Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 22, 2024
Soil
water
deficit
(WD)
significantly
impacts
plant
survival
and
crop
yields.
Many
gaps
remain
in
our
understanding
of
the
synergistic
coordination
between
molecular
ecophysiological
responses
delaying
substantial
drought-induced
effects
on
growth.
To
investigate
this
synergism
tomato
leaves,
we
combined
molecular,
ecophysiological,
anatomical
methods
to
examine
gene
expression
patterns
physio-anatomical
characteristics
during
a
progressing
WD
experiment.
Four
sampling
points
were
selected
for
transcriptomic
analysis
based
key
leaves:
4
5
days
after
(d-WD),
corresponding
10%
90%
decrease
leaf
stomatal
conductance;
8
d-WD,
wilting
point;
10
when
air
embolism
blocks
12%
xylem
transport.
At
upregulated
genes
mostly
linked
ABA-independent
responses,
with
larger-scale
ABA-dependent
occurring
at
d-WD.
observed
an
upregulation
heat
shock
transcription
factors,
two
later
(10
d-WD),
found
strong
oxidative
stress
factors.
Finally,
that
young
leaves
present
stronger
dehydration
tolerance
than
mature
same
drought
intensity
level,
presumably
because
upregulate
related
increased
callose
deposition
resulting
limiting
loss
phloem,
cell
rigidity
by
modifying
wall
structures.
This
dataset
will
serve
as
framework
future
studies
aim
obtain
more
holistic
response
level.
Plant Stress,
Journal Year:
2024,
Volume and Issue:
12, P. 100429 - 100429
Published: March 12, 2024
The
environmental
conditions
encompassing
plants
exert
a
significant
impact
on
their
appropriate
growth
and
development.
It
is
of
utmost
importance
to
investigate
the
mechanisms
signaling
cascades
underlying
tolerance
abiotic
stress
in
order
enhance
quality
crops.
Plant
development
processes
are
significantly
impacted
by
stresses,
which
intricately
linked
surroundings.
Plants
exhibit
prompt
genetic
metabolic
network
responses,
mostly
through
networks
involving
transcription
factors
that
respond
stress,
including
WRKY,
MYB,
bZIP,
AP2/EREBP,
NAC.
Among
these
WRKY
TFs
factors,
fulfill
pivotal
function
diverse
range
responses
developmental
mechanisms.
greatly
assist
coping
with
stress.
These
oversee
control
several
target
gene
categories
active
involvement
numerous
interaction
W-box
cis-acting
elements
located
promoters
genes.
This
research
provides
comprehensive
analysis
response
mechanism
In
addition,
we
have
explored
state
knowledge
TFs'
effects
plants'
such
as
drought,
salt,
high
temperatures,
cold.
elucidates
intricate
molecular
govern
pathways
modulate
expression,
thereby
conferring
upon
plants.
Moreover,
summarized
involved
biotic
TFs,
hormonal
routes
like
SA
JA,
aid
inducing
resistance
coordinating
defense
against
pathogens
challenges.
agricultural
sustainability
augment
crop
resilience
towards
strategies
manipulate
regulatory
need
be
established.
Plant Stress,
Journal Year:
2024,
Volume and Issue:
13, P. 100526 - 100526
Published: June 28, 2024
The
WRKY
gene
family
consists
of
unique
transcription
factors
(TFs)
found
exclusively
in
plants.
These
TFs
play
a
crucial
role
regulating
how
plants
respond
to
various
abiotic
stresses,
such
as
saline-alkaline
conditions,
temperature
fluctuations,
drought,
UV
radiation
and
others.
Scientists
have
been
progressively
studying
the
roles
mechanisms
several
plant
species,
including
both
model
essential
agricultural
crops.
This
study
focus
has
emerged
due
understanding
that
alkaline
saline
soil
stressors
considerably
impede
global
productivity.
Multiple
research
efforts
underscored
significant
biological
functions
assisting
coping
with
challenges,
particularly
enhancing
their
ability
withstand
alkaline-salt
stress.
review
aims
investigate
structural
capabilities
impact
on
responses
salt
stresses.
Additionally,
it
seeks
elucidate
these
alleviating
diverse
biotic
stressors.
objective
this
is
provide
comprehensive
insights
into
current
state
field
importance
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(4), P. 2187 - 2187
Published: Feb. 11, 2024
Drought
stress
is
a
major
abiotic
factor
affecting
tomato
production
and
fruit
quality.
However,
the
genes
metabolites
associated
with
responses
to
water
deficiency
rehydration
are
poorly
characterized.
To
identify
functional
key
metabolic
pathways
underlying
drought
recovery,
drought-susceptible
drought-tolerant
inbred
lines
underwent
transcriptomic
metabolomic
analyses.
A
total
of
332
drought-responsive
491
rehydration-responsive
core
were
robustly
differentially
expressed
in
both
genotypes.
The
mainly
related
photosynthesis–antenna
proteins,
nitrogen
metabolism,
plant–pathogen
interactions,
MAPK
signaling
pathway.
Various
transcription
factors,
including
homeobox-leucine
zipper
protein
ATHB-12,
NAC
29,
heat
A-6b-like,
may
be
vital
for
status.
Moreover,
24,30-dihydroxy-12(13)-enolupinol,
caffeoyl
hawthorn
acid,
adenosine
5′-monophosphate,
guanosine
identified
genotypes
under
recovery
conditions.
combined
analysis
highlighted
importance
38
involved
pathways,
biosynthesis
secondary
metabolites,
amino
acids,
ABC
transporters
stress.
Our
results
provide
valuable
clues
regarding
molecular
basis
tolerance
rehydration.
data
presented
herein
relevant
genetically
improving
tomatoes
enhance
tolerance.
Food Research International,
Journal Year:
2024,
Volume and Issue:
194, P. 114897 - 114897
Published: Aug. 10, 2024
Cherry
tomatoes
(Solanum
lycopersicum
var.
cerasiforme)
are
cultivated
and
consumed
worldwide.
While
numerous
cultivars
have
been
bred
to
enhance
fruit
quality,
few
studies
comprehensively
evaluated
the
quality
of
cherry
tomato
cultivars.
In
this
study,
we
assessed
fruits
five
(Qianxi,
Fengjingling,
Fushan88,
Yanyu,
Qiyu)
at
red
ripe
stage
through
detailed
analysis
their
physical
traits,
mineral
compositions,
antioxidant
contents,
metabolite
profiles.
Significant
variations
were
observed
among
in
terms
size,
shape,
firmness,
weight,
glossiness,
sepal
length,
with
each
cultivar
displaying
unique
attributes.
Mineral
revealed
distinct
patterns
essential
trace
element
accumulation,
notable
differences
calcium,
sodium,
manganese,
selenium
concentrations.
Fenjingling
was
identified
as
a
enriched
cultivar.
Analysis
contents
highlighted
Yanyu
particularly
rich
vitamin
C
having
elevated
enzyme
activities.
Metabolomics
total
number
3,396
annotated
metabolites,
showed
metabolomics
Amino
acid
Fushan88
possess
superior
profile,
while
sweetness
tartness
assessments
indicated
that
exhibited
higher
soluble
solids
(TSS)
acidity.
Notably,
(Fushan88,
accumulated
significantly
levels
eugenol
α-tomatine,
compounds
associated
undesirable
flavors,
compared
pink
(Qianxi
Fengjingling).
Taken
together,
our
results
provide
novel
insights
into
nutritional
value,
flavor-associated
metabolites
tomatoes,
offering
knowledge
could
be
implemented
for
breeding,
cultivation,
marketing
Plants,
Journal Year:
2023,
Volume and Issue:
13(1), P. 27 - 27
Published: Dec. 21, 2023
Within
the
framework
of
preserving
and
valorizing
rich
grapevine
germplasm
Epirus
region
Greece,
indigenous
(Vitis
vinifera
L.)
cultivars
were
characterized
assessed
for
their
resilience
to
abiotic
stresses
in
context
climate
change.
The
‘Debina’
‘Dichali’
displayed
significant
differences
response
drought
stress
as
judged
by
morpho-physiological
analysis,
indicating
higher
tolerance
Dichali.
Hence,
they
selected
further
study
aiming
identify
genetic
epigenetic
mechanisms
possibly
regulating
adaptability.
Specifically,
self-rooted
heterografted
on
‘Richter
110’
rootstock
plants
subjected
two
phases
with
a
recovery
period
between.
Gene
expression
analysis
was
performed
stress-related
miRNAs
target
genes:
(a)
miRNA159
putative
targets,
VvMYB101,
VvGATA-26-like,
VvTOPLESS-4-like
(b)
miRNA156
gene
VvCONSTANS-5.
Overall,
grafted
exhibited
than
plants,
suggesting
beneficial
rootstock–scion
interactions.
Comparative
revealed
differential
under
repetitive
between
well
plants.
an
up-regulation
most
genes
examined,
which
may
be
associated
increased
tolerance.
Nevertheless,
profound
down-regulation
(a
transcriptional
co-repressor
transcription
factors)
upon
concomitant
highlights
importance
this
‘miRNA-target’
module
responsiveness.
DNA
methylation
profiling
using
MSAP
patterns
genotypes
drought.
Further
investigations
will
contribute
our
understanding
underlying
stress.
Biology,
Journal Year:
2024,
Volume and Issue:
13(12), P. 1076 - 1076
Published: Dec. 20, 2024
The
Solanaceae
family,
which
includes
vital
crops
such
as
tomatoes,
peppers,
eggplants,
and
potatoes,
is
increasingly
impacted
by
drought
due
to
climate
change.
Recent
research
has
concentrated
on
unraveling
the
molecular
mechanisms
behind
resistance
in
these
crops,
with
a
focus
abscisic
acid
(ABA)
signaling
pathways,
transcription
factors
(TFs)
like
MYB
(Myeloblastosis),
WRKY
(WRKY
DNA-binding
protein),
NAC
(NAM,
ATAF1/2,
CUC2-
NAM:
No
Apical
Meristem,
CUC2:
Cup-shaped
Cotyledon),
omics
approaches.
Moreover,
transcriptome
sequencing
(RNA-seq)
been
instrumental
identifying
differentially
expressed
genes
(DEGs)
crucial
for
adaptation.
Proteomics
studies
further
reveal
changes
protein
expression
under
conditions,
elucidating
stress
response
mechanisms.
Additionally,
microRNAs
(miRNAs)
have
identified
key
regulators
response.
Advances
proteomics
transcriptomics
highlighted
proteins
that
respond
stress,
offering
new
insights
into
tolerance.
To
address
challenge
of
drought,
future
should
emphasize
development
drought-resistant
varieties
through
precision
breeding
techniques
gene
editing,
marker-assisted
selection
(MAS),
integration
artificial
intelligence.
adoption
environmentally
sustainable
cultivation
practices,
including
irrigation
use
anti-drought
agents,
improving
water-use
efficiency
crop
resilience.
International
collaboration
data
sharing
will
be
essential
accelerate
progress
ensure
global
food
security
arid
conditions.
These
efforts
enable
adapt
challenges
posed
change,
ensuring
their
productivity
sustainability.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 5, 2024
Abstract
Soil
water
deficit
(WD)
is
one
of
the
most
important
abiotic
stresses
affecting
plant
survival
and
crop
yield.
Despite
its
economic
relevance,
many
gaps
remain
in
our
understanding
how
crops
respond
to
WD,
especially
concerning
synergistic
coordination
molecular
ecophysiological
adaptations
delaying
damage
mortality.
In
this
study,
we
investigated
gene
expression
imposed
by
a
progressive
WD
combined
it
with
measurements
pointing
key
thresholds
leaves
tomato
plants.
We
uncovered
transcriptomic
changes
mature
at
four
stages
defined
physiological
markers
relating
different
intensities:
partial
stomatal
closure,
complete
after
leaf
wilting,
beginning
embolism
development
veins.
By
identifying
transcription
factors
(TFs)
across
these
progressively
worsening
stages,
timing
impact
ABA-(in)dependent
regulatory
pathways
during
WD.
addition,
compared
transcriptome
young
developing
versus
explored
mechanisms
that
may
explain
higher
tolerance
dehydration
younger
leaves.
correlating
precise
measurements,
dataset
will
serve
as
framework
for
future
studies
comparing
responses
specific
intensities.
Highlight
Integrated
analyses
identify
underlying