Plasmodium malariae and P. ovale genomes provide insights into malaria parasite evolution

Rutledge, G. G. et al. (2017) Plasmodium malariae and P. ovale genomes provide insights into malaria parasite evolution. Nature, 542(7639), pp. 101-104. (doi: 10.1038/nature21038) (PMID:28117441) (PMCID:PMC5326575)

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Elucidation of the evolutionary history and interrelatedness of Plasmodium species that infect humans has been hampered by a lack of genetic information for three human-infective species: P. malariae and two P. ovale species (P. o. curtisi and P. o. wallikeri). These species are prevalent across most regions in which malaria is endemic and are often undetectable by light microscopy, rendering their study in human populations difficult. The exact evolutionary relationship of these species to the other human-infective species has been contested. Using a new reference genome for P. malariae and a manually curated draft P. o. curtisi genome, we are now able to accurately place these species within the Plasmodium phylogeny. Sequencing of a P. malariae relative that infects chimpanzees reveals similar signatures of selection in the P. malariae lineage to another Plasmodium lineage shown to be capable of colonization of both human and chimpanzee hosts. Molecular dating suggests that these host adaptations occurred over similar evolutionary timescales. In addition to the core genome that is conserved between species, differences in gene content can be linked to their specific biology. The genome suggests that P. malariae expresses a family of heterodimeric proteins on its surface that have structural similarities to a protein crucial for invasion of red blood cells. The data presented here provide insight into the evolution of the Plasmodium genus as a whole.

Item Type:Articles
Additional Information:This work was supported by the Medical Research Council (MR/J004111/1; MR/L008661/1) and the Wellcome Trust (098051). S.A. and R.N.P. are funded by the Wellcome Trust (091625). F.R., B.O. and F.P. are financed by the ANR JCJC 2012 ORIGIN, the LMI Zofac, as well as by CNRS, IRD, and CIRMF. C.I.N. is funded by a Wellcome Trust Investigator Award (104792/Z/14/Z). A.A.D. is funded as a Sanger International Fellow. J.S.M. and N.M.A. are supported by NHMRC Practitioner Fellowships (1041802; 1042072).
Glasgow Author(s) Enlighten ID:Cotton, Dr James and Otto, Dr Thomas
Authors: Rutledge, G. G., Böhme, U., Sanders, M., Reid, A. J., Cotton, J. A., Maiga-Ascofare, O., Djimdé, A. A., Apinjoh, T. O., Amenga-Etego, L., Manske, M., Barnwell, J. W., Renaud, F., Ollomo, B., Prugnolle, F., Anstey, N. M., Auburn, S., Price, R. N., McCarthy, J. S., Kwiatkowski, D. P., Newbold, C. I., Berriman, M., and Otto, T. D.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine
Journal Name:Nature
Publisher:Nature Publishing Group
ISSN (Online):1476-4687
Published Online:25 January 2017
Copyright Holders:Copyright © 2017 Macmillan Publishers Limited, part of Springer Nature
First Published:First published in Nature 542(7639): 101-104
Publisher Policy:Reproduced under a Creative Commons license

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