Plants,
Journal Year:
2024,
Volume and Issue:
14(1), P. 5 - 5
Published: Dec. 24, 2024
Glume-opening
of
thermosensitive
genic
male
sterile
(TGMS)
rice
(Oryza
sativa
L.)
lines
after
anthesis
is
a
serious
problem
that
significantly
reduces
the
yield
and
quality
hybrid
seeds.
However,
molecular
mechanisms
regulating
opening
closing
glumes
remain
largely
unclear.
In
this
study,
we
report
isolation
functional
characterization
glum-opening
mutant
anthesis,
named
gom1.
gom1
exhibits
dysfunctional
lodicules
lead
to
open
following
anthesis.
Map-based
cloning
subsequent
complementation
tests
confirmed
GOM1
encodes
receptor-like
kinase
(RLK).
was
expressed
in
nearly
all
floral
tissues,
with
highest
expression
lodicule.
Loss-of-function
resulted
decrease
genes
related
JA
biosynthesis,
signaling,
sugar
transport.
Compared
LK638S,
content
reduced,
while
soluble
sugar,
sucrose,
glucose,
fructose
contents
were
increased
Together,
speculated
regulates
carbohydrate
transport
during
through
maintaining
higher
osmolality
which
leads
glum-opening.
Cells,
Journal Year:
2024,
Volume and Issue:
13(11), P. 887 - 887
Published: May 21, 2024
Improving
the
drought
resistance
of
rice
is
great
significance
for
expanding
planting
area
and
improving
stable
yield
rice.
In
our
previous
work,
we
found
that
ROLLED
AND
ERECT
LEAF1
(REL1)
protein
promoted
enhanced
tolerance
to
stress
by
eliminating
reactive
oxygen
species
(ROS)
levels
triggering
abscisic
acid
(ABA)
response.
However,
mechanism
through
which
REL1
regulates
removing
ROS
unclear.
this
study,
identified
interacting
5
(RIP5)
it
directly
combines
with
in
chloroplast.
We
RIP5
was
strongly
expressed
ZH11
under
drought-stress
conditions,
rip5-ko
mutants
significantly
improved
plants
drought,
whereas
overexpression
resulted
greater
susceptibility
drought.
Further
investigation
suggested
negatively
regulated
decreasing
content
ascorbic
(AsA),
thereby
reducing
clearance.
RNA
sequencing
showed
knockout
caused
differential
gene
expression
chiefly
associated
ascorbate
aldarate
metabolism.
Furthermore,
multiple
experimental
results
suggest
involved
regulating
inhibiting
RIP5.
Collectively,
findings
reveal
importance
inhibition
affecting
rice’s
response
stress.
This
work
not
only
explains
rice,
but
will
also
help
improve
Plants,
Journal Year:
2024,
Volume and Issue:
14(1), P. 5 - 5
Published: Dec. 24, 2024
Glume-opening
of
thermosensitive
genic
male
sterile
(TGMS)
rice
(Oryza
sativa
L.)
lines
after
anthesis
is
a
serious
problem
that
significantly
reduces
the
yield
and
quality
hybrid
seeds.
However,
molecular
mechanisms
regulating
opening
closing
glumes
remain
largely
unclear.
In
this
study,
we
report
isolation
functional
characterization
glum-opening
mutant
anthesis,
named
gom1.
gom1
exhibits
dysfunctional
lodicules
lead
to
open
following
anthesis.
Map-based
cloning
subsequent
complementation
tests
confirmed
GOM1
encodes
receptor-like
kinase
(RLK).
was
expressed
in
nearly
all
floral
tissues,
with
highest
expression
lodicule.
Loss-of-function
resulted
decrease
genes
related
JA
biosynthesis,
signaling,
sugar
transport.
Compared
LK638S,
content
reduced,
while
soluble
sugar,
sucrose,
glucose,
fructose
contents
were
increased
Together,
speculated
regulates
carbohydrate
transport
during
through
maintaining
higher
osmolality
which
leads
glum-opening.
