The Plant Cell,
Год журнала:
2021,
Номер
33(12), С. 3658 - 3674
Опубликована: Сен. 9, 2021
Protons
(H+)
in
acidic
soils
arrest
plant
growth.
However,
the
mechanisms
by
which
plants
optimize
their
biological
processes
to
diminish
unfavorable
effects
of
H+
stress
remain
largely
unclear.
Here,
we
showed
that
roots
Arabidopsis
thaliana,
C2H2-type
transcription
factor
STOP1
nucleus
was
enriched
low
pH
a
nitrate-independent
manner,
with
spatial
expression
pattern
NITRATE
TRANSPORTER
1.1
(NRT1.1)
established
required
action
STOP1.
Additionally,
nrt1.1
and
stop1
mutants,
as
well
double
mutant,
had
similar
hypersensitive
phenotype
pH,
indicating
NRT1.1
function
same
pathway
for
tolerance.
Molecular
assays
revealed
directly
bound
promoter
activate
its
response
thus
upregulating
nitrate
uptake.
This
improved
nitrogen
use
efficiency
(NUE)
created
favorable
rhizospheric
root
growth
enhancing
depletion
rhizosphere.
Consequently,
constitutive
mutants
abolished
pH.
These
results
demonstrate
STOP1-NRT1.1
is
key
module
NUE
ensure
better
media.
The Plant Cell,
Год журнала:
2021,
Номер
33(12), С. 3658 - 3674
Опубликована: Сен. 9, 2021
Protons
(H+)
in
acidic
soils
arrest
plant
growth.
However,
the
mechanisms
by
which
plants
optimize
their
biological
processes
to
diminish
unfavorable
effects
of
H+
stress
remain
largely
unclear.
Here,
we
showed
that
roots
Arabidopsis
thaliana,
C2H2-type
transcription
factor
STOP1
nucleus
was
enriched
low
pH
a
nitrate-independent
manner,
with
spatial
expression
pattern
NITRATE
TRANSPORTER
1.1
(NRT1.1)
established
required
action
STOP1.
Additionally,
nrt1.1
and
stop1
mutants,
as
well
double
mutant,
had
similar
hypersensitive
phenotype
pH,
indicating
NRT1.1
function
same
pathway
for
tolerance.
Molecular
assays
revealed
directly
bound
promoter
activate
its
response
thus
upregulating
nitrate
uptake.
This
improved
nitrogen
use
efficiency
(NUE)
created
favorable
rhizospheric
root
growth
enhancing
depletion
rhizosphere.
Consequently,
constitutive
mutants
abolished
pH.
These
results
demonstrate
STOP1-NRT1.1
is
key
module
NUE
ensure
better
media.