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      Driving towards ecotechnologies

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          Abstract

          The prospect of using genetic methods to target vector, parasite, and reservoir species offers tremendous potential benefits to public health, but the use of genome editing to alter the shared environment will require special attention to public perception and community governance in order to benefit the world. Public skepticism combined with the media scrutiny of gene drive systems could easily derail unpopular projects entirely, especially given the potential for trade barriers to be raised against countries that employ self-propagating gene drives. Hence, open and community-guided development of thoughtfully chosen applications is not only the most ethical approach, but also the most likely to overcome the economic, social, and diplomatic barriers. Here we review current and past attempts to alter ecosystems using biological methods, identify key determinants of social acceptance, and chart a stepwise path for developers towards safe and widely supported use.

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          Most cited references42

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          Of ticks, mice and men: understanding the dual-host lifestyle of Lyme disease spirochaetes.

          In little more than 30 years, Lyme disease, which is caused by the spirochaete Borrelia burgdorferi, has risen from relative obscurity to become a global public health problem and a prototype of an emerging infection. During this period, there has been an extraordinary accumulation of knowledge on the phylogenetic diversity, molecular biology, genetics and host interactions of B. burgdorferi. In this Review, we integrate this large body of information into a cohesive picture of the molecular and cellular events that transpire as Lyme disease spirochaetes transit between their arthropod and vertebrate hosts during the enzootic cycle.
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            Suppression of a Field Population of Aedes aegypti in Brazil by Sustained Release of Transgenic Male Mosquitoes

            The increasing burden of dengue, and the relative failure of traditional vector control programs highlight the need to develop new control methods. SIT using self-limiting genetic technology is one such promising method. A self-limiting strain of Aedes aegypti, OX513A, has already reached the stage of field evaluation. Sustained releases of OX513A Ae. aegypti males led to 80% suppression of a target wild Ae. aegypti population in the Cayman Islands in 2010. Here we describe sustained series of field releases of OX513A Ae. aegypti males in a suburb of Juazeiro, Bahia, Brazil. This study spanned over a year and reduced the local Ae. aegypti population by 95% (95% CI: 92.2%-97.5%) based on adult trap data and 81% (95% CI: 74.9-85.2%) based on ovitrap indices compared to the adjacent no-release control area. The mating competitiveness of the released males (0.031; 95% CI: 0.025-0.036) was similar to that estimated in the Cayman trials (0.059; 95% CI: 0.011 – 0.210), indicating that environmental and target-strain differences had little impact on the mating success of the OX513A males. We conclude that sustained release of OX513A males may be an effective and widely useful method for suppression of the key dengue vector Ae. aegypti. The observed level of suppression would likely be sufficient to prevent dengue epidemics in the locality tested and other areas with similar or lower transmission.
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              Genetic control of mosquitoes.

              Genetics can potentially provide new, species-specific, environmentally friendly methods for mosquito control. Genetic control strategies aim either to suppress target populations or to introduce a harm-reducing novel trait. Different approaches differ considerably in their properties, especially between self-limiting strategies, where the modification has limited persistence, and self-sustaining strategies, which are intended to persist indefinitely in the target population and may invade other populations. Several methods with different molecular biology are under development and the first field trials have been completed successfully.
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                Author and article information

                Journal
                Pathog Glob Health
                Pathog Glob Health
                YPGH
                ypgh20
                Pathogens and Global Health
                Taylor & Francis
                2047-7724
                2047-7732
                December 2017
                09 April 2018
                : 111
                : 8
                : 448-458
                Affiliations
                [a ]Media Lab, Massachusetts Institute of Technology , Cambridge, MA, USA
                Author notes
                [* ]Corresponding author. Email address: esvelt@ 123456mit.edu
                Author information
                http://orcid.org/0000-0001-9048-3592
                http://orcid.org/0000-0001-8797-3945
                Article
                1452844
                10.1080/20477724.2018.1452844
                6066850
                29629849
                93bdac36-6395-4ffc-acad-c1df35237acc
                © 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Page count
                Figures: 5, Tables: 1, Equations: 0, References: 72, Pages: 11
                Funding
                Funded by: Burroughs Wellcome Fund 10.13039/100000861
                Award ID: 1016432
                Funded by: Defense Advanced Research Projects Agency 10.13039/100000185
                Award ID: N66001-17-2-4054
                Funded by: National Institute of Diabetes and Digestive and Kidney Diseases 10.13039/100000062
                Award ID: DK102669
                Funded by: National Institutes of Health 10.13039/100000002
                Award ID: AI136597-01
                Funded by: Wellcome Trust 10.13039/100010269
                Award ID: 1016432
                Categories
                Original Article

                Infectious disease & Microbiology
                gene drive,ecotechnology,community engagement,open science,malaria,lyme,dengue

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