Horticulture Research,
Journal Year:
2023,
Volume and Issue:
10(8)
Published: July 4, 2023
Abstract
Melon
(Cucumis
melo
L.)
has
a
long
history
of
cultivation
worldwide.
During
cultivation,
domestication,
and
selection
breeding,
the
sugar
content
mature
melon
fruits
been
significantly
increased.
Compared
with
unsweet
wild
melon,
rapid
sucrose
accumulation
can
occur
in
middle
late
stages
sweet
fruit
development.
The
phloem
unloading
pathway
during
evolution
development
not
identified
analyzed.
In
this
study,
function
related
transporters
cultivated
were
analyzed
by
CFDA
[5(6)-carbofluorescein
diacetate]
esculin
tracing,
cytological
observation,
qRT–PCR,
gene
analysis,
etc.
Results
show
that
is
largely
symplastic,
whereas
shifts
from
symplastic
to
apoplasmic
According
grafting
experiment,
sink
accumulates
sugars
independently.
Correlation
analysis
showed
expression
amounts
several
transporter
genes
positively
correlated
fruit.
Furthermore,
CmSWEET10
was
proved
be
located
on
plasma
membrane
highly
expressed
premature
stage
fruits,
which
means
it
may
involved
apoplast
fruits.
Finally,
we
summarize
functional
model
enzymes
enlargement
accumulation.
LWT,
Journal Year:
2024,
Volume and Issue:
198, P. 116101 - 116101
Published: April 1, 2024
Chinese
cherry
is
an
economically
significant
fruiting
species
within
Rosaceae
family.
Soluble
sugar
and
organic
acid
are
crucial
factors
affecting
fruit
flavor,
while
the
genetic
basis
for
these
traits
in
remains
largely
unknown.
In
this
study,
we
determined
components
190
187
representative
hybrids
from
intraspecific
cross
of
over
two
consecutive
years.
Fructose
glucose
were
major
sugars
both
progeny
parents,
but
their
contents
varied
considerably
between
represented
a
higher
proportion
than
parents.
Malic
was
most
predominant
component,
accounting
relatively
stable
(∼70%)
The
F1
population
exhibited
wide
phenotypic
variations,
with
coefficient
variation
ranging
6.57%
to
108.63%.
Regarding
inheritance
patterns,
tended
towards
smaller
values,
malic
transgressive
heterosis.
Sugars
acids
primarily
governed
by
2MG-AD
or
2MG-EA
model.
Major
gene
heritability
exceeded
88%
much
lower
(12%∼75%)
sugars.
These
results
suggest
that
might
be
controlled
genes,
mainly
polygenes.
This
study
provides
theoretic
understanding
predisposition
underlying
sugar-acid
fractions
fruit.
Molecular Horticulture,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: June 5, 2024
Abstract
Most
of
the
carbon
found
in
fruits
at
harvest
is
imported
by
phloem.
Imported
provide
material
needed
for
accumulation
sugars,
organic
acids,
secondary
compounds,
addition
to
synthesis
cell
walls.
The
sugars
during
fruit
development
influences
not
only
sweetness
but
also
various
parameters
controlling
composition
(fruit
“quality”).
acids
and
sugar
grape
berry
flesh
cells
a
key
process
ripening.
present
review
presents
an
update
research
on
development,
anatomical
structure,
acid
metabolism,
transporters,
regulatory
factors.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: Sept. 8, 2022
Pineapple
(Ananas
comosus
L.)
is
one
of
the
most
valuable
subtropical
fruit
crop
in
world.
The
sweet-acidic
taste
pineapple
fruits
a
major
contributor
to
characteristic
quality,
but
its
formation
mechanism
remains
elusive.
Here,
targeted
metabolomic
and
transcriptomic
analyses
were
performed
during
developmental
stages
two
cultivars
("Comte
de
Paris"
"MD-2")
gain
global
view
metabolism
transport
pathways
involved
sugar
organic
acid
accumulation.
Assessment
levels
different
components
development
revealed
that
predominant
mature
both
was
sucrose
citric
acid,
respectively.
Weighted
gene
coexpression
network
analysis
metabolic
phenotypes
expression
profiling
enabled
identification
21
genes
associated
with
accumulation
19
coordinated
interaction
correlated
irreversible
hydrolysis,
resynthesis,
could
be
responsible
for
fruit.
In
addition,
might
controlled
by
pyruvate-to-acetyl-CoA-to-citrate
pathway,
gamma-aminobutyric
tonoplast
proton
pumps
pineapple.
These
results
provide
deep
insights
into
regulation
sweetness
acidity
New Phytologist,
Journal Year:
2024,
Volume and Issue:
243(5), P. 1823 - 1839
Published: July 15, 2024
Cone
enlargement
is
a
crucial
process
for
seed
production
and
reproduction
in
gymnosperms.
Most
of
our
knowledge
cone
development
derived
from
observing
anatomical
structure
during
gametophyte
development.
Therefore,
the
exact
molecular
mechanism
underlying
after
fertilization
poorly
understood.
Here,
we
demonstrate
that
sucrose
promotes
Torreya
grandis,
gymnosperm
species
with
relatively
low
rates
enlargement,
via
TgNGA1-TgWRKY47-TgEXPA2
pathway.
Cell
expansion
plays
significant
role
T.
grandis.
Advanced Biotechnology,
Journal Year:
2024,
Volume and Issue:
2(2)
Published: March 19, 2024
Raffinose
Family
Oligosaccharides
(RFOs)
are
a
kind
of
polysaccharide
containing
D-galactose,
and
they
widely
exist
in
higher
plants.
Synthesis
RFOs
begins
with
galactinol
synthase
(GolS;
EC
2.4.1.123)
to
convert
myo-inositol
into
galactinol.
The
subsequent
formation
raffinose
stachyose
catalyzed
by
(RS;
2.4.1.82)
(STS;
2.4.1.67)
using
sucrose
as
substrate,
respectively.
hydrolysis
is
finished
α-galactosidase
(α-Gal;
3.2.1.22)
produce
galactose.
Importance
metabolism
have
been
summarized,
e.g.
In
translocating
plants,
the
phloem
loading
unloading
reported
mediating
plant
development
process.
Interference
function
synthesis
or
enzymes
caused
growth
defect.
addition,
involved
biotic
abiotic
stresses
was
discussed
this
review.
Overall,
literature
summarizes
our
current
understanding
points
out
knowledge
gaps
that
need
be
filled
future.
Journal of Experimental Botany,
Journal Year:
2024,
Volume and Issue:
75(13), P. 3903 - 3919
Published: March 26, 2024
Abstract
Sugars
Will
Eventually
be
Exported
Transporters
(SWEETs)
are
the
most
recently
discovered
family
of
plant
sugar
transporters.
By
acting
as
uniporters,
SWEETs
facilitate
diffusion
sugars
across
cell
membranes
and
play
an
important
role
in
various
physiological
processes
such
abiotic
stress
adaptation.
AtSWEET17,
a
vacuolar
fructose
facilitator,
was
shown
to
involved
modulation
root
system
during
drought.
In
addition,
previous
studies
have
that
overexpression
apple
homolog
leads
increased
drought
tolerance
tomato
plants.
Therefore,
SWEET17
might
molecular
element
responses
However,
function
above-ground
tissues
Arabidopsis
under
remain
elusive.
combining
gene
expression
analysis
stem
architecture
with
profiles
different
tissues,
we
uncovered
putative
for
carbohydrate
supply
thus
cauline
branch
elongation,
especially
periods
carbon
limitation,
occurs
stress.
Thus,
seems
maintaining
efficient
reproduction
conditions.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(16), P. 8914 - 8914
Published: Aug. 10, 2022
Sugars
will
eventually
be
exported
transporters
(SWEET),
a
group
of
relatively
novel
sugar
transporters,
that
play
important
roles
in
phloem
loading,
seed
and
fruit
development,
pollen
stress
response
plants.
Longan
(Dimocarpus
longan),
subtropic
tree
with
high
economic
value,
is
sensitive
to
cold.
However,
whether
the
SWEET
gene
family
plays
role
conferring
cold
tolerance
upon
longan
remains
unknown.
Here,
total
20
(DlSWEET)
genes
were
identified,
their
phylogenetic
relationships,
structures,
cis-acting
elements,
tissue-specific
expression
patterns
systematically
analyzed.
This
divided
into
four
clades.
Gene
structures
motifs
analyses
indicated
majority
DlSWEETs
each
clade
shared
similar
exon-intron
organization
conserved
motifs.
Tissue-specific
suggested
diverse
possible
functions
for
DlSWEET
genes.
Cis-elements
analysis
quantitative
real-time
PCR
(qRT-PCR)
revealed
DlSWEET1
responded
stress.
Notably,
overexpression
improved
transgenic
Arabidopsis,
suggesting
might
positive
D.
longan's
responses
Together,
these
results
contribute
better
understanding
genes,
which
could
serve
as
foundation
further
functional
identification
