Mitigation effect of alpha-tocopherol and thermo-priming in Brassica napus L. under induced mercuric chloride stress
BMC Plant Biology,
Год журнала:
2024,
Номер
24(1)
Опубликована: Фев. 13, 2024
Abstract
Soil
pollution
with
heavy
metals
has
grown
to
be
a
big
hassle,
leading
the
loss
in
farming
production
particularly
developing
countries
like
Pakistan,
where
no
proper
channel
is
present
for
irrigation
and
extraction
of
these
toxic
metals.
The
study
aims
ameliorate
damages
caused
by
metal
ions
(Hg-Mercury)
on
rapeseed
(
Brassica
napus
L.)
via
growth
regulator
(α-tocopherol
150
mg/L)
thermopriming
technique
at
4
°C
50
maintain
plant
agronomical
physiological
characteristics.
In
pot
experiments,
we
designed
total
11
treatments
viz.(
T0
(control),
T1
(Hg4ppm),
T2
(Hg8ppm),
T3
(Hg4ppm
+
°C),
T4
tocopherol
(150
m/L)),
T5
T6
mg/L)),
T7
(Hg8ppm
T8
T9
T10
results
revealed
that
chlorophyll
content
p
<
0.05
antioxidant
enzymes
such
as
catalase,
peroxidase,
malondialdehyde
enhanced
up
maximum
level
=
Hg4ppm
(50
under
ppm
mercuric
chloride
stress),
suggesting
high
temperature
initiate
system
reduce
photosystem
damage.
However,
protein,
proline,
superoxide
dismutase
0.05,
carotenoid,
soluble
sugar,
ascorbate
peroxidase
were
increased
non-significantly
>
0.05)
8
stress
(T9
Hg8ppm
°C)
representing
tolerance
selected
specie
synthesizing
osmolytes
resist
oxidation
mechanism.
Furthermore,
reduction
%
MC
(moisture
content)
easily
improved
foliar
application
α-tocopherol
mg/L),
remarkable
increase
vigor
germination
energy.
It
resulted
inhibitory
effect
only
lower
concentration
(4
ppm)
was
ameliorated
exogenous
levels
proline
activities
maintaining
seedling
development
contaminated
soil.
Язык: Английский
Multiomics Analyses Reveal the Dual Role of Flavonoids in Pigmentation and Abiotic Stress Tolerance of Soybean Seeds
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(6), С. 3231 - 3243
Опубликована: Фев. 1, 2024
The
color
of
the
seed
coat
has
great
diversity
and
is
regarded
as
a
biomarker
metabolic
variations.
Here
we
isolated
soybean
variant
(BLK)
from
population
recombinant
inbred
lines
with
black
coat,
while
its
sibling
plants
have
yellow
coats
(YL).
BLK
YL
showed
no
obvious
differences
in
vegetative
growth
weight.
However,
seeds
had
higher
anthocyanins
flavonoids
level
tolerance
to
various
abiotic
stresses
including
herbicide,
oxidation,
salt,
alkalinity
during
germination.
Integrated
metabolomic
transcriptomic
analyses
revealed
that
upregulation
biosynthetic
genes
probably
contributed
overaccumulation
seeds.
transient
expression
those
root
hairs
increased
levels
total
or
anthocyanins.
Our
study
molecular
basis
flavonoid
accumulation
seeds,
leveraging
genetic
engineering
for
both
nutritious
stress-tolerant
germplasm.
Язык: Английский
Exploring Germination, Anatomical and Agronomic Responses of Vigna radiata L. to Temperature and Osmotic Potential via Halothermal Time Model
Russian Journal of Plant Physiology,
Год журнала:
2024,
Номер
71(6)
Опубликована: Дек. 1, 2024
Язык: Английский
Accelerated anti-oxidant enzymes and phytochemical potential of Taxus wallichiana (Himalayan yew) under moist temperate forest of Himalayan, Pakistan
Journal of Water and Climate Change,
Год журнала:
2023,
Номер
15(2), С. 669 - 685
Опубликована: Дек. 29, 2023
Abstract
Taxus
wallichiana
(Himalayan
yew)
antioxidant
potential
enhances
the
release
of
secondary
metabolites
and
enzymes
under
stress;
over
last
few
decades
owing
to
changes
in
climatic
regimes,
such
species
are
constant
threat
moist
temperate
Himalayan
forests.
The
present
study
aims
evaluate
effect
change
land-use
pattern
on
phytochemical
T.
Forest
Galiyat-Khyber-Pakhtunkhwa-Pakistan.
Three
leaf
samples
from
each
location
T.W
were
collected
high
(Ayubiya,
2,970
m.a.s.l.)
undisturbed,
disturbed
mid
(Baragali,
Dongagali,
Kuldana,
Chegagali,
2,617,
2,375,
2,455,
2,804
low
(Murree,
2,000
altitudes
forest
Galiayt-Himalayan-Khyber-Pakhtunkhwa-Pakistan,
DPPH
assay,
total
flavonoids
phenolic
content,
protein
proline
catalase,
superoxide
dismutase
peroxidase
activities
analysed.
activity
(DPPH)
response
was
more
pronounced
altitude
sites
than
undisturbed
site
at
altitudes.
Antioxidant
osmolyte
content
further
supported
stress
tolerance
capacity
scavenge
ROS
produced
oxidative
conditions.
In
conclusion,
inhabiting
these
could
withstand
long
durations
drought,
salinity,
frost,
temperatures,
pathogenic
attacks
by
activating
enzymes.
Язык: Английский