Testing ultraconserved elements (UCEs) for phylogenetic inference across bivalves (Mollusca: Bivalvia)
Molecular Phylogenetics and Evolution,
Journal Year:
2024,
Volume and Issue:
198, P. 108129 - 108129
Published: June 13, 2024
Language: Английский
The big, the small and the weird: A phylogenomic analysis of extant Priapulida
Molecular Phylogenetics and Evolution,
Journal Year:
2025,
Volume and Issue:
unknown, P. 108297 - 108297
Published: Jan. 1, 2025
Priapulida
is
a
small
phylum
of
22
described
species
that
are
divided
into
two
size
classes
(microscopic
and
macroscopic),
distinguished
by
adult
larval
morphology.
Most
priapulidans
rare
or
live
in
inaccessible
habitats,
freshly
collected
material
for
molecular
studies
difficult
to
obtain.
With
this
study,
we
the
first
time
aim
resolve
phylogeny
extant
using
transcriptomic,
genomic,
morphological
data.
We
analyze
six
newly
assembled
transcriptomes
alongside
existing
data,
covering
seven
four
genera.
Additionally,
include
genomic
data
from
museum-preserved
species,
adding
another
genus
via
low-coverage
genome
sequencing.
Conserved
regions
these
produce
combined
phylogenomic
tree,
augmented
suggest
positions
taxa
Acanthopriapulus
Maccabeus.
Our
findings
show
microscopic
Meiopriapulus
consistently
groups
as
sister
taxon
other
not
with
Tubiluchus,
suggested
previous
studies.
Maccabeus,
which
exhibits
both
size-class
characteristics,
all
macroscopic
while
Priapulus,
but
needed
support
their
positions.
Ancestral
state
reconstruction
suggests
body
size,
lack
caudal
appendages,
internal
fertilization
ancestral
traits
Priapulida.
This
supports
derived
evolution
group,
aligning
its
Kinorhyncha
Loricifera.
Due
diversity
unique
morphologies
some
further
fossil
potential
discoveries
priapulidan
microfossils
essential
fully
understand
evolutionary
history
phylum.
Language: Английский
On the troglobitic velvet worm Speleoperipatus spelaeus Peck, 1975 (Onychophora, Peripatidae): assessing the status of a Critically Endangered Jamaican invertebrate
Subterranean Biology,
Journal Year:
2025,
Volume and Issue:
51, P. 49 - 59
Published: March 24, 2025
The
velvet
worm
Speleoperipatus
spelaeus
Peck,
1975
is
one
of
the
rarest
species
reported,
as
it
only
known
from
its
type
locality,
Pedro
Great
Cave,
Clarendon
Parish,
Jamaica.
material
species,
four
specimens
available
in
scientific
collections,
was
obtained
early
1970’s,
and
since
then,
no
additional
have
been
for
research.
More
recently,
observations
three
probably
conspecific
by
Jamaican
Caves
Organisation,
not
collected,
made
a
different
location,
Swansea
Saint
Catherine
Parish.
Here
we
report
document
five
this
rare
well
some
about
their
behavior.
Placing
phylogenetic
context
should
be
attempted
future,
to
better
understand
significance
evolutionary
origins,
relationship
Cave
specimens,
determine
what
are
closest
relatives
whether
those
other
or
worms
geographical
areas.
Language: Английский
Rediscovery and phylogenetic position of a long-lost Typhloperipatus williamsoni Kemp, 1913 (Onychophora: Peripatidae) after 111 years from Arunachal Pradesh, India
Journal of Natural History,
Journal Year:
2025,
Volume and Issue:
59(17-20), P. 1167 - 1180
Published: April 11, 2025
Language: Английский
Cryptic species diversity and contrasting climate profiles in Aotearoa New Zealand, egg‐laying and live‐bearing velvet worms (Onychophora, Peripatopsidae: Ooperipatellus and Peripatoides)
Invertebrate Biology,
Journal Year:
2024,
Volume and Issue:
143(3)
Published: Aug. 11, 2024
Abstract
Aotearoa
(New
Zealand)
is
a
biodiversity
hotspot
for
temperate
invertebrate
taxa
and
home
to
high
levels
of
endemicity.
However,
our
knowledge
species‐level
diversity
phylogeny
endemic
New
Zealand
Onychophora
(velvet
worms)
at
present
limited.
Here,
we
use
mitochondrial
cytochrome
c
oxidase
subunit
I
(
COI
)
barcoding
assess
the
extent
species
two
velvet
worm
genera
found
in
Zealand,
ovoviviparous
Peripatoides
oviparous
Ooperipatellus
,
Australia
Zealand.
Our
results
reveal
that
estimated
number
both
greater
than
currently
described.
We
estimate
there
are
between
13
67
16
21
This
stark
increase
from
described
previous
work
has
identified
10
within
.
exploration
climatic
variables
shows
individuals
predominantly
wet,
cool
environments
across
relatively
drier,
warmer
habitats.
also
generate
ecological
niche
models
provide
initial
predictions
distribution
climatically
suitable
habitats
each
genus
Language: Английский
From the shallows to the depths: a new probe set to target ultraconserved elements for Decapoda and other Malacostraca
Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Sept. 20, 2024
Introduction
Since
its
introduction
about
a
decade
ago,
target
enrichment
sequencing
of
ultraconserved
elements
(UCEs)
has
proven
to
be
an
invaluable
tool
for
studies
across
evolutionary
scales,
and
thus
employed
from
population
genetics,
historical
biogeography
as
well
deep-time
phylogenetics.
Here,
we
present
the
first
probe
set
targeting
UCEs
in
crustaceans,
specifically
designed
decapods
tested
beyond
other
malacostracan
lineages.
Methods
Probes
were
using
published
genomes
nine
decapod
one
peracarid
species,
raw
Nanopore
long
reads
additional
brachyuran
species.
The
final
consists
20,000
probes,
1,384
unique
UCE
loci.
We
compiled
dataset
Malacostraca,as
datasets
deep-sea
squat
lobster
genus,
intertidal
mangrove
crab
test
at
different
phylogenetic
levels
(i.e.,
class,
order,
within
species).
Results
Final
mean
recovery
fresh
samples
Malacostraca
was
568
loci,
with
up
847
658
loci
recovered
non-decapod
respectively.
genus-
species-level
849
787
Up
several
hundreds
museum
specimens
(10
>
150
years
old),
that
included
all
datasets.
UCE-based
phylogenies
largely
reflected
known
relationships
taxa,
able
infer
differentiation
based
on
>600
SNPs
extracted
dataset.
Discussion
Our
results
showcase
versatility
this
set,
yielding
informative
data
population-genetic
They
demonstrate
once
more
are
promising
technique
leveraging
genomic
studies,
overall
highlight
set's
potential
crustacean
studies.
Language: Английский