Plant Physiology and Biochemistry,
Год журнала:
2024,
Номер
207, С. 108366 - 108366
Опубликована: Янв. 11, 2024
Carotenoids
are
susceptible
to
degrading
processes
initiated
by
oxidative
cleavage
reactions
mediated
Carotenoid
Cleavage
Dioxygenases
that
break
their
backbone,
leading
products
called
apocarotenoids.
These
carotenoid-derived
metabolites
include
the
phytohormones
abscisic
acid
and
strigolactones,
different
signaling
molecules
growth
regulators,
which
utilized
plants
coordinate
many
aspects
of
life.
Several
apocarotenoids
have
been
recruited
for
communication
between
arbuscular
mycorrhizal
(AM)
fungi
as
regulators
establishment
AM
symbiosis.
However,
our
knowledge
on
biosynthetic
pathways
regulation
pattern
during
symbiosis
is
still
limited.
In
this
study,
we
generated
a
qualitative
quantitative
profile
in
roots
shoots
rice
exposed
high/low
phosphate
concentrations,
upon
time
course
experiment
covering
stages
development.
To
get
deeper
insights
biology
plant-fungal
symbiosis,
complemented
metabolic
profiles
determining
expression
CCD
genes,
taking
advantage
chemometric
tools.
This
analysis
revealed
specific
genes
across
supply
conditions,
identifying
novel
reliable
markers
at
both
local
systemic
levels
indicating
promoting
role
β-ionone
establishment.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(34)
Опубликована: Авг. 12, 2024
Large
volumes
of
liquid
water
transiently
existed
on
the
surface
Mars
more
than
3
billion
years
ago.
Much
this
is
hypothesized
to
have
been
sequestered
in
subsurface
or
lost
space.
We
use
rock
physics
models
and
Bayesian
inversion
...
Strigolactones
exhibit
dual
functionality
as
regulators
of
plant
architecture
and
signaling
molecules
in
the
rhizosphere.
The
important
model
crop
rice
exudes
a
blend
different
strigolactones
from
its
roots.
Here,
we
identify
inaugural
noncanonical
strigolactone,
4-oxo-methyl
carlactonoate
(4-oxo-MeCLA),
root
exudate.
Comprehensive,
cross-species
coexpression
analysis
allowed
us
to
cytochrome
P450,
OsCYP706C2,
two
methyl
transferases
candidate
enzymes
for
this
strigolactone
biosynthetic
pathway.
Heterologous
expression
yeast
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Дек. 7, 2023
Strigolactone
(SL)
plays
essential
roles
in
plant
development
and
the
metabolism
of
rice
leaves.
However,
impact
SL
on
accumulation
nutritional
metabolites
polished
rice,
as
well
transcription
factors
directly
involved
synthesis,
remains
elusive.
In
this
study,
we
performed
a
metabolome
analysis
samples
from
mutants
an
biosynthetic
gene,
OsDWARF10
(
OsD10
).
Compared
with
those
wild
type
plants,
primary
secondary
exhibited
series
alterations
d10
mutants.
Notably,
showed
substantial
increase
amino
acids
vitamins
content.
Through
yeast
one-hybridization
screening
assay,
identified
OsSPL3
factor
that
binds
to
promoter,
thereby
inhibiting
vivo
vitro
.
Furthermore,
conducted
metabolic
profiling
plants
overexpressed
observed
enhanced
levels
vitamins.
This
study
novel
transcriptional
repressor
gene
elucidated
regulatory
rice.
Plant Physiology and Biochemistry,
Год журнала:
2024,
Номер
207, С. 108366 - 108366
Опубликована: Янв. 11, 2024
Carotenoids
are
susceptible
to
degrading
processes
initiated
by
oxidative
cleavage
reactions
mediated
Carotenoid
Cleavage
Dioxygenases
that
break
their
backbone,
leading
products
called
apocarotenoids.
These
carotenoid-derived
metabolites
include
the
phytohormones
abscisic
acid
and
strigolactones,
different
signaling
molecules
growth
regulators,
which
utilized
plants
coordinate
many
aspects
of
life.
Several
apocarotenoids
have
been
recruited
for
communication
between
arbuscular
mycorrhizal
(AM)
fungi
as
regulators
establishment
AM
symbiosis.
However,
our
knowledge
on
biosynthetic
pathways
regulation
pattern
during
symbiosis
is
still
limited.
In
this
study,
we
generated
a
qualitative
quantitative
profile
in
roots
shoots
rice
exposed
high/low
phosphate
concentrations,
upon
time
course
experiment
covering
stages
development.
To
get
deeper
insights
biology
plant-fungal
symbiosis,
complemented
metabolic
profiles
determining
expression
CCD
genes,
taking
advantage
chemometric
tools.
This
analysis
revealed
specific
genes
across
supply
conditions,
identifying
novel
reliable
markers
at
both
local
systemic
levels
indicating
promoting
role
β-ionone
establishment.
