Changes in the cellular makeup of motor patterning circuits drive courtship song evolution inDrosophila
Dajia Ye,
Justin T. Walsh,
Ian P. Junker
et al.
Abstract:How evolutionary changes in genes and neurons encode species variation in complex motor behaviors are largely unknown. Here, we develop genetic tools that permit a neural circuit comparison between the model speciesDrosophila melanogasterand the closely-related speciesD. yakuba, who has undergone a lineage-specific loss of sine song, one of the two major types of male courtship song inDrosophila. Neuroanatomical comparison of song patterning neurons called TN1 across the phylogeny demonstrates a link between t… Show more
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