Agronomy,
Journal Year:
2024,
Volume and Issue:
14(12), P. 2965 - 2965
Published: Dec. 12, 2024
To
understand
ester
compound
biosynthesis
in
kiwifruit,
two
Actinidia
species
with
distinct
characteristics
were
compared.
The
firmness
of
Donghong
(Actinidia
chinensis)
and
Ganlv-1
eriantha)
fruits
gradually
decreased
as
the
fruit
ripened
after
harvest,
whereas
total
soluble
solids
increased
continuously,
reaching
a
peak
on
8th
day.
content
was
significantly
lower
than
at
optimal
eating
stage,
alcohol
acyltransferase
(AAT)
activity
fruits.
gene
expression
levels
AAT1
AAT17
higher
fruits,
particularly
remarkable
difference
observed
for
AAT1,
which
exhibited
36-fold
when
compared
fully
A
transient
overexpression
kiwifruit
led
to
significant
increase
content.
Interestingly,
natural
variation
promoter
sequence
between
cultivars.
Furthermore,
separate
analyses
respective
activities
revealed
In
conclusion,
is
primarily
responsible
disparity
resulting
divergent
accumulation
aroma
compounds
during
postharvest
ripening
stages.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 18, 2024
Carrot
is
a
highly
significant
vegetable
cultivated
worldwide
and
possesses
unique
aroma
with
abundant
edible
medicinal
values.
However,
it
remains
largely
unknown
whether
jasmonic
acid
could
regulate
formation
in
carrot.
Here,
an
integrated
analysis
of
the
volatile
metabolome
transcriptome
carrot
roots
exposed
to
different
concentrations
methyl
jasmonate
(MeJA)
was
performed.
The
results
revealed
1,227
organic
compounds
972
differential
accumulated
metabolites,
terpenes
representing
largest
portion.
MeJA
treatment
evidently
increased
relative
odor
activity
values
as
well
accumulation
most
compounds.
In
addition,
4,787
differentially
expressed
genes
were
identified
subjected
function
enrichment
analysis,
indicating
role
terpene
biosynthesis
metabolism
response
application.
A
network
consisting
4,680
transcription
factor-structural
pairs
that
showed
positive
correlations
constructed,
which
may
be
utilized
genetic
targets
for
examining
elicited
by
jasmonate.
from
present
work
substantially
improved
our
understanding
MeJA-mediated
Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(11), P. 1159 - 1159
Published: Oct. 31, 2024
The
aroma
metabolites
in
grape
berries
have
received
attention
recent
years,
but
a
global
analysis
of
gene-regulated
is
still
lacking.
In
this
study,
three
cultivars,
“Kyoho”,
“Adenauer
Rose”,
and
“Mei
Xiangbao”,
were
used
to
determine
the
differential
accumulation
identify
candidate
genes
related
berry
aroma.
A
total
27,228
detected
from
transcriptome,
128
differentially
accumulated
(DAMs)
identified.
Terpenoids
ester
major
substances
these
cultivars.
KEGG
enrichment
showed
that
12,
8,
5
compounds
significantly
enriched
during
maturation
process
with
most
being
terpenoids.
combined
transcriptome
metabolome
found
associated
following
pathways:
“Glycine,
serine,
threonine
metabolism”,
“Cysteine
methionine
“Tyrosine
“Phenylalanine
“Phenylalanine,
tyrosine,
tryptophan
biosynthesis”.
Seven
structural
(VvOMR1,
VvGLYK,
VvLPD2,
VvAK2,
VvSHM7,
VvASP3,
VvASP1)
four
transcription
factors
(VvERF053,
VvERF4,
VvMYB46,
VvMYB340)
discovered.
Our
findings
provide
new
insights
into
formation
regulatory
mechanism
research,
results
will
be
beneficial
for
breeding
future.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(12), P. 2965 - 2965
Published: Dec. 12, 2024
To
understand
ester
compound
biosynthesis
in
kiwifruit,
two
Actinidia
species
with
distinct
characteristics
were
compared.
The
firmness
of
Donghong
(Actinidia
chinensis)
and
Ganlv-1
eriantha)
fruits
gradually
decreased
as
the
fruit
ripened
after
harvest,
whereas
total
soluble
solids
increased
continuously,
reaching
a
peak
on
8th
day.
content
was
significantly
lower
than
at
optimal
eating
stage,
alcohol
acyltransferase
(AAT)
activity
fruits.
gene
expression
levels
AAT1
AAT17
higher
fruits,
particularly
remarkable
difference
observed
for
AAT1,
which
exhibited
36-fold
when
compared
fully
A
transient
overexpression
kiwifruit
led
to
significant
increase
content.
Interestingly,
natural
variation
promoter
sequence
between
cultivars.
Furthermore,
separate
analyses
respective
activities
revealed
In
conclusion,
is
primarily
responsible
disparity
resulting
divergent
accumulation
aroma
compounds
during
postharvest
ripening
stages.
