Cellular and Behavioral Functions of fruitless Isoforms in Drosophila Courtship

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Cellular and Behavioral Functions of fruitless Isoforms in Drosophila Courtship

BACKGROUND Male-specific products of the fruitless (fru) gene control the development and function of neuronal circuits that underlie male-specific behaviors in Drosophila, including courtship. Alternative splicing generates at least three distinct Fru isoforms, each containing a different zinc-finger domain. Here, we examine the expression and function of each of these isoforms. RESULTS We s...

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fruitless Splicing Specifies Male Courtship Behavior in Drosophila

All animals exhibit innate behaviors that are specified during their development. Drosophila melanogaster males (but not females) perform an elaborate and innate courtship ritual directed toward females (but not males). Male courtship requires products of the fruitless (fru) gene, which is spliced differently in males and females. We have generated alleles of fru that are constitutively spliced...

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Sex Cells: Dissecting the Functions of Fruitless Isoforms

Behavioral and developmental sexual dimorphism in fruitflies is related to male-specific expression of protein isoforms encoded by the fruitless gene. A recent study shows that the wide-scale effects of fruitless are associated with differential functions of individual protein isoforms.

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Behavioral and sensory basis of courtship success in Drosophila melanogaster.

In Drosophila some individuals are more successful at mating than others. Reproductive fitness is strongly dependent upon the ability to recognize and compete for members of the opposite sex. Experiments were designed to answer two questions. (i) What behavioral components are characteristic or predictive of successful courtship? and (ii) How important is the information transmitted in the diff...

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A Small Subset of Fruitless Subesophageal Neurons Modulate Early Courtship in Drosophila

We show that a small subset of two to six subesophageal neurons, expressing the male products of the male courtship master regulator gene products fruitless Male (fru M), are required in the early stages of the Drosophila melanogaster male courtship behavioral program. Loss of fru M expression or inhibition of synaptic transmission in these fru M(+) neurons results in delayed courtship initiati...

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ژورنال

عنوان ژورنال: Current Biology

سال: 2014

ISSN: 0960-9822

DOI: 10.1016/j.cub.2013.12.015