Engineered Reciprocal Chromosome Translocations Drive High Threshold, Reversible Population Replacement in Drosophila
- Anna B. BuchmanAnna B. BuchmanDivision of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, United StatesDivision of Biological Sciences, University of California, San Diego, California 92161, United StatesMore by Anna B. Buchman,
- Tobin IvyTobin IvyDivision of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, United StatesMore by Tobin Ivy,
- John M. MarshallJohn M. MarshallSchool of Public Health, University of California, Berkeley, California 94720, United StatesMore by John M. Marshall,
- Omar S. Akbari*Omar S. Akbari*E-mail: [email protected]Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, United StatesDivision of Biological Sciences, University of California, San Diego, California 92161, United StatesMore by Omar S. Akbari, and
- Bruce A. Hay*Bruce A. Hay*E-mail: [email protected]Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, United StatesDivision of Biological Sciences, University of California, San Diego, California 92161, United StatesMore by Bruce A. Hay
Abstract

Replacement of wild insect populations with transgene-bearing individuals unable to transmit disease or survive under specific environmental conditions using gene drive provides a self-perpetuating method of disease prevention. Mechanisms that require the gene drive element and linked cargo to exceed a high threshold frequency in order for spread to occur are attractive because they offer several points of control: they bring about local, but not global population replacement; and transgenes can be eliminated by reintroducing wildtypes into the population so as to drive the frequency of transgenes below the threshold frequency required for drive. Reciprocal chromosome translocations were proposed as a tool for bringing about high threshold population replacement in 1940 and 1968. However, translocations able to achieve this goal have only been reported once, in the spider mite Tetranychus urticae, a haplo-diploid species in which there is strong selection in haploid males for fit homozygotes. We report the creation of engineered translocation-bearing strains of Drosophila melanogaster, generated through targeted chromosomal breakage and homologous recombination. These strains drive high threshold population replacement in laboratory populations. While it remains to be shown that engineered translocations can bring about population replacement in wild populations, these observations suggest that further exploration of engineered translocations as a tool for controlled population replacement is warranted.
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This article is cited by 15 publications.
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- Sumit Dhole, Alun L. Lloyd, Fred Gould. Tethered homing gene drives: A new design for spatially restricted population replacement and suppression. Evolutionary Applications 2019, 12 (8) , 1688-1702. https://doi.org/10.1111/eva.12827
- Dominique Brossard, Pam Belluck, Fred Gould, Christopher D. Wirz. Promises and perils of gene drives: Navigating the communication of complex, post-normal science. Proceedings of the National Academy of Sciences 2019, 116 (16) , 7692-7697. https://doi.org/10.1073/pnas.1805874115
- James J. Bull, Christopher H. Remien, Richard Gomulkiewicz, Stephen M. Krone. Spatial structure undermines parasite suppression by gene drive cargo. PeerJ 2019, 7 , e7921. https://doi.org/10.7717/peerj.7921
- Philip T. Leftwich, Matthew P. Edgington, Tim Harvey-Samuel, Leonela Z. Carabajal Paladino, Victoria C. Norman, Luke Alphey. Recent advances in threshold-dependent gene drives for mosquitoes. Biochemical Society Transactions 2018, 46 (5) , 1203-1212. https://doi.org/10.1042/BST20180076




