Turning males on: activation of male courtship behavior in Drosophila melanogaster.
Turning males on: activation of male courtship behavior in Drosophila melanogaster.
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DOI:
10.1371/journal.pone.0021144
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发表时间:
2011
期刊:
影响因子:
3.7
通讯作者:
Baker BS
中科院分区:
文献类型:
--
作者:
Pan Y;Robinett CC;Baker BS
The innate sexual behaviors of Drosophila melanogaster males are an attractive system for elucidating how complex behavior patterns are generated. The potential for male sexual behavior in D. melanogaster is specified by the fruitless (fru) and doublesex (dsx) sex regulatory genes. We used the temperature-sensitive activator dTRPA1 to probe the roles of fruM- and dsx-expressing neurons in male courtship behaviors. Almost all steps of courtship, from courtship song to ejaculation, can be induced at very high levels through activation of either all fruM or all dsx neurons in solitary males. Detailed characterizations reveal different roles for fruM and dsx in male courtship. Surprisingly, the system for mate discrimination still works well when all dsx neurons are activated, but is impaired when all fruM neurons are activated. Most strikingly, we provide evidence for a fruM-independent courtship pathway that is primarily vision dependent.
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影响因子:
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作者:
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通讯作者:
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DOI:
10.1073/pnas.0535280100
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