Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 24, 2023
Abstract
Background
Prunus
Cistena
is
an
excellent
color
leaf
configuration
tree
for
urban
landscaping
in
the
world,
which
has
purplish
red
leaves,
light
pink
flowers,
plant
shape
and
high
ornamental
value.
Genomic
resources
P.
are
scarce,
a
clear
phylogenetic
evolutionary
history
this
species
yet
to
be
elucidated.
Here,
we
sequenced
analyzed
complete
chloroplast
(cp)
genome
of
compared
it
with
related
genus
based
on
genome.
Results
The
was
157,935
bp
length,
had
typical
tetrad
structure.
overall
GC
content
36.72%,
while
IR
regions
displayed
higher
than
LSC
SSC
regions.
It
encoded
130
genes,
including
85
protein-coding
37
tRNA
8
rRNA
genes.
ycf3
clpP
genes
two
introns;
longest
intron
trnK-UUU
gene
region.
There
were
253
SSRs,
mononucleotide
SSRs
most
abundant.
sequences
arrangements
conserved,
structure
order
similar
other
species.
atpE
,
ccsA
petA
r
ps8
matK
significant
positive
selection
close
relationship
jamasakura
.
coding
region
more
conserved
noncoding
region,
cpDNA
highly
throughout
Conclusions
current
genomic
datasets
provide
valuable
information
further
identification,
evolution,
research
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 1, 2025
ABSTRACT
The
genus
Polygonatum
boasts
abundant
germplasm
resources
and
comprises
numerous
species.
Among
these,
medicinal
plants
of
this
genus,
which
have
a
long
history,
garnered
attention
scholars.
This
study
sequenced
analyzed
the
chloroplast
genomes
six
species
(
P.
zanlanscianense
,
kingianum
sibiricum
cyrtonema
filipes
odoratum
respectively)
to
explore
their
interspecific
relationships.
sequence
length
(154,
578–155,
807
bp)
genome
structure
were
conserved
among
species,
with
typical
tetrad
structure.
127–131
genes
contained
in
genomes,
84–85
are
protein‐coding
genes,
37–38
transfer
RNA
6–8
ribosomal
genes.
64–76
simple
repeats
(SSRs)
36–62
repetitive
sequences.
Codon
bias
patterns
tended
use
codons
ending
A/T.
In
30
types
RSCU
>
1,
93.3%
ended
A/T
Twenty‐one
highly
variable
plastid
regions
identified
plants.
Furthermore,
phylogenetic
analysis
encompassing
these
53
other
revealed
that
clustered
together
on
one
clade,
whereas
formed
separate
clades.
Notably,
emerged
as
standalone
our
tree
reinforces
classification
forming
monophyly.
provides
novel
basis
for
intragenus
taxonomy
DNA
barcoding
molecular
identification
within
Genes,
Journal Year:
2025,
Volume and Issue:
16(4), P. 398 - 398
Published: March 29, 2025
Background/Objectives:
Polygonatum
grandicaule
Y.S.Kim,
B.U.Oh
&
C.G.Jang
(Asparagaceae
Juss.),
a
Korean
endemic
species,
has
been
described
based
on
its
erect
stem,
tubular
perianth
shape,
and
pedicel
length.
However,
taxonomic
status
remains
unclear
due
to
limited
molecular
data.
Methods:
This
study
presents
the
complete
plastid
genomes
(plastomes)
of
two
P.
individuals
close
relative,
odoratum
(Mill.)
Druce
var.
thunbergii
(C.Morren
Decne.)
H.Hara.
Results:
The
plastomes,
ranging
from
154,578
154,579
base
pairs
(bp),
are
identical
those
falcatum
A.Gray,
odoratum,
another
infundiflorum
C.G.Jang.
All
contain
78
protein-coding
genes
(PCGs),
30
tRNA
genes,
four
rRNA
except
for
pseudogene
infA.
Phylogenetic
analyses
using
PCGs
whole
intergenic
spacer
(IGS)
regions
strongly
support
three
sections
within
Mill.
show
that
variety
nested
falcatum,
grandicaule,
infundiflorum.
Conclusions:
Given
genomic
variation
phylogenetic
relationships,
we
propose
treating
as
part
complex,
despite
their
morphological
differences.
offers
valuable
putative
markers
species
identification
supports
application
plastome-based
super-barcoding
in
morphologically
diverse
genus
Polygonatum.
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Dec. 26, 2024
Abstract
The
Malvaceae
family,
comprising
9
subfamilies
and
4,225
species,
includes
economically
significant
taxa,
such
as
Ceiba
pentandra
,
Gossypium
ekmanianum
stephensii
Kokia
drynarioides
Talipariti
hamabo
Durio
zibethinus
.
Chloroplast
(cp)
genome
research
is
crucial
for
elucidating
the
evolutionary
divergence
species
identification
within
this
family.
In
study,
we
assembled
annotated
cp
genomes
of
six
conducting
comprehensive
comparative
genomic
phylogenomic
analyses.
range
from
160,495
to
163,970
bp
in
size,
with
125–129
genes
annotated.
Notable
differences
were
observed
IR
(inverted
repeat)
regions,
SSR
analysis
revealed
that
has
highest
number
specific
variation
sites.
Among
uniquely
exhibits
more
palindromic
repeats
than
forward
repeats.
Seven
highly
mutated
regions
identified,
offering
potential
markers
identification.
Phylogenetic
reconstruction
using
maximum
likelihood
method
two
primary
clades
Malvaceae:
Byttneriina
Malvadendrina.
Within
Malvadendrina,
subfamily
Helicteroideae
represents
earliest
divergence,
followed
by
Sterculioideae.
This
study
provides
a
robust
phylogenetic
framework
valuable
insights
into
classification
history
species.
Genes,
Journal Year:
2024,
Volume and Issue:
15(11), P. 1399 - 1399
Published: Oct. 30, 2024
(L.)
Schonl.
is
a
very
small
annual
plant
growing
along
riverbanks.
Chloroplast
(cp)
genomes,
crucial
for
photosynthesis,
are
highly
conserved
and
play
key
role
in
understanding
evolution.
In
this
study,
we
conducted
cp
genome
analysis
of
BMC Genomics,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: Dec. 5, 2023
Abstract
Background
Prunus
cistena
is
an
excellent
color
leaf
configuration
tree
for
urban
landscaping
in
the
world,
which
has
purplish
red
leaves,
light
pink
flowers,
plant
shape
and
high
ornamental
value.
Genomic
resources
P.
are
scarce,
a
clear
phylogenetic
evolutionary
history
this
species
yet
to
be
elucidated.
Here,
we
sequenced
analyzed
complete
chloroplast
genome
of
compared
it
with
related
genus
based
on
genome.
Results
The
157,935
bp
long
typical
tetrad
structure,
overall
GC
content
36.72%
higher
inverted
repeats
(IR)
regions
than
large
single-copy
(LSC)
small
(SSC)
regions.
It
contains
130
genes,
including
85
protein-coding
37
tRNA
8
rRNA
genes.
ycf3
clpP
genes
have
two
introns,
longest
intron
trnK-UUU
gene
LSC
region.
Moreover,
total
253SSRs,
mononucleotide
SSRs
being
most
abundant.
sequences
arrangements
highly
conserved,
structure
order
similar
other
species.
atpE
,
ccsA
petA
rps8
matK
undergone
significant
positive
selection
close
relationship
jamasakura
.
coding
IR
more
conserved
noncoding
regions,
DNA
throughout
Conclusions
current
genomic
datasets
provide
valuable
information
further
identification,
evolution,
research