Agronomy,
Год журнала:
2025,
Номер
15(2), С. 500 - 500
Опубликована: Фев. 19, 2025
Searching
for
crop
cultivars
that
are
resilient
to
environmental
stresses
is
crucial
maintaining
global
agricultural
production.
Our
study
aimed
screen
semiarid-adapted
cotton
performing
well
under
water-restricted
conditions.
Trials
were
conducted
in
a
greenhouse
involving
six
(FM
911,
FM
912,
970,
974,
978,
and
985)
subjected
four
water
levels
(100,
80,
60,
40%
field
capacity—FC).
At
20
days
post-drought
imposition,
the
growth,
leaf
succulence,
osmotic
potential,
gas
exchanges,
photosynthetic
pigments,
lipid
peroxidation
measured.
Cotton
plants
showed
reduced
growth
exchanges
at
60%
40%,
displaying
elevated
sensibility
FC.
Under
FC,
970
985
exhibited
superior
dry
biomass,
area,
indicating
high
drought
tolerance.
978
displayed
higher
rates
of
net
photosynthesis,
transpiration,
stomatal
conductance,
chlorophyll
content
but
also
demonstrated
an
increased
peroxidation.
Additionally,
974
had
lowest
potential
values.
Field
capacity
represent
moderate
severe
conditions
cotton.
The
performance
attributed
pigment
accumulation
efficiency.
findings
suggest
water-saving
strategy
with
80%
FC
can
enhance
sustainable
production
identify
promising
cultivation
water-scarce
regions.
Journal of Integrative Plant Biology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 17, 2025
ABSTRACT
Plant
oils
play
a
crucial
role
in
human
nutrition,
industrial
applications
and
biofuel
production.
While
the
enzymes
involved
fatty
acid
(FA)
biosynthesis
are
well‐studied,
regulatory
networks
governing
these
processes
remain
largely
unexplored.
This
review
explores
intricate
modulating
seed
oil
biosynthesis,
focusing
on
key
pathways
factors.
Seed
content
is
determined
by
efficiency
of
de
novo
FA
synthesis
as
well
influenced
sugar
transport,
lipid
metabolism,
inhibitors
fine‐tuning
mechanisms.
At
center
this
network
WRINKLED1
(WRI1),
which
plays
conserved
promoting
across
various
plant
species.
WRI1
interacts
with
multiple
proteins,
its
expression
level
regulated
upstream
regulators,
including
members
LAFL
network.
Beyond
network,
we
also
discuss
potential
nuclear
factor‐Y
(NF‐Y)
soybean
an
emphasis
NF‐YA
NF‐YB
their
associated
proteins.
NF‐Y
represents
promising
avenue
for
future
efforts
aimed
at
enhancing
accumulation
improving
stress
tolerance
soybean.
Additionally,
application
omics‐based
approaches
great
significance.
Advances
omics
technologies
have
greatly
facilitated
identification
gene
resources,
opening
new
opportunities
genetic
improvement.
Importantly,
several
transcription
factors
participate
responses,
highlighting
link
between
two
processes.
comprehensive
elucidates
complex
mechanisms
underlying
regulation
offering
insights
into
biotechnological
strategies
production
crops.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(2), С. 769 - 769
Опубликована: Янв. 17, 2025
Alkaline
environments
such
as
alkaline
lands,
lakes,
and
industrial
wastewater
are
not
conducive
to
the
growth
of
plants
microorganisms
due
high
pH
salinity.
ChbZIP1
is
a
bZIP
family
transcription
factor
isolated
from
an
alkaliphilic
microalgae
(Chlorella
sp.
BLD).
Previous
studies
have
demonstrated
its
ability
enhance
tolerance
in
Arabidopsis
thaliana.
However,
potential
confer
similar
other
remains
unclear,
specific
mechanisms
fully
understood.
The
analysis
cellular
physiological
biochemical
indicators
revealed
that
transformants
exhibited
enhanced
photosynthetic
activity,
increased
lipid
accumulation,
reduced
fatty
acid
unsaturation.
Genes
associated
with
reactive
oxygen
species
(ROS)
detoxification
were
found
be
upregulated,
corresponding
increase
antioxidant
enzyme
activity
was
detected.
In
addition,
relative
abundance
intracellular
ROS
malondialdehyde
(MDA)
significantly
lower
transformants.
summary,
our
research
indicates
enhances
Chlamydomonas
reinhardtii
through
several
mechanisms,
including
repair
damaged
photosynthesis,
improved
unsaturation,
activity.
This
study
aims
contribute
more
comprehensive
understanding
underlying
alkalinity
offers
new
insights
theoretical
foundations
for
utilization
environments.
New Phytologist,
Год журнала:
2021,
Номер
232(2), С. 655 - 672
Опубликована: Июль 14, 2021
Summary
Heat
stress
is
a
major
environmental
threat
affecting
crop
growth
and
productivity.
However,
the
molecular
mechanisms
associated
with
plant
responses
to
heat
are
poorly
understood.
Here,
we
identified
stress‐sensitive
mutant,
hts1
,
in
rice.
HTS1
encodes
thylakoid
membrane‐localized
β‐ketoacyl
carrier
protein
reductase
(KAR)
involved
de
novo
fatty
acid
biosynthesis.
Phylogenetic
bioinformatic
analysis
showed
that
probably
originated
from
streptophyte
algae
evolutionarily
conserved
land
plants.
Thermostable
predominantly
expressed
green
tissues
strongly
induced
by
stress,
but
less
responsive
salinity,
cold
drought
treatments.
An
amino
substitution
at
A254T
causes
significant
decrease
KAR
enzymatic
activity
and,
consequently,
impairs
synthesis
lipid
metabolism
especially
under
stress.
Compared
wild‐type,
mutant
exhibited
heat‐induced
higher
H
2
O
accumulation,
larger
Ca
2+
influx
mesophyll
cells,
more
damage
membranes
chloroplasts.
Also,
disrupted
signaling
depresses
transcriptional
activation
of
HsfA2s
downstream
target
genes.
We
suggest
critical
for
underpinning
membrane
stability,
chloroplast
integrity
tolerance
New Phytologist,
Год журнала:
2022,
Номер
234(4), С. 1411 - 1429
Опубликована: Фев. 13, 2022
Summary
Tomato
varieties
resistant
to
the
bacterial
wilt
pathogen
Ralstonia
solanacearum
have
ability
restrict
movement
in
plant.
Inducible
vascular
cell
wall
reinforcements
seem
play
a
key
role
confining
R.
into
xylem
vasculature
of
tomato.
However,
type
compounds
involved
such
physico‐chemical
barriers
remain
understudied,
while
being
component
resistance.
Here
we
use
combination
histological
and
live‐imaging
techniques,
together
with
spectroscopy
gene
expression
analysis
understand
nature
‐induced
formation
coatings
We
describe
that
tomato
specifically
responds
infection
by
assembling
structural
barrier
formed
ligno‐suberin
coating
tyramine‐derived
hydroxycinnamic
acid
amides.
Further,
show
overexpressing
genes
pathway
commercial
susceptible
variety
restricts
inside
plant
slows
disease
progression,
enhancing
resistance
pathogen.
propose
induced
plants
does
not
only
pathogen,
but
may
also
prevent
degradation
confer
anti‐microbial
properties,
effectively
contributing
Crop
diseases
cause
enormous
yield
losses
and
threaten
global
food
security.
Deployment
of
resistant
cultivars
can
effectively
control
the
disease
to
minimize
crop
losses.
However,
high
level
genetic
immunity
was
often
accompanied
by
an
undesired
reduction
in
growth
yield.
Recently,
literatures
have
been
rapidly
emerged
understanding
mechanism
resistance
development
genes
plants.
To
determine
how
why
costs
likely
benefit
caused
varieties,
we
re-summarized
present
knowledge
about
crosstalk
between
plant
those
that
function
as
plasma
membrane
residents,
MAPK
cassette,
nuclear
envelope
(NE)
channels
components
pleiotropic
regulators.
Considering
growth-defense
tradeoffs
on
basis
current
advances,
finally,
try
understand
suggest
a
reasonable
balancing
strategies
based
interplay
with
should
be
considered
enhance
capacity
without
penalty
future
breeding.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
13
Опубликована: Янв. 31, 2023
Drought
stress
is
one
of
major
environmental
stresses
affecting
plant
growth
and
yield.
Although
Pinus
taeda
trees
are
planted
in
rainy
southern
China,
local
drought
sometime
occurs
can
last
several
months,
further
their
resin
production.
In
this
study,
P.
seedlings
were
treated
with
long-term
(42
d),
then
targeted
untargeted
metabolomics
analysis
carried
out
to
evaluate
tolerance
.
Targeted
showed
that
levels
some
sugars,
phytohormones,
amino
acids
significantly
increased
the
roots
needles
water-stressed
(WS)
seedlings,
compared
well-watered
(WW)
pine
seedlings.
These
metabolites
included
sucrose
roots,
phytohormones
abscisic
acid
sacylic
needles,
phytohormone
gibberellin
(GA4)
two
acids,
glycine
asparagine,
WS
roots.
Compared
WW
neurotransmitter
acetylcholine
but
reduced
The
neurotransmitters
L-glutamine
hydroxytyramine
respectively,
noradrenaline
Levels
unsaturated
fatty
or
such
as
linoleic
acid,
oleic
myristelaidic
myristoleic
palmitelaidic
erucic
alpha-linolenic
needles.
However,
three
saturated
i.e.,
dodecanoic
tricosanoic
heptadecanoic
Untargeted
especially
long-chain
lipids,
flavonoids,
terpenoids.
A
few
specific
greatly,
androsin,
piceatanol,
panaxatriol
Comparing
it
was
found
most
enriched
pathways
flavone
flavonol
biosynthesis,
ABC
transporters,
diterpenoid
hormone
signal
transduction,
flavonoid
biosynthesis;
tryptophan
metabolism,
caffeine
sesquiterpenoid
triterpenoid
biosynthesis
phenylalanine,
tyrosine,
tryptophan.
Under
stress,
own
characteristics,
new
found,
providing
a
guideline
for
breeding
drought-tolerant
cultivars
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Авг. 30, 2023
Root
exudates
comprise
various
primary
and
secondary
metabolites
that
are
responsive
to
plant
stressors,
including
drought.
As
increasing
drought
episodes
predicted
with
climate
change,
identifying
shifts
in
the
metabolome
profile
of
drought-induced
root
exudation
is
necessary
understand
molecular
interactions
govern
relationships
between
plants,
microbiomes,
environment,
which
will
ultimately
aid
developing
strategies
for
sustainable
agriculture
management.
This
study
utilized
an
aeroponic
system
simulate
progressive
recovery
while
non-destructively
collecting
cotton
(Gossypium
hirsutum)
exudates.
The
composition
collected
was
characterized
by
untargeted
metabolomics
using
Fourier-Transform
Ion
Cyclotron
Resonance
Mass
Spectrometry
(FT-ICR
MS)
mapped
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
databases.
Over
700
unique
were
identified
throughout
water-deficit
phase.
Potential
KEGG
pathways
modules
associated
biosynthesis
flavonoid
compounds,
hormones
(abscisic
acid
jasmonic
acid),
other
highly
induced
under
severe
drought,
but
not
at
wilting
point.
Additionally,
precursors
these
metabolites,
such
as
amino
acids
(phenylalanine
tyrosine),
phenylpropanoids,
carotenoids,
also
mapped.
potential
biochemical
transformations
further
calculated
data
generated
FT-ICR
MS.
Under
stress,
highest
number
transformations,
methylation,
ethyl
addition,
oxidation/hydroxylation,
identified,
many
known
reactions
some
pathways.
With
application
MS,
we
revealed
dynamics
response
providing
valuable
information
drought-tolerance
cotton.