Journal of Systematics and Evolution,
Journal Year:
2023,
Volume and Issue:
62(3), P. 333 - 357
Published: Oct. 10, 2023
Abstract
The
discontinuous
geographic
distribution
pattern
of
plants
in
the
north
temperate
zone
has
been
a
focus
biogeographic
research,
especially
concerning
mechanisms
behind
formation
such
and
spatial
temporal
evolution
this
intermittent
pattern.
Hypotheses
boreotropical
origin,
land
bridge
migration,
out‐of‐Tibet
have
proposed
to
explain
Lonicera
shows
typical
Europe–Asia–North
America
distribution,
which
makes
for
good
case
study
investigate
above
three
hypotheses.
In
study,
we
inferred
phylogeny
based
on
plastid
genomes
nuclear
data
set
with
broad
taxon
sampling,
covering
83
species
representing
two
subgenera
four
sections.
Both
phylogenetic
analyses
found
section
Isika
polyphyletic,
while
sections
Nintooa
,
Isoxylosteum
Coelxylosteum
were
monophyletic
subgenus
Chamaecerasus
.
Based
chloroplast
phylogeny,
suggest
transferring
maximowiczii
tangutica
into
Reconstruction
ancestral
areas
suggests
that
originated
Qinghai–Tibetan
Plateau
(QTP)
and/or
Asia,
subsequently
dispersed
other
regions.
aridification
Asian
interior
may
facilitated
rapid
radiation
region.
At
same
time,
uplifts
Tibetan
appear
triggered
spread
recent
diversification
genus
QTP
adjacent
areas.
Overall,
our
results
deepen
understanding
evolutionary
history
New Phytologist,
Journal Year:
2022,
Volume and Issue:
238(2), P. 888 - 903
Published: Oct. 28, 2022
Summary
Hybridization
caused
by
frequent
environmental
changes
can
lead
both
to
species
diversification
(speciation)
and
speciation
reversal
(despeciation),
but
the
latter
has
rarely
been
demonstrated.
Parthenocissus
,
a
genus
with
its
trifoliolate
lineage
in
Himalayan–Hengduan
Mountains
(HHM)
region
showing
perplexing
phylogenetic
relationships,
provides
an
opportunity
for
investigating
dynamics
based
on
integrated
evidence.
We
investigated
discordance
reticulate
evolution
rigorous
analyses
of
plastome
transcriptome
data.
focused
reticulations
HHM
using
population‐level
genome
resequencing
dataset,
incorporating
evidence
from
morphology,
distribution,
elevation.
Comprehensive
confirmed
multiple
introgressions
within
robust
temporal–spatial
framework.
Around
region,
at
least
three
hybridization
hot
spots
were
identified,
one
which
showed
ongoing
reversal.
present
solid
case
study
integrative
methodological
approach
investigate
evolutionary
history
underlying
mechanisms
plants.
It
demonstrates
example
through
hybridizations
new
perspectives
mountainous
areas
strong
topographic
heterogeneity.
BMC Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: April 29, 2025
Abstract
Background
The
Neotropics
are
considered
one
of
the
most
biodiverse
areas
in
world,
housing
at
least
third
all
vascular
plant
species.
One
genera
that
has
diversified
is
Magnolia
,
with
about
174
species
three
sections
(
Macrophylla
and
Talauma
)
endemic
to
Americas.
In
this
work,
we
study
biogeographic
history
Neotropical
using
high-throughput
sequencing
data.
Sequences
from
39
(38
sister
genus
Liriodendron
were
assembled.
dataset
contained
sequences
239
nuclear
targets
complete
chloroplast
genomes.
Phylogenomic
hypotheses
ancestral
distribution
range
reconstructed.
Results
results
calibrated
phylogenetic
construction
suggest
earliest
arrival
ancestors
section
million
years
ago),
which
colonized
Pacific
region.
This
early
presence
South
America
suggests
long-distance,
overwater
dispersal
North
America,
presumed
origin
.
analysis
extant
indicate
a
south
north
recolonization.
other
two
sections,
migrated
around
19
mya
Asia
radiating
southward
afterwards,
11
mya.
Conclusions
Our
magnolias
originated
American
ancestor.
current
arrived
region
independently
influenced
by
climatic
processes
such
as
temperature
drops
or
Miocene
Climatic
Optimum.
Additionally,
geological
processes,
movement
land
masses
emergence
Panama
isthmus,
facilitated
migration
between
continents.
Journal of Systematics and Evolution,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
Abstract
Species
are
distributed
heterogeneously,
and
different
regions
have
contrasting
numbers
of
species,
producing
species
richness
anomalies.
More
than
100
angiosperm
genera
demonstrate
disjunct
distributions
in
at
least
two
these
regions:
Europe,
eastern
North
America,
western
East
Asia,
commonly
between
Asia
America.
These
similar
climates
but
usually
exhibit
anomalies;
however,
the
underlying
causes
anomalies
intercontinental
remain
poorly
understood.
In
this
study,
we
investigated
drivers
ash
tree
(genus
Fraxinus
L.)
among
based
on
distribution
data,
macrofossil
records,
corresponding
evolutionary
environmental
variables.
Generalized
linear
regression
pathway
model
analyses
incorporating
processes
indicated
that
global
cooling
has
contributed
to
low
whereas
divergence,
shaped
distinct
patterns
(which
was
identified
as
an
cradle)
America
museum).
Environmental
heterogenies
divergence
resulted
a
significant
diversity
anomaly
regions.
This
study
emphasizes
important
role
evolution
formation
patterns.
Plant Diversity,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
Evergreen
broad-leaved
forests
(EBLFs)
are
widely
distributed
in
East
Asia
and
play
a
vital
role
ecosystem
stability.
The
occurrence
of
these
has
been
subject
debate
across
various
disciplines.
In
this
study,
we
explored
the
Asian
EBLFs
from
paleobotanical
perspective.
By
collecting
plant
fossils
four
regions
Asia,
have
established
evolutionary
history
EBLFs.
Through
floral
similarity
analysis
paleoclimatic
reconstruction,
revealed
diverse
spatio-temporal
pattern
for
Asia.
earliest
southern
China
can
be
traced
back
to
middle
Eocene,
followed
by
southwestern
during
late
Eocene-early
Oligocene.
Subsequently,
emerged
Japan
early
Oligocene
eventually
appeared
central-eastern
around
Miocene.
Paleoclimate
simulation
results
suggest
that
precipitation
wettest
quarter
(PWetQ,
mm)
exceeding
600
mm
is
crucial
Furthermore,
heterogeneous
closely
associated
with
evolution
Monsoon.
This
study
provides
new
insights
into
Annals of Botany,
Journal Year:
2022,
Volume and Issue:
130(7), P. 951 - 964
Published: Sept. 8, 2022
With
some
7300
extant
species,
liverworts
(Marchantiophyta)
represent
one
of
the
major
land
plant
lineages.
The
backbone
relationships,
such
as
phylogenetic
position
Ptilidiales,
and
occurrence
timing
whole-genome
duplications,
are
still
contentious.Based
on
analyses
newly
generated
transcriptome
data
for
38
complemented
with
those
publicly
available,
we
reconstructed
evolutionary
history
inferred
gene
duplication
events
along
55
taxon
liverwort
species
tree.Our
phylogenomic
study
provided
an
ordinal-level
nuclear
phylogeny
identified
extensive
tree
conflicts
cyto-nuclear
incongruences.
Gene
based
integrated
phylogenomics
Ks
distributions
indicated
no
evidence
liverworts.With
a
broadened
sampling
transcriptomes,
re-evaluated
liverworts,
ancient
hybridizations
followed
by
incomplete
lineage
sorting
that
shaped
deep
liverworts.
lack
during
evolution
indicates
might
few
embryophyte
lineages
whose
was
not
driven
duplications.
Biology,
Journal Year:
2022,
Volume and Issue:
11(9), P. 1279 - 1279
Published: Aug. 28, 2022
Magnoliaceae
plants
are
industrial
tree
species
with
high
ornamental
and
medicinal
value.
We
published
six
complete
chloroplast
genomes
of
by
using
Illumina
sequencing.
These
showed
a
typical
quadripartite
structure
angiosperm
were
159,901−160,008
bp
in
size.
A
total
324
microsatellite
loci
variable
intergenic
regions
(Pi
>
0.01)
identified
genomes.
Compared
five
other
genomes,
the
contraction
expansion
IR
significantly
different
Manglietia
grandis.
To
gain
more
thorough
understanding
intergeneric
relationships
Magnoliaceae,
we
also
included
31
close
relative
for
phylogenetic
analyses.
New
insights
into
provided
based
on
our
results
previous
morphological,
phytochemical
anatomical
information.
suggest
that
genus
Yulania
should
be
separated
from
Michelia
its
systematic
position
restored;
genera
Paramichelia
Tsoongiodendron
merged
Michelia;
Pachylarnax
Parakmeria
combined
one
genus.
findings
will
provide
theoretical
basis
adjusting
at
molecular
level.
Journal of Systematics and Evolution,
Journal Year:
2023,
Volume and Issue:
63(1), P. 72 - 84
Published: Nov. 27, 2023
Abstract
Tongoloa
is
a
herbaceous
genus
of
East
Asia
Clade
(Apiaceae)
distributed
in
the
alpine
regions.
The
use
DNA
fragments
has
not
provided
well‐resolved
evolutionary
history.
For
this
research,
we
primarily
collected
samples
from
type
localities
and
closely
related
taxa
Hengduan
Mountains.
chloroplast
(cp)
genomes
nuclear
ribosomal
(nr)
repeats
27
were
assembled
using
genome
skimming
sequencing
reads.
We
analyzed
characteristics
cp
genome,
found
remarkable
expansion
Inverted
Repeats.
Three
genes
(
ndhC
,
ndhJ
petG
)
to
photosynthesis
appear
have
undergone
significant
selective
pressure.
Through
high‐resolution
phylogenetic
analysis,
cpDNA
compelling
evidence
supporting
inclusion
Sinolimprichtia
as
an
early
taxon
within
.
However,
nrDNA
suggested
that
belong
distinct
branches.
Morphological
analysis
showed
broadly
oval
fruits
with
cordate
base,
whereas
are
long‐obovate
obtuse
base.
specific
fruit
morphology
was
be
nested
tree.
Ancient
introgression
capture
provide
most
plausible
explanation
for
conflict
between
phylogenies.
Our
study
highlights
potential
impact
complex
history
on
challenges
encountered
previous
taxonomic
treatments.