Exogenous melatonin and grafting improved the growth and physiological characteristics of Citrullus lanatus seedlings under cadmium stress
Environmental Science and Pollution Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 18, 2025
Язык: Английский
Physiological Adaptations of Vigna radiata to Heavy Metal Stress: Soluble Sugar Accumulation and Biomass Enhancement
Plants,
Год журнала:
2025,
Номер
14(8), С. 1191 - 1191
Опубликована: Апрель 11, 2025
Background:
Heavy
metal
contamination
significantly
threatens
crop
growth
and
global
food
security.
Understanding
plant
responses
to
such
stress
is
crucial
developing
stress-tolerant
crops.
This
study
explores
the
physiological
biochemical
of
Vigna
radiata
(L.)
R.
Wilczek
mercury,
lead,
copper
stress,
focusing
on
role
soluble
sugar
accumulation
biomass
enhancement
in
conferring
heavy
tolerance.
Methods:
Commercially
available
V.
seeds
were
exposed
varying
concentrations
(50,
150,
300
mg/L)
mercurous
nitrate,
lead
chloride
under
controlled
conditions.
The
germination
rates,
seedling
growth,
parameters
as
protein
content
analyzed
using
spectrophotometry
statistical
methods,
including
ANOVA.
Results:
results
demonstrated
that
ion
increased
dry
weight,
while
all
tested
metals
promoted
accumulation.
Although
inhibited
at
higher
concentrations,
exhibited
strong
tolerance
moderate
levels.
Conclusion:
highlights
adaptive
strategies
radiata,
soluble-sugar-mediated
osmotic
adjustment
enhanced
allocation,
which
contribute
its
resilience
stress.
These
findings
provide
insights
for
breeding
stress-resistant
crops
managing
heavy-metal-contaminated
environments.
Язык: Английский
A meta-analysis on plant growth and heavy metals uptake with the application of 2,4-epibrassinolide in contaminated soils
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
289, С. 117439 - 117439
Опубликована: Ноя. 30, 2024
Язык: Английский
Melatonin‐Mediated Vacuolar Compartmentalization in Solanum nigrum L. Under Cadmium Stress
Land Degradation and Development,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
ABSTRACT
Melatonin
has
been
identified
as
a
potential
mitigator
of
cadmium
(Cd)
stress
in
plants,
though
its
precise
cellular
mechanisms
remain
poorly
understood,
particularly
regarding
role
detoxification
processes
within
the
protoplast
and
vacuole.
This
study
examines
effects
exogenous
melatonin
on
Cd
concentration
vacuolar
compartmentalization
leaf
cells
Solanum
nigrum
L.,
recognized
hyperaccumulator
plant.
Employing
subcellular
separation
techniques,
we
quantified
levels
total
Cd,
2+
,
ascorbic
acid–glutathione
(AsA‐GSH),
reactive
oxygen
species
(ROS)
protoplasts
vacuoles
cells.
Results
reveal
that
serves
dynamic
mechanism,
balancing
strategic
sequestration
continuous
metabolic
activity
cytoplasm,
with
72.19%–79.89%
retained
enhanced
effective
allocation
these
resources,
contributing
to
preservation
homeostasis.
In
particular,
outside
vacuole,
treatment
maintained
relatively
higher
glutathione/oxidized
glutathione
(GSH/GSSG)
acid/dehydroascorbate
(AsA/DHA)
under
50
μM
stress.
At
this
concentration,
AsA/DHA
ratio
increased
from
0.71
2.20,
GSH/GSSG
2.20
4.28
comparison
alone.
These
findings
enhance
our
understanding
melatonin‐mediated
tolerance
mechanisms,
offer
insights
for
improving
plant
tolerance,
could
inform
genetic
strategies
developing
more
efficient
plants.
Язык: Английский