BMC Ecology and Evolution,
Год журнала:
2022,
Номер
22(1)
Опубликована: Апрель 30, 2022
Abstract
Background
The
genus
Ligusticum
belongs
to
Apiaceae,
and
its
taxonomy
has
long
been
a
major
difficulty.
A
robust
phylogenetic
tree
is
the
basis
of
accurate
taxonomic
classification
.
We
herein
used
26
(including
14
newly
sequenced)
plastome-scale
data
generate
reliable
trees
explore
relationships
Chinese
Results
found
that
these
plastid
genomes
exhibited
diverse
plastome
characteristics
across
all
four
currently
identified
clades
in
China,
while
protein-coding
genes
were
conserved.
analyses
by
concatenation
coalescent
methods
obtained
more
molecular
phylogeny
than
prior
studies
showed
non-monophyly
In
concatenation-based
analyses,
two
datasets
yielded
slightly
different
topologies
may
be
primarily
due
discrepancy
number
variable
sites.
Conclusions
Our
phylogenomics
emphasized
current
circumscription
should
reduced,
urgently
needs
revision.
Wider
taxon
sampling
including
related
species
will
necessary
this
genus.
Overall,
our
study
provided
new
insights
into
would
serve
as
framework
for
future
on
delimitation
from
perspective
genome.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Авг. 10, 2024
Complex
coumarins
(CCs)
represent
characteristic
metabolites
found
in
Apiaceae
plants,
possessing
significant
medical
value.
Their
essential
functional
role
is
likely
as
protectants
against
pathogens
and
regulators
responding
to
environmental
stimuli.
Utilizing
genomes
transcriptomes
from
34
including
our
recently
sequenced
Peucedanum
praeruptorum,
we
conduct
comprehensive
phylogenetic
analyses
reconstruct
the
detailed
evolutionary
process
of
CC
biosynthetic
pathway
Apiaceae.
Our
results
show
that
three
key
enzymes
-
p-coumaroyl
CoA
2'-hydroxylase
(C2'H),
C-prenyltransferase
(C-PT),
cyclase
originated
successively
at
different
nodes
within
through
various
means
gene
duplications:
ectopic
tandem
duplications.
Neofunctionalization
endows
these
with
novel
functions
necessary
for
biosynthesis,
thus
completing
pathway.
Candidate
genes
are
cloned
heterologous
expression
subjected
vitro
enzymatic
assays
test
hypothesis
regarding
origins
enzymes,
precisely
validate
inferences.
Among
C-PTs
primary
determinant
structural
diversity
CCs
(linear/angular),
due
divergent
activities
evolved
target
positions
(C-6
or
C-8)
umbelliferone.
A
amino
acid
variation
(Ala161/Thr161)
identified
proven
play
a
crucial
alteration
activity,
possibly
resulting
distinct
binding
forms
between
substrates,
thereby
leading
products.
In
conclusion,
this
study
provides
trajectory
establishment
evolution
It
explains
why
only
portion,
not
all,
plants
can
produce
reveals
mechanisms
among
plants.
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
Abstract
Background
Gene
transfer
between
the
organelles
and
nucleus
plays
a
central
role
in
shaping
plant
genome
evolution.
The
identification
analysis
of
nuclear
DNA
plastid
(NUPTs)
mitochondrial
(NUMTs)
origins
are
important
for
exploring
extent
intracellular
genomes.
Results
We
report
complete
genomes
(plastome
mitogenome)
Cicuta
virosa
(Apiaceae)
as
well
draft
using
high-fidelity
(HiFi)
PacBio
sequencing
technologies.
C.
plastome
(154,449
bp)
is
highly
conserved,
with
quadripartite
structure,
whereas
mitogenome
(406,112
exhibits
two
chromosomes
(352,718
bp
53,394
bp).
mitochondrial-encoded
genes
(
rpl2
,
rps14
rps19
sdh3
)
were
successfully
transferred
to
genome.
Our
findings
revealed
extensive
from
nucleus,
6,686
NUPTs
6,237
NUMTs
detected,
covering
nearly
entire
(99.93%)
substantial
portion
(77.04%).
These
transfers
exhibit
range
sequence
identities
(80–100%),
suggesting
multiple
events
over
evolutionary
timescales.
Recent
more
frequent
mitochondria
than
that
plastids.
Conclusions
This
study
contributes
understanding
ongoing
evolution
underscores
significance
organelle-nuclear
interplay
species.
provide
valuable
insights
into
processes
shape
organelle
Apiaceae,
implications
broader
Abstract
Background
The
Peucedanum
genus
is
the
backbone
member
of
Apiaceae,
with
many
economically
and
medically
important
plants.
Although
previous
studies
on
provide
us
a
good
research
basis,
there
are
still
unclear
phylogenetic
relationships
taxonomic
problems
in
,
robust
framework
this
has
not
been
obtained,
which
severely
hampers
improvement
revision
system
for
genus.
plastid
genomes
possessing
more
variable
characters
have
potential
reconstructing
phylogeny
Results
In
current
study,
we
newly
sequenced
assembled
seven
genomes.
Together
five
previously
published
performed
comprehensively
comparative
analyses
Twelve
plastomes
were
similar
terms
genome
structure,
codon
bias,
RNA
editing
sites,
SSRs,
but
varied
size,
gene
content
arrangement,
border
SC/IR.
Fifteen
mutation
hotspot
regions
identified
among
that
can
serve
as
candidate
DNA
barcodes
species
identification
.
Our
based
generated
high
supports
resolutions
robustly
supported
non-monophyly
Conclusion
showed
both
conservation
diversity.
data
efficient
powerful
improving
complex
summary,
our
study
provides
new
sights
into
evolution,
taxonomy,
species.
Molecular Biology and Evolution,
Год журнала:
2022,
Номер
39(12)
Опубликована: Дек. 1, 2022
Abstract
The
Angiosperms353
gene
set
(AGS)
consists
of
a
353
universal
low-copy
nuclear
genes
that
were
selected
by
examining
more
than
600
angiosperm
species.
These
can
be
used
for
phylogenetic
studies
and
population
genetics
at
multiple
taxonomic
scales.
However,
current
pipelines
are
not
able
to
recover
efficiently
accurately
from
high-throughput
sequences.
Here,
we
developed
Easy353,
reference-guided
assembly
tool
the
AGS
sequencing
(HTS)
data
(including
genome
skimming,
RNA-seq,
target
enrichment).
Easy353
is
an
open-source
user-friendly
assembler
diverse
types
data.
It
has
graphical
user
interface
command-line
compatible
with
all
widely-used
computer
systems.
Evaluations,
based
on
both
simulated
empirical
data,
suggest
yields
low
rates
errors.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 2, 2025
Peucedanum
japonicum
(PJ),
a
member
of
the
Apiaceae
family,
is
widely
distributed
and
cultivated
in
East
Asian
countries
for
edible
functional
foods.
In
this
study,
we
compared
plastid
genomes
(plastomes)
45S
nuclear
ribosomal
DNA
(45S
nrDNA)
simultaneously
from
10
PJ
collections.
Plastome-based
phylogenetic
analysis
showed
that
accessions
were
monophyletic
within
genus
Peucedanum.
However,
ten
plastomes
classified
into
two
different
groups
according
to
their
length
inverted
repeat
(IR)
block,
short-type
(S-type)
plastome
group
containing
18.6
kbp
original
IR
long-type
(L-type)
35.7
expanded
by
duplication
17.1
large
single
copy
region.
A
total
nine
nucleotide
polymorphisms
eight
insertions
or
deletions
identified
among
five
L-type
plastomes,
whereas
variations
S-type
plastomes.
Calculation
synonymous
substitution
rates
divergence
time
estimation
suggested
17
expansion
occurred
recently.
Molecular
markers
developed
validated
classify
55
germplasm
types.
Our
study
would
be
useful
unraveling
dynamic
evolution
family
molecular
breeding
PJ.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 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.
Abstract
Background
The
East
Asian
subtropical
evergreen
broad-leaved
forests
(EBLFs)
harbor
remarkable
biodiversity.
However,
their
historical
assembly
remains
unclear.
To
gain
new
insights
into
the
of
this
biome,
we
generated
a
molecular
phylogeny
one
its
essential
plant
groups,
tribe
Perseeae
(Lauraceae).
Results
Our
plastid
tree
topologies
were
robust
to
analyses
based
on
different
regions
and
strategies
for
data
partitioning,
nucleotide
substitution
saturation,
gap
handling.
We
found
that
comprised
six
major
clades
began
colonize
EBLFs
Asia
in
early
Miocene.
diversification
rates
accelerated
twice
late
Conclusions
findings
suggest
intensified
precipitation
Miocene
may
have
facilitated
range
expansions
establishment
within
biome.
By
Miocene,
species
had
become
rapid.
Abstract
Background
The
Ferula
genus
encompasses
180–185
species
and
is
one
of
the
largest
genera
in
Apiaceae,
with
many
possessing
important
medical
value.
previous
studies
provided
more
information
for
,
but
its
infrageneric
relationships
are
still
confusing.
In
addition,
genetic
basis
adaptive
evolution
remains
poorly
understood.
Plastid
genomes
variable
sites
have
potential
to
reconstruct
robust
phylogeny
plants
investigate
plants.
Although
chloroplast
been
reported
within
genus,
few
conducted
using
genomes,
especially
endemic
China.
Results
Comprehensively
comparative
analyses
22
newly
sequenced
assembled
plastomes
indicated
that
these
had
highly
conserved
genome
structure,
gene
number,
codon
usage,
repeats
type
distribution,
varied
size,
GC
content,
SC/IR
boundaries.
Thirteen
mutation
hotspot
regions
were
detected
they
would
serve
as
promising
DNA
barcodes
candidates
identification
related
genera.
Phylogenomic
high
supports
resolutions
showed
Talassia
transiliensis
Soranthus
meyeri
nested
thus
should
be
transferred
into
genus.
Our
phylogenies
also
monophyly
subgenera
Sinoferula
Narthex
Twelve
genes
significant
posterior
probabilities
identified
positively
selective
analysis,
their
function
may
relate
photosystem
II,
ATP
subunit,
NADH
dehydrogenase.
Most
them
might
play
an
role
help
adapt
high-temperatures,
strong-light,
drought
habitats.
Conclusion
Plastome
data
powerful
efficient
improve
support
resolution
complicated
phylogeny.
helpful
harsh
environment.
Overall,
our
study
supplies
a
new
perspective
comprehending
.