Mitochondrial DNA Part B,
Journal Year:
2023,
Volume and Issue:
8(11), P. 1145 - 1148
Published: Oct. 30, 2023
Torenia
violacea
(Azaola)
Pennell
1943
as
a
traditional
Chinese
medicine
plant,
has
been
used
to
treat
multiple
diseases.
In
this
study,
we
sequenced,
assembled,
and
characterized
the
complete
plastome
of
T.
violacea.
The
(OQ167784)
exhibited
typical
quadripartite
structure,
with
total
length
154,007
bp,
comprising
pair
inverted
repeats
(IRs;
24,809
bp)
separated
by
large
single-copy
(LSC)
region
(85,559
small
(SSC)
(18,830
bp).
Through
genome
annotation,
identified
133
genes,
including
87
protein-coding
eight
rRNA
38
tRNA
genes.
Phylogenetic
analysis
revealed
close
relationship
between
fournieri.
research
results
provide
basic
genetic
resources
for
development
species
identification
investigation
phylogenetic
relationships
in
genus.
BMC Genomics,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Nov. 21, 2024
The
genus
Amorphophallus
(Araceae)
contains
approximately
250
species,
most
of
which
have
high
ecological
and
economic
significance.
chloroplast
genome
data
the
comprehensive
analysis
structure
is
limited.
In
this
study,
four
genomes
were
sequenced
assembled.
For
first
time,
comparative
analyses
conducted
on
13
species
in
conjunction
with
nine
published
sequences.
exhibited
typical
quadripartite
structures
lengths
ranging
from
164,417
to
177,076
bp.
These
consisted
a
large
single
copy
(LSC,
90,705
−
98,561
bp),
small
(SSC,
14,172
21,575
pair
inverted
repeats
(IRs,
26,225
35,204
bp).
contain
108
113
unique
genes,
including
76
79
protein-coding
28
29
tRNA
4
rRNA
genes.
molecular
structure,
gene
order,
content,
codon
usage,
long
repeats,
simple
sequence
(SSRs)
within
generally
conserved.
However,
several
variations
intron
loss
expansion
IR-SSC
boundary
regions
found
among
these
genomes.
Four
mutational
hotspot
regions,
trnM-atpE,
atpB,
atpB-rbcL
ycf1
identified.
They
could
identify
phylogeny
future
Amorphophallus.
Positive
selection
was
for
rpl36,
ccsA,
rpl16,
rps4,
rps8,
rps11,
rps12,
rps14,
clpP,
rps3,
ycf1,
rpl20,
rps2,
rps18,
rps19,
atpA,
atpF,
rpl14,
rpoA,
rpoC1,
rpoC2
rps15
based
Ka/Ks
ratios.
Phylogenetic
inferences
complete
revealed
sister
relationship
between
Caladieae.
All
formed
monophyletic
evolutionary
clade
divided
into
three
groups,
CA-II,
SEA,
CA-I.
albus,
A.
krausei,
kachinensis
konjac
clustered
CA-II
clade,
paeoniifolius
titanum
SEA
muelleri
'zhuyajin1',
sp,
coaetaneus,
tonkinensis
yunnanensis
CA-
I
clade.
content
are
consistent
across
various
species.
structural
variation
comprehensively
analyzed
time.
results
provide
important
genetic
information
classification,
identification,
breeding,
exploration
Journal of Systematics and Evolution,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 15, 2024
Abstract
Taihangia
rupestris
Yu
&
Li,
an
early
spring
flowering
plant
of
the
Rosaceae
family,
is
classified
as
a
second‐level
protected
species
in
China.
Endemic
to
cliff
faces
Taihang
Mountains
central
China,
this
rare
requires
comprehensive
understanding
and
conservation
approach.
In
study,
we
analyzed
population‐level
genetic
variations
both
chloroplast
nuclear
genomes.
var.
ciliate
exhibited
higher
diversity
than
T.
genome
types.
All
individuals
formed
single
cluster,
while
were
grouped
into
three
distinct
clusters.
Approximately
29.82
Ma,
diverged
from
its
closely
related
species.
appeared
first,
followed
by
differentiation
,
which
adapted
climate
southern
Mountains,
around
3.55
Ma.
Additionally,
our
study
identified
several
genes
potentially
involved
variety
adaptive
differentiation.
These
findings
enhance
environmental
adaptation
two
varieties,
providing
valuable
insights
for
utilization
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: Dec. 30, 2024
The
genus
Lithocarpus
is
a
species-rich
dominant
woody
lineage
in
East
Asian
evergreen
broad-leaved
forests.
Despite
its
ecological
and
economic
significance,
the
plastome
structure
evolutionary
history
of
remain
poorly
understood.
In
this
study,
we
comprehensively
analyzed
34
plastomes
representing
33
species.
Of
which,
21
were
newly
assembled.
plastome-based
phylogenomic
tree
was
reconstructed
to
reveal
maternal
patterns
genus.
Mitochondrial DNA Part B,
Journal Year:
2023,
Volume and Issue:
8(11), P. 1145 - 1148
Published: Oct. 30, 2023
Torenia
violacea
(Azaola)
Pennell
1943
as
a
traditional
Chinese
medicine
plant,
has
been
used
to
treat
multiple
diseases.
In
this
study,
we
sequenced,
assembled,
and
characterized
the
complete
plastome
of
T.
violacea.
The
(OQ167784)
exhibited
typical
quadripartite
structure,
with
total
length
154,007
bp,
comprising
pair
inverted
repeats
(IRs;
24,809
bp)
separated
by
large
single-copy
(LSC)
region
(85,559
small
(SSC)
(18,830
bp).
Through
genome
annotation,
identified
133
genes,
including
87
protein-coding
eight
rRNA
38
tRNA
genes.
Phylogenetic
analysis
revealed
close
relationship
between
fournieri.
research
results
provide
basic
genetic
resources
for
development
species
identification
investigation
phylogenetic
relationships
in
genus.
