Biology,
Journal Year:
2024,
Volume and Issue:
13(12), P. 1085 - 1085
Published: Dec. 22, 2024
Climate
change
and
human
activities
are
expected
to
have
a
profound
impact
on
the
distribution
of
species,
especially
for
narrowly
distributed
species.
Sinojackia
is
endemically
in
China,
all
species
listed
under
Chinese
protected
wild
Here,
we
reconstructed
phylogeny
estimated
divergence
time
based
whole
plastomes,
conducted
niche
evolution,
predicted
potential
habitat
area
from
LGM
future.
Our
results
strongly
supported
monophyly
plastomes.
This
genus
originated
middle
Miocene
diversified
since
late
Miocene.
The
aridity
index
was
highest
significant
factor
its
evolution
rate
increased
slowly
divergence.
precipitation
warmest
quarter
main
environmental
variable
affecting
LGM,
while
footprint
near-current
era
2081–2100.
Compared
current
Sinojackia,
highly
suitable
contracted
but
expanded
during
study
provides
areas
situ
conservation
Sinojackia.
Molecular Ecology,
Journal Year:
2023,
Volume and Issue:
32(11), P. 2850 - 2868
Published: Feb. 27, 2023
The
evergreen
versus
deciduous
leaf
habit
is
an
important
functional
trait
for
adaptation
of
forest
trees
and
has
been
hypothesized
to
be
related
the
evolutionary
processes
component
species
under
paleoclimatic
change,
potentially
reflected
in
dynamic
history
broadleaved
forests
(EBLFs)
East
Asia.
However,
knowledge
about
shift
with
impact
change
using
genomic
data
remains
rare.
Here,
we
focus
on
Litsea
complex
(Lauraceae),
a
key
lineage
dominant
EBLFs,
gain
insights
into
how
shifted,
providing
origin
historical
dynamics
EBLFs
Asia
Cenozoic
climate
change.
We
reconstructed
robust
phylogeny
genome-wide
single-nucleotide
variants
(SNVs)
eight
clades
resolved.
Fossil-calibrated
analyses,
diversification
rate
shifts,
ancestral
habit,
ecological
niche
modelling
reconstruction
were
employed
estimate
its
pattern.
Taking
account
studies
other
plant
lineages
dominating
Asia,
it
was
revealed
that
prototype
probably
emerged
Early
Eocene
(55-50
million
years
ago
[Ma]),
facilitated
by
greenhouse
warming.
As
response
cooling
drying
Middle
Late
(48-38
Ma),
habits
evolved
Up
Miocene
(23
prevailing
Asian
monsoon
increased
extreme
seasonal
precipitation
accelerated
emergence
lineages,
ultimately
shaped
vegetation
resembling
today.
Journal of Systematics and Evolution,
Journal Year:
2023,
Volume and Issue:
62(1), P. 38 - 54
Published: Jan. 12, 2023
Abstract
Polyploids
are
common
in
Camellia
sect.
Paracamellia
,
which
contain
many
important
oil
crop
species.
However,
their
complex
evolutionary
history
is
largely
unclear.
In
this
study,
22
transcriptomes
and
19
plastomes
of
related
species
were
sequenced
assembled,
providing
the
most
completed
taxa
sampling
Oleifera
C
.
Phylogenetic
trees
reconstructed
with
predicted
single‐copy
nuclear
genes
plastomes.
demonstrated
that
should
be
merged
into
Cytonuclear
discordance
network
analyses
suggested
hybridizations
among
polyploid
relatives.
The
divergence
major
clades
was
dated
to
during
middle
late
Miocene
from
ancestral
Lingnan
region,
a
rapid
diversification
Quaternary
found,
probably
through
hybridization
polyploidization.
tetraploid
meiocarpa
Hu
may
have
originated
between
closely
diploid
hexaploid
oleifera
C.
Abel
(e.g.,
)
octoploid
vietnamensis
T.
Huang
ex
could
Hybridization
polyploidization
played
an
role
generating
rich
variation
fruit
traits,
especially
increased
size
New Phytologist,
Journal Year:
2024,
Volume and Issue:
242(5), P. 2369 - 2379
Published: Jan. 8, 2024
Summary
Evergreen
broad‐leaved
forests
(EBLFs)
are
dominated
by
a
monsoon
climate
and
form
distinct
biome
in
East
Asia
with
notably
high
biodiversity.
However,
the
origin
evolution
of
Asian
EBLFs
(EAEBLFs)
remain
elusive
despite
estimation
divergence
times
for
various
representative
lineages.
Using
72
selected
generic‐level
characteristic
lineages,
we
constructed
an
integrated
lineage
accumulation
rate
(LAR)
curve
based
on
their
crown
ages.
According
to
crown‐based
LAR,
EAEBLF
was
identified
at
least
as
early
Oligocene
(
c.
31.8
million
years
ago
(Ma)).
The
genera
peaked
25.2
6.4
Ma,
coinciding
two
intensification
periods
–
Miocene
Pliocene
boundaries,
respectively.
Moreover,
LAR
highly
correlated
precipitation
region
negatively
global
temperature,
revealed
through
time‐lag
cross‐correlation
analyses.
An
is
suggested
EAEBLFs,
bridging
gap
between
paleobotanical
molecular
dating
studies
solving
conflicts
among
previous
estimates
individual
strong
correlation
brought
about
emphasizes
its
irreplaceable
role
development
EAEBLFs.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 23, 2024
Aim
East
Asian
subtropical
evergreen
broad-leaved
forests
(EBLFs)
are
composed
of
western
and
eastern
subregions
with
different
topographical
environmental
conditions.
The
distribution
shifts
over
time
plants
in
the
two
predicted
to
be
different,
but
difference
has
seldom
been
investigated.
Methods
Potential
distributions
53
Magnoliaceae
species
(22
31
subregion)
during
last
glacial
maximum
(LGM),
present,
2070s
were
using
MaxEnt
based
on
58
variables.
changes
range
size
centroid
analyzed.
Species-level
potential
habitats
overlaid
uncover
diversity
distribution,
discover
long-term
refugia.
Results
At
significantly
larger
than
those
shown
by
occurrence
points.
During
LGM,
20/22
subregion
experienced
increases
through
downwards
southward
migrations,
while
decreases
(27/31
species)
accompanied
northward
eastward
migrations.
In
future,
declines
will
both
found;
northwestward
exist
most
(20/22
subregion,
northwest-
northeastward
occur
subregion.
hotspots
a
slight
shift
past
upwards
mountain
region
future
subregion;
shrinks
occurred
China
all
regions
future.
Long-term
refugia-preserving
was
found
mountains
across
entire
EBLFs
region.
Main
conclusions
Significant
differences
from
present
similar
revealed
subregions.
Species
no
significant
could
preserved
mountainous
throughout
EBLFs.
Journal of Systematics and Evolution,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Abstract
The
Himalayas
represent
a
complex
mountain
system
housing
some
of
the
world's
richest
floras
along
with
high
level
endemism.
Among
them,
Lysionotus
(Gesneriaceae)
stands
out
as
small
genus
(~34
species)
that
is
unexpectedly
distributed
across
southern
to
eastern
Asia.
Within
this
genus,
forests
south
Pan‐Himalaya
region
emerge
hotspot
diversity,
hosting
most
epiphytic
and
endemic
species.
To
explore
origin,
evolutionary
history
development
current
distribution
pattern
,
we
inferred
highly
resolved
phylogenetic
framework
using
649
nuclear
genes
sourced
from
transcriptomes
for
27
We
revealed
three
major
clades
within
strong
support,
corresponding
genus's
classification
into
sections
(sects.
Didymocarpoides
Cyathocalyx
)
based
on
morphological
characters.
Molecular
dating
suggests
likely
have
originated
in
karst
regions
northern
Vietnam
southwestern
China
during
middle
Oligocene
(28.18
Ma),
then
migrated
westward
Himalaya
Miocene.
speciation
rates
were
be
positively
linked
changes
East
Asian
monsoons
past
temperatures.
Notably,
species
sect.
began
colonizing
tropical
subtropical
around
mid‐Miocene
Climatic
Optimum,
coinciding
transition
long
seed
appendages.
Our
findings
support
formation
Himalaya,
paleo‐climate
innovations,
which
probably
facilitated
evolution
expansion
spatial
.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: Nov. 25, 2022
East
Asia
(EA),
which
falls
within
the
region
of
Asian
monsoon
that
is
composed
(EAM)
and
Indian
(IM),
known
for
its
high
species
diversity
endemism.
This
has
been
attributed
to
extreme
physiographical
heterogeneity
in
conjunction
with
climate
sea-level
changes
during
Pleistocene,
this
hypothesis
widely
proven
by
phylogeographic
studies.
Recently,
dated
phylogenies
have
indicated
origins
(stem
age)
flora
occurred
after
Oligocene-Miocene
boundary
are
related
establishment
EAM.Hence,
study
further
examined
whether
strengthening
monsoons
triggered
floral
evolution
via
a
meta-analysis
tempo-spatial
pattern
evolutionary
radiation
dates
(crown
ages)
101
endemic
seed
plant
genera.Taxonomic
diversification
began
late
Eocene,
whereas
accumulated
number
diversifications
did
not
significantly
accelerate
until
Miocene.
The
distribution
weighted
mean
average
divergence
times
EAM,
IM,
or
transitional
regions
all
fall
mid-late
Fossils
Tertiary
relict
genera
mostly
distributed
outside
EA
only
half
earliest
fossils
older
than
Miocene,
while
their
time
monotypic
polytypic
taxa
suggest
climatic
Pliocene
exert
more
influence
on
taxa.The
two
key
stages
coincide
intensifications
EAM
especially
summer
brings
humid
climate.
An
integrated
review
previous
studies
concerning
flora,
genus,
levels
supports
our
suggestion
intensification
flora.
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
Journal of Integrative Plant Biology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 19, 2024
Although
the
frequency
of
ancient
hybridization
across
Tree
Life
is
greater
than
previously
thought,
little
work
has
been
devoted
to
uncovering
extent,
timeline,
and
geographic
ecological
context
hybridization.
Using
an
expansive
new
dataset
nuclear
chloroplast
DNA
sequences,
we
conducted
a
multifaceted
phylogenomic
investigation
identify
reticulation
in
early
evolution
oaks
(Quercus).
We
document
extensive
gene
tree
cytonuclear
discordance
among
major
lineages
Quercus
relatives
Quercoideae.
Our
analyses
recovered
clear
signatures
flow
against
backdrop
rampant
incomplete
lineage
sorting,
with
most
prevalent
Quercoideae
during
their
initial
radiation,
dated
Early-Middle
Eocene.
Ancestral
reconstructions
including
fossils
suggest
ancestors
Castanea
+
Castanopsis,
Lithocarpus,
Old
World
oak
clade
probably
co-occurred
North
America
Eurasia,
while
Chrysolepis,
Notholithocarpus,
New
America,
offering
ample
opportunity
for
each
region.
study
shows
that
hybridization-perhaps
form
syngameons
like
those
seen
today-has
common
important
process
throughout
evolutionary
history
relatives.
Concomitantly,
this
provides
methodological
framework
detecting
other
groups.