International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(7), С. 6568 - 6568
Опубликована: Март 31, 2023
Nicotianamine
(NA)
is
produced
by
NA
synthase
(NAS),
which
contains
three
genes
in
rice
and
responsible
for
chelating
metals
such
as
iron
(Fe)
zinc
(Zn),
well
preserving
metal
homeostasis.
In
this
study,
we
generated
a
transgenic
plant
(23D)
that
shows
simultaneous
activation
of
OsNAS2
OsNAS3
crossing
two
previously
identified
activation-tagged
mutants,
OsNAS2-D1
(2D)
OsNAS3-D1
(3D).
Concomitant
both
resulted
the
highest
Fe
Zn
concentrations
shoots
roots
23D
plants
grown
under
normal
conditions
limited
growth
conditions.
Expression
biosynthesis
mugineic
acid
family
phytosiderophores
(MAs)
uptake
were
enhanced
roots.
Additionally,
displayed
superior
to
other
at
higher
pH
levels.
Importantly,
seeds
had
2'-deoxymugineic
(DMA)
50.6-
10.0-fold
than
those
WT.
As
result,
mature
grain
4.0
3.5
times
greater,
respectively,
Furthermore,
exhibited
greatest
resistance
excess
metals.
Our
research
suggests
can
enhance
accumulation
grains
while
also
increasing
tolerance
growing
situations
with
deficiency
availability.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
ABSTRACT
Food
security
is
defined
as
uninterrupted
access
to
food
that
meets
people's
dietary
needs.
One
essential
trace
element
of
a
complete
diet
zinc,
which
vital
for
various
processes,
including
growth,
development,
and
the
immune
response.
The
estimated
global
prevalence
zinc
deficiency
around
30%.
Meat
meat
products
provide
an
abundant
also
bioavailable
source
zinc.
However,
in
developing
countries,
restricted,
developed
consumption
has
declined
ethical
environmental
reasons.
potential
arises
from
(
i
)
low
concentrations
this
plant‐based
diets,
ii
poor
absorption
human
intestine,
iii
risk
uptake
toxic
metals
together
with
ones.
This
review
summarises
current
knowledge
concerning
type
4
metallothioneins,
represent
promising
targets
biofortification.
We
describe
their
place
route
soil
seed,
expression
patterns,
role
plants,
three‐dimensional
protein
structure
how
affects
selectivity
towards
aims
comprehensive
theoretical
basis
use
plant
metallothioneins
create
zinc‐biofortified
crops.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 3, 2025
Abstract
Biofortification
of
zinc
(Zn)
is
a
great
means
eradicating
Zn
deficiency,
essentially
in
developing
countries.
Current
study
has
evaluated
the
influence
treatment
on
bioaccessibility
food
grains
along
with
germination
assays.
Edible
(seed)
and
inedible
(root)
portions
BARI
Gom
28
(
Triticum
aestivum
),
Chola
5
Cicer
arietinum
)
Mung
6
Vigna
radiata
sprouts
were
analyzed
for
bioaccessibility.
The
highest
(44.50
ppm)
was
extracted
from
seed
at
50
ppm
lowest
(0.45
root
control
treatment.
percentage
(90%)
observed
(62%)
25
After
optimizing
fractional
factorial
design
analysis,
maximum
response
91.06%
composite
desirability.
Germination
percentage,
fresh
dried
weight
sprouts,
sprout
length,
vigor
biological
yield
showed
better
results
Zn.
Thus,
biofortification
through
hydroponics
approach
using
control,
treatments
produced
contrasting
effects
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(7), С. 6568 - 6568
Опубликована: Март 31, 2023
Nicotianamine
(NA)
is
produced
by
NA
synthase
(NAS),
which
contains
three
genes
in
rice
and
responsible
for
chelating
metals
such
as
iron
(Fe)
zinc
(Zn),
well
preserving
metal
homeostasis.
In
this
study,
we
generated
a
transgenic
plant
(23D)
that
shows
simultaneous
activation
of
OsNAS2
OsNAS3
crossing
two
previously
identified
activation-tagged
mutants,
OsNAS2-D1
(2D)
OsNAS3-D1
(3D).
Concomitant
both
resulted
the
highest
Fe
Zn
concentrations
shoots
roots
23D
plants
grown
under
normal
conditions
limited
growth
conditions.
Expression
biosynthesis
mugineic
acid
family
phytosiderophores
(MAs)
uptake
were
enhanced
roots.
Additionally,
displayed
superior
to
other
at
higher
pH
levels.
Importantly,
seeds
had
2'-deoxymugineic
(DMA)
50.6-
10.0-fold
than
those
WT.
As
result,
mature
grain
4.0
3.5
times
greater,
respectively,
Furthermore,
exhibited
greatest
resistance
excess
metals.
Our
research
suggests
can
enhance
accumulation
grains
while
also
increasing
tolerance
growing
situations
with
deficiency
availability.
