The genome of the African trypanosome Trypanosoma brucei

M Berriman, E Ghedin, C Hertz-Fowler, G Blandin, H Renauld, DC Bartholomeu, NJ Lennard, E Caler, NE Hamlin, B Haas, W Bohme, L Hannick, MA Aslett, J Shallom, L Marcello, LH Hou, B Wickstead, UCM Alsmark, C Arrowsmith, RJ AtkinAJ Barron, F Bringaud, K Brooks, M Carrington, I Cherevach, TJ Chillingworth, C Churcher, LN Clark, CH Corton, A Cronin, RM Davies, J Doggett, A Djikeng, T Feldblyum, MC Field, A Fraser, I Goodhead, Z Hance, D Harper, BR Harris, H Hauser, J Hostetter, A Ivens, K Jagels, D Johnson, J Johnson, K Jones, AX Kerhornou, H Koo, N Larke, S Landfear, C Larkin, V Leech, A Line, A Lord, A Macleod, PJ Mooney, S Moule, DMA Martin, GW Morgan, K Mungall, H Norbertczak, D Ormond, G Pai, Christopher Peacock, J Peterson, MA Quail, E Rabbinowitsch, MA Rajandream, C Reitter, SL Salzberg, M Sanders, S Schobel, S Sharp, M Simmonds, AJ Simpson, L Talton, CMR Turner, A Tait, AR Tivey, S Van Aken, D Walker, D Wanless, SL Wang, B White, O White, S Whitehead, J Woodward, J Wortman, MD Adams, TM Embley, K Gull, E Ullu, JD Barry, AH Fairlamb, F Opperdoes, BG Barret, JE Donelson, N Hall, CM Fraser, SE Melville, NM El-Sayed

    Research output: Contribution to journalArticle

    1193 Citations (Scopus)

    Abstract

    African trypanosomes cause human sleeping sickness and livestock trypanosomiasis in sub-Saharan Africa. We present the sequence and analysis of the 11 megabase-sized chromosomes of Trypanosoma brucei. The 26-megabase genome contains 9068 predicted genes, including similar to 900 pseudogenes and similar to 1700 T. brucei-specific genes. Large subteiomeric arrays contain an archive of 806 variant surface glycoprotein (VSG) genes used by the parasite to evade the mammalian immune system. Most VSG genes are pseudogenes, which may be used to generate expressed mosaic genes by ectopic recombination. Comparisons of the cytoskeleton and endocytic trafficking systems with those of humans and other eukaryotic organisms reveal major differences. A comparison of metabolic pathways encoded by the genomes; of T. brucei, T. cruzi, and Leishmania major reveals the least overall metabolic capability in T. brucei and the greatest in L. major. Horizontal transfer of genes of, bacterial. origin has contributed to some of the metabolic differences in these, parasites, and a number of novel potential drug targets have been identified.
    Original languageEnglish
    Pages (from-to)416-422
    JournalScience
    Volume309
    DOIs
    Publication statusPublished - 2005

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