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Characterization of mating behaviour of the female fruit fly using machine vision
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Orientador(es)
Resumo(s)
Courtship behaviour is the means for the animals to select their partner for reproduction.
The fruit fly, Drosophila melanogaster, exhibit a complex courtship behaviour. Nearly
all studies of D. melanogaster courtship have focused exclusively on the male behaviour.
Female pre-copulatory behaviour is often relegated to ‘accepting’ or ‘rejecting’ of mating,
and how females interact with males remains largely unknown. The aim of this study is
to quantify and describe the mating behaviour of the female D. melanogaster.
D. melanogaster is a model system that offers many genetic tools and when coupled
with the recent technologies for neuronal manipulation, mapping and behavioural characterization,
it has the potential to reveal the neurons involved in a particular behaviour.
We analyzed the behaviour of the wild-type (WT) female fly by collecting information
of the flies’ position during courtship using a tracking system and by automatically detecting
specific behaviours using an automatic classifier. We found that WT flies displayed
courtship acts and mating responses differently depending on their geographical origin
strains. The automatic classes were developed in a machine learning system, to allow a
faster and reliable behavioural analysis.
In future work, the automatic classes developed in this research will be key to continue
the female behaviour characterization.
Descrição
Palavras-chave
Courtship Female receptivity behaviour Mating Drosophila melanogaster