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Finding a mating partner in a dioecious species is
an obligatory process for species survival. We have
used C. remanei and C. elegans as models to show
that only females of the dioecious species can
produce a volatile and stable sex pheromone to
effectively attract males. Since males from both
dioecious and androdioecious species respond to this
same pheromone, I utilize these species to focus my
investigation on three specific issues: To study sex
pheromone production in C. remanei, to characterize
C. remanei female sex pheromone, and to identify the
cellular and the molecular components for sex
pheromone perception.
The pheromone is produced by the somatic gonad. The
production peaks at the young adult stage, and
mating with males would eliminate the attractiveness
of a female. Mating itself and the presence of
sperms in the female body would not eliminate the
pheromone attractiveness. Two different sensory
neurons and an interneuron are shown to be required
for this perception. A signaling pathway dependant
of G-protein coupled kinase activity and G-protein
subunit are crucial for this chemosensory
response.
an obligatory process for species survival. We have
used C. remanei and C. elegans as models to show
that only females of the dioecious species can
produce a volatile and stable sex pheromone to
effectively attract males. Since males from both
dioecious and androdioecious species respond to this
same pheromone, I utilize these species to focus my
investigation on three specific issues: To study sex
pheromone production in C. remanei, to characterize
C. remanei female sex pheromone, and to identify the
cellular and the molecular components for sex
pheromone perception.
The pheromone is produced by the somatic gonad. The
production peaks at the young adult stage, and
mating with males would eliminate the attractiveness
of a female. Mating itself and the presence of
sperms in the female body would not eliminate the
pheromone attractiveness. Two different sensory
neurons and an interneuron are shown to be required
for this perception. A signaling pathway dependant
of G-protein coupled kinase activity and G-protein
subunit are crucial for this chemosensory
response.