The genome of the simian and human malaria parasite Plasmodium knowlesi
- Pain, A; Bohme, U; Berry, AE; Mungall, K; Finn, RD; Jackson, AP; Mourier, T; Mistry, J; Pasini, EM; Aslett, MA; Balasubrammaniam, S; Borgwardt, K; Brooks, K; Carret, C; Carver, TJ; Cherevach, I; Chillingworth, T; Clark, TG; Galinski, MR; Hall, N; Harper, D; Harris, D; Hauser, H; Ivens, A; Janssen, CS; Keane, T; Larke, N; Lapp, S; Marti, M; Moule, S; Meyer, IM; Ormond, D; Peters, N; Sanders, M; Sanders, S; Sargeant, TJ; Simmonds, M; Smith, F; Squares, R; Thurston, S; Tivey, AR; Walker, D; White, B; Zuiderwijk, E; Churcher, C; Quail, MA; Cowman, AF; Turner, CMR; Rajandream, MA; Kocken, CHM; Thomas, AW; Newbold, CI; Barrell, BG; Berriman, M;
Publication Year 2008-10-09, Volume 455, Issue #7214, Page 799-U7
- Journal Title
- Publication Type
- Journal Article
- Plasmodium knowlesi is an intracellular malaria parasite whose natural vertebrate host is Macaca fascicularis ( the 'kra' monkey); however, it is now increasingly recognized as a significant cause of human malaria, particularly in southeast Asia(1,2). Plasmodium knowlesi was the first malaria parasite species in which antigenic variation was demonstrated(3), and it has a close phylogenetic relationship to Plasmodium vivax(4), the second most important species of human malaria parasite ( reviewed in ref. 4). Despite their relatedness, there are important phenotypic differences between them, such as host blood cell preference, absence of a dormant liver stage or 'hypnozoite' in P. knowlesi, and length of the asexual cycle ( reviewed in ref. 4). Here we present an analysis of the P. knowlesi ( H strain, Pk1( A+) clone(5)) nuclear genome sequence. This is the first monkey malaria parasite genome to be described, and it provides an opportunity for comparison with the recently completed P. vivax genome(4) and other sequenced Plasmodium genomes(6-8). In contrast to other Plasmodium genomes, putative variant antigen families are dispersed throughout the genome and are associated with intrachromosomal telomere repeats. One of these families, the KIRs(9), contains sequences that collectively match over one- half of the host CD99 extracellular domain, which may represent an unusual form of molecular mimicry.
- NATURE PUBLISHING GROUP
- ANTIGENIC VARIATION; VARIANT ANTIGEN; INFECTED ERYTHROCYTES; SEQUENCE; PROTEIN; EXPRESSION; PREDICTION; FALCIPARUM; VIRULENCE; PROGRAM
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Creation Date: 2008-10-09 12:00:00Last Modified: 0001-01-01 12:00:00