Sequencing of Culex quinquefasciatus Establishes a Platform for Mosquito Comparative Genomics

Author:

Arensburger Peter1,Megy Karine2,Waterhouse Robert M.34,Abrudan Jenica5,Amedeo Paolo6,Antelo Beatriz7,Bartholomay Lyric8,Bidwell Shelby9,Caler Elisabet6,Camara Francisco9,Campbell Corey L.10,Campbell Kathryn S.11,Casola Claudio12,Castro Marta T.13,Chandramouliswaran Ishwar6,Chapman Sinéad B.14,Christley Scott5,Costas Javier15,Eisenstadt Eric6,Feschotte Cedric16,Fraser-Liggett Claire17,Guigo Roderic9,Haas Brian14,Hammond Martin2,Hansson Bill S.18,Hemingway Janet19,Hill Sharon R.20,Howarth Clint14,Ignell Rickard20,Kennedy Ryan C.5,Kodira Chinnappa D.21,Lobo Neil F.5,Mao Chunhong22,Mayhew George23,Michel Kristin24,Mori Akio5,Liu Nannan25,Naveira Horacio26,Nene Vishvanath1727,Nguyen Nam16,Pearson Matthew D.14,Pritham Ellen J.16,Puiu Daniela28,Qi Yumin22,Ranson Hilary19,Ribeiro Jose M. C.29,Roberston Hugh M.30,Severson David W.5,Shumway Martin29,Stanke Mario31,Strausberg Robert L.6,Sun Cheng16,Sutton Granger6,Tu Zhijian (Jake)22,Tubio Jose Manuel C.7,Unger Maria F.5,Vanlandingham Dana L.32,Vilella Albert J.2,White Owen17,White Jared R.14,Wondji Charles S.19,Wortman Jennifer17,Zdobnov Evgeny M.3432,Birren Bruce14,Christensen Bruce M.23,Collins Frank H.5,Cornel Anthony33,Dimopoulos George34,Hannick Linda I.6,Higgs Stephen32,Lanzaro Gregory C.35,Lawson Daniel2,Lee Norman H.36,Muskavitch Marc A. T.143738,Raikhel Alexander S.1,Atkinson Peter W.1

Affiliation:

1. Center for Disease Vector Research, University of California Riverside, Riverside, CA 92521, USA.

2. European Bioinformatics Institute (EMBL-EBI), Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, UK.

3. University of Geneva Medical School, 1 rue Michel-Servet, 1211 Geneva, Switzerland.

4. Swiss Institute of Bioinformatics, 1 rue Michel-Servet, 1211 Geneva, Switzerland.

5. University of Notre Dame, Notre Dame, IN 46556, USA.

6. J. Craig Venter Institute, Rockville, MD 20850, USA.

7. Complexo Hospitalario Universitario de Santiago, Santiago de Compostela 15706, Spain.

8. Iowa State University, Ames, IA 50011, USA.

9. Center for Genomic Regulation, Universitat Pompeu Fabra, E-08003 Barcelona, Catalonia, Spain.

10. Colorado State University, Fort Collins, CO 80523, USA.

11. Harvard University, Cambridge, MA 02138, USA.

12. Indiana University, Bloomington, IN 47405–3700, USA.

13. Programa d’Epigenética i Biologia del Cáncer, Hospital Duran i Reynals, 08907 Hospitalet de Llobregat, Barcelona, Spain.

14. The Broad Institute, Cambridge, MA 02142, USA.

15. Fundación Pública Galega de Medicina Xenómica–Servizo Galego de Saúde, Santiago de Compostela 15706, Spain.

16. University of Texas Arlington, Arlington, TX 76019, USA.

17. Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD 21201, USA.

18. Max Planck Institute for Chemical Ecology, 07749 Jena, Germany.

19. Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK.

20. Swedish University of Agricultural Sciences, 230 53 Alnarp, Sweden.

21. 454 Life Sciences, the Roche Group, Branford, CT 06405, USA.

22. Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.

23. University of Wisconsin, Madison, WI 53706, USA.

24. Kansas State University, Manhattan, KS 66506, USA.

25. Auburn University, Auburn, AL 36849, USA.

26. Departamento de Biloxía Celular e Molecular, Universidade da Coruña, 15071 A, Coruña, Spain.

27. International Livestock Research Institute, Nairobi, Kenya.

28. Center for Bioinformatics and Computational Biology, University of Maryland, College Park, MD 20742, USA.

29. National Institutes of Health, Bethesda, MD 20892, USA.

30. University of Illinois Urbana-Champaign, Urbana, IL 61801, USA.

31. University of Göttingen, 37077 Göttingen, Germany.

32. Imperial College London, South Kensington Campus, London SW7 2AZ, UK.

33. University of Texas Medical Branch, Galveston, TX 77555, USA.

34. Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA.

35. University of California Davis, Parlier, CA 93648, USA.

36. George Washington University Medical Center, Washington, DC 20037, USA.

37. Boston College, Chestnut Hill, MA 02467, USA.

38. Harvard School of Public Health, Boston, MA 02115, USA.

Abstract

Closing the Vector Circle The genome sequence of Culex quinquefasciatus offers a representative of the third major genus of mosquito disease vectors for comparative analysis. In a major international effort, Arensburger et al. (p. 86 ) uncovered divergences in the C. quinquefasciatus genome compared with the representatives of the other two genera Aedes aegypti and Anopheles gambiae . The main difference noted is the expansion of numbers of genes, particularly for immunity, oxidoreductive functions, and digestive enzymes, which may reflect specific aspects of the Culex life cycle. Bartholomay et al. (p. 88 ) explored infection-response genes in Culex in more depth and uncovered 500 immune response-related genes, similar to the numbers seen in Aedes , but fewer than seen in Anopheles or the fruit fly Drosophila melanogaster . The higher numbers of genes were attributed partly to expansions in those encoding serpins, C-type lectins, and fibrinogen-related proteins, consistent with greater immune surveillance and associated signaling needed to monitor the dangers of breeding in polluted, urbanized environments. Transcriptome analysis confirmed that inoculation with unfamiliar bacteria prompted strong immune responses in Culex . The worm and virus pathogens that the mosquitoes transmit naturally provoked little immune activation, however, suggesting that tolerance has evolved to any damage caused by replication of the pathogens in the insects.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference12 articles.

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5. Differences in Extent of Genetic Introgression Between SympatricCulex pipiensandCulex quinquefasciatus(Diptera: Culicidae) in California and South Africa

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