Phylogeny, environment and sexual communication across the <i>Drosophila</i> genus

Jezovit, Jacob A.; Levine, Joel D.; Schneider, Jonathan

doi:10.1242/jeb.143008

Cited by 45 publications

(45 citation statements)

References 112 publications

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“…Several researchers have performed comparative studies across the phylogeny. For example, Jezovit et al [43] have used the Drosophila phylogeny to examine sexual behavior and communication across the family. Their analysis specifically examined habitat distribution, mating behavior in light and dark and chemical communication via CHCs.…”

Section: Box 2 Classical Speciation Studies On Hawaiian Drosophilamentioning

confidence: 99%

Hawaiian Drosophila as an Evolutionary Model Clade: Days of Future Past

O’Grady

DeSalle

2018

BioEssays

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The Hawaiian Drosophila have been a model system for evolutionary, ecological, and ethological studies since the inception of the Hawaiian Drosophila Project in the 1960s. Here we review the past and present research on this incredible lineage and provide a prospectus for future directions on genomics and microbial interactions. While the number of publications on this group has waxed and waned over the years, we assert that recent systematic, biogeographic, and ecological studies have reinvigorated Hawaiian Drosophila as an evolutionary model system. The characteristics that distinguish good model clades from good model organisms (e.g., Drosophila melanogaster) are somewhat different so we first define what constitutes a good evolutionary model. We argue that the Hawaiian Drosophila possess many desired aspects of a good evolutionary model, describe how this group of geographically isolated flies have been used in the past, and propose some exciting avenues for future evolutionary research on this diverse, dynamic clade of Drosophila.

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Section: Box 2 Classical Speciation Studies On Hawaiian Drosophilamentioning

confidence: 99%

Hawaiian Drosophila as an Evolutionary Model Clade: Days of Future Past

O’Grady

DeSalle

2018

BioEssays

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“…The genus Drosophila provides an incredible array of phenotypic, evolutionary and ecological diversity [1][2][3][4][5]. Several thousand relatives of the model organism D. melanogaster inhabit all continents except Antarctica, and occur in almost every type of environment.…”

Section: Introductionmentioning

confidence: 99%

Niche partitioning as a selective pressure for the evolution of theDrosophilanervous system

Keesey

Grabe

Knaden

et al. 2019

Preprint

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The ecological and developmental selective pressures associated with evolution have shaped most animal traits, such as behavior, morphology and neurobiology. As such, the examination of phylogenetic characteristics of the nervous system can be utilized as a means to assess these traits, and thus, to evaluate the underlying selective pressures that produce evolutionary variation between species. Recent studies across a multitude of Drosophila have hypothesized the existence of a fundamental tradeoff between two primary sensory organs, the eye and the antenna. However, the identification of any potential ecological mechanisms for this observed tradeoff have not been firmly established. Our current study examines two monophyletic species within the obscura group, and asserts that despite their close relatedness and overlapping ecology, they deviate strongly in both visual and olfactory investment. Here we contend that both courtship and microhabitat preferences mirror and support the observed inverse variation in these sensory traits. Moreover, that this variation in visual and olfactory investment between closely-related species seems to provide relaxed competition, a process by which similar species can use a shared environment differently and in ways that help them both coexist. The nervous system has a unique role in evolution as it provides the functional connection between morphology, physiology, and behavior. As such, characterizing any tradeoffs between costs and benefits for the nervous system may be essential to our understanding of animal diversity, as well as vital to our understanding of the selective forces that have shaped the natural world.

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“…The Drosophila genus of insects is widespread throughout the world where groups of species have radiated into arid, temperate and tropical environments [16, 17]. The type of environment in which animals reside can correspond to differences in food availability, predation and species richness, among other things.…”

Section: Introductionmentioning

confidence: 99%

The Evolution of Social Organization: Climate Influences Variation in Drosophilid Social Networks

Jezovit

Rooke

Schneider

et al. 2019

Preprint

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Cultural norms, collective decisions, reproductive behaviour, and pathogen transmission all emerge from interaction patterns within animal social groups. These patterns of interaction support group-level phenomena that can influence an individual's fitness.The aim of this study is to understand the evolution of social organization in Drosophila.Using a comparative ecological, phylogenetic and behavioural approach, we studied the different properties of social interaction networks (SINs) formed by 20 drosophilids and the different ways these species interact. We investigate whether animal network structures arise from common ancestry, a response to the species' past ecological environment, other social behaviours, or a combination of these factors. We demonstrate that differences in past climate predicted the species' current SIN properties. The drosophilid phylogeny offered no value to predicting species' differences in SINs through phylogenetic signal tests. This suggests group-level social behaviours in drosophilid species are shaped by divergent climates. However, we find that the distance at which flies interact correlated with the drosophilid phylogeny, indicating that behavioural elements that comprise SINs have remained largely unchanged in their recent evolutionary history. We find a significant correlation of leg length to social distance, outlining the interdependence of anatomy and complex social structures.Although SINs display a complex evolutionary relationship across drosophilids, this study provides evidence of selective pressures acting on social behaviour in Drosophila.We speculate that conserved molecular mechanisms may be shared across drosophilids deep in their evolutionary history, similar to other pervasive mechanisms, like biological clocks.

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Phylogeny, environment and sexual communication across the Drosophila genus

Cited by 45 publications

References 112 publications

Hawaiian Drosophila as an Evolutionary Model Clade: Days of Future Past

Hawaiian Drosophila as an Evolutionary Model Clade: Days of Future Past

Niche partitioning as a selective pressure for the evolution of theDrosophilanervous system

The Evolution of Social Organization: Climate Influences Variation in Drosophilid Social Networks

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