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Munk P, Brinch C, Møller FD, Petersen TN, Hendriksen RS, Seyfarth AM, Kjeldgaard JS, Svendsen CA, van Bunnik B, Berglund F, Larsson DGJ, Koopmans M, Woolhouse M, Aarestrup FM, Gibb K, Coventry K, Collignon P, Cassar S, Allerberger F, Begum A, Hossain ZZ, Worrell C, Vandenberg O, Pieters I, Victorien DT, Gutierrez ADS, Soria F, Grujić VR, Mazalica N, Rahube TO, Tagliati CA, Rodrigues D, Oliveira G, de Souza LCR, Ivanov I, Juste BI, Oumar T, Sopheak T, Vuthy Y, Ngandjio A, Nzouankeu A, Olivier ZAAJ, Yost CK, Kumar P, Brar SK, Tabo DA, Adell AD, Paredes-Osses E, Martinez MC, Cuadros-Orellana S, Ke C, Zheng H, Baisheng L, Lau LT, Chung T, Jiao X, Yu Y, JiaYong Z, Morales JFB, Valencia MF, Donado-Godoy P, Coulibaly KJ, Hrenovic J, Jergović M, Karpíšková R, Deogratias ZN, Elsborg B, Hansen LT, Jensen PE, Abouelnaga M, Salem MF, Koolmeister M, Legesse M, Eguale T, Heikinheimo A, Le Guyader S, Schaeffer J, Villacis JE, Sanneh B, Malania L, Nitsche A, Brinkmann A, Schubert S, Hesse S, Berendonk TU, Saba CKS, Mohammed J, Feglo PK, Banu RA, Kotzamanidis C, Lytras E, Lickes SA, Kocsis B, Solymosi N, Thorsteinsdottir TR, Hatha AM, Ballal M, Bangera SR, Fani F, Alebouyeh M, Morris D, O’Connor L, Cormican M, Moran-Gilad J, Battisti A, Diaconu EL, Corno G, Di Cesare A, Alba P, Hisatsune J, Yu L, Kuroda M, Sugai M, Kayama S, Shakenova Z, Kiiyukia C, Ng’eno E, Raka L, Jamil K, Fakhraldeen SA, Alaati T, Bērziņš A, Avsejenko J, Kokina K, Streikisa M, Bartkevics V, Matar GM, Daoud Z, Pereckienė A, Butrimaite-Ambrozeviciene C, Penny C, Bastaraud A, Rasolofoarison T, Collard JM, Samison LH, Andrianarivelo MR, Banda DL, Amin A, Rajandas H, Parimannan S, Spiteri D, Haber MV, Santchurn SJ, Vujacic A, Djurovic D, Bouchrif B, Karraouan B, Vubil DC, Pal P, Schmitt H, van Passel M, Jeunen GJ, Gemmell N, Chambers ST, Mendoza FP, Huete-Pιrez J, Vilchez S, Ahmed AO, Adisa IR, Odetokun IA, Fashae K, Sørgaard AM, Wester AL, Ryrfors P, Holmstad R, Mohsin M, Hasan R, Shakoor S, Gustafson NW, Schill CH, Rojas MLZ, Velasquez JE, Magtibay BB, Catangcatang K, Sibulo R, Yauce FC, Wasyl D, Manaia C, Rocha J, Martins J, Álvaro P, Di Yoong Wen D, Shin H, Hur HG, Yoon S, Bosevska G, Kochubovski M, Cojocaru R, Burduniuc O, Hong PY, Perry MR, Gassama A, Radosavljevic V, Tay MYF, Zuniga-Montanez R, Wuertz S, Gavačová D, Pastuchová K, Truska P, Trkov M, Keddy K, Esterhuyse K, Song MJ, Quintela-Baluja M, Lopez MG, Cerdà-Cuéllar M, Perera RRDP, Bandara NKBKRGW, Premasiri HI, Pathirage S, Charlemagne K, Rutgersson C, Norrgren L, Örn S, Boss R, Van der Heijden T, Hong YP, Kumburu HH, Mdegela RH, Hounmanou YMG, Chonsin K, Suthienkul O, Thamlikitkul V, de Roda Husman AM, Bidjada B, Njanpop-Lafourcade BM, Nikiema-Pessinaba SC, Levent B, Kurekci C, Ejobi F, Kalule JB, Thomsen J, Obaidi O, Jassim LM, Moore A, Leonard A, Graham DW, Bunce JT, Zhang L, Gaze WH, Lefor B, Capone D, Sozzi E, Brown J, Meschke JS, Sobsey MD, Davis M, Beck NK, Sukapanpatharam P, Truong P, Lilienthal R, Kang S, Wittum TE, Rigamonti N, Baklayan P, Van CD, Tran DMN, Do Phuc N, Kwenda G, Larsson DGJ, Koopmans M, Woolhouse M, Aarestrup FM. Author Correction: Genomic analysis of sewage from 101 countries reveals global landscape of antimicrobial resistance. Nat Commun 2023; 14:178. [PMID: 36635285 PMCID: PMC9837105 DOI: 10.1038/s41467-023-35890-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Affiliation(s)
- Patrick Munk
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Christian Brinch
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Frederik Duus Møller
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Thomas N. Petersen
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Rene S. Hendriksen
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Anne Mette Seyfarth
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Jette S. Kjeldgaard
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Christina Aaby Svendsen
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
| | - Bram van Bunnik
- grid.4305.20000 0004 1936 7988Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, UK
| | - Fanny Berglund
- grid.8761.80000 0000 9919 9582Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden
| | | | - D. G. Joakim Larsson
- grid.8761.80000 0000 9919 9582Centre for Antibiotic Resistance Research (CARe), University of Gothenburg, Gothenburg, Sweden
| | - Marion Koopmans
- grid.5645.2000000040459992XDepartment of Viroscience, Erasmus MC, Rotterdam, The Netherlands
| | - Mark Woolhouse
- grid.4305.20000 0004 1936 7988Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, UK
| | - Frank M. Aarestrup
- grid.5170.30000 0001 2181 8870Research Group for Genomic Epidemiology, Technical University of Denmark, Kgs, Lyngby, Denmark
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Price TAR, Windbichler N, Unckless RL, Sutter A, Runge JN, Ross PA, Pomiankowski A, Nuckolls NL, Montchamp-Moreau C, Mideo N, Martin OY, Manser A, Legros M, Larracuente AM, Holman L, Godwin J, Gemmell N, Courret C, Buchman A, Barrett LG, Lindholm AK. Resistance to natural and synthetic gene drive systems. J Evol Biol 2020; 33:1345-1360. [PMID: 32969551 PMCID: PMC7796552 DOI: 10.1111/jeb.13693] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/10/2020] [Accepted: 08/13/2020] [Indexed: 02/06/2023]
Abstract
Scientists are rapidly developing synthetic gene drive elements intended for release into natural populations. These are intended to control or eradicate disease vectors and pests, or to spread useful traits through wild populations for disease control or conservation purposes. However, a crucial problem for gene drives is the evolution of resistance against them, preventing their spread. Understanding the mechanisms by which populations might evolve resistance is essential for engineering effective gene drive systems. This review summarizes our current knowledge of drive resistance in both natural and synthetic gene drives. We explore how insights from naturally occurring and synthetic drive systems can be integrated to improve the design of gene drives, better predict the outcome of releases and understand genomic conflict in general.
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Affiliation(s)
- Tom A. R. Price
- Department of Ecology, Evolution and Behaviour, University of Liverpool, Liverpool L69 7ZB, UK
| | - Nikolai Windbichler
- Department of Life Sciences, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | | | - Andreas Sutter
- School of Biological Sciences, Norwich Research Park, University of East Anglia, Norwich NR4 7TJ, UK
| | - Jan-Niklas Runge
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, 8057 Zurich, Switzerland
| | - Perran A. Ross
- Bio21 and the School of Biosciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Andrew Pomiankowski
- Department of Genetics, Evolution and Environment, University College London, Gower Street, London WC1E 6BT, UK
| | | | - Catherine Montchamp-Moreau
- Evolution Génome Comportement et Ecologie, CNRS, IRD, Université Paris-Saclay, Gif sur Yvette 91190, France
| | - Nicole Mideo
- Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks Street, Toronto, ON M5S 3B2 Canada
| | - Oliver Y. Martin
- Department of Biology (D-BIOL) & Institute of Integrative Biology (IBZ), ETH Zurich, Universitätsstrasse 16, CH 8092 Zurich, Switzerland
| | - Andri Manser
- Department of Ecology, Evolution and Behaviour, University of Liverpool, Liverpool L69 7ZB, UK
| | - Matthieu Legros
- CSIRO Agriculture and Food, Canberra, Australian Capital Territory, Australia
| | | | - Luke Holman
- School of Biosciences, The University of Melbourne, Melbourne, Victoria 3010, Australia
| | - John Godwin
- Department of Biological Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - Neil Gemmell
- Department of Anatomy, University of Otago, Dunedin 9054, New Zealand
| | - Cécile Courret
- Evolution Génome Comportement et Ecologie, CNRS, IRD, Université Paris-Saclay, Gif sur Yvette 91190, France
- Department of Biology, University of Rochester, Rochester, New York, USA
| | - Anna Buchman
- University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093
- Verily Life Sciences, 269 E Grand Ave, South San Francisco, CA 94080
| | - Luke G. Barrett
- CSIRO Agriculture and Food, Canberra, Australian Capital Territory, Australia
| | - Anna K. Lindholm
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, 8057 Zurich, Switzerland
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Teem JL, Alphey L, Descamps S, Edgington MP, Edwards O, Gemmell N, Harvey-Samuel T, Melnick RL, Oh KP, Piaggio AJ, Saah JR, Schill D, Thomas P, Smith T, Roberts A. Genetic Biocontrol for Invasive Species. Front Bioeng Biotechnol 2020; 8:452. [PMID: 32523938 PMCID: PMC7261935 DOI: 10.3389/fbioe.2020.00452] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 04/20/2020] [Indexed: 12/11/2022] Open
Abstract
Invasive species are increasingly affecting agriculture, food, fisheries, and forestry resources throughout the world. As a result of global trade, invasive species are often introduced into new environments where they become established and cause harm to human health, agriculture, and the environment. Prevention of new introductions is a high priority for addressing the harm caused by invasive species, but unfortunately efforts to prevent new introductions do not address the economic harm that is presently manifested where invasive species have already become established. Genetic biocontrol can be defined as the release of organisms with genetic methods designed to disrupt the reproduction of invasive populations. While these methods offer the potential to control or even eradicate invasive species, there is a need to ensure that genetic biocontrol methods can be deployed in a way that minimizes potential harm to the environment. This review provides an overview of the state of genetic biocontrol, focusing on several approaches that were the subject of presentations at the Genetic Biocontrol for Invasive Species Workshop in Tarragona, Spain, March 31st, 2019, a workshop sponsored by the OECD’s Co-operative Research Program on Biological Resource Management for Sustainable Agricultural Systems. The review considers four different approaches to genetic biocontrol for invasive species; sterile-release, YY Males, Trojan Female Technique, and gene drive. The different approaches will be compared with respect to the efficiency each affords as a genetic biocontrol tool, the practical utility and cost/benefits associated with implementation of the approach, and the regulatory considerations that will need to be addressed for each. The opinions expressed and arguments employed in this publication are the sole responsibility of the authors and do not necessarily reflect those of the OECD or of the governments of its Member countries.
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Affiliation(s)
- John L Teem
- ILSI Research Foundation, Washington, DC, United States
| | - Luke Alphey
- The Pirbright Institute, Woking, United Kingdom
| | - Sarah Descamps
- Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
| | | | - Owain Edwards
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Wembley, WA, Australia
| | - Neil Gemmell
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | | | | | - Kevin P Oh
- National Wildlife Research Center, USDA/APHIS-Wildlife Services, Fort Collins, CO, United States
| | - Antoinette J Piaggio
- National Wildlife Research Center, USDA/APHIS-Wildlife Services, Fort Collins, CO, United States
| | | | - Dan Schill
- Fisheries Management Solutions, Inc., Boise, ID, United States
| | - Paul Thomas
- School of Medicine, University of Adelaide, Adelaide, SA, Australia
| | - Trevor Smith
- Florida Department of Agriculture and Consumer Services, Gainesville, FL, United States
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Parry DA, Fraser RB, Alibardi L, Rutherford KM, Gemmell N. Molecular structure of sauropsid β-keratins from tuatara (Sphenodon punctatus). J Struct Biol 2019; 207:21-28. [DOI: 10.1016/j.jsb.2019.04.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 04/06/2019] [Accepted: 04/08/2019] [Indexed: 02/08/2023]
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Martinez B, Khudyakov J, Rutherford K, Crocker DE, Gemmell N, Ortiz RM. Adipose transcriptome analysis provides novel insights into molecular regulation of prolonged fasting in northern elephant seal pups. Physiol Genomics 2018; 50:495-503. [PMID: 29625017 DOI: 10.1152/physiolgenomics.00002.2018] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The physiological and cellular adaptations to extreme fasting in northern elephant seals ( Mirounga angustirostris, NES) are remarkable and may help to elucidate endocrine mechanisms that regulate lipid metabolism and energy homeostasis in mammals. Recent studies have highlighted the importance of thyroid hormones in the maintenance of a lipid-based metabolism during prolonged fasting in weaned NES pups. To identify additional molecular regulators of fasting, we used a transcriptomics approach to examine changes in global gene expression profiles before and after 6-8 wk of fasting in weaned NES pups. We produced a de novo assembly and identified 98 unique protein-coding genes that were differentially expressed between early and late fasting. Most of the downregulated genes were associated with lipid, carbohydrate, and protein metabolism. A number of downregulated genes were also associated with maintenance of the extracellular matrix, consistent with tissue remodeling during weight loss and the multifunctional nature of blubber tissue, which plays both metabolic and structural roles in marine mammals. Using this data set, we predict potential mechanisms by which NES pups sustain metabolism and regulate adipose stores throughout the fast, and provide a valuable resource for additional studies of extreme metabolic adaptations in mammals.
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Affiliation(s)
- Bridget Martinez
- Department of Molecular & Cellular Biology, University of California, Merced, California.,Department of Medicine, St. George's University School of Medicine, St. George, Grenada.,Department of Anatomy, University of Otago , Dunedin , New Zealand.,Department of Physics and Engineering, Los Alamos National Laboratory , Los Alamos, New Mexico
| | - Jane Khudyakov
- Department of Biological Sciences, University of the Pacific , Stockton, California
| | - Kim Rutherford
- Department of Anatomy, University of Otago , Dunedin , New Zealand
| | - Daniel E Crocker
- Department of Biology, Sonoma State University , Rohnert Park, California
| | - Neil Gemmell
- Department of Anatomy, University of Otago , Dunedin , New Zealand
| | - Rudy M Ortiz
- Department of Molecular & Cellular Biology, University of California, Merced, California
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Nyegaard M, Sawai E, Gemmell N, Gillum J, Loneragan NR, Yamanoue Y, Stewart AL. Hiding in broad daylight: molecular and morphological data reveal a new ocean sunfish species (Tetraodontiformes: Molidae) that has eluded recognition. Zool J Linn Soc 2017. [DOI: 10.1093/zoolinnean/zlx040] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Marianne Nyegaard
- School of Veterinary and Life Sciences, Murdoch University, Murdoch, Western Australia, Australia
| | - Etsuro Sawai
- Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
| | - Neil Gemmell
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - Joanne Gillum
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - Neil R Loneragan
- School of Veterinary and Life Sciences, Murdoch University, Murdoch, Western Australia, Australia
- Asia Research Centre, Murdoch University, Murdoch, Western Australia, Australia
| | - Yusuke Yamanoue
- The University Museum, University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Andrew L Stewart
- Museum of New Zealand, Te Papa Tongarewa, Wellington, New Zealand
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Salis AT, Easton LJ, Robertson BC, Gemmell N, Smith IW, Weisler MI, Waters JM, Rawlence NJ. Myth or relict: Does ancient DNA detect the enigmatic Upland seal? Mol Phylogenet Evol 2016; 97:101-106. [DOI: 10.1016/j.ympev.2015.12.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Revised: 12/10/2015] [Accepted: 12/20/2015] [Indexed: 11/29/2022]
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Rosengrave P, Montgomerie R, Gemmell N. Cryptic female choice enhances fertilization success and embryo survival in chinook salmon. Proc Biol Sci 2016; 283:20160001. [PMID: 27009221 PMCID: PMC4822462 DOI: 10.1098/rspb.2016.0001] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2016] [Accepted: 02/24/2016] [Indexed: 12/27/2022] Open
Abstract
In this study, we investigated two potentially important intersexual postcopulatory gametic interactions in a population of chinook salmon (Oncorhynchus tshawytscha): (i) the effect of female ovarian fluid (OF) on the behaviour of spermatozoa during fertilization and (ii) the effects of multilocus heterozygosity (MLH) (as an index of male quality) and female-male genetic relatedness on sperm behaviour and male fertilization success when there is sperm competition in the presence of that OF. To do this, we conducted a series of in vitro competitive fertilization experiments and found that, when ejaculates from two males are competing for access to a single female's unfertilized eggs, fertilization success was significantly biased towards the male whose sperm swam fastest in the female's OF. Embryo survival--a measure of fitness--was also positively correlated with both sperm swimming speed in OF and male MLH, providing novel evidence that cryptic female choice is adaptive for the female, enhancing the early survival of her offspring and potentially influencing her fitness.
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Affiliation(s)
- Patrice Rosengrave
- Department of Anatomy, University of Otago, Dunedin, New Zealand Allan Wilson Centre for Molecular Ecology and Evolution, Department of Anatomy University of Otago, Dunedin, New Zealand
| | - Robert Montgomerie
- Department of Biology, Queen's University, Kingston, Ontario, Canada K7 L 3N6
| | - Neil Gemmell
- Department of Anatomy, University of Otago, Dunedin, New Zealand Allan Wilson Centre for Molecular Ecology and Evolution, Department of Anatomy University of Otago, Dunedin, New Zealand
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Janes DE, Organ CL, Stiglec R, O'Meally D, Sarre SD, Georges A, Graves JAM, Valenzuela N, Literman RA, Rutherford K, Gemmell N, Iverson JB, Tamplin JW, Edwards SV, Ezaz T. Molecular evolution of Dmrt1 accompanies change of sex-determining mechanisms in reptilia. Biol Lett 2015; 10:20140809. [PMID: 25540158 DOI: 10.1098/rsbl.2014.0809] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
In reptiles, sex-determining mechanisms have evolved repeatedly and reversibly between genotypic and temperature-dependent sex determination. The gene Dmrt1 directs male determination in chicken (and presumably other birds), and regulates sex differentiation in animals as distantly related as fruit flies, nematodes and humans. Here, we show a consistent molecular difference in Dmrt1 between reptiles with genotypic and temperature-dependent sex determination. Among 34 non-avian reptiles, a convergently evolved pair of amino acids encoded by sequence within exon 2 near the DM-binding domain of Dmrt1 distinguishes species with either type of sex determination. We suggest that this amino acid shift accompanied the evolution of genotypic sex determination from an ancestral condition of temperature-dependent sex determination at least three times among reptiles, as evident in turtles, birds and squamates. This novel hypothesis describes the evolution of sex-determining mechanisms as turnover events accompanied by one or two small mutations.
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Affiliation(s)
- Daniel E Janes
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA 50011, USA
| | - Christopher L Organ
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, USA
| | - Rami Stiglec
- Institute for Applied Ecology, University of Canberra, Canberra, Australian Capital Territory 2601, Australia
| | - Denis O'Meally
- Institute for Applied Ecology, University of Canberra, Canberra, Australian Capital Territory 2601, Australia
| | - Stephen D Sarre
- Institute for Applied Ecology, University of Canberra, Canberra, Australian Capital Territory 2601, Australia
| | - Arthur Georges
- Institute for Applied Ecology, University of Canberra, Canberra, Australian Capital Territory 2601, Australia
| | - Jennifer A M Graves
- Institute for Applied Ecology, University of Canberra, Canberra, Australian Capital Territory 2601, Australia
| | - Nicole Valenzuela
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA 50011, USA
| | - Robert A Literman
- Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA 50011, USA
| | - Kim Rutherford
- Allen Wilson Centre, Department of Anatomy, University of Otago, Dunedin 9054, New Zealand
| | - Neil Gemmell
- Allen Wilson Centre, Department of Anatomy, University of Otago, Dunedin 9054, New Zealand
| | - John B Iverson
- Department of Biology, Earlham College, Richmond, IN 47374, USA
| | - Jeffrey W Tamplin
- Department of Biology, University of Northern Iowa, Cedar Falls, IA 50614, USA
| | - Scott V Edwards
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
| | - Tariq Ezaz
- Institute for Applied Ecology, University of Canberra, Canberra, Australian Capital Territory 2601, Australia
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Gemmell N, Wolff JN. Mitochondrial replacement therapy: Cautiously replace the master manipulator. Bioessays 2015; 37:584-5. [PMID: 25728033 DOI: 10.1002/bies.201500008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2015] [Revised: 02/09/2015] [Accepted: 02/10/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Neil Gemmell
- Allan Wilson Centre, Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - Jonci N Wolff
- School of Biological Sciences, Monash University, Clayton, Australia
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Nussey DH, Baird D, Barrett E, Boner W, Fairlie J, Gemmell N, Hartmann N, Horn T, Haussmann M, Olsson M, Turbill C, Verhulst S, Zahn S, Monaghan P. Measuring telomere length and telomere dynamics in evolutionary biology and ecology. Methods Ecol Evol 2014; 5:299-310. [PMID: 25834722 PMCID: PMC4375921 DOI: 10.1111/2041-210x.12161] [Citation(s) in RCA: 135] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Accepted: 01/13/2014] [Indexed: 12/25/2022]
Abstract
Telomeres play a fundamental role in the protection of chromosomal DNA and in the regulation of cellular senescence. Recent work in human epidemiology and evolutionary ecology suggests adult telomere length (TL) may reflect past physiological stress and predict subsequent morbidity and mortality, independent of chronological age. Several different methods have been developed to measure TL, each offering its own technical challenges. The aim of this review is to provide an overview of the advantages and drawbacks of each method for researchers, with a particular focus on issues that are likely to face ecologists and evolutionary biologists collecting samples in the field or in organisms that may never have been studied in this context before. We discuss the key issues to consider and wherever possible try to provide current consensus view regarding best practice with regard to sample collection and storage, DNA extraction and storage, and the five main methods currently available to measure TL. Decisions regarding which tissues to sample, how to store them, how to extract DNA, and which TL measurement method to use cannot be prescribed, and are dependent on the biological question addressed and the constraints imposed by the study system. What is essential for future studies of telomere dynamics in evolution and ecology is that researchers publish full details of their methods and the quality control thresholds they employ.
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Affiliation(s)
- Daniel H Nussey
- Institute of Evolutionary Biology and Centre for Immunity, Infection & Evolution, University of Edinburgh Edinburgh, EH9 3JT, UK
| | - Duncan Baird
- Institute of Cancer and Genetics, School of Medicine, Cardiff University Cardiff, CF14 4XN, UK
| | - Emma Barrett
- School of Biological Sciences, University of East Anglia Norwich, NR4 7TJ, UK
| | - Winnie Boner
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow Glasgow, G12 8QQ, UK
| | - Jennifer Fairlie
- Institute of Evolutionary Biology and Centre for Immunity, Infection & Evolution, University of Edinburgh Edinburgh, EH9 3JT, UK
| | - Neil Gemmell
- Department of Anatomy, Allan Wilson Centre for Molecular Ecology and Evolution, University of Otago Dunedin, 9054, New Zealand
| | - Nils Hartmann
- Leibniz Institute for Age Research - Fritz Lipmann Institute (FLI), Molecular Genetics Group Jena, 07745, Germany
| | - Thorsten Horn
- Institute for Developmental Biology, Cologne Biocenter, University of Cologne Cologne, 50674, Germany
| | - Mark Haussmann
- Department of Biology, Bucknell University Lewisburg, PA, 17837, USA
| | - Mats Olsson
- School of Biological Sciences, University of Sydney Sydney, NSW, 2006, Australia
| | - Chris Turbill
- Hawkesbury Institute for the Environment, University of Western Sydney Richmond, NSW, 2753, Australia
| | | | - Sandrine Zahn
- Département d'Ecologie, Physiologie et Ethologie (DEPE), Institut Pluridisciplinaire Huber Curien, CNRS UMR7178 Strasbourg Cedex 2, 67087, France ; University of Strasbourg Strasbourg Cedex, F-67081, France
| | - Pat Monaghan
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow Glasgow, G12 8QQ, UK
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Sawaya S, Bagshaw A, Buschiazzo E, Kumar P, Chowdhury S, Black MA, Gemmell N. Microsatellite tandem repeats are abundant in human promoters and are associated with regulatory elements. PLoS One 2013; 8:e54710. [PMID: 23405090 PMCID: PMC3566118 DOI: 10.1371/journal.pone.0054710] [Citation(s) in RCA: 108] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2012] [Accepted: 12/18/2012] [Indexed: 12/13/2022] Open
Abstract
Tandem repeats are genomic elements that are prone to changes in repeat number and are thus often polymorphic. These sequences are found at a high density at the start of human genes, in the gene’s promoter. Increasing empirical evidence suggests that length variation in these tandem repeats can affect gene regulation. One class of tandem repeats, known as microsatellites, rapidly alter in repeat number. Some of the genetic variation induced by microsatellites is known to result in phenotypic variation. Recently, our group developed a novel method for measuring the evolutionary conservation of microsatellites, and with it we discovered that human microsatellites near transcription start sites are often highly conserved. In this study, we examined the properties of microsatellites found in promoters. We found a high density of microsatellites at the start of genes. We showed that microsatellites are statistically associated with promoters using a wavelet analysis, which allowed us to test for associations on multiple scales and to control for other promoter related elements. Because promoter microsatellites tend to be G/C rich, we hypothesized that G/C rich regulatory elements may drive the association between microsatellites and promoters. Our results indicate that CpG islands, G-quadruplexes (G4) and untranslated regulatory regions have highly significant associations with microsatellites, but controlling for these elements in the analysis does not remove the association between microsatellites and promoters. Due to their intrinsic lability and their overlap with predicted functional elements, these results suggest that many promoter microsatellites have the potential to affect human phenotypes by generating mutations in regulatory elements, which may ultimately result in disease. We discuss the potential functions of human promoter microsatellites in this context.
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Affiliation(s)
- Sterling Sawaya
- Centre for Reproduction and Genomics, Department of Anatomy, and Allan Wilson Centre for Molecular Ecology and Evolution, University of Otago, Dunedin, New Zealand.
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Sawaya SM, Lennon D, Buschiazzo E, Gemmell N, Minin VN. Measuring microsatellite conservation in mammalian evolution with a phylogenetic birth-death model. Genome Biol Evol 2012; 4:636-47. [PMID: 22593552 PMCID: PMC3516246 DOI: 10.1093/gbe/evs050] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Microsatellites make up ∼3% of the human genome, and there is increasing evidence that some microsatellites can have important functions and can be conserved by selection. To investigate this conservation, we performed a genome-wide analysis of human microsatellites and measured their conservation using a binary character birth--death model on a mammalian phylogeny. Using a maximum likelihood method to estimate birth and death rates for different types of microsatellites, we show that the rates at which microsatellites are gained and lost in mammals depend on their sequence composition, length, and position in the genome. Additionally, we use a mixture model to account for unequal death rates among microsatellites across the human genome. We use this model to assign a probability-based conservation score to each microsatellite. We found that microsatellites near the transcription start sites of genes are often highly conserved, and that distance from a microsatellite to the nearest transcription start site is a good predictor of the microsatellite conservation score. An analysis of gene ontology terms for genes that contain microsatellites near their transcription start site reveals that regulatory genes involved in growth and development are highly enriched with conserved microsatellites.
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Affiliation(s)
- Sterling M Sawaya
- Centre for Reproduction and Genomics, Department of Anatomy and Structural Biology, University of Otago, Dunedin, New Zealand
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14
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Clay C, Gleeson D, Howitt R, Lawrence H, Abdelkrim J, Gemmell N. Characterisation of microsatellite markers for the primitive New Zealand frog, Leiopelma hochstetteri. CONSERV GENET RESOUR 2010. [DOI: 10.1007/s12686-010-9211-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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Abstract
Short tandem repeats, specifically microsatellites, are widely used genetic markers, associated with human genetic diseases, and play an important role in various regulatory mechanisms and evolution. Despite their importance, much is yet unknown about their mutational dynamics. The increasing availability of genome data has led to several in silico studies of microsatellite evolution which have produced a vast range of algorithms and software for tandem repeat detection. Documentation of these tools is often sparse, or provided in a format that is impenetrable to most biologists without informatics background. This article introduces the major concepts behind repeat detecting software essential for informed tool selection. We reflect on issues such as parameter settings and program bias, as well as redundancy filtering and efficiency using examples from the currently available range of programs, to provide an integrated comparison and practical guide to microsatellite detecting programs.
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Affiliation(s)
- Angelika Merkel
- School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch 8041, New Zealand.
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Baber M, Moulton H, Smuts‐Kennedy C, Gemmell N, Crossland M. Discovery and spatial assessment of a Hochstetter's frog(Leiopelma hochstetteri)population found in Maungatautari Scenic Reserve, New Zealand. New Zealand Journal of Zoology 2006. [DOI: 10.1080/03014223.2006.9518439] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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17
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Gemmell N. Levels of polymorphism on the sex-limited chromosome: a clue to Y from W? Bioessays 2003; 25:1249. [PMID: 14635261 DOI: 10.1002/bies.10389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Abstract
The effects of several novel monosaccharides upon thymidine incorporation into both normal and tumour cells were investigated. The monosaccharide 2-deoxy-3-[1-(R)-(ethoxycarbonyl)ethyl]- alpha-D-allo-pyranose had the most inhibitory effect on proliferation, with the (S)-enantiomer having less inhibitory effects. The chiral centre at carbon-7 was found to be an important part of the molecule, as 2-deoxy-3-[methoxycarbonyl methyl]-alpha-D-allo-pyranose had greatly decreased anti-proliferative properties in comparison with the parent compound. In addition, the 2-deoxy structure at carbon-2 was also found to be important, as 3-[1-(S)-(ethoxycarbonyl)ethyl]-alpha-D-allo-hexopyranose had greatly decreased inhibitory properties in comparison with the parent compound. The results indicate that these novel monosaccharides possess potent anti-proliferative properties, related to their chiral carbon-7 and 2-deoxy carbon-2 structure and suggest that further substitutions of the functional group at carbon-7 may improve these properties and possibly produce inhibitor selectivity for tumour cells in preference to normal cells.
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Affiliation(s)
- A Colquhoun
- Department of Biochemistry, University of Oxford, U.K
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Abstract
"Various hypotheses have been put forward in recent years concerning the contribution of human capital to economic growth. This paper argues that school enrolment rates--by far the most commonly used human capital measure in growth regressions attempting to test these hypotheses--conflate human capital stock and accumulation effects and lead to misinterpretations of the role of labour force growth. An alternative education-related human capital measure is constructed which is capable of distinguishing between stocks and flows. Applying this measure to samples of developed and less developed countries during the 1960-85 period suggests not only that there are important growth effects associated both with 'initial' stocks of, and subsequent growth in, human capital, but also that this new measure out-performs the simple school enrolment rates used in previous analyses."
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