Annals of Applied Biology,
Год журнала:
2024,
Номер
185(3), С. 410 - 428
Опубликована: Авг. 16, 2024
Abstract
Sorghum
is
a
crop
that
susceptible
to
low
temperatures.
However,
due
the
extreme
global
temperatures,
new
genotypes
have
been
bred
adapt
better
cold
climates.
Therefore,
understand
metabolic
and
molecular
differences
may
contribute
improved
tolerance
of
these
genotypes,
it
essential
investigate
whether
specific
molecules
play
key
role
in
determining
degree
sorghum
tolerance.
Furthermore,
identifying
genes
associated
with
assist
development
more
robust
productive
cultivars.
Here,
we
analysed
changes
selected
elements
antioxidant
metabolism,
genes,
miRNAs
two
varieties
different
degrees
stress
at
times
exposure
stress.
The
high
expression
SbCBF6
response
treatment
early
time
tolerant
variety
suggests
its
involvement
response,
thereby
facilitating
adaptation
plant
conditions.
MiR398
miR394
showed
contrasting
behaviour
both
resulting
interesting
MiR319,
marker
for
selection
cold‐tolerant
cultivars,
presents
decrease,
suggesting
capacity
repress
several
members
TCP
family
transcription
factor
might
be
involved
This
study
shows
interest
sorghum,
marking
difference
between
cold‐susceptible
plants,
which
can
selecting
allowing
strategies
enhance
productivity
food
security,
regions
where
temperatures
significantly
constrain
growth
yield.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Янв. 30, 2024
Low
temperature
is
a
critical
environmental
stress
factor
that
restricts
crop
growth
and
geographical
distribution,
significantly
impacting
quality
yield.
When
plants
are
exposed
to
low
temperatures,
series
of
changes
occur
in
their
external
morphology
internal
physiological
biochemical
metabolism.
This
article
comprehensively
reviews
the
alterations
regulatory
mechanisms
indices,
such
as
membrane
system
stability,
redox
system,
fatty
acid
content,
photosynthesis,
osmoregulatory
substances,
response
low-temperature
plants.
Furthermore,
we
summarize
recent
research
on
signal
transduction
pathways,
phytohormones,
epigenetic
modifications,
other
molecular
mediating
temperatures
higher
In
addition,
outline
cultivation
practices
improve
plant
cold
resistance
highlight
cold-related
genes
used
breeding.
Last,
discuss
future
directions,
potential
application
prospects
breeding,
significant
breakthroughs
mechanisms.
Sustainability,
Год журнала:
2023,
Номер
15(15), С. 11671 - 11671
Опубликована: Июль 28, 2023
Mining
operations
have
a
significant
negative
impact
on
the
surrounding
ecosystems.
The
operation
of
mines
and
quarries
creates
large
amount
waste
that
accumulate
are
practically
unrecyclable
in
environment.
involvement
these
wastes
economic
activity
is
an
extremely
urgent
task.
This
can
make
economy
more
sustainable
reduce
its
influence
work
presents
attempts
using
quarry
as
fertilizer
applied
for
growing
tea
crops.
novelty
this
research
involves
revealing
when
Camellia
sinensis
(L.)
O.
Kuntze
assessing
changes
productivity
plant
applying
calcium
wastes.
intended
extracting
crushed
stone
was
studied
article.
composition
analyzed.
Fertilizers
used
manuring
soil
were
prepared
based
waste.
Two
experimental
sites
selected.
One
them
control,
where
grown
without
fertilizers.
obtained
from
second
site.
proceeded
10
years.
When
discussing
results,
special
attention
paid
to
climatic
conditions.
caused
by
need
show
it
use
influenced
change
yield,
not
As
result
fertilizers
waste,
increased.
application
shown
provide
increase
yield.
possibility
overcome
unfavorable
agroclimatic
conditions
during
cultivation
also
demonstrated.
To
assess
new
fertilizers,
three-dimensional
modeling
“gnuplot
v.5.4”
software
used.
result,
average
annual
precipitation,
1000
1980
mm/year,
range
air
temperature,
14
16
°C,
found
lead
(when
fertilizer)
yield
up
4.8
times
(from
20
95
centner/ha).
results
possible
Journal of Plant Growth Regulation,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
Low
root-zone
temperatures
(RZTs)
are
known
to
cause
various
physiological
changes
in
plants,
which
ultimately
result
reduced
overall
plant
growth
and
productivity.
However,
the
effects
of
temperature
on
below-ground
parts
remain
largely
unknown;
a
notable
gap
exists
understanding
low
RZTs
plants.
Therefore,
we
explored
impact
short-term
cooling
(RZTC)
growth,
responses,
amino
acid
levels
Taraxacum
coreanum
hydroponic
systems.
We
also
investigated
monoamine
oxidase
(MAO)
inhibitory
activity
T.
leaves
roots
following
RZTC
treatment.
were
exposed
low-temperature
nutrient
solutions
over
5
days
cool
root
zone
at
53
after
sowing.
treatments
included
gradual
(GC),
with
gradually
decreasing
from
15
°C
for
days,
rapid
(RC),
days.
caused
decrease
total
content,
except
glutamic
proline
leaves.
In
roots,
RC
treatment
significantly
increased
glutamine,
glutamine
exhibiting
most
significant
changes,
thus
increasing
acids.
MAO
inhibition
assays
indicated
improved
both
treatments,
enhancing
greater
extent
than
GC
exposing
can
high
content
rates
against
MAO.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(12), С. 9852 - 9852
Опубликована: Июнь 7, 2023
Low-temperature
stress
limits
global
tea
planting
areas
and
production
efficiency.
Light
is
another
essential
ecological
factor
that
acts
in
conjunction
with
temperature
the
plant
life
cycle.
However,
it
unclear
whether
differential
light
environment
affects
low
adaptability
of
(Camellia
sect.
Thea).
In
this
study,
materials
three
groups
intensity
treatments
showed
differentiated
characteristics
for
low-temperature
adaptability.
Strong
(ST,
240
μmol·m-2·s-1)
caused
degradation
chlorophyll
a
decrease
peroxidase
(POD),
superoxide
dismutase
(SOD),
catalase
(CAT),
ascorbate
(APX),
polyphenol
oxidase
(PPO)
activities,
as
well
an
increase
soluble
sugar,
protein,
malondialdehyde
(MDA),
relative
conductivity
leaves.
contrast,
antioxidant
enzyme
content,
were
highest
weak
(WT,
15
μmol·m-2·s-1).
Damage
was
observed
both
ST
WT
to
moderate
(MT,
160
frost
resistance
test.
Chlorophyll
strong
behavior
prevented
photodamage,
maximum
photosynthetic
quantum
yield
PS
II
(Fv/Fm)
decreased
increasing
intensity.
This
suggests
browning
occurs
on
leaf
surface
through
may
have
been
stressed
by
previous
reactive
oxygen
species
(ROS).
Frost
intolerance
mainly
related
delayed
tissue
development
tenderness
holding.
Interestingly,
transcriptome
sequencing
revealed
stronger
favors
starch
biosynthesis,
while
cellulose
biosynthesis
enhanced
weaker
light.
It
mediated
form
carbon
fixation
plant,
associated
Abstract
Background
The
tea
plant
(
Camellia
sinensis
(L.)
O.
Kuntze)
is
one
of
the
most
economically
important
woody
crops.
Plastic
greenhouse
covering
cultivation
has
been
widely
used
in
areas
northern
China.
Chlorophyll
not
only
crucial
pigment
for
green
tea,
but
also
plays
an
role
growth
and
development
plants.
Currently,
little
known
about
effect
plastic
on
chlorophyll
leaves.
Results
To
investigate
leaves,
color
difference
values,
contents,
gene
expression,
enzyme
activities
photosynthetic
parameters
were
analyzed
our
study.
Sensory
evaluation
showed
appearance,
liquor
infused
leaves
was
greener
than
field
tea.
Color
analysis
revealed
that
value
∆L,
∆b
b/a
significantly
higher
Significant
increase
content,
intracellular
CO
2
,
stomatal
conductance,
transpiration
rate,
net
rate
observed
expression
chlorophyll-metabolism-related
enzymes
activated
by
covering.
Conclusion
contents
a,
b
total
samples
primarily
due
to
especially,
a
synthetase
(chlG),
pheophorbide
oxygenase
(PAO)
chlorophyllide
(CAO)
covered
greenhouse.
In
general,
results
molecular
basis
metabolism
caused
cultivation,
which
had
great
significance
production
Horticulturae,
Год журнала:
2024,
Номер
10(7), С. 666 - 666
Опубликована: Июнь 23, 2024
Calcium
(Ca2+),
a
second
messenger,
plays
crucial
role
in
plant
growth
and
development
as
well
responding
to
biotic
abiotic
stresses.
In
this
work,
we
explored
the
of
exogenous
calcium
alleviating
cold
stress
examined
relationship
between
chloride
(CaCl2)
channel
blockers,
lanthanum
(LaCl3),
tea
plants
under
at
physiological
transcriptional
levels.
Exogenous
Ca2+
partially
offsets
negative
impacts
which
increased
tolerance
by
significantly
raising
photochemical
efficiency
PSII,
protective
enzyme
activities,
ABA
content,
reduced
relative
electrical
conductivity
(REC)
level
malondialdehyde
(MDA)
concentration.
At
transcriptome
level,
enhanced
expression
key
genes
involved
response
pathways.
Nevertheless,
LaCl3
treatment
not
only
inhibited
activities
antioxidant
enzymes
including
superoxide
dismutase
(SOD),
peroxidase
(POD)
catalase
(CAT),
but
also
damage.
This
study
aims
provide
essential
insight
into
stress,
better
understand
molecular
mechanisms
that
facilitate
Ca-mediated
tolerance.
