Male secreted short glycoproteins link sperm competition to the reproductive isolation of species
Current Biology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
The effect of parental conflict in imprinting genes inA. lyrata
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 4, 2024
Abstract
Genomic
imprinting
is
a
form
of
gene
regulation
resulting
in
the
unequal
expression
two
parental
alleles.
A
common
assumption
that
conflict
over
resource
allocation
to
offspring
promotes
directional
selection
on
imprinted
genes,
but
so
far,
most
studies
addressing
this
question
have
focused
autogamous
species,
whose
expected
be
low.
Moreover,
promote
antagonistic
coevolution
between
has
never
been
tested
far.
To
address
these
knowledge
gaps,
we
searched
for
signals
genes
across
Brassicaceae
family
based
phylogenetic
approaches.
We
then
investigated
and
compared
footprints
allogamous
populations
Arabidopsis
lyrata
.
Finally,
phylogenetics
genomics
Overall,
did
not
find
specific
A.
Despite
some
exceptions,
were
overall
associated
with
poorly
affected
by
mating
system,
suggesting
limited
role
conflict.
Nevertheless,
non-imprinted
endosperm
presented
typical
balancing
Brassicaceae,
as
case
unresolved
intralocus
sexual
found
showing
recent
coevolution,
related
sites,
drivers
other
than
protein
interactions
lead
genes.
Язык: Английский
Gene expression and pollen performance indicate altered postmating selection between Solanum species with different mating systems
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 3, 2024
Abstract
Postmating
prezygotic
(PMPZ)
traits
play
an
important
role
in
mating
success,
especially
species
where
gametes
from
multiple
males
compete.
Despite
this,
the
effect
of
system
transitions,
and
attendant
shifts
intensity
sexual
selection,
on
specific
PMPZ
their
underlying
loci
is
still
poorly
understood.
Here
we
assessed
differences
pollen
tissue-specific
gene
expression
(in
leaf,
pollen,
style)
between
two
closely
related
plant
with
different
systems—
Solanum
lycopersicum
(selfing)
&
pennellii
(outcrossing).
We
focused
known
roles
tube
growth
rate,
including
pectin
methylesterases
(PMEs)
inhibitors
(PMEIs),
in-
vitro
in-vivo
rates.
Among
observed
species,
found
that
domain
pollen-biased
genes
was
much
narrower
selfing
S.
compared
to
outcrossing
,
for
most
reproductive
PMEs
PMEIs.
In
addition,
had
faster
rates
while
in-vitro
propose
lower
development
style
tissue,
reduced
performance,
a
result
allocation
stylar
mechanisms
modulate
growth,
potentially
consistent
relaxed
selection
cryptic
female
choice
species.
Article
Summary
This
study
investigates
evidence
differential
postmating
plants,
by
analyzing
performance
systems.
It
finds
differ
systematically
rates,
(‘male’)-biased
have
higher
secondary
(‘female’)
tissues
These
observations
are
experiencing
stronger
tract
influence
male
performance.
evaluates
key
expectations
but
does
so
uncommon
context
flowering
plants.
Язык: Английский