Macroevolution of the plant–hummingbird pollination system
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2024,
Volume and Issue:
99(5), P. 1831 - 1847
Published: May 5, 2024
ABSTRACT
Plant–hummingbird
interactions
are
considered
a
classic
example
of
coevolution,
process
in
which
mutually
dependent
species
influence
each
other's
evolution.
Plants
depend
on
hummingbirds
for
pollination,
whereas
rely
nectar
food.
As
step
towards
understanding
this
review
focuses
the
macroevolutionary
consequences
plant–hummingbird
interactions,
relatively
underexplored
area
current
literature.
We
synthesize
prior
studies,
illustrating
origins
and
dynamics
hummingbird
pollination
across
different
angiosperm
clades
previously
pollinated
by
insects
(mostly
bees),
bats,
passerine
birds.
In
some
cases,
crown
age
pre‐dates
plants
they
pollinate.
other
plant
groups
transitioned
to
early
establishment
bird
group
Americas,
with
build‐up
both
diversities
coinciding
temporally,
hence
suggesting
co‐diversification.
Determining
what
triggers
shifts
away
from
remains
major
open
challenge.
The
impact
diversification
is
complex,
many
tropical
lineages
experiencing
increased
after
acquiring
flowers
that
attract
hummingbirds,
others
no
change
or
even
decrease
rates.
This
mixed
evidence
suggests
extrinsic
intrinsic
factors,
such
as
local
climate
isolation,
important
covariables
driving
adapted
pollination.
To
guide
future
we
discuss
mechanisms
contexts
under
clade
individual
(e.g.
traits,
foraging
behaviour,
degree
specialization),
could
conclude
commenting
how
signals
mutualism
relate
highlighting
unbalanced
focus
side
interaction,
advocating
use
species‐level
interaction
data
studies.
Language: Английский
Compositae‐ParaLoss‐1272: A complementary sunflower‐specific probe set reduces paralogs in phylogenomic analyses of complex systems
Applications in Plant Sciences,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Jan. 1, 2024
A
family-specific
probe
set
for
sunflowers,
Compositae-1061,
enables
family-wide
phylogenomic
studies
and
investigations
at
lower
taxonomic
levels,
but
may
lack
resolution
genus
to
species
especially
in
groups
complicated
by
polyploidy
hybridization.
Language: Английский
African Mountain Thistles: Three New Genera in the Carduus-Cirsium Group
Plants,
Journal Year:
2023,
Volume and Issue:
12(17), P. 3083 - 3083
Published: Aug. 28, 2023
The
floras
on
the
highest
mountains
in
tropical
eastern
Africa
are
among
most
unique
world.
Despite
exceptionally
high
concentration
of
endemic
species,
these
remain
understudied
from
an
evolutionary
point
view.
In
this
study,
we
focus
Carduus-Cirsium
group
(subtribe
Carduinae)
to
unravel
relationships
species
Afromontane
and
Afroalpine
floras,
aiming
improve
systematics
group.
We
applied
Hyb-Seq
approach
using
Compositae1061
probe
set
190
samples
(159
species),
encompassing
representatives
all
genera
Carduinae.
used
two
recently
developed
pipelines
that
enabled
processing
raw
sequence
reads,
identification
paralogous
sequences
segregation
into
orthologous
alignments.
After
implementation
a
missing
data
filter,
retained
986
nuclear
loci
177
plastid
regions.
Phylogenomic
analyses
were
conducted
both
concatenated
summary-coalescence
methods.
resulting
phylogenies
highly
resolved
revealed
three
distinct
lineages
consisting
African
traditionally
referred
as
Carduus
Cirsium.
Consequently,
propose
new
Afrocarduus,
Afrocirsium
Nuriaea;
latter
did
notably
not
belong
detected
some
incongruences
between
based
concatenation
vs.
coalescence
datasets,
likely
attributable
incomplete
lineage
sorting
and/or
hybridization.
Language: Английский
A thorny tale: The origin and diversification of Cirsium (Compositae)
Molecular Phylogenetics and Evolution,
Journal Year:
2025,
Volume and Issue:
204, P. 108285 - 108285
Published: Jan. 11, 2025
Language: Английский
Phylogenetic and DNA barcoding study on Dehaasia pugerensis Koord. & Valeton, an endemic and critically endangered species from East Java, Indonesia
Beni-Suef University Journal of Basic and Applied Sciences,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: June 2, 2025
Abstract
Background
Dehaasia
pugerensis
Koord.
&
Valeton
is
an
endemic
plant
species
classified
as
critically
endangered
(CR)
in
Jember,
Java.
It
thrives
arid,
rocky
forest
regions,
making
it
a
significant
genetic
resource
for
conservation
initiatives.
This
study
aimed
to
analyze
the
genetics
of
through
molecular
approach
utilizing
DNA
(deoxyribonucleic
acid)
barcoding
technique.
experiment
utilized
three
accessions
from
populations
Puger
East
Java:
Igir
Pletes
(IP),
Watu
Susu
(WS),
and
Undak
Sebanen
(US),
along
with
Klatakan
(KT).
Notably,
samples
WS
accession
were
excluded
internal
transcribed
spacer
(ITS)
primers
due
poor
sequencing
results
substituted
US
accession.
A
single
sample
each
population
underwent
markers
chloroplast
genes:
ribulose-1,5-bisphosphate
carboxylase/oxygenase
large
subunit
(
rbc
L),
maturase
K
mat
K),
transfer
RNA-histidine
photosystem
II
protein
D1
trn
H-
psb
A)
intergenic
spacer,
well
one
nuclear
ITS
region.
Results
Sequence
analysis
demonstrated
identical
base
composition
plastid
genes
L
K,
minor
variation
demonstrates
that
evolutionary
rate
genome
lower
than
genome.
The
genomes
exhibit
differences
rates,
influenced
by
various
external
factors
such
inheritance
mode,
mutation
rate,
pressures.
Phylogenetic
indicated
clustered
together
within
same
group,
determined
close
relationship
hainanensis
incrassata
,
distance
observed
on
phylogenetic
tree.
Conclusions
L,
confirmed
identity
revealed
key
diversity.
grouped
(KT450,
IP42,
WS152)
into
clade,
closely
related
indicating
shared
traits.
While
genetically
stable,
showed
notable
variability,
particularly
ITS,
which
important
differences.
These
findings
highlight
value
data
shaping
strategies
pugerensis,
propagation,
reintroduction,
seed
banking.
Language: Английский
Cirsium tukuhnikivatzicum, A New Species of Thistle Endemic to the La Sal Mountains of Utah
Systematic Botany,
Journal Year:
2023,
Volume and Issue:
48(2), P. 354 - 362
Published: June 23, 2023
Abstract—
Cirsium
(thistles)
have
long
been
considered
one
of
the
most
taxonomically
challenging
groups
plants
in
western
North
America.
However,
relationships
among
thistles
become
clearer
thanks
to
recent
molecular
phylogenetic
work.
The
results
this
work
revealed
that
eatonii
var.
eriocephalum
was
polyphyletic,
consisting
three
distinct
evolutionary
lineages.
Each
these
lineages
also
found
be
morphologically
as
well
geographically.
Multiple
lines
evidence
thus
indicated
consisted
at
least
species.
first
species
recognized
previously
named
C.
scopulorum
.
second
lineage
recently
and
described
funkiae
third
is
here
a
new
species,
tukuhnikivatzicum
Mount
Tukuhnikivatz
prominent
backdrop
against
thistle.
Southern
Paiute
word
for
“place
where
sun
shines
longest”
Ute
“where
sets
last.”
specific
epithet
therefore
used
indicate
distribution
while
acknowledging
paying
tribute
legacy
use
La
Sal
Mountains.
There
taxonomic
lag
time
112
yr
between
specimen
collection
description
presented
here.
Language: Английский
Compositae-ParaLoss-1272: Complementary sunflower specific probe-set reduces issues with paralogs in complex systems
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 21, 2023
ABSTRACT
Premise
The
sunflower
family
specific
probe
set,
Compositae-1061,
has
enabled
family-wide
phylogenomic
studies
and
investigations
at
lower-taxonomic
levels
by
targeting
1,000+
genes.
However,
it
generally
lacks
resolution
the
genus
to
species
level,
especially
in
groups
with
complex
evolutionary
histories
including
polyploidy
hybridization.
Methods
In
this
study,
we
developed
a
new
Hyb-Seq
Compositae-ParaLoss-1272,
designed
target
orthologous
loci
Asteraceae
members.
We
tested
its
efficiency
across
simulating
target-enrichment
sequencing
silico.
Additionally,
effectiveness
lower
taxonomic
Packera
which
history.
performed
Compositae-ParaLoss-1272
for
19
taxa
were
previously
studied
using
Compositae-1061
set.
Sequences
from
both
sets
used
generate
phylogenies,
compare
topologies,
assess
node
support.
Results
report
that
captured
all
had
less
gene
tree
discordance,
recovered
considerably
fewer
paralogous
sequences,
retained
longer
than
Compositae-1061.
Discussion
Given
complexity
of
plant
histories,
assigning
orthology
analyses
will
continue
be
challenging.
anticipate
set
provide
improved
utility
family.
Language: Английский