International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(16), P. 8761 - 8761
Published: Aug. 12, 2024
Oil
palm
(Elaeis
guineensis
Jacq.)
is
a
highly
productive
crop
economically
significant
for
food,
cosmetics,
and
biofuels.
Abiotic
stresses
such
as
low
water
availability,
salt
accumulation,
high
temperatures
severely
impact
oil
growth,
physiology,
yield
by
restricting
flux
among
soil,
plants,
the
environment.
While
drought
stress’s
physiological
biochemical
effects
on
have
been
extensively
studied,
molecular
mechanisms
underlying
stress
tolerance
remain
unclear.
Under
deficit
conditions,
this
study
investigates
two
commercial
E.
cultivars,
IRHO
7001
2501.
Water
adversely
affected
physiology
of
both
with
2501
being
more
impacted.
After
several
days
deficit,
there
was
40%
reduction
in
photosynthetic
rate
(A)
58%
decrease
Further
into
75%
A
91%
drop
Both
cultivars
reacted
to
conditions
closing
stomata
reducing
transpiration
rate.
Despite
these
differences,
no
variations
were
observed
between
stomatal
conductance,
transpiration,
or
instantaneous
leaf-level
use
efficiency.
This
indicates
that
tolerant
than
differential
gene
expression
network
analysis
conducted
elucidate
responses
cultivars.
The
DESeq2
algorithm
identified
502
differentially
expressed
genes
(DEGs).
coexpression
comprised
274
DEGs
46
predicted
HUB
genes,
whereas
2501’s
included
249
3
genes.
RT-qPCR
validation
15
confirmed
RNA-Seq
data.
transcriptomic
profiles
revealed
set
associated
regulatory
transcriptional
functions.
Notably,
zinc
finger
protein
ZAT11
linoleate
13S-lipoxygenase
2-1
(LOX2.1)
overexpressed
but
under-expressed
7001.
Additionally,
phytohormone
crosstalk
central
component
response
adaptation
stress.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 23, 2024
Lignin
is
a
phenolic
heteropolymer
found
in
most
terrestrial
plants
that
contributes
an
essential
role
plant
growth,
abiotic
stress
tolerance,
and
biotic
resistance.
Recent
research
grass
lignin
biosynthesis
has
differences
compared
to
dicots
such
as
Arabidopsis
thaliana
.
For
example,
the
prolific
incorporation
of
hydroxycinnamic
acids
into
secondary
cell
walls
improve
structural
integrity
vascular
elements
via
covalent
crosslinking.
Conversely,
fundamental
monolignol
chemistry
conserves
mechanisms
translocation
polymerization
across
phylum.
Emerging
evidence
suggests
compositions
contribute
periods
often
alter
cereal
hinder
pathogenesis.
This
same
recalcitrance
also
inhibits
industrial
valorization
biomass,
making
alterations
reductions
field
research.
review
presents
update
biosynthesis,
translocation,
polymerization,
highlights
how
lignified
development
responses,
briefly
addresses
genetic
engineering
strategies
may
benefit
applications.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(10), P. 2421 - 2421
Published: Oct. 19, 2024
Plants
encounter
various
stresses
in
their
natural
environments
and
can
effectively
respond
to
only
one
stress
at
a
time.
Through
complex
gene
network,
transcription
factors
(TFs)
such
as
WRKY
TFs
regulate
diverse
array
of
responses.
The
clarification
the
structural
characteristics
proteins,
along
with
recent
advancements
molecular
dynamics
simulations,
has
shed
light
on
formation,
stability,
interactions
DNA–protein
complexes.
This
provided
novel
viewpoint
regarding
control
TFs.
investigation
superfamilies,
encompassing
historical
development,
diversity,
evolutionary
patterns,
become
feasible
due
transcriptome
approach’s
capacity
provide
extensive
comprehensive
transcripts.
significance
lies
pivotal
role
within
several
signaling
cascades
regulatory
networks
that
influence
plant
defense
present
review
summarizes
functional
aspects
high-volume
sequence
data
from
different
species
studied
date.
Moreover,
comparative
analysis
approach
was
utilized
determine
functions
identified
response
both
abiotic
biotic
stresses,
revealed
through
numerous
studies
species.
results
this
will
be
understanding
events
context
climate
change,
incorporating
new
scientific
evidence
propose
an
innovative
viewpoint.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: July 29, 2024
Drought
stress
poses
a
significant
risk
to
soybean
production,
as
it
relies
on
optimum
rainfall
under
rainfed
conditions.
Exposure
brief
dry
periods
during
early
vegetative
growth
impacts
and
development.
Choosing
genotype
that
can
withstand
with
minimal
impact
physiology
might
help
sustain
biomass
or
yields
low
Therefore,
this
study
characterized
64
genotypes
for
traits
associated
drought
tolerance
the
stage
two
soil
moisture
treatments,
100%
evapotranspiration
(well-watered)
50%
(drought),
using
Soil-Plant-Atmosphere
Research
(SPAR)
units.
Eighteen
morpho-physiological
responses
were
assessed,
their
relationship
was
investigated.
significantly
increased
root
weight,
volume,
root-to-shoot
ratio
but
reduced
shoot
weight.
Drought-stressed
plants
canopy
temperature
by
3.1
°C.
Shoot
weight
positively
correlated
surface
area
(r
=
0.52,
P
<
0.001)
0.65,
0.001).
There
strong
negative
correlation
between
(P
0.01).
Further,
combined
response
index
strongly
weakly
physiological
index.
These
findings
suggest
(S55-Q3
R2C4775)
high
above-ground
balanced
improves
vegetative.
could
serve
valuable
genetic
resources
dissect
molecular
networks
underlying
ultimately
be
used
in
breeding
programs
improve
ability
at
stage.
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(4), P. 798 - 798
Published: March 24, 2025
Global
climate
change
predictions
point
to
an
increase
in
the
frequency
of
droughts
and
floods,
which
are
a
huge
challenge
food
production.
During
crop
evolution,
different
mechanisms
for
drought
resilience
have
emerged,
studies
suggest
that
roots
can
be
important
key
understanding
these
mechanisms.
However,
knowledge
is
still
scarce,
being
fundamental
its
exploitation.
Plant-based
protein,
especially
grain
legume
crops,
will
crucial
meeting
demand
affordable
healthy
due
their
high
protein
content.
In
addition,
legumes
unique
ability
biological
nitrogen
fixation
(BNF)
through
symbiosis
with
bacteria,
contributes
sustainable
agriculture.
The
exploitation
root
phenotyping
techniques
step
toward
selecting
more
resilient
genotypes.
Different
methodologies
available
phenotyping,
including
paper
pouch
approach,
rhizotrons
semi-hydroponic
system.
Additionally,
imaging
been
employed
assess
traits.
This
review
provides
overview
system
architecture
(RSA)
legumes,
role
stress
approaches
useful
identification
accessions
water
stress.
Consequently,
this
mitigating
effects
improving
Physiologia Plantarum,
Journal Year:
2025,
Volume and Issue:
177(2)
Published: March 1, 2025
Abstract
Tree
species
grown
at
high
altitudes
experience
significantly
greater
stress
than
those
lower
altitudes.
A
notable
example
is
Abies
koreana
,
a
conifer
recently
classified
as
endangered
due
to
decline
in
normal
seedling
distribution
within
Korean
natural
forests.
While
several
hypotheses
have
been
proposed
explain
this
phenomenon,
the
underlying
causes
remain
unclear.
Recent
studies
highlight
that
forest
tree
are
increasingly
vulnerable
flash
drought
(FD)
events.
However,
it
still
unknown
whether
intense
FD
event
affects
growth
and
of
high‐altitude
like
.
To
address
gap,
we
investigated
effects
on
root
carbon
allocation,
volatile
biosynthesis,
fatty
acid
modulation,
genome‐wide
modifications.
Exposure
three‐year‐old
A.
seedlings
primarily
disrupted
leaf
chlorophyll
likely
depletion
water
non‐structural
carbohydrates
(NSC)
transport
above‐ground
parts.
Additionally,
caused
severe
morphological
changes,
including
reductions
collar
diameter
along
with
cortical
senescence.
These
alterations
linked
transcriptomic
variations,
particularly
mRNA
decay
repression
genes
coding
for
ribosomal
proteins.
Seedlings
exposed
also
exhibited
increased
levels
abscisic
(ABA)
poly‐unsaturated
acids.
The
observed
patterns
molecular
mechanisms
FD‐treated
differed
from
control
mild
(MD)
treatments.
findings
suggest
conditions
trigger
rapid
reserve
gene
associated
structural
integrity,
potentially
leading
mortality
seedlings.