Plants,
Journal Year:
2025,
Volume and Issue:
14(5), P. 817 - 817
Published: March 5, 2025
Camellia
drupifera,
a
valuable
woody
oil
crop,
holds
significant
ecological,
economic,
and
medicinal
importance.
Its
seed
maturation
involves
intricate
physiological
changes,
particularly
the
interplay
between
biosynthesis
sugar
metabolism.
This
study
investigates
accumulation
expression
dynamics
of
metabolism-related
unigenes
during
three
key
developmental
stages
C.
drupifera
fruit:
nutrient
synthesis
stage
(NS),
fat
(FA),
(MS).
The
findings
reveal
distinct
differences
in
content
regulatory
mechanisms
across
stages.
NS
emerges
as
critical
period
for
metabolism,
characterized
by
peak
levels
soluble
sugars
fructose
alongside
significantly
elevated
unigenes.
correlation
sucrose
gene
suggests
crucial
role
carbohydrates
fruit
maturation.
Transcriptomic
analysis
identified
differentially
expressed
(DEGs)
metabolism
pathways,
which
qRT-PCR
further
validated.
These
results
offer
novel
insights
into
molecular
regulating
development.
At
same
time,
it
provides
theoretical
basis
genetic
improvement
effective
utilization
other
crops,
supporting
their
broader
agricultural
industrial
applications.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Aug. 13, 2024
Camellia
drupifera
,
a
significant
woody
oil
crop
in
southern
China,
produces
from
its
fruit
seeds.
Understanding
sugar
metabolism
enzyme
regulation
is
crucial
for
accumulation
and
synthesis
organs.
This
study
examines
the
dynamic
changes
across
four
developmental
stages
of
C.
fruits,
rapid
enlargement
to
conversion.
We
analyzed
content,
activity,
transcriptomic
data
identify
key
periods
mechanisms
involved
metabolism.
Our
findings
indicate
that
photosynthetic
products
are
rapidly
transported
leaves
organs
after
synthesis,
with
transport
efficiency
decreasing
significantly
48
hours.
September
was
identified
as
critical
period
conversion,
during
which
highest
sucrose
levels
SuSy-II
activity
were
detected
kernels.
A
positive
correlation
found
between
high
expression
ten
genes
related
enzymes
proteins
content.
Notably,
c158337.graph_c0
(SPS),
c166323.graph_c0
(SuSy),
c159295.graph_c0
(SUC2-like),
c156402.graph_c0
(SUC2-like)
increased
conversion
phase.These
provide
theoretical
foundation
elucidating
molecular
offering
insights
could
enhance
economic
yield.
