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New Malaria Agent Found In Chimpanzees Close To That Commonly Observed In Humans

Date:
May 29, 2009
Source:
Public Library of Science
Summary:
Researchers based in Gabon and France report the discovery of a new malaria agent infecting chimpanzees in Central Africa. This new species, named Plasmodium gaboni, is a close relative of the most virulent human agent P. falciparum.

Researchers based in Gabon and France report the discovery of a new malaria agent infecting chimpanzees in Central Africa. This new species, named Plasmodium gaboni, is a close relative of the most virulent human agent P. falciparum.

The research is described in an article published May 29 in the open-access journal PLoS Pathogens.

P. falciparum is the major human malaria agent responsible for one to three million deaths annually. In 2002, the publication of the genome of P. falciparum generated new hopes in the fight against this deadly disease, by the opportunities it offered to discover new drug targets. However, the lack of known related genomes has limited the development of comparative genomics according to the study's researchers from Centre International de Recherches Médicales de Franceville, Centre National de la Recherche Scientifique, and l'Institut de Recherche pour le Développement.

To investigate the diversity of Plasmodium parasites circulating in chimpanzees in Africa, the team collected blood from 19 wild-borne animals kept as pets by villagers in Gabon. Two were found infected by a Plasmodium parasite. The sequencing of the parasite's whole mitochondrial genome revealed that it belonged to a previously undescribed species of Plasmodium, closely related to P. falciparum. Sequencing of the nuclear genome of this new agent should further the understanding of genomic adaptations of P. falciparum to humans and thus help discover new potential drug targets.

The development of comparative genomics to further understanding of P. falciparum has been hindered by a lack of knowledge of closely related species' genomes. Only one species, P. reichenowi, infecting chimpanzees, was previously known as a sister lineage of P. falciparum. Additional information on related species has thus been needed, making the discovery of P. gaboni an important step forward in exploring a possible relationship for malaria between chimpanzees and humans.


Story Source:

The above story is based on materials provided by Public Library of Science. Note: Materials may be edited for content and length.


Journal Reference:

  1. Ollomo B, Durand P, Prugnolle F, Douzery E, Arnathau C, et al. A New Malaria Agent in African Hominids. PLoS Pathogens, 2009; 5 (5): e1000446 DOI: 10.1371/journal.ppat.1000446

Cite This Page:

Public Library of Science. "New Malaria Agent Found In Chimpanzees Close To That Commonly Observed In Humans." ScienceDaily. ScienceDaily, 29 May 2009. <www.sciencedaily.com/releases/2009/05/090528203735.htm>.
Public Library of Science. (2009, May 29). New Malaria Agent Found In Chimpanzees Close To That Commonly Observed In Humans. ScienceDaily. Retrieved October 23, 2014 from www.sciencedaily.com/releases/2009/05/090528203735.htm
Public Library of Science. "New Malaria Agent Found In Chimpanzees Close To That Commonly Observed In Humans." ScienceDaily. www.sciencedaily.com/releases/2009/05/090528203735.htm (accessed October 23, 2014).

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