Population genetic structure of Uroteuthis edulis in the East China Sea based on the COI gene
Molecular Biology Reports,
Год журнала:
2025,
Номер
52(1)
Опубликована: Янв. 20, 2025
Язык: Английский
Chromosomal Polymorphism in Cercopithecini: Cytogenomics Provides Evidence for Reticulate Evolution and Incomplete Reproductive Isolation
Lauriane Cacheux,
Michèle Gerbault‐Seureau,
Peggy Motsch
и другие.
International Journal of Primatology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
Язык: Английский
Genomic basis of non-human-primate diversity and adaptation
Опубликована: Март 31, 2025
Язык: Английский
Overcoming Challenges to Extracting and Sequencing Historical DNA to Support Primate Evolutionary Research and Conservation, with an Application to Galagos
International Journal of Primatology,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 21, 2024
Язык: Английский
Breaking the rule: An exceptional Y chromosome introgression between deeply divergent primate species
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 10, 2024
Abstract
Hybridization
between
distinct
lineages
is
widespread
in
nature,
with
important
implications
for
adaptation
and
speciation.
If
hybrids
are
fertile,
alleles
can
introgress
across
species
boundaries.
Hybrid
fitness
often
sex
dependent,
heterogametic
showing
lower
than
homogametic
individuals,
a
phenomenon
known
as
Haldane’s
rule.
Consequently,
loci
inherited
strictly
through
the
rarely
introgress.
We
focus
on
Y-chromosomal
history
of
guenons
(tribe
Cercopithecini),
group
African
primates
that
hybridized
extensively
throughout
their
evolutionary
history.
Although
our
inferences
suggest
rule
generally
place,
we
uncover
remarkable
Y
chromosome
introgression
event
from
Cercopithecus
mitis
into
C.
denti
,
which
occurred
ca.
six
million
years
after
initial
divergence.
Only
weak
signal
autosomal
gene
flow
present,
suggesting
introgressing
reached
fixation
very
low
frequency.
use
simulations
to
explore
mechanisms
at
play,
find
selection
needed
achieve
novel
chromosome.
identify
number
fixed
protein
differences
introgressed
ancestral
Y,
meiotic
drive
being
an
alternative
mechanism
adaptive
introgression.
Our
results
show
ability
produce
viable
fertile
persisted
guenons,
providing
exception
Язык: Английский
Improving baseline information on over-looked generalists: occurrence and mitochondrial DNA diversity of Campbell’s (Cercopithecus campbelli) and green monkeys (Chlorocebus sabaeus) in Guinea-Bissau, West Africa
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 4, 2024
Abstract
Campbell’s
(
Cercopithecus
campbelli)
and
green
monkeys
(
Chlorocebus
sabaeus)
are
sympatric
medium-sized
West
African
guenons
(tribe
Cercopithecini)
that
generally
understudied
in
most
of
their
distribution.
Both
species
ecological
generalists
globally
considered
non-threatened,
but
populations
decreasing
locally.
National
conservation
management
lacks
baseline
information
on
local
primate
species.
C.
campbelli
Chl.
sabaeus
the
abundant
primates
out
ten
extant
frequently
hunted
for
meat
consumption.
Here,
we
aimed
to
update
occurrence
estimate
country-wide
mitochondrial
(mtDNA)
genetic
diversity
both
From
2008
2022,
conducted
surveys
four
mainland
protected
areas
islands
Bijagós
archipelago
where
known
occur.
We
identified
campbelli
outside
found
relatively
high
mtDNA
lower
or
no
insular
populations.
Our
results
show
significant
signals
geographically
induced
differentiation,
particularly
campbelli,
which
pattern
population
structure
suggests
female
philopatry.
In
constrast,
divergent
Chl.
haplotypes
at
close
locations,
suggesting
dispersal.
differentiated
haplogroups
with
an
estimated
divergence
time
1.53
1.16
Ma
sabaeus,
possibly
linked
Pleistocene
climatic
fluctuations.
add
further
evidence
Guinea-Bissau
harbors
country
should
be
prioritized
Africa.
Язык: Английский
Genealogical asymmetry under the IM model and a two-taxon test for gene flow
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 30, 2024
Abstract
Methods
for
detecting
gene
flow
between
populations
often
rely
on
asymmetry
in
the
average
length
of
particular
genealogical
branches,
with
ABBA-BABA
test
being
a
well
known
example.
Currently,
asymmetry-based
methods
cannot
be
applied
to
pair
and
such
analyses
are
instead
performed
using
model-based
methods.
Here
we
investigate
under
two-population
isolation-migration
model.
We
focus
genealogies
where
first
coalescence
event
is
lineages
sampled
from
different
populations,
as
external
branches
these
have
equal
expected
long
there
no
post-divergence
flow.
show
that
unidirectional
breaks
this
symmetry
results
recipient
population
having
longer
branches.
derive
expectations
probability
model
propose
simple
statistic
(
A
m
)
detect
it
genome
sequence
data.
provides
two-taxon
only
requires
single
unphased
diploid
each
population,
outgroup
information.
use
analytic
coalescent
simulations
explore
how
recombination,
unequal
effective
sizes
bidirectional
influence
find
unambiguous
evidence
continent-island
history.
estimate
data
Heliconius
butterflies
Odocoileus
deer,
generating
consistent
previous
analyses.
Our
work
highlights
signal
overlooked
date
method
complements
existing
approaches
investigating
demographic
history
recently
diverged
populations.
Язык: Английский
Phylogenomics of a genus of "Great Speciators" reveals rampant incomplete lineage sorting, gene flow, and mitochondrial capture in island systems
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 29, 2024
The
flora
and
fauna
of
island
systems,
especially
those
in
the
Indo-Pacific,
are
renowned
for
their
high
diversification
rates
outsized
contribution
to
development
evolutionary
theories.
total
diversity
geographic
radiations
many
Indo-Pacific
is
often
incompletely
sampled
phylogenetic
studies
due
difficulty
obtaining
single
endemic
forms
across
Pacific
relatively
poor
performance
degraded
DNA
when
using
museum
specimens
inference
relationships.
New
methods
production
analysis
genome-wide
datasets
sourced
from
facilitating
insights
into
complex
histories
these
influential
faunas.
Here,
we
leverage
whole
genome
resequencing
(20X
average
coverage)
extensive
sampling
all
taxonomic
within
Todiramphus
kingfishers,
a
rapid
radiation
largely
"Great
Speciators."
We
find
that
do
not
outright
resolve
relationships
this
clade:
four
types
molecular
markers
(UCEs,
BUSCOs,
SNPs,
mtDNA)
tree
building
did
well-supported
concordant
species-level
topology.
then
uncover
evidence
widespread
incomplete
lineage
sorting
both
ancient
contemporary
gene
flow
demonstrate
how
factors
contribute
conflicting
histories.
Our
complete
allowed
us
further
identify
novel
case
mitochondrial
capture
between
two
allopatric
species,
suggesting
potential
historical
(but
since
lost)
hybrid
zone
as
islands
were
successively
colonized.
Taken
together,
results
highlight
increased
genomic
taxon
can
reveal
patterns
radiations.
Язык: Английский
Y chromosome introgression between deeply divergent primate species
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Ноя. 29, 2024
Язык: Английский
Evolution of CEACAM pathogen decoy receptors in primates
European Journal of Clinical Investigation,
Год журнала:
2024,
Номер
54(S2)
Опубликована: Дек. 1, 2024
Abstract
Background
CEACAM1
in
leukocytes
controls
cell
activation
during
inflammation.
This
and
its
expression
epithelial
cells
led
to
frequent
independent
appropriation
of
as
receptor
by
pathogens
humans
other
species
gain
host
access
downregulate
immune
response.
As
a
countermeasure,
decoy
receptors
with
CEACAM1‐like
pathogen‐binding
domains
evolved.
The
granulocyte‐specific
human
CEACAM3
endocytic
diverts
CEACAM1‐binding
neutrophils
for
internalization
destruction.
role
the
glycosylphosphatidylinositol‐anchored
CEACAM5
CEACAM6
which
can
also
bind
CEACAM1‐targeting
is
less
clear.
Methods
We
analyzed
selection
CEACAMs
avoid
pathogen
binding
maintain
similarity
between
148
primate
species.
Results
Notably,
functional
genes
were
not
found
gibbons
New
World
monkeys.
Interestingly,
these
primates
exhibits
similar
high
ratios
rates
nonsynonymous
synonymous
substitution
(dN/dS)
their
N
domain
exons
.
High
dN/dS
are
indicative
diversification
typically
seen
receptors.
Human
expressed
on
granulocytes
cells.
Therefore,
could
substitute
missing
CEACAM3.
In
nearly
all
investigated
groups
epithelially
exhibit
diversification.
African
populations,
five
high‐frequency
polymorphisms
observed
region
(I80V,
V83A,
I100T,
I112V,
I113T)
3‐4
combined
same
individual.
These
correspond
sequences.
Conclusion
under
most
species,
indicating
function
Язык: Английский