8 Works

Data from: Effective population size of malaria mosquitoes: large impact of vector control

Giridhar Athrey, Theresa K. Hodges, Michael R. Reddy, Hans J. Overgaard, Abrahan Matias, Frances C. Ridl, Immo Kleinschmidt, Adalgisa Caccone & Michel A. Slotman
Malaria vectors in sub-Saharan Africa have proven themselves very difficult adversaries in the global struggle against malaria. Decades of anti-vector interventions have yielded mixed results – with successful reductions in transmission in some areas, and limited impacts in others. These varying successes can be ascribed to a lack of universally effective vector control tools, as well as the development of insecticide resistance in mosquito populations. Understanding the impact of vector control on mosquito populations is...

Data from: Testing for ancient adaptive radiations in Neotropical cichlid fishes

Hernán López-Fernández, Jessica H. Arbour, Kirk O. Winemiller & Rodney L. Honeycutt
Most contemporary studies of adaptive radiation focus on relatively recent and geographically restricted clades. It is less clear whether diversification of ancient clades spanning entire continents is consistent with adaptive radiation. We used novel fossil calibrations to generate a chronogram of Neotropical cichlid fishes and to test whether patterns of lineage and morphological diversification are congruent with hypothesized adaptive radiations in South and Central America. We found that diversification in the Neotropical cichlid clade and...

Data from: How far is too close? Restricted, sex-biased dispersal in black-capped vireos

Giri Athrey, Richard F. Lance & Paul L. Leberg
Understanding the interplay of dispersal and how it translates into gene flow is key to understanding population processes, and especially so for endangered species occupying fragmented habitats. In migratory songbirds, there is evidence that long-distance movement capabilities are not highly related to observed dispersal. Our objectives were to 1) define the fine-scale spatial genetic structure in the endangered black-capped vireos to shed light on dispersal patterns, and 2) to relate dispersal dynamics to overall population...

Data from: Genetic isolation within the malaria mosquito Anopheles melas

Kevin C. Deitz, Giridhar Athrey, Michael R. Reddy, Hans J. Overgaard, Abrahan Matias, Jawara Musa, Alessandra Della Torre, Vincenzo Petrarca, Joao Pinto, Anthony E. Kiszewski, Pierre Kengne, Carlo Costantini, Adalgisa Caccone, Michel A. Slotman, Musa Jawara & Giri Athrey
Anopheles melas is a brackish water-breeding member of the An. gambiae complex that is distributed along the coast of West Africa and is a major malaria vector within its range. Because little is known about the population structure of this species, we analyzed 15 microsatellite markers and 1,161 bp of mtDNA in 11 An. melas populations collected throughout its range. Compared to its sibling species An. gambiae, An. melas populations have a high level of...

Data from: A phylogenetic analysis of the megadiverse Chalcidoidea (Hymenoptera)

John M. Heraty, Roger A. Burks, Astrid Cruaud, Gary A. P. Gibson, Johan Liljeblad, James Munro, Jean-Yves Rasplus, Gerard Delvare, Petr Janšta, Alex Gumovsky, John Huber, James B. Woolley, Lars Krogmann, Steve Heydon, Andrew Polaszek, Stefan Schmidt, D. Chris Darling, Michael W. Gates, Jason Mottern, Elizabeth Murray, Ana Dal Molin, Serguei Triapitsyn, Hannes Baur, John D. Pinto, Simon Van Noort … & Matthew Yoder
Chalcidoidea (Hymenoptera) is extremely diverse with an estimated 500 000 species. We present the first phylogenetic analysis of the superfamily based on both morphological and molecular data. A web-based, systematics workbench mx was used to score 945 character states illustrated by 648 figures for 233 morphological characters for a total of 66 645 observations for 300 taxa. The matrix covers 22 chalcidoid families recognized herein and includes 268 genera within 78 of 83 subfamilies. Morphological...

Data from: Does mating behaviour affect connectivity in marine fishes? Comparative population genetics of two protogynous groupers (Family Serranidae)

David S. Portnoy, Christopher M. Hollenbeck, Mark A. Renshaw, Nancie J. Cummings & John R. Gold
Pelagic larval duration (PLD) has been hypothesized to be the primary predictor of connectivity in marine fishes; however, few studies have examined the effects that adult reproductive behaviour may have on realized dispersal. We assessed gene flow (connectivity) by documenting variation in microsatellites and mitochondrial DNA sequences in two protogynous species of groupers, the aggregate spawning red hind, Epinephelus guttatus, and the single-male, harem-spawning coney, Cephalopholis fulva, to ask if reproductive strategy affects connectivity. Samples...

Data from: An evaluation of the hybrid speciation hypothesis for Xiphophorus clemenciae based on whole genome sequences

Molly Schumer, Rongfeng Cui, Bastien Boussau, Ronald Brice Walter, Gil G. Rosenthal & Peter Andolfatto
Once thought rare in animal taxa, hybridization has been increasingly recognized as an important and common force in animal evolution. In the past decade, a number of studies have suggested that hybridization has driven speciation in some animal groups. We investigate the signature of hybridization in the genome of a putative hybrid species, Xiphophorus clemenciae, through whole genome sequencing of this species and its hypothesized progenitors. Based on analysis of this data, we find that...

Data from: Genetic variation in the Yolk protein expression network of Drosophila melanogaster: sex-biased negative correlations with longevity

Aaron M. Tarone, Lauren M. Mcintyre, Lawrence G. Harshman & Sergey V. Nuzhdin
One of the persistent problems in biology is understanding how genetic variation contributes to phenotypic variation. Associations at many levels have been reported, and yet causal inference has remained elusive. We propose to rely on the knowledge of causal relationships established by molecular biology approaches. The existing molecular knowledge forms a firm backbone upon which hypotheses connecting genetic variation, transcriptional variation and phenotypic variation can be built. The sex determination pathway is a well-established molecular...

Registration Year

  • 2012
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Affiliations

  • Texas A&M University
    8
  • Yale University
    2
  • Medical Research Council
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  • Norwegian University of Life Sciences
    2
  • London School of Hygiene & Tropical Medicine
    1
  • United States Army
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  • Princeton University
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  • University of California System
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  • Royal Ontario Museum
    1
  • University of California, Berkeley
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