International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(21), P. 11523 - 11523
Published: Oct. 26, 2024
Gamma
irradiation-based
mutant
creation
is
one
of
the
most
important
methods
for
rice
plant
mutagenesis
breeding
and
molecular
biology
research.
Although
median
lethal
dose
irradiation
severely
damages
seedlings,
applying
brassinolide
(BR)
can
increase
survival
rate
irradiated
seedlings.
In
this
study,
we
investigated
effects
soaking
seeds
in
solutions
containing
different
BR
concentrations
(0.001,
0.01,
0.1,
1.0,
5.0
μmol/L)
then
spraying
resulting
seedlings
twice
with
0.1
μmol/L
BR.
The
combined
treatments
markedly
decreased
superoxide
anion
(O2•−),
hydrogen
peroxide
(H2O2),
malondialdehyde
contents
but
increased
chlorophyll
content.
An
appropriate
treatment
gamma-irradiated
samples
substantially
activities
antioxidant
enzymes
dismutase,
peroxidase,
ascorbate
peroxidase
as
well
proline,
ascorbic
acid,
glutathione
seedling
shoots.
also
promoted
growth
derived
from
shoot
root
fresh
dry
weights.
Most
notably,
0.01
or
significantly
final
loss.
study
results
suggest
that
exogenous
protect
gamma
stress
by
enhancing
metabolism.
Microplastics
(MP)
are
found
to
exist
in
various
environmental
media
because
of
their
small
particle
size,
large
quantity
and
difficult
decomposition.
Farmland
soil
is
regarded
as
a
major
pool
source
MP.
Inevitably,
the
chemical
properties
microbial
community
will
be
impacted
when
MP
enters
soil.
Brassinolide
(BR)
has
been
shown
an
ameliorator
adverse
effect
on
development
Pinellia
ternata.
However,
potential
impact
BR
applications
rhizosphere
microecology
P.
ternata
under
interference
not
researched.
In
present
study,
was
used
test
plant
study
influence
foliar
application
its
root
characteristics,
enzyme
activity,
community,
physical
properties.
comparison
with
CK,
length
treatment
combined
significantly
decreased
by
22.8%
35.8%
respectively.
As
compared
group,
catalase
activity
12.5%
increased
urease
15.8%.
The
reduced
pathogenic
bacteria
some
extent
improved
effects
caused
above
results
revealed
that
had
remediation
composition
pollution.
purpose
this
understand
agricultural
quality
measures.
BMC Genomics,
Journal Year:
2025,
Volume and Issue:
26(1)
Published: April 2, 2025
Abstract
Elaeagnus
mollis
Diels,
is
a
rare
and
endangered
woody
plant
endemic
to
China,
which
listed
on
the
IUCN
Red
List.
In
natural
state,
viability
of
its
seeds
declines
very
rapidly,
key
status,
but
mechanism
E.
seed
decline
still
unclear.
order
explore
physiological
molecular
seeds,
this
study
used
fresh
as
control
compare
analyze
changes
vitality,
antioxidant
system,
transcription
metabolomics,
when
were
stored
for
1
3
months
at
room
temperature.
The
decreased
continuously
after
month
storage.
activities
superoxide
dismutase
(SOD),
monodehydroascorbate
reductase
(MDHAR),
ascorbate
(AsA),
glutathione
(GSH)
significantly,
while
catalase
(CAT)
activity
increased
gradually
during
viability.
Transcriptomic
results
showed
that
total
801
differentially
expressed
genes
(DEGs)
identified
between
1-month-stored
1,524
3-month-stored
seeds.
Among
them,
expression
CAT
,
MDHAR
GSH
GR
consistent
with
indicators.
Moreover,
WRKY
C3H
bZIP
B3
bHLH
NAC
AP2
/
ERF-ERF
factors
are
important
in
regulating
Metabolomics
types
differential
accumulated
metabolites
(DAMs)
mainly
flavonoids,
amino
acids
derivatives,
phenolic
acids.
combined
analysis
transcriptomics
metabolomics
further
DEGs
DAMs
associated
co-enriched
flavonoid
biosynthesis
tryptophan
metabolism
pathways.
Also
22
genes,
including
ALDH
CHS
C4H
participating
This
also
illustrated
metabolic
pathways
involved
by
acting
system.
These
findings
provide
new
insights
into
.
