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.
Frontiers in Genetics,
Journal Year:
2021,
Volume and Issue:
12
Published: Nov. 30, 2021
Chimonanthus
of
Calycanthaceae
is
a
small
endemic
genus
in
China,
with
unusual
winter-blooming
sweet
flowers
widely
cultivated
for
ornamentals
and
medicinal
uses.
The
evolution
plastomes
its
phylogenetic
relationships
remain
unresolved
due
to
limited
availability
genetic
resources.
Here,
we
report
fully
assembled
annotated
chloroplast
genomes
five
species.
the
(size
range
153,010
-
153,299
bp)
reveal
high
similarities
gene
content,
order,
GC
codon
usage,
amino
acid
frequency,
simple
sequence
repeats,
oligonucleotide
synonymous
non-synonymous
substitutions,
transition
transversion
substitutions.
Signatures
positive
selection
are
detected
atpF
rpoB
genes
C.
campanulatus.
correlations
among
InDels,
repeats
weak
strong
distantly
related
species
at
intergeneric
levels,
very
closely
Chloroplast
used
reconstruct
well-resolved
tree,
which
supports
monophyly
Chimonanthus.
Within
Chimonanthus,
praecox
campanulatus
form
one
clade,
while
grammatus,
salicifolius,
zhejiangensis,
nitens
constitute
another
clade.
appears
paraphyletic
salicifolius
suggesting
need
reevaluate
delimitation
nitens.
Calycanthus
diverged
mid-Oligocene;
radiation
extant
was
dated
mid-Miocene,
grammatus
from
other
late
Miocene.
nitens(a),
zhejiangensis
inferred
have
Pleistocene
Quaternary
period,
recent
speciation
relict
lineage
subtropical
forest
regions
eastern
China.
This
study
provides
important
insights
into
genome
features
evolutionary
history
family
Calycanthaceae.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Nov. 27, 2023
A
comparative
analysis
of
chloroplast
(cp)
genomes
and
45s
nuclear
ribosomal
DNA
(nrDNA),
a
phylogenomic
study
six
closely
related
species
(including
an
overlooked
new
species)
genus
Bupleurum
from
the
western
part
Sichuan
Province
in
southwestern
China
were
performed.
The
are
similar
morphologically
it
is
difficult
to
identify
them;
moreover,
their
genetic
relationships
remain
unclear.
It
was
found
that
cp
extremely
similar,
they
highly
homogeneous
terms
genome
structure,
genes
its
arrangement.
Intergenic
spacer
rpl
32-
trn
L,
pet
A-
psb
J,
K-
rps
16,
coding
gene
ycf
1
considered
variable.
In
phylogenetic
trees
constructed
based
on
complete
genome,
protein-coding
sequences,
nrDNA
ITS
Chinese
all
formed
two
major
clades;
among
these
trees,
tree
had
best
resolution;
variable
regions
showed
no
advantage
over
other
molecular
markers.
Among
species,
B.
malconense,
sichuanense
close
relatives
chinense
yinchowense
,
chaishoui
may
also
be
consanguinity,
while
microcephalum,
wenchuanense
pseudochaishoui
related.
At
end,
Z.
Chao
sp.
nov.
described
illustrated,
key
tabulated.
Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(11), P. 1146 - 1146
Published: Oct. 28, 2024
Hybridization
is
considered
an
important
mode
of
species
evolution,
but
the
genetic
evolutionary
process
Anthurium
andraeanum
hybridization
still
poorly
characterized.
In
order
to
provide
molecular
and
morphological
basis
for
phylogenetic
analysis
in
A.
hybridization,
we
analyzed
morphological,
nuclear
genomic,
chloroplast
genomic
data
five
cultivars
explored
correlations
between
different
traits
genome
characteristics.
hybrid
1
‘Baron’
(♀)
×
‘Spice’
(♂)
cross,
2
‘Cheers’
cross.
The
hybrids
reflected
their
parents’
heterozygous
features
morphologies,
genomes,
genomes.
F1
generation
were
widely
separated,
showing
continuous
variation.
Based
on
cluster
analysis,
could
be
divided
into
two
groups.
ISSR
results
highly
correlated
with
spathe
color.
Among
cultivars,
composition
structure
genomes
completely
same
or
similar,
respectively.
Phylogenetic
based
complete
showed
that
stability
high
andraeanum,
manifested
as
uniparental
maternal
inheritance,
where
structural
are
similar
those
parent.
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.
