Proteomic diversification of spermatostyles among six species of whirligig beetles
Molecular Reproduction and Development,
Journal Year:
2024,
Volume and Issue:
91(5)
Published: May 1, 2024
Abstract
Seminal
fluid
protein
composition
is
complex
and
commonly
assumed
to
be
rapidly
divergent
due
functional
interactions
with
both
sperm
the
female
reproductive
tract
(FRT),
of
which
evolve
rapidly.
In
addition
sperm,
seminal
may
contain
structures,
such
as
mating
plugs
spermatophores.
Here,
we
investigate
evolutionary
diversification
a
lesser‐known
ejaculate
structure:
spermatostyle,
has
independently
arisen
in
several
families
beetles
true
bugs.
We
characterized
spermatostyle
proteome,
FRT
morphology,
six
species
whirligig
(family
Gyrinidae).
Spermatostyles
were
enriched
for
proteolytic
enzymes,
assays
confirmed
they
possess
activity.
Sperm‐leucylaminopeptidases
(S‐LAPs)
particularly
abundant,
their
localization
spermatostyles
was
by
immunohistochemistry.
Although
there
evidence
conservation
proteomes
across
species,
phylogenetic
regressions
suggest
covariation
between
morphology
FRTs.
postulate
that
S‐LAPs
(and
other
proteases)
have
evolved
novel
structural
role
discuss
adaptations
delivering
male‐derived
materials
females.
Language: Английский
The spermatheca ultrastructure of the ground beetle Clinidium canaliculatum (Costa) (Carabidae, Rhysodinae)
Micron,
Journal Year:
2024,
Volume and Issue:
187, P. 103721 - 103721
Published: Sept. 17, 2024
Language: Английский
The Cap and the Spermatostyle Protecting the Sperm Bundle Have a Similar Origin—Ultrastructural Study of the Spermatogenesis from the Ground Beetle Carabus (Chaetocarabus) lefebvrei Dejean, 1826 (Adephaga Carabidae)
Insects,
Journal Year:
2024,
Volume and Issue:
15(11), P. 864 - 864
Published: Nov. 5, 2024
The
males
of
Language: Английский