Sperm competition intensity shapes divergence in both sperm morphology and reproductive genes across murine rodents
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 1, 2023
Abstract
It
remains
unclear
how
variation
in
the
intensity
of
sperm
competition
shapes
phenotypic
and
molecular
evolution
across
clades.
Mice
rats
subfamily
Murinae
are
a
rapid
radiation
exhibiting
incredible
diversity
morphology
production.
We
combined
genomic
data
to
perform
phylogenetic
comparisons
male
reproductive
traits
genes
78
murine
species.
identified
several
shifts
towards
smaller
relative
testes
mass,
presumably
reflecting
reduced
competition.
Several
were
associated
with
suggesting
that
mating
system
selects
for
convergent
suites
related
competitive
ability.
predicted
would
also
drive
more
divergence
species
large
testes.
Contrary
this,
we
found
many
spermatogenesis
evolved
rapidly
mass
due
relaxed
purifying
selection.
While
some
under
recurrent
positive
selection,
selection
played
greater
role
underlying
small
Our
work
demonstrates
postcopulatory
sexual
can
impose
strong
shaping
reproduction,
broad
patterns
may
help
identify
contribute
fertility.
Language: Английский
Sperm competition intensity shapes divergence in both sperm morphology and reproductive genes across murine rodents
Evolution,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 11, 2024
It
remains
unclear
how
variation
in
the
intensity
of
sperm
competition
shapes
phenotypic
and
molecular
evolution
across
clades.
Mice
rats
subfamily
Murinae
are
a
rapid
radiation
exhibiting
incredible
diversity
morphology
production.
We
combined
genomic
data
to
perform
phylogenetic
comparisons
male
reproductive
traits
genes
78
murine
species.
identified
several
shifts
towards
smaller
relative
testes
mass,
presumably
reflecting
reduced
competition.
Several
were
associated
with
suggesting
that
mating
system
selects
for
convergent
suites
related
competitive
ability.
predicted
would
also
drive
more
divergence
species
large
testes.
Contrary
this,
we
found
many
spermatogenesis
evolved
rapidly
mass
due
relaxed
purifying
selection.
While
some
under
recurrent
positive
selection,
selection
played
greater
role
underlying
small
Our
work
demonstrates
postcopulatory
sexual
can
impose
strong
shaping
reproduction,
broad
patterns
may
help
identify
contribute
fertility.
Language: Английский