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plasmodium ovale

Real-time PCR assay for discrimination of Plasmodium ovale curtisi and Plasmodium ovale wallikeri in the Ivory Coast and in the Comoros Islands

September 7, 2012 - 06:59 -- Kabogo Ndegwa
Author(s): 
Bauffe F, Desplans J, Fraisier C, Parzy D
Reference: 
Malaria Journal 2012, 11:307 (4 September 2012)

MalariaWorldThis work confirms the presence of the two species in the same country for the first time, in the Ivory Coast and the Comoros Islands.

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Cloning and heterologous expression of Plasmodium ovale dihydrofolate reductase-thymidylate synthase gene

March 5, 2012 - 12:56 -- Patrick Sampao
Author(s): 
Srisuda Tirakarn, Pinpunya Riangrungroj, Palangpon Kongsaeree, Mallika Imwong, Yongyuth Yuthavong, Ubolsree Leartsakulpanich
Reference: 
Parasitology International, Volume 61, Issue 2, June 2012, Pages 324-332

MalariaWorldIn this study, expression of the putative dhfr-ts of Plasmodium ovale rescued the DHFR chemical knockout and a TS null bacterial strain, demonstrating its DHFR and TS catalytic functions.

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Open Access | Variant Plasmodium ovale isolated from a patient infected in Ghana

January 25, 2011 - 06:57 -- Kabogo Ndegwa
Author(s): 
Tordrup D, Virenfeldt J, Andersen FF, Petersen E
Reference: 
Malaria Journal 2011, 10:15 (22 January 2011)

Recent data have found that Plasmodium ovale can be separated in two distinct species: classic and variant P. ovale based on multilocus typing of different genes.

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Open Access | The challenge of diagnosing Plasmodium ovale malaria in travellers: report of six clustered cases in French soldiers returning from West Africa

December 16, 2010 - 07:41 -- Kabogo Ndegwa
Author(s): 
de Laval F, Oliver M, Rapp C, Pommier de Santi V, Mendibil A, Deparis X, Simon F
Reference: 
Malaria Journal 2010, 9:358 (10 December 2010)

Plasmodium ovale malaria is currently a problem to diagnose in travellers, notably in French soldiers returning from the Ivory Coast.

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Open Access | A TaqMan real-time PCR assay for the detection and quantitation of Plasmodium knowlesi

December 2, 2010 - 06:53 -- Kabogo Ndegwa
Author(s): 
Divis PC, Shokoples SE, Singh B, Yanow SK
Reference: 
Malaria Journal 2010, 9:344 (30 November 2010)

This test demonstrated excellent sensitivity and specificity, and adds P. knowlesi to the repertoire of Plasmodium targets for the clinical diagnosis of malaria by real-time PCR assays.

Open Access | Review: What is the evidence for the existence of Plasmodium ovale hypnozoites?

November 19, 2010 - 11:13 -- Kabogo Ndegwa
Author(s): 
Joachim Richter, Gabriele Franken, Heinz Mehlhorn, Alfons Labisch and Dieter Häussinger
Reference: 
Parasitology Research, 2010, Volume 107, Number 6, Pages 1285-1290

Relapsing human malaria is regarded to be caused by Plasmodium vivax and Plasmodium ovale. P. vivax relapses originate from dormant liver stages: “hypnozoites”. Also, P. ovale, a species considered as closely related to P. vivax, is in analogy assumed to display hypnozoites.

Open Access | Invited Speaker Presentation: Plasmodium ovale sp. and Plasmodium malariae in Africa: difficult items of business on the malaria eradication agenda

November 3, 2010 - 13:47 -- Patrick Sampao
Author(s): 
Colin J Sutherland, Mary C Oguike, Valerie Smith, Martha Betson, Teun Bousema, Peter L Chiodini
Reference: 
Malaria Journal 2010, 9(Suppl 2):I10 (20 October 2010)

We present some recent data from surveys in several African localities as well as analyses of Malaria Reference Laboratory data for patterns of presentation of these parasite species among imported malaria cases in the UK, and consider the possibility that a substantial hidden burden of infection exists.

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Open Access | Splenic infarction during Plasmodium ovale acute malaria: first case reported

October 22, 2010 - 09:15 -- Kabogo Ndegwa
Author(s): 
Cinquetti G, Banal F, Rondel C, Plancade D, de Saint Roman C, Adriamanantena D, Ragot C, Vedy S, Graffin B
Reference: 
Malaria Journal 2010, 9:288 (18 October 2010)

The splenic complications of acute malaria include two different prognostic and treatment entities: splenic infarction and splenic rupture.

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Open Access | Plasmodium ovale infection in Malaysia: first imported case

October 13, 2010 - 09:33 -- Kabogo Ndegwa
Author(s): 
Lim YA, Mahmud R, Chew C, T T, Chua K
Reference: 
Malaria Journal 2010, 9:272 (8 October 2010)

The current finding should serve as an alert to epidemiologists, clinicians and laboratory technicians in the possibility of finding P. ovale in Malaysia.

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Isolation and Characterization of the MSP1 Genes from Plasmodium malariae and Plasmodium ovale

June 9, 2010 - 08:03 -- Kabogo Ndegwa
Author(s): 
L Birkenmeyer, AS Muerhoff, GJ Dawson, SM Desai
Reference: 
Am. J. Trop. Med. Hyg., 82(6), 2010, pp. 996-1003

The merozoite surface protein 1 (MSP1) is the principal surface antigen of the blood stage form of the Plasmodium parasite. Antibodies recognizing MSP1 are frequently detected following Plasmodium infection, making this protein a significant component of malaria vaccines and diagnostic tests.

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