Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
13
Published: March 2, 2023
To
investigate
differences
in
fresh
leaves
of
tea
plants
at
different
ages
gene
expression,
metabolism,
and
dried
quality,
to
provide
references
a
deep
exploration
on
metabolite
differential
accumulation
as
well
the
regulation
mechanism,
two
groups
from
(group
JP:
20-,
200-,
1,200-year
plants;
group
YX:
50-,
100-,
400-year
plants)
were
chosen
materials,
their
metabolites,
metabolic
regulatory
network
investigated
by
transcriptomics
metabolomics.
A
total
12,706
differentially
expressed
genes
(DEGs)
screened
JP
group,
which
tea-20
vs.
tea-200
had
largest
number
DEGs,
up
9,041
(4,459
down-regulated
genes,
4,582
up-regulated
genes).
644
common
three
expressed.
8,971
DEGs
leaf
samples
YX
obtained
tea-50
tea-400
comparison
combination
was
with
3,723
(1,722
2,001
147
tree
group.
The
pathway
enrichment
analysis
showed
that
most
related
pathways
similar
groups,
significant
included
flavonoid
biosynthesis,
phenylpropane
carbon
amino
acid
plant
pathogen
interaction.
metabolomics
results
72
117
metabolites
respectively.
Most
flavonoids,
phenolic
acids,
derivatives.
Among
them,
flavonoids
older
is
generally
higher
than
flavonoids.
Moreover,
according
sensory
evaluation
ages,
tea-1200
highest
scores
groups.
With
increase
age,
fragrance
more
elegant,
it
changed
dense
scent
faint
scent;
tasted
sweet
its
freshness
increased,
while
sense
astringency
weakened
concentration
declined.
Therefore,
quality
difference
mainly
secondary
such
biosynthesis
pathway.
large
expression
down-regulated,
reduces
content
bitter
substances
makes
soup
mellow.
Cell Reports,
Journal Year:
2024,
Volume and Issue:
43(2), P. 113725 - 113725
Published: Jan. 31, 2024
Flavonoids
are
a
class
of
secondary
metabolites
widely
distributed
in
plants.
Regiospecific
modification
by
methylation
and
glycosylation
determines
flavonoid
diversity.
A
rare
flavone
glycoside,
diosmin
(luteolin-4'-methoxyl-7-O-glucosyl-rhamnoside),
occurs
Chrysanthemum
indicum.
How
plants
evolve
new
biosynthetic
capacities
remains
elusive.
Here,
we
assemble
3.11-Gb
high-quality
C.
indicum
genome
with
contig
N50
value
4.39
Mb
annotate
50,606
protein-coding
genes.
One
(CiCOMT10)
the
tandemly
repeated
O-methyltransferase
genes
undergoes
neofunctionalization,
preferentially
transferring
methyl
group
to
4'-hydroxyl
luteolin
ortho-substituents
form
diosmetin.
In
addition,
CiUGT11
(UGT88B3)
specifically
glucosylates
7-OH
Next,
construct
one-pot
cascade
biocatalyst
system
combining
CiCOMT10,
CiUGT11,
our
previously
identified
rhamnosyltransferase,
effectively
producing
over
80%
conversion
from
luteolin.
This
study
clarifies
role
transferases
diversity
provides
important
gene
elements
essential
for
flavone.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: July 19, 2023
Abstract
Intraspecific
plant
chemodiversity
shapes
plant-environment
interactions.
Within
species,
chemotypes
can
be
defined
according
to
variation
in
dominant
specialised
metabolites
belonging
certain
classes.
Different
ecological
functions
could
assigned
these
distinct
chemotypes.
However,
the
roles
of
other
metabolic
and
parental
origin
(or
genotype)
remain
poorly
explored.
Here,
we
first
compared
capacity
terpenoid
profiles
fingerprints
distinguish
five
common
tansy
(
Tanacetum
vulgare
)
depict
differences.
Metabolic
captured
higher
while
preserving
ability
define
These
differences
might
influence
performance
interactions
with
environment.
Next,
characterise
maternal
on
chemodiversity,
performed
partitioning
generalised
linear
modelling.
Our
findings
revealed
that
was
a
source
chemical
than
chemotype.
Predictive
metabolomics
unveiled
184
markers
predicting
89%
accuracy.
included,
among
others,
phenolics,
whose
are
well
established.
Hence,
place
genotype
at
forefront
intraspecific
chemodiversity.
We
recommend
considering
this
factor
when
comparing
ecology
various
Additionally,
combined
inclusion
inherited
main
terpenoids
computational
models
may
help
connect
evolutionary
principles.
The Analyst,
Journal Year:
2024,
Volume and Issue:
149(4), P. 1151 - 1159
Published: Jan. 1, 2024
A
GO/Au
NP
cellulose
substrate
was
constructed
through
layer-by-layer
assembly
of
graphene
oxide
and
Au
nanoparticles
on
a
mixed
membrane.
Surface-enhanced
Raman
spectroscopy
detection
3
pesticides
in
chrysanthemum
demonstrated.
Problems of Biological Medical and Pharmaceutical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 12 - 22
Published: Jan. 15, 2025
Chrysanthemums
are
widely
known
all
over
the
world
as
ornamental
plants.
However,
in
Asian
countries
since
ancient
times
they
considered
dual-purpose
crops
and
along
with
floristic
use
have
a
long
history
of
food
medicinal
Chrysanthemum
morifolium
Ramat.
Chry-santhemum
indicum
L.
most
studied
species
genus
L.,
included
pharmacopoeias
China,
Japan
USA.
At
same
time,
garland
(Glebionis
coronaria
(Cass.
ex
Spach.))
is
cultivated
Russia
plant,
which
also
potential
source
plant
raw
materials
for
obtaining
therapeutic
prophylactic
agents.
In
this
connection,
purpose
present
work
was
to
analyze
literature
data
on
chemical
composition
pharmacological
properties
G.
comparison
C.
assess
prospects
its
domestic
medical
practice.
According
data,
three
chrysanthemums
similar
contain
flavonoids
(aglycones
luteolin,
apigenin,
acacetin,
quercetin,
kaempferol,
isoramnetin,
hesperitin,
diosmetin,
their
mono-
diglycosides,
well
malonyl
acetyl
derivatives
glycosides);
phenolic
acids
(isomers
caffeoyl-
dicaffeoylquinic
methylated
derivatives);
sesquiterpenoids.
Carotenoids
were
found
flowers;
above-ground
part
-
fatty
derivatives,
sterols
polyacetylenes;
stems,
roots
leaves
anthraquinones.
Among
mineral
elements,
predominant
content
potassium
noted.
The
results
published
studies
indicate
that
these
chrysanthemum
exhibit
antioxidant,
anti-inflammatory,
antimicrobial,
nephro-,
hepato-,
cardio-
neuroprotective
effects.
Thus,
has
set
metabolites
morifolium,
but
characterized
by
smaller
diversity
identified
substances,
opens
prospect
further
phytochemical
study.
Taking
into
account
closeness
composition,
may
types
biological
activity,
other
chrysanthemums.
Analysis
shown
more
species,
can
serve
biologically
active
substances.
availability
registered
varieties
agrotechnologies
create
stable
material
base
medicines
products.
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: April 21, 2025
The
genus
Chrysanthemum
(Asteraceae)
consists
of
a
series
polyploids,
ranging
from
diploid
(2x)
to
decaploid
(10x),
with
basic
chromosome
number
x
=
9.
They
vary
widely
within
and
among
species
owing
natural
hybridization
polyploidization
in
habitats,
this
has
made
recognizing
the
taxonomic
boundaries
them
difficult.
Karyotype
analysis
been
played
powerful
methodology
investigate
cytogenetic
difference
plant
but
it
was
not
applicable
define
boundary
discuss
their
relationship
Korean
because
unstable
karyotypes
species.
In
study,
28
populations
Chrysanthemum,
which
were
identified
based
on
morphological
characteristics,
collected
habitats
understand
relationships
at
level.
We
measured
genome
size
compared
karyotype
distribution
pattern
two
ribosomal
DNAs
(rDNAs)
using
FISH
(fluorescence
situ
hybridization).
results
confirmed
that
C.
zawadskii
had
smaller
1
C
values
than
boreale
indicum
did
even
for
infraspecific
variations.
showed
5
S
18
rDNA
genes
present
one
pairs
(cytotype
I)
regardless
differences
observed
individual
karyotypes.
contrast,
pair
commonly
different
chromosomes
boreale,
indicum,
intermediate-type
populations.
case
genes,
major
types
three
or
four
short
arms
(cytotypes
II
IV),
an
additional
signal
detected
few
individuals
III).
total,
five
cytotypes
including
cytotype
V,
only
colocalized
signals
4.
Consequently,
we
concluded
white
ray
flowers
cytogenetically
distinguished
whereas
there
no
distinctive
features
between
yellow
flowers.