Phylogenetic Analysis and Expression Patterns of Triterpenoid Saponin Biosynthesis Genes in 19 Araliaceae Plants
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(7), С. 3439 - 3439
Опубликована: Апрель 7, 2025
The
Araliaceae
family
has
significant
economic
and
medicinal
value.
However,
the
phylogenetic
relationships
expression
patterns
of
key
genes
active
triterpenoid
substance
within
this
are
still
unclear.
In
study,
we
employed
comparative
transcriptomics
to
analyze
transcriptomes
19
species
from
11
genera
Araliaceae,
aiming
elucidate
evolutionary
history
in
ginsenoside
biosynthesis
pathway.
Our
results
divide
into
two
subfamilies:
Aralioideae
Hydrocotyloideae.
is
further
classified
three
groups:
Aralia-Panax
group,
Polyscias-Pseudopanax
Asian
Palmate
group.
PhyloNet
analysis
reveals
that
common
ancestor
Panax
ginseng,
quinquefolius,
japonicus
was
an
allopolyploid,
likely
resulting
hybridization
between
notoginseng
pseudoginseng.
Additionally,
all
underwent
pg-β
event,
which
may
be
critical
for
biosynthesis.
We
discovered
exhibit
distinct
enzyme
(β-AS,
DDS,
CYP450,
UGTs)
compared
other
species.
These
show
independent
lineages
gene
trees,
suggesting
unique
functional
adaptations
enable
efficiently
synthesize
ginsenosides.
This
study
provides
a
theoretical
foundation
conservation
utilization
germplasm
resources.
Язык: Английский
Genomic enrichment data illuminate rapid and reticulate evolution of Ampelopsis (Vitaceae) in East Asia
Taxon,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 14, 2025
Abstract
Ampelopsis
is
a
genus
of
the
grape
family
Vitaceae,
discontinuously
distributed
in
temperate
to
subtropical
zones
Northern
Hemisphere
but
mostly
diversified
East
Asia.
Previous
phylogenetic
studies
on
have
mainly
been
based
few
chloroplast
markers,
resulting
unresolved
relationships
for
Asian
taxa.
Here,
we
carried
out
reconstruction
and
intrageneric
reticulate
evolution
analyses
first
time
extensive
single
or
low‐copy
nuclear
genomic
data
obtained
by
Hyb‐Seq
approach.
Both
strongly
support
monophyly
with
its
sequential
division
into
several
lineages
corresponding
their
biogeographic
distribution
from
North
America
including
Mexico,
Europe
West
Asia,
respectively.
The
largely
grouped
two
major
clades
characterized
topological
conflicts
among
individual
gene
trees.
plastid
tree
also
showed
high
incongruence
Gene
estimation
error
flow
were
identified
as
source
within
lineage,
which
most
likely
resulted
recent
rapid
divergence.
Our
results
emphasize
that
divergence
accompanied
introgression
played
significant
role
complex
diversification
pattern
may
be
present
many
other
plant
Язык: Английский