
bicolor
(L.)
Moench
is
a
multipurpose
food
crop
which
ranked
among
the
top
five
cereal
crops
in
world,
and
used
as
source
of
food,
fodder,
feed
fuel.
The
genus
consists
26
diverse
species.
Cultivated
sorghum
was
derived
from
wild
progenitor
S.
subsp.
verticilliflorum,
commonly
distributed
Africa.
Archeological
evidence
has
identified
regions
Sudan,
Ethiopia
West
Africa
centers
origin
sorghum,
with
for
more
than
one
domestication
event.
taxonomy
not
fully
resolved,
alternative
classifications
that
should
be
resolved
by
further
molecular
analysis.
known
“the
camel
amongst
crops”
due
to
its
ability
withstand
severe
droughts
makes
it
suitable
grow
where
other
major
cannot
grown.
Wild
relatives
many
have
played
significant
roles
genetic
resources
improvement.
Although
there
been
studies
domesticated
few
reported
on
relatives.
In
Sorghum,
some
species
are
widely
while
others
very
restricted.
Of
17
native
found
Australia,
none
cultivated.
Isolation
these
them
highly
valuable
system
studying
evolution
adaptive
traits
such
biotic
abiotic
stress
tolerance.
diversity
probably
arisen
result
extensive
variability
habitats
over
they
distributed.
genepool
may,
therefore,
harbor
useful
genes
While
examples
successful
introgression
novel
alleles
Poaceae,
rice,
wheat,
maize
sugarcane,
limited.
An
improved
understanding
sorghums
will
better
allow
us
exploit
this
previously
underutilized
production
resilient
crops.
Annual Review of Plant Biology,
Journal Year:
2018,
Volume and Issue:
69(1), P. 789 - 815
Published: Feb. 28, 2018
The
eighteenth-century
Malthusian
prediction
of
population
growth
outstripping
food
production
has
not
yet
come
to
bear.
Unprecedented
agricultural
land
expansions
since
1700,
and
technological
innovations
that
began
in
the
1930s,
have
enabled
more
calorie
per
capita
than
was
ever
available
before
history.
This
remarkable
success,
however,
at
a
great
cost.
Agriculture
is
major
cause
global
environmental
degradation.
Malnutrition
persists
among
large
sections
population,
new
epidemic
obesity
on
rise.
We
review
both
successes
failures
system,
addressing
ongoing
debates
pathways
health
security.
To
deal
with
these
challenges,
coordinated
research
program
blending
modern
breeding
agro-ecological
methods
needed.
call
plant
biologists
lead
this
effort
help
steer
humanity
toward
safe
operating
space
for
agriculture.
Nature,
Journal Year:
2020,
Volume and Issue:
588(7837), P. 277 - 283
Published: Nov. 25, 2020
Abstract
Advances
in
genomics
have
expedited
the
improvement
of
several
agriculturally
important
crops
but
similar
efforts
wheat
(
Triticum
spp.)
been
more
challenging.
This
is
largely
owing
to
size
and
complexity
genome
1
,
lack
genome-assembly
data
for
multiple
lines
2,3
.
Here
we
generated
ten
chromosome
pseudomolecule
five
scaffold
assemblies
hexaploid
explore
genomic
diversity
among
from
global
breeding
programs.
Comparative
analysis
revealed
extensive
structural
rearrangements,
introgressions
wild
relatives
differences
gene
content
resulting
complex
histories
aimed
at
improving
adaptation
diverse
environments,
grain
yield
quality,
resistance
stresses
4,5
We
provide
examples
outlining
utility
these
genomes,
including
a
detailed
multi-genome-derived
nucleotide-binding
leucine-rich
repeat
protein
repertoire
involved
disease
characterization
Sm1
6
associated
with
insect
resistance.
These
will
basis
functional
discovery
deliver
next
generation
modern
cultivars.
Nature Genetics,
Journal Year:
2020,
Volume and Issue:
52(5), P. 525 - 533
Published: April 20, 2020
Abstract
Polyploidy
is
an
evolutionary
innovation
for
many
animals
and
all
flowering
plants,
but
its
impact
on
selection
domestication
remains
elusive.
Here
we
analyze
genome
evolution
diversification
five
allopolyploid
cotton
species,
including
economically
important
Upland
Pima
cottons.
Although
these
polyploid
genomes
are
conserved
in
gene
content
synteny,
they
have
diversified
by
subgenomic
transposon
exchanges
that
equilibrate
size,
rate
heterogeneities
positive
between
homoeologs
within
among
lineages.
These
differential
trajectories
accompanied
gene-family
homoeolog
expression
divergence
Selection
drive
parallel
similarities
fibers
of
two
cultivated
cottons,
involving
coexpression
networks
N
6
-methyladenosine
RNA
modifications.
Furthermore,
polyploidy
induces
recombination
suppression,
which
correlates
with
altered
epigenetic
landscapes
can
be
overcome
wild
introgression.
genomic
insights
will
empower
efforts
to
manipulate
genetic
modify
target
genes
crop
improvement.
The Plant Journal,
Journal Year:
2018,
Volume and Issue:
97(1), P. 148 - 163
Published: Dec. 13, 2018
Summary
Salt
stress
limits
the
productivity
of
crops
grown
under
saline
conditions,
leading
to
substantial
losses
yield
in
soils
and
brackish
irrigation.
tolerant
could
alleviate
these
while
both
increasing
irrigation
opportunities
reducing
agricultural
demands
on
dwindling
freshwater
resources.
However,
despite
significant
efforts,
progress
towards
this
goal
has
been
limited,
largely
because
genetic
complexity
salt
tolerance
for
agronomically
important
yield‐related
traits.
Consequently,
focus
is
shifting
study
traits
that
contribute
overall
tolerance,
thus
breaking
down
into
components
are
more
genetically
tractable.
Greater
consideration
plasticity
mechanisms
throughout
development
across
environmental
conditions
furthers
dissection.
The
demand
sophisticated
comprehensive
methodologies
being
met
by
parallel
advances
high‐throughput
phenotyping
sequencing
technologies
enabling
multivariate
characterisation
vast
germplasm
Alongside
steady
improvements
statistical
genetics
models,
forward
approaches
elucidating
gaining
momentum.
Subsequent
quantitative
trait
locus
gene
validation
also
become
accessible,
most
recently
through
advanced
techniques
molecular
biology
genomic
analysis,
facilitating
translation
findings
field.
Besides
fuelling
improvement
established
crop
species,
facilitates
domestication
naturally
orphan
crops.
Taken
together,
herald
a
promising
era
discovery
research
plants.
Journal of Experimental Botany,
Journal Year:
2017,
Volume and Issue:
68(11), P. 2641 - 2666
Published: April 7, 2017
As
one
of
the
important
concepts
in
conventional
quantitative
genetics
and
breeding,
genetic
gain
can
be
defined
as
amount
increase
performance
that
is
achieved
annually
through
artificial
selection.
To
develop
pro
ducts
meet
increasing
demand
mankind,
especially
for
food
feed,
addition
to
various
industrial
uses,
breeders
are
challenged
enhance
potential
continuously,
at
ever
higher
rates,
while
they
close
gaps
remain
between
yield
breeders'
demonstration
trials
actual
farmers'
fields.
Factors
affecting
include
variation
available
breeding
materials,
heritability
traits
interest,
selection
intensity,
time
required
complete
a
cycle.
Genetic
improved
enhancing
closing
gaps,
which
has
been
evolving
complemented
with
modern
techniques
platforms,
mainly
driven
by
molecular
genomic
tools,
combined
agronomic
practice.
Several
key
strategies
reviewed
this
article.
Favorable
unlocked
created
approaches
including
mutation,
gene
mapping
discovery,
transgene
genome
editing.
Estimation
refining
field
experiments
well-controlled
precisely
assayed
environmental
factors
or
envirotyping,
particularly
understanding
controlling
spatial
heterogeneity
level.
Selection
intensity
significantly
heightened
improvements
scale
precision
genotyping
phenotyping.
The
cycle
shortened
accelerating
procedures
integrated
such
marker-assisted
doubled
haploid
development.
All
other
widely
used
programs
gain.
More
transdisciplinary
approaches,
team
will
address
challenge
maintaining
plentiful
safe
supply
future
generations.
New
opportunities
gain,
high
efficiency
pipeline,
broad-sense
also
discussed
prospectively.
Trends in Plant Science,
Journal Year:
2019,
Volume and Issue:
25(2), P. 148 - 158
Published: Nov. 29, 2019
The
pangenome
provides
genomic
variations
in
the
cultivated
gene
pool
for
a
given
species.
However,
as
crop's
comprises
many
species,
especially
wild
relatives
with
diverse
genetic
stock,
here
we
suggest
using
accessions
from
all
available
species
of
genus
development
more
comprehensive
and
complete
pangenome,
which
refer
to
super-pangenome.
super-pangenome
variation
repertoire
offers
unprecedented
opportunities
crop
improvement.
This
opinion
article
focuses
on
recent
developments
pangenomics,
need
that
should
include
its
application
Trends in Plant Science,
Journal Year:
2018,
Volume and Issue:
23(3), P. 184 - 186
Published: Feb. 7, 2018
'Speed
breeding'
enables
scientists
to
exploit
gene
bank
accessions
and
mutant
collections
for
an
unparalleled
rapid
discovery
deployment.
Combining
speed
breeding
other
leading-edge
plant
technologies
with
strategic
global
partnerships,
has
the
potential
achieve
genetic
gain
targets
required
deliver
our
future
crops.