Flavonoids as key players in cold tolerance: molecular insights and applications in horticultural crops
Horticulture Research,
Год журнала:
2025,
Номер
12(4)
Опубликована: Янв. 2, 2025
Abstract
Cold
stress
profoundly
affects
the
growth,
development,
and
productivity
of
horticultural
crops.
Among
diverse
strategies
plants
employ
to
mitigate
adverse
effects
cold
stress,
flavonoids
have
emerged
as
pivotal
components
in
enhancing
plant
resilience.
This
review
was
written
systematically
highlight
critical
role
tolerance,
aiming
address
increasing
need
for
sustainable
practices
under
climate
stress.
We
provide
a
comprehensive
overview
tolerance
crops,
emphasizing
their
biosynthesis
pathways,
molecular
mechanisms,
regulatory
aspects
conditions.
discuss
how
act
antioxidants,
scavenging
reactive
oxygen
species
(ROS)
generated
during
they
regulate
gene
expression
by
modulating
stress-responsive
genes
pathways.
Additionally,
we
explore
application
through
genetic
engineering
breeding
strategies,
offering
insights
into
practical
interventions
improving
crop
Despite
significant
advances,
research
gap
remains
understanding
precise
mechanisms
which
specific
confer
resistance,
especially
across
different
species.
By
addressing
current
knowledge
gaps,
proposing
future
directions
highlighting
implications
horticulture,
aim
advance
enhance
Язык: Английский
Widely Targeted Metabolomics and Transcriptomics Analysis of the Response and Adaptation Mechanisms of Trifolium ambiguum to Low-Temperature Stress
Agronomy,
Год журнала:
2025,
Номер
15(2), С. 308 - 308
Опубликована: Янв. 26, 2025
Caucasian
clover
(Trifolium
ambiguum
M.Bieb.)
is
a
perennial
legume
known
for
its
exceptional
cold
tolerance,
commonly
used
in
agriculture
and
ecosystems
climates.
Given
the
impact
of
climate
change,
enhancing
adaptation
crucial
sustaining
agricultural
productivity.
This
study
employs
metabolomics,
transcriptomics,
Weighted
Gene
Co-expression
Network
Analysis
(WGCNA)
to
investigate
molecular
mechanisms
clover’s
response
low-temperature
stress.
Metabolomic
analysis
showed
that
stress
triggered
accumulation
fatty
acids,
amino
antioxidants,
which
are
critical
maintaining
membrane
stability
antioxidant
capacity,
thus
protecting
plant
from
oxidative
damage.
Transcriptomic
revealed
significant
upregulation
genes
involved
adaptation,
particularly
those
related
defense,
lipid
repair,
signal
transduction,
including
ABA
signaling
pathway
enzymes,
thereby
improving
tolerance.
WGCNA
identified
gene
modules
closely
linked
especially
acid
metabolism,
repair.
These
function
synergistically,
with
coordinated
expression
resistance.
also
investigated
isoflavonoid
biosynthesis
under
stress,
highlighting
role
capacity
Low-temperature
induced
key
enzyme
genes,
such
as
Isoflavone
Synthase
(IFS)
Isoflavone-7-O-Glucosyltransferase
(IF7GT),
promoting
metabolite
further
plant’s
adaptation.
Overall,
this
offers
novel
insights
into
tolerance
provides
valuable
theoretical
support
breeding
cold-resistant
crops
Язык: Английский
Hydrogen Sulfide Induces Overaccumulation of Antioxidant Flavonoids Through the Regulatory Effect of Micrornas and its Target Genes in Arabidopsis
Опубликована: Янв. 1, 2025
Язык: Английский
Analysis of Transcriptional and Metabolic Differences in the Petal Color Change Response to High-Temperature Stress in Various Chrysanthemum Genotypes
Agronomy,
Год журнала:
2024,
Номер
14(12), С. 2863 - 2863
Опубликована: Ноя. 30, 2024
Flower
color
is
one
of
the
most
important
ornamental
traits
chrysanthemums.
Previous
studies
have
shown
that
high
temperatures
can
cause
petals
some
chrysanthemum
varieties
to
fade;
however,
molecular
mechanisms
behind
this
phenomenon
remain
poorly
understood.
This
study
examines
change
in
purple
chrysanthemums
under
high-temperature
stress
using
combined
metabolomic
and
transcriptomic
analyses.
Four
varieties—two
heat-stable
(‘Zi
Feng
Che’
‘Chrystal
Regal’)
two
heat-sensitive
Hong
Tuo
Gui’
‘Zi
Lian’)—were
analyzed.
High-temperature
conditions
(35
°C)
significantly
downregulated
key
anthocyanins
varieties,
particularly
cyanidin-3-O-(3″,6″-O-dimalonyl)glucoside
pelargonidin-3-O-(3″,6″-O-dimalonyl)glucoside.
Transcriptome
analysis
revealed
differential
gene
expression
involved
anthocyanin
biosynthesis
degradation,
with
significant
enrichment
MAPK
signaling,
phenylpropanoid
biosynthesis,
flavonoid
pathways.
The
highlighted
CHS,
DFR,
ANS,
GT1,
3AT,
UGT75C1
genes
synthesis
between
heat-tolerant
varieties.
Compared
exhibited
greater
heat-responsive
transcription
factors,
including
HSFs,
ERFs,
MYBs,
WRKYs.
Genes
show
a
negative
correlation
anthocyanins,
Cse_sc012959.1_g030.1
(βG),
Cse_sc001798.1_g020.1
(MYB),
Cse_sc006944.1_g010.1
Cse_sc000572.1_g090.1
(HSF),
might
regulate
accumulation
response
stress.
These
results
provide
guidance
for
cultivation
management
variety
selection
conditions.
Additionally,
they
lay
foundation
elucidating
flower
stability
heat
breeding
new
Язык: Английский
Color-induced changes in Chrysanthemum morifolium: an integrative transcriptomic and metabolomic analysis of petals and non-petals
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Дек. 20, 2024
(CM),
renowned
for
its
diverse
and
vibrant
varieties,
holds
significant
ornamental
medicinal
value.
Despite
this,
the
core
regulatory
mechanisms
underlying
coloration,
especially
in
non-petal
tissues
(i.e.,
parts
of
CM
that
do
not
include
petals,
such
as
reproductive
tissues,
receptacle
calyx),
have
been
insufficiently
studied.
In
this
study,
we
performed
transcriptomic
metabolomic
analyses
on
yellow,
gold,
white
well
to
investigate
molecular
processes
driving
color
variation.
A
total
90
differential
metabolites
were
identified,
with
flavonoids,
their
derivatives,
lipids
emerging
predominant
components
metabolic
profile.
At
transcriptional
level,
38
pathways
significantly
enriched
based
expression
genes.
The
combined
revealed
glycerophospholipid
metabolism,
primarily
involving
lipids,
served
a
key
pathway
both
petal
across
different
tissue
colors.
Notably,
exhibited
marked
differences
from
gold
yellow
counterparts
at
levels.
These
findings
offer
critical
insights
into
governing
coloration
provide
foundation
optimizing
future
breeding
efforts.
Язык: Английский