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, Inna Cherevach, TJ Chillingworth, C Churcher, LN Clark, CH Corton, A Cronin, RM Davies, J Doggett, A Djikeng, T Feldblyum, MC Field, A Fraser, Ian 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, Nicola Leech, A Line, A Lord, A MacLeod, PJ Mooney, S Moule, DMA Martin, GW Morgan, K Mungall, H Norbertczak, D Ormond, G Pai, CS 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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

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
Number of pages7
Issue number5733
Publication statusPublished - 15 Jul 2005

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