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New Species of Human Malaria Discovered

by Savitha C Muppala on  April 21, 2010 at 10:48 PM Research News   - G J E 4
 New Species of Human Malaria Discovered
Scientists have discovered a new species of human malaria.
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While studying ovale malaria - a form of the disease thought to be caused by a single species of parasite, scientists discovered that the parasite is actually two similar but distinct species which do not reproduce with each other.

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Experts from the London School of Hygiene and Tropical Medicine, the Hospital for Tropical Diseases and Mahidol University, Bangkok joined forces last year in order to share their research after noticing that the single parasite Plasmodium ovale, though visible through a microscope, was not detected by forensic DNA tests designed to identify the species.

"We used DNA technology to compare the parasites from 56 patients with ovale malaria, from across the tropical world," Dr Colin Sutherland, lead researcher at the London School of Hygiene and Tropical Medicine, said.

"It was a great surprise to find that, not only are these two species completely distinct from each other by every test we carried out, they actually occur in people living side by side in the same African and Asian countries, and even in the same towns and villages.

"We hope to continue our work so we can unravel the mysterious differences between these two newly recognised human pathogens," Sutherland added.

The research has been published in The Journal of Infectious Diseases.

Source: ANI
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