4.6 Review Book Chapter

Drosophila sechellia: A Genetic Model for Behavioral Evolution and Neuroecology

期刊

ANNUAL REVIEW OF GENETICS, VOL 55
卷 55, 期 -, 页码 527-554

出版社

ANNUAL REVIEWS
DOI: 10.1146/annurev-genet-071719-020719

关键词

Drosophila; evolution; behavioral genetics; trait mapping; neurobiology; ecological adaptations

资金

  1. Human Frontier Science Program Long-Term Fellowship [LT000461/2015-liter]
  2. Swiss National Science Foundation Ambizione Grant [PZ00P3 185743]
  3. University of Lausanne
  4. Swiss National Science Foundation
  5. European Research Council [833548]
  6. European Research Council (ERC) [833548] Funding Source: European Research Council (ERC)
  7. Swiss National Science Foundation (SNF) [PZ00P3_185743] Funding Source: Swiss National Science Foundation (SNF)

向作者/读者索取更多资源

This article reviews the establishment of a genetic model for comparative behavioral analysis and neuroecology, focusing on the Drosophila sechellia. It describes the genetic approaches used to associate genotype/phenotype in these flies and outlines the behavioral, physiological, and morphological adaptations of D. sechellia, as well as the current understanding of the genetic and cellular basis of these traits. Finally, it discusses the principles established in the context of host specialization, speciation, and the neurobiology of behavioral evolution, along with open questions and challenges in the field.
Defining the mechanisms by which animals adapt to their ecological niche is an important problem bridging evolution, genetics, and neurobiology. We review the establishment of a powerful genetic model for comparative behavioral analysis and neuroecology, Drosophila sechellia. This island-endemic fly species is closely related to several cosmopolitan generalists, including Drosophila melanogaster, but has evolved extreme specialism, feeding and reproducing exclusively on the noni fruit of the tropical shrub Morinda citrifolia. We first describe the development and use of genetic approaches to facilitate genotype/phenotype associations in these drosophilids. Next, we survey the behavioral, physiological, and morphological adaptations of D. sechellia throughout its life cycle and outline our current understanding of the genetic and cellular basis of these traits. Finally, we discuss the principles this knowledge begins to establish in the context of host specialization, speciation, and the neurobiology of behavioral evolution and consider open questions and challenges in the field.

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