BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Dec. 19, 2024
Numerous
species
of
Ardisia
are
widely
used
for
their
medicinal
and
ornamental
values
in
China.
However,
accurately
identifying
at
the
molecular
level
remains
a
challenge
due
to
morphological
similarities
among
different
species,
complexity
interspecific
variation,
limited
availability
genetic
markers.
In
this
study,
we
reported
20
chloroplast
genomes
from
China
combined
them
with
8
previously
published
conduct
comprehensive
analysis
phylogenetic
relationships
adaptive
evolution.
For
28
analyzed
size
ranged
155,088
bp
156,999
bp,
all
exhibited
typical
tetrad
structure
conserved
gene
content
number.
Each
genome
contained
85–88
protein-coding
genes,
36–37
tRNA
rRNA
genes.
Comparative
showed
that
genomic
structures
order
were
relatively
slight
variations
inverted
repeat
regions
(IRs).
Simple
sequence
repeats
(SSRs)
predominantly
single
nucleotide
repeats,
while
sequences
mainly
composed
palindromic
forward
repeats.
Twelve
highly
variable
identified
as
potential
DNA
barcodes
identification
Ardisia.
The
tree
supported
division
subgenus
Bladhia
s.l.
into
two
subgenera:
s.str.
Odontophylla
(Yang)
Huang.
Further
investigation
revealed
genes
(rbcL
rpoC2)
under
positive
selection
might
be
associated
adaptation
shaded
environments.
Our
study
explore
By
combining
these
results
data
eight
genomes,
essential
characteristics
clarified.
research
establishes
theoretical
basis
classification,
identification,
comprehension
evolution
species.
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Jan. 24, 2024
Abstract
Background
The
genus
Sanicula
L.
is
a
unique
perennial
herb
that
holds
important
medicinal
values.
Although
the
previous
studies
on
provided
us
with
good
research
basis,
its
taxonomic
system
and
interspecific
relationships
have
not
been
satisfactorily
resolved,
especially
for
those
endemic
to
China.
Moreover,
evolutionary
history
of
this
also
remains
inadequately
understood.
plastid
genomes
possessing
highly
conserved
structure
limited
rate
proved
be
an
effective
tool
studying
plant
phylogeny
evolution.
Results
In
current
study,
we
newly
sequenced
assembled
fifteen
complete
plastomes.
Combined
two
previously
reported
plastomes,
performed
comprehensively
phylogenomics
analyses
gain
novel
insights
into
genus.
comparative
results
indicated
seventeen
plastomes
exhibited
high
degree
conservation
similarity
in
terms
their
structure,
size,
GC
content,
gene
order,
IR
borders,
codon
bias
patterns
SSRs
profiles.
Such
as
all
them
displayed
typical
quadripartite
including
large
single
copy
region
(LSC:
85,074–86,197
bp),
small
(SSC:
17,047–17,132
bp)
separated
by
pair
inverted
repeat
regions
(IRs:
26,176–26,334
bp).
And
had
similar
boundaries
adjacent
genes
were
identical.
rps
19
was
located
at
junction
LSC/IRa,
IRa/SSC
between
trn
N
ndh
F
gene,
ycf
1
appeared
SSC/IRb
IRb/LSC
boundary
rpl
12
H
gene.
Twelve
specific
mutation
hotspots
(
atp
F,
cem
A,
acc
D,
22,
rbc
L,
mat
K,
1,
-psb
4
-cem
L
-acc
E
-trn
T
G
R)
identified
can
serve
potential
DNA
barcodes
species
identification
within
.
Furthermore,
data
Internal
Transcribed
Spacer
(ITS)
sequences
reconstruct
Sanicula.
tree
topologies
incongruent,
both
strong
evidence
supporting
monophyly
Saniculoideae
Apioideae.
addition,
sister
groups
Apioideae
strongly
suggested.
involved
study
clustered
clade,
Eryngium
together.
However,
it
clearly
observed
sections
respectively
recovered
monophyletic
group.
Molecular
dating
analysis
explored
origin
occurred
during
late
Eocene
period,
approximately
37.84
Ma
(95%
HPD:
20.33–52.21
Ma)
years
ago
diversification
early
Miocene
18.38
10.68–25.28
Ma).
Conclusion
plastome-based
ITS-based
generated
incongruences,
which
may
attributed
event
hybridization/introgression,
incomplete
lineage
sorting
(ILS)
chloroplast
capture.
Our
highlighted
power
plastome
significantly
improve
phylogenetic
supports
resolutions,
efficiently
explore
Miocene,
largely
influenced
prevalence
East
Asian
monsoon
uplift
Hengduan
Mountains
(HDM).
summary,
our
provides
evolution,
relationships,
framework
evolution
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 8, 2025
The
genus
Cyclorhiza
is
endemic
to
China
and
belongs
the
Apiaceae
family,
which
widely
distributed
in
Himalaya-Hengduan
Mountains
(HHM)
region.
However,
its
morphology,
phylogeny,
phylogeography,
taxonomy,
evolutionary
history
were
not
investigated
due
insufficient
sampling
lack
of
population
plastome
data.
Additionally,
we
found
that
Seseli
purpureovaginatum
was
similar
members
but
resembled
species
indicating
taxonomic
position
S.
needs
be
re-evaluated.
First,
observed
morphology
genus.
Second,
newly
sequenced
four
plastomes
conducted
comparative
analyses.
Third,
used
internal
transcribed
spacer
(ITS)
chloroplast
DNA
(cpDNA)
(matK,
trnQ-rps16,
trnD-trnT)
from
27
populations
totaling
244
individuals
explore
genetic
diversity
structure.
Finally,
performed
phylogenetic
analyses
based
on
three
datasets
(plastome
data,
ITS
sequences,
haplotypes)
estimated
origin
divergence
time
plants
highly
similar,
their
structure
features
conserved.
possessed
high
significant
lineage
geographic
structure,
may
associated
with
long-term
history,
complex
terrain
habitat,
sexual
reproduction
mode.
originated
late
Eocene
(36.03
Ma),
closely
related
early
uplift
Qinghai-Tibetan
Plateau
(QTP)
Hengduan
(HDM).
diversification
occurred
Oligocene
(25.43
largely
influenced
by
colonization
available
climate
terrain.
results
showed
clustered
into
a
separate
clade
nested
within
Cyclorhiza.
waltonii
sister
peucedanifolia,
puana
purpureovaginatum.
Thus,
analyses,
evidence,
should
transferred
All
these
evidences
further
supported
monophyly
after
including
clarified
generic
limits
provided
classification
key
index
for
In
conclusion,
study
comprehensively
evolution
first
time.
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Aug. 15, 2024
The
genus
Hydrocotyle
Tourn.
ex
L.
is
a
key
group
for
further
study
on
the
evolution
of
Apiales,
comprising
around
170
species
globally.
Previous
studies
mainly
focused
separate
sections
and
provided
much
information
about
this
genus,
but
its
infrageneric
relationships
are
still
confusing.
In
addition,
genetic
basis
adaptive
remains
poorly
understood.
To
investigate
phylogeny
we
selected
ten
representative
covering
two
three
diversity
distribution
centers
exhibiting
rich
morphology
diversity.
Comparative
plastome
analysis
was
conducted
to
clarify
structural
character
plastomes.
Positive
selection
analyses
were
implemented
assess
genus.
Phylogenetic
inferences
with
protein-coding
sequences
(CDS)
17
related
also
performed.
Plastomes
within
generally
conservative
in
structure,
gene
order,
size.
A
total
14
regions
(rps16-trnK,
trnQ-rps16,
atpI-atpH,
trnC-petN-psbM,
ycf3-trnS,
accD-psaI-ycf4,
petA-psbJ,
rps12-rpl20,
rpl16
intron,
rps3-rpl16
rps9-rpl22,
ndhF-rpl32,
ndhA
ycf1a)
recognized
as
hotspot
which
suggested
be
promising
DNA
barcodes
global
phylogenetic
Hydrocotyle.
ycf15
species,
it
could
used
barcode
identify
analysis,
monophyletic
clades
(Clade
I,
II,
III)
identified
evidence
rapid
radiation
speciation
Clade
I.
selective
pressure
detected
that
six
CDS
genes
(ycf1b,
matK,
atpF,
accD,
rps14,
psbB)
under
positive
selection.
Within
last
four
conservative,
suggesting
relation
unique
Apiales.
Seven
(atpE,
psbH,
ycf1a,
ycf1b,
rpoA,
ycf2)
some
degree
different
taxa
Hydrocotyle,
indicating
their
role
species.
Our
offers
new
insights
into
significantly
enhance
resolution
provide
genomic
resources
potential
markers
useful
future
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Nov. 28, 2024
Tribe
Oenantheae
consists
mainly
of
aquatic
species
within
the
Apioideae.
The
unique
morphology
and
habitat
distinguish
this
group
from
other
Apioideae
groups.
However,
genomic
information
these
has
not
been
widely
developed,
molecular
mechanisms
adaptive
evolution
remain
unclear.
We
provide
comparative
analyses
on
30
chloroplast
genomes
tribe
representing
five
genera
to
explore
variation
response
plant
adaptations.
presented
typical
quadripartite
structures,
with
sizes
ranging
153,024
bp
155,006
bp.
Gene
content
order
were
highly
conserved
no
significant
expansion
or
contraction
observed.
Seven
regions
(rps16
intron–trnK,
rpoB–trnC,
trnE–trnT–psbD,
petA–psbJ,
ndhF–rpl32–trnL,
ycf1a–rps15,
ycf1a
gene)
identified
as
remarkable
candidate
DNA
markers
for
future
studies
identification,
biogeography,
phylogeny
Oenantheae.
Our
study
elucidated
relationships
among
subdivided
Sium
Oenanthe.
Oenanthe
I
clade
be
further
clarified.
Eight
positively
selected
genes
(accD,
rbcL,
rps8,
ycf1a,
ycf1b,
ycf2,
ndhF,
ndhK)
persuasively
detected
under
site
models
tests,
might
have
played
roles
in
adaptation
environments.
results
sufficient
subsequent
Oenantheae,
promote
understanding
Genes,
Journal Year:
2024,
Volume and Issue:
15(7), P. 884 - 884
Published: July 5, 2024
Cynanchum
belongs
to
the
Apocynaceae
family
and
is
a
morphologically
diverse
genus
that
includes
around
200
shrub
or
perennial
herb
species.
Despite
utilization
of
CPGs,
few
molecular
phylogenetic
studies
have
endeavored
elucidate
infrafamilial
relationships
within
through
extensive
taxon
sampling.
In
this
research,
we
constructed
phylogeny
estimated
divergence
time
based
on
chloroplast
genomes
(CPGs)
nine
We
sequenced
annotated
(CP)
in
study.
The
comparative
analysis
these
from
species
revealed
typical
quadripartite
structure,
with
total
sequence
length
ranging
158,283
161,241
base
pairs
(bp).
CP
genome
(CPG)
was
highly
conserved
moderately
differentiated.
Through
annotation,
identified
129–132
genes.
Analysis
boundaries
inverted
repeat
(IR)
regions
showed
consistent
positioning:
rps19
gene
located
IRb
region,
varying
46
50
bp.
IRb/SSC
junctions
were
between
trnN
ndhF
did
not
detect
major
expansions
contractions
IR
region
rearrangements
insertions
CPGs
results
SSR
variation
number
SSRs,
112
150.
five
types
largest
mononucleotide
repeats,
smallest
hexanucleotide
repeats.
long
repeats
cp
35
80.
Cynanchum,
GC3s
values
ranged
26.80%
27.00%,
indicating
strong
bias
towards
A/U-ending
codons.
Comparative
analyses
four
hotspot
CPG,
ndhA-ndhH,
trnI-GAU-rrn16,
psbI-trnS-GCU,
rps7-ndhB,
which
could
potentially
serve
as
markers.
addition,
tree
construction
CPG
indicated
formed
monophyletic
group.
Molecular
dating
suggested
diverged
its
sister
approximately
18.87
million
years
ago
(Mya)
diversification
primarily
occurred
during
recent
Miocene
epoch.
estimation
presented
study
will
facilitate
future
research
aid
differentiation,
investigations
into
economically
ecologically
important
genus.
Antioxidants,
Journal Year:
2023,
Volume and Issue:
13(1), P. 7 - 7
Published: Dec. 19, 2023
Ferula
is
a
genus
of
flowering
plants
known
for
its
edible
and
medicinal
properties.
Since
ancient
times,
many
species
have
been
used
in
traditional
medicine
to
treat
various
health
issues
across
countries,
such
as
digestive
disorders,
respiratory
problems,
even
remedy
headaches
toothaches.
In
addition,
they
are
also
flavoring
agent
cuisines.
As
the
main
active
ingredients
Ferula,
sesquiterpenes
their
derivatives,
especially
sesquiterpene
coumarins,
phenylpropanoids,
chromones,
attracted
attention
scientists
due
diversity
chemical
structures,
well
extensive
promising
biological
properties,
antioxidative,
anti-inflammatory,
antibacterial
However,
there
has
not
comprehensive
review
derivatives
from
this
plant.
This
aims
provide
an
overview
biosynthetic
pathways,
properties
which
may
help
guide
future
research
directions
possible
application
methods
valuable