Title
Ancient introgression between two ape malaria parasite species
Author(s)
Plenderleith, Lindsey J.;Liu, Weimin;Learn, Gerald H.;Loy, Dorothy E.;Speede, Sheri;Sanz, Crickette M.;Morgan, David B.;et al.
Published
2019
Publisher
Genome and Biology and Evolution
Abstract
The Laverania clade comprises the human malaria parasite Plasmodium falciparum as well as at least seven additional parasite species that infect wild African apes. A recent analysis of Laverania genome sequences (Otto TD, et al. 2018. Genomes of all known members of a Plasmodium subgenus reveal paths to virulent human malaria. Nat Microbiol. 3: 687–697) reported three instances of interspecies gene transfer, one of which had previously been described. Generating gene sequences from additional ape parasites and re-examining sequencing reads generated in the Otto et al. study, we identified one of the newly described gene transfers as an assembly artifact of sequences derived from a sample coinfected by two parasite species. The second gene transfer between ancestors of two divergent chimpanzee parasite lineages was confirmed, but involved a much larger number of genes than originally described, many of which encode exported proteins that remodel, or bind to, erythrocytes. Because successful hybridization between Laverania species is very rare, it will be important to determine to what extent these gene transfers have shaped their host interactions.
Keywords
chimpanzee;Plasmodium;Laverania;exported proteins
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PUB24989