CABI Reviews,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Nov. 16, 2022
Abstract
Drought
is
by
far
one
of
the
main
agricultural
problems
affecting
crop
production
worldwide,
generating
even
more
economic
losses
than
all
biotic
factors
combined.
Humankind
has
pursued
improvement
crops
to
enhance
plant
productivity
under
water-limiting
conditions
since
dawn
agriculture,
initially
through
conventional
breeding
and
recently,
using
tools
such
as
transgenesis
gene
editing.
Among
editing
techniques,
clustered
regularly
interspaced
short
palindromic
repeats
(CRISPR)/CRISPR-associated
(Cas)
system
seen
a
boom
in
breeding,
thus,
contributing
improve
tolerance
abiotic
stresses.
This
review
provides
broad
view
drought
mechanisms.
The
molecular
mediating
this
complex
quantitative
trait
biochemical
mechanisms
related
drought-tolerant
phenotypes
are
described.
Likewise,
confer
tolerance,
limitations,
further
direction
technique
with
CRISPR/Cas
discussed.
Considerations
about
epigenetics
mentioned
new
emerging
mechanism
understand
memory
stress
its
possible
application
obtain
stress-tolerant
via
genome
Genes,
Journal Year:
2023,
Volume and Issue:
14(6), P. 1284 - 1284
Published: June 17, 2023
In
the
scenario
of
climate
change,
availability
genetic
resources
for
tomato
cultivation
that
combine
improved
nutritional
properties
and
more
tolerance
to
water
deficiency
is
highly
desirable.
Within
this
context,
molecular
screenings
Red
Setter
cultivar-based
TILLING
platform
led
isolation
a
novel
lycopene
ε-cyclase
gene
(SlLCY-E)
variant
(G/3378/T)
produces
modifications
in
carotenoid
content
leaves
fruits.
leaf
tissue,
G/3378/T
SlLCY-E
allele
enhances
β,β-xanthophyll
at
expense
lutein,
which
decreases,
while
ripe
fruit
mutation
induces
significant
increase
total
content.
Under
drought
stress
conditions,
plants
produce
abscisic
acid
(ABA)
still
conserve
their
profile
(reduction
lutein
content).
Furthermore,
under
said
mutant
grow
much
better
are
tolerant
stress,
as
revealed
by
digital-based
image
analysis
vivo
monitoring
OECT
(Organic
Electrochemical
Transistor)
sensor.
Altogether,
our
data
indicate
allelic
valuable
resource
can
be
used
developing
new
varieties,
enriched
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Oct. 11, 2023
Sugarcane
(Saccharum
spp.)
is
an
important
cash
crop,
and
drought
factors
limiting
its
yield.
To
study
the
resistance
mechanism
of
sugarcane,
transcriptomes
two
sugarcane
varieties
with
different
levels
were
compared
under
water
shortage
levels.
The
results
showed
that
significantly
different.
differentially
expressed
genes
enriched
in
starch
sucrose
metabolism,
linoleic
acid
glycolysis/gluconeogenesis,
glyoxylate
dicarboxylate
metabolic
pathways.
Unique
trend
variety
strong
(F172)
photosynthesis,
mitogen-activated
protein
kinases
signaling
pathway,
biosynthesis
various
plant
secondary
metabolites,
cyanoamino
metabolism
Weighted
correlation
network
analysis
indicated
blue4
plum1
modules
correlated
conditions,
whereas
tan
salmon4
variety.
unique
F172
mapped
to
module
purine
beta-alanine
photosynthesis-antenna
proteins,
hormone
signal
transduction
expression
involved
photosynthesis
pathways
decreased
response
deficit,
indicating
reducing
might
be
a
means
for
respond
stress.
this
provide
insights
into
mechanisms
plants,
related
identified
may
helpful
breeding
future.
Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(9), P. 985 - 985
Published: Sept. 18, 2024
When
applied
under
abiotic
stress
conditions,
triacontanol
(TRIA)
is
effective
in
regulating
the
physicochemical
processes
plants
through
mechanisms
of
defence
such
as
abscisic
acid
(ABA)
signalling.
However,
TRIA’s
role
relation
to
ABA
and
stomatal
opening
unclear.
Therefore,
objective
this
study
was
evaluate
effects
TRIA
their
combinations
on
different
variables
related
regulation
Solanum
lycopersicum,
which
subjected
drought
stress,
leaf
epidermis.
The
negative
responses
triggered
by
were
reversed
treated
with
TRIA.
increased
conductance
photosynthetic
activity
early
hours,
it
determined
that
produced
larger
stomata
than
did
other
treatments.
Moreover,
chloroplasts
significantly
smaller
more
numerous
those
control,
could
improve
CO2
diffusion
efficiency
may
be
photosynthesis.
Finally,
abaxial
epidermis
tests
reaffirmed
inhibitory
opening.
These
results
confirm
important
various
ABA,
regulation.
Plant Direct,
Journal Year:
2024,
Volume and Issue:
8(12)
Published: Dec. 1, 2024
Abstract
Grafting
is
a
technique
that
involves
attaching
rootstock
to
the
aerial
part
of
another
genotype
or
species
(scion),
leading
improved
crop
performance
and
sustainable
growth.
The
ability
tolerate
abiotic
stresses
depends
on
cell
membrane
stability,
reduction
in
electrolyte
leakage,
scion
chosen.
This
external
mechanism,
grafting,
serves
as
beneficial
tool
influencing
by
combining
nutrient
uptake
translocation
shoots,
promoting
plant
growth,
enhancing
potential
yield
both
fruit
vegetable
crops.
helps
enhance
production
improve
capacity
plants
utilize
water
when
undergoing
stress,
particularly
genotypes
produce
high
yields
upon
rootstocks
are
capable
decreasing
impact
drought
stress
shoot.
plays
pivotal
role
establishing
grafted
forming
union
between
graft
rootstock.
process
characterized
its
integrative,
reciprocal
nature,
enabling
conditions.
has
been
shown
alleviate
overproduction
lipid
peroxidation
reactive
oxygen
leaves
roots
tolerance
maintaining
antioxidant
enzyme
activities
stress‐responsive
gene
expression.
Phytohormones,
such
cytokinin,
auxin,
gibberellin,
play
critical
rootstock‐scion
interactions.
review
unveils
grafting
mitigating
various
environmental
stressors,
establishment
robust
junction,
physiology
communication,
mechanism
underlying
influence,
hormonal
regulations
utilization
agri‐bots
perfect
healing
further
cultivation
crops
through
grafting.
Deleted Journal,
Journal Year:
2022,
Volume and Issue:
60(2), P. 1 - 13
Published: May 8, 2022
This
study
was
conducted
to
analyze
the
osmotic
stress-induced
polymorphism
in
two
stress-responsive
genes
[TSW12
(non-specific
lipid
transfer
protein1)
and
TAS14
(abscisic
acid
environmental
stress-inducible
protein)]
of
somaclonal
variant
cells
tomato
(Lycopersicon
esculentum
L.).
The
were
subjected
sublethal
concentration
mannitol
(250
mM)
mutations
TSW12
investigated
by
PCR
using
specific
(upstream
downstream)
primers
for
each
gene.
amplification
products
sequenced
uncover
mutations.
Mutation
effect
on
protein
structure
function
predicted
SIFT
PolyPhen-2,
PANTHER,
PredictSNP
tools.
results
showed
nine
TAS
14
(6
3,
respectively),
7/9
SNPs
while
other
are
frameshift
Among
them,
a
couple
novel;
104C>T
146G>C
TAS14.
Prediction
analysis
3D
amino
acids
that
most
benign.
subjection
drought
stress
resulted
slight
genetic
modifications
responsive
genes,
therefore,
neglected
changes
corresponding
proteins.
result
demonstrated
reported
examined
may
have
minimal
role
these
controlling
injury
tomato.
International Journal of Plant Biology,
Journal Year:
2024,
Volume and Issue:
15(4), P. 1391 - 1404
Published: Dec. 23, 2024
Drought
is
among
the
stress
factors
that,
on
a
global
scale,
have
direct
negative
effects
plant
growth,
yield,
and
quality.
Great
efforts
are
directed
towards
water
shortage
adaptation.
Exploring
genetic
diversity
of
landraces
often
tolerant
to
locally
occurring
can
represent
valuable
source
for
development
cultivars
with
yield
stability
improved
quality
under
conditions.
This
study
aimed
identify
drought-tolerant
tomato
based
an
integrated
approach
involving
morphological
traits
physiological
parameters.
To
investigate
deficit,
five
two
controls
were
tested
optimum
50%
reduced
irrigation.
Yield
yield-related
traits,
color,
firmness,
chlorophyll
fluorescence
measurements
evaluated.
The
summarized
results
indicated
that
differed
in
their
responses
deficit.
Water
deficit
decreased
by
44%
average
fruit
weight
29%.
Physiological
parameters
also
significantly
affected
scarcity,
decrease
ratios
Fv/Fm
(the
maximum
quantum
PSII)
Fv/Fo
primary
photochemistry)
8.2%
35.5%,
respectively,
at
14
days’
exposure
stress.
Landrace
1352,
characterized
indeterminate
growth
habit
large,
rounded,
red-colored
fruits,
showed
lower
reduction
irrigation
could
be
used
breeding
programs
develop
new
lines
combining
resistance
CABI Reviews,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Nov. 16, 2022
Abstract
Drought
is
by
far
one
of
the
main
agricultural
problems
affecting
crop
production
worldwide,
generating
even
more
economic
losses
than
all
biotic
factors
combined.
Humankind
has
pursued
improvement
crops
to
enhance
plant
productivity
under
water-limiting
conditions
since
dawn
agriculture,
initially
through
conventional
breeding
and
recently,
using
tools
such
as
transgenesis
gene
editing.
Among
editing
techniques,
clustered
regularly
interspaced
short
palindromic
repeats
(CRISPR)/CRISPR-associated
(Cas)
system
seen
a
boom
in
breeding,
thus,
contributing
improve
tolerance
abiotic
stresses.
This
review
provides
broad
view
drought
mechanisms.
The
molecular
mediating
this
complex
quantitative
trait
biochemical
mechanisms
related
drought-tolerant
phenotypes
are
described.
Likewise,
confer
tolerance,
limitations,
further
direction
technique
with
CRISPR/Cas
discussed.
Considerations
about
epigenetics
mentioned
new
emerging
mechanism
understand
memory
stress
its
possible
application
obtain
stress-tolerant
via
genome
