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R. Tahar · SciRah

Researcher profile · Semantic Scholar

R. Tahar

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R. Tahar — researcher profile on SciRah

h-index: 26
Works: 81
Citations: 2,427

Most-cited papers

A Worldwide Map of Plasmodium falciparum K13-Propeller Polymorphisms
D. Ménard, Nimol Khim, J. Beghain, A. Adegnika +85 more
2016New England Journal of Medicine534 citations Open access
Semantic Scholar
Molecular epidemiology of malaria in Cameroon. XXVII. Clinical and parasitological response to sulfadoxine-pyrimethamine treatment and Plasmodium falciparum dihydrofolate reductase and dihydropteroate synthase alleles in Cameroonian children.
R. Tahar, L. Basco
2007Acta Tropica151 citations
Semantic Scholar
Sequence variations in the Plasmodium vivax dihydrofolate reductase-thymidylate synthase gene and their relationship with pyrimethamine resistance.
P. E. de Pecoulas, R. Tahar, Taoufik Ouatas, André Mazabraud +1 more
1998Molecular and biochemical parasitology (Print)121 citations
Semantic Scholar
Immune response of Anopheles gambiae to the early sporogonic stages of the human malaria parasite Plasmodium falciparum
R. Tahar, C. Boudin, I. Thiéry, C. Bourgouin
2002EMBO Journal103 citations Open access
Semantic Scholar
Carboxypeptidases B of Anopheles gambiae as Targets for a Plasmodium falciparum Transmission-Blocking Vaccine
C. Lavazec, C. Boudin, R. Lacroix, S. Bonnet +5 more
2007Infection and Immunity93 citations Open access
Semantic Scholar
Molecular Basis of In Vivo Resistance to Sulfadoxine-Pyrimethamine in African Adult Patients Infected withPlasmodium falciparum Malaria Parasites
L. Basco, R. Tahar, P. Ringwald
1998Antimicrobial Agents and Chemotherapy90 citations Open access
Semantic Scholar
Parasites Causing Cerebral Falciparum Malaria Bind Multiple Endothelial Receptors and Express EPCR and ICAM-1-Binding PfEMP1
N. T. Tuikue Ndam, A. Moussiliou, T. Lavstsen, C. Kamaliddin +9 more
2017Journal of Infectious Diseases83 citations
Semantic Scholar
Sequence variations in the genes encoding dihydropteroate synthase and dihydrofolate reductase and clinical response to sulfadoxine-pyrimethamine in patients with acute uncomplicated falciparum malaria.
Leonardo K. Basco, R. Tahar, Annick Keundjian, P. Ringwald
2000Journal of Infectious Diseases79 citations Open access
Semantic Scholar
Hitchhiking and Selective Sweeps of Plasmodium falciparum Sulfadoxine and Pyrimethamine Resistance Alleles in a Population from Central Africa
A. McCollum, L. Basco, R. Tahar, V. Udhayakumar +1 more
2008Antimicrobial Agents and Chemotherapy74 citations Open access
Semantic Scholar
Analysis of the Plasmodium vivax dihydrofolate reductase-thymidylate synthase gene sequence.
Philippe Eldin de Pécoulas, Leonardo K. Basco, R. Tahar, Taoufik Ouatas +1 more
1998Gene74 citations
Semantic Scholar
Efficacy of non-artemisinin- and artemisinin-based combination therapies for uncomplicated falciparum malaria in Cameroon
S. Whegang, R. Tahar, V. Foumane, G. Soula +3 more
2010Malaria Journal59 citations Open access
Semantic Scholar
Synthesis and antiplasmodial activity of new indolone N-oxide derivatives.
F. Nepveu, Sothea Kim, J. Boyer, Olivier Chatriant +19 more
2010Journal of Medicinal Chemistry51 citations Open access
Semantic Scholar
Molecular epidemiology of malaria in Cameroon. XVIII. Polymorphisms of the Plasmodium falciparum merozoite surface antigen-2 gene in isolates from symptomatic patients.
L. Basco, R. Tahar, A. Escalante
2004American Journal of Tropical Medicine and Hygiene49 citations Open access
Semantic Scholar
Comparison of anti-malarial drug efficacy in the treatment of uncomplicated malaria in African children and adults using network meta-analysis
Solange Whegang-Youdom, R. Tahar, L. Basco
2017Malaria Journal44 citations Open access
Semantic Scholar
Kinetic properties of dihydrofolate reductase from wild-type and mutant Plasmodium vivax expressed in Escherichia coli.
R. Tahar, P. E. de Pecoulas, Leonardo K. Basco, Mohammed Chiadmi +1 more
2001Molecular and biochemical parasitology (Print)44 citations
Semantic Scholar
Therapeutic efficacy of sulfadoxine–pyrimethamine and the prevalence of molecular markers of resistance in under 5‐year olds in Brazzaville, Congo
M. Ndounga, R. Tahar, L. Basco, P. Casimiro +2 more
2007Tropical medicine & international health40 citations Open access
Semantic Scholar
Molecular monitoring of plasmodium falciparum drug susceptibility at the time of the introduction of artemisinin-based combination therapy in Yaoundé, Cameroon: Implications for the future
S. Ménard, I. Morlais, R. Tahar, Collins Sayang +8 more
2012Malaria Journal39 citations Open access
Semantic Scholar
Reemergence of chloroquine-sensitive pfcrt K76 Plasmodium falciparum genotype in southeastern Cameroon
N. Ndam, L. Basco, Vincent Foumane Ngane, A. Ayouba +4 more
2017Malaria Journal36 citations Open access
Semantic Scholar
Molecular epidemiology of malaria in Cameroon. XXVIII. In vitro activity of dihydroartemisinin against clinical isolates of Plasmodium falciparum and sequence analysis of the P. falciparum ATPase 6 gene.
R. Tahar, P. Ringwald, L. Basco
2009American Journal of Tropical Medicine and Hygiene36 citations
Semantic Scholar
High-level artemisinin-resistance with quinine co-resistance emerges in P. falciparum malaria under in vivo artesunate pressure
R. Tyagi, P. Gleeson, L. Arnold, R. Tahar +5 more
2018BMC Medicine35 citations Open access
Semantic Scholar
Differences in Gene Transcriptomic Pattern of Plasmodium falciparum in Children with Cerebral Malaria and Asymptomatic Carriers
Talleh Almelli, G. Nuel, E. Bischoff, A. Aubouy +10 more
2014PLoS ONE35 citations Open access
Semantic Scholar
Field evaluation of rapid diagnostic tests for malaria in Yaounde, Cameroon.
R. Tahar, Collins Sayang, Vincent Ngane Foumane, G. Soula +3 more
2013Acta Tropica28 citations
Semantic Scholar
Use of a histidine-rich protein 2-based rapid diagnostic test for malaria by health personnel during routine consultation of febrile outpatients in a peripheral health facility in Yaounde, Cameroon.
Collins Sayang, G. Soula, R. Tahar, L. Basco +3 more
2009American Journal of Tropical Medicine and Hygiene28 citations Open access
Semantic Scholar
Molecular epidemiology of malaria in Cameroon. XXII. Geographic mapping and distribution of Plasmodium falciparum dihydrofolate reductase (dhfr) mutant alleles.
R. Tahar, L. Basco
2006American Journal of Tropical Medicine and Hygiene28 citations
Semantic Scholar
Genetic diversity of VAR2CSA ID1-DBL2Xb in worldwide Plasmodium falciparum populations: impact on vaccine design for placental malaria.
Bita Bordbar, N. T. Tuikue Ndam, E. Renard, S. Jafari-Guemouri +10 more
2014Infection, Genetics and Evolution26 citations Open access
Semantic Scholar
Genetic variation of the dihydrofolate reductase gene in Plasmodium vivax in Snoul, northeastern Cambodia.
P. E. de Pecoulas, R. Tahar, P. Yi, K. Thai +1 more
2004Acta Tropica26 citations
Semantic Scholar
The adjustment of the schizogonic cycle of Plasmodium chabaudi chabaudi in the blood to the circadian rhythm of the host.
Philippe Gautret, Eric Deharo, R. Tahar, A. Chabaud +1 more
1995Parasite25 citations Open access
Semantic Scholar
Randomized trial of artesunate-amodiaquine, atovaquone-proguanil, and artesunate-atovaquone-proguanil for the treatment of uncomplicated falciparum malaria in children.
R. Tahar, Talleh Almelli, Camille Debue, Vincent Foumane Ngane +3 more
2014Journal of Infectious Diseases24 citations Open access
Semantic Scholar
Heterogeneity in the circumsporozoite protein gene of Plasmodium malariae isolates from sub-Saharan Africa.
R. Tahar, P. Ringwald, Leonardo K. Basco
1998Molecular and biochemical parasitology (Print)24 citations
Semantic Scholar
Molecular Epidemiology of Malaria in Cameroon and Côte d'Ivoire. XXXI. Kelch 13 Propeller Sequences in Plasmodium falciparum Isolates before and after Implementation of Artemisinin-Based Combination Therapy.
J. Djaman, Dagnogo Oléfongo, A. B. Ako, Jocelyne Roman +3 more
2017American Journal of Tropical Medicine and Hygiene23 citations Open access
Semantic Scholar
Plasma levels of eight different mediators and their potential as biomarkers of various clinical malaria conditions in African children
R. Tahar, Catarina Albergaria, Neil Zeghidour, Vincent Foumane Ngane +2 more
2016Malaria Journal23 citations Open access
Semantic Scholar
High plasma levels of soluble endothelial protein C receptor are associated with increased mortality among children with cerebral malaria in Benin.
A. Moussiliou, M. J. Alao, L. Denoeud-Ndam, R. Tahar +6 more
2015Journal of Infectious Diseases22 citations
Semantic Scholar
Cytoadherence phenotype of Plasmodium falciparum-infected erythrocytes is associated with specific pfemp-1 expression in parasites from children with cerebral malaria
Talleh Almelli, N. Ndam, Sem Ezimegnon, M. J. Alao +5 more
2014Malaria Journal20 citations Open access
Semantic Scholar
Indolone-N-oxide derivatives: in vitro activity against fresh clinical isolates of Plasmodium falciparum, stage specificity and in vitro interactions with established antimalarial drugs.
R. Tahar, L. Vivas, L. Basco, Eloise Thompson +3 more
2011Journal of Antimicrobial Chemotherapy20 citations
Semantic Scholar
Efficacy of sulfadoxine-pyrimethamine, amodiaquine, and sulfadoxine-pyrimethamine-amodiaquine combination for the treatment of uncomplicated falciparum malaria in the urban and suburban areas of Brazzaville (Congo).
M. Ndounga, P. I. Mayengue, R. Tahar, P. Casimiro +8 more
2007Acta Tropica20 citations
Semantic Scholar
Diagnosis of Plasmodium malariae infection by the polymerase chain reaction.
R. Tahar, P. Ringwald, Leonardo K. Basco
1997Transactions of the Royal Society of Tropical Medicine and Hygiene19 citations
Semantic Scholar
Detection of Plasmodium ovale malaria parasites by species-specific 18S rRNA gene amplification.
R. Tahar, Leonardo K. Basco
1997Molecular and Cellular Probes17 citations
Semantic Scholar
Molecular epidemiology of drug-resistant Plasmodium falciparum in Benguela province, Angola
Vincent Foumane Ngane, Joseph Allico Djaman, Cécile Culeux, Nathalie Piette +5 more
2015Malaria Journal15 citations Open access
Semantic Scholar
Evolution of the levels of human leukocyte antigen G (HLA-G) in Beninese infant during the first year of life in a malaria endemic area: using latent class analysis
T. d’Almeida, I. Sadissou, G. Cottrell, R. Tahar +8 more
2016Malaria Journal14 citations Open access
Semantic Scholar
Population-based sero-epidemiological investigation of the dynamics of SARS-CoV-2 infections in the Greater Accra Region of Ghana
B. Mensah, I. Ndong, P. Quashie, E. Guichet +15 more
2022Scientific Reports13 citations Open access
Semantic Scholar
Oasis Malaria, Northern Mauritania
J. Deida, R. Tahar, Y. Khalef, Khadijetou Mint +8 more
202011 citations
Semantic Scholar
Effect of Drug Pressure on Promoting the Emergence of Antimalarial-Resistant Parasites among Pregnant Women in Ghana
Bernard Tornyigah, R. Coppée, P. Houzé, K. Kusi +10 more
2020Antimicrobial Agents and Chemotherapy11 citations Open access
Semantic Scholar
Molecular epidemiology of malaria in Cameroon. XXVI. Twelve-year in vitro and molecular surveillance of pyrimethamine resistance and experimental studies to modulate pyrimethamine resistance.
R. Tahar, L. Basco
2007American Journal of Tropical Medicine and Hygiene11 citations
Semantic Scholar
Assessment of glucose-6-phosphate dehydrogenase activity using CareStart G6PD rapid diagnostic test and associated genetic variants in Plasmodium vivax malaria endemic setting in Mauritania
Oum kelthoum Mamadou Djigo, M. A. Bollahi, Moina Hasni Ebou, Mohamed Salem Ould Ahmedou Salem +4 more
2019PLoS ONE10 citations Open access
Semantic Scholar
Assessment of drug resistance associated genetic diversity in Mauritanian isolates of Plasmodium vivax reveals limited polymorphism
Jemila Mint Deida, Yacoub Ould Khalef, Emal Mint Semane, Mohamed Salem Ould Ahmedou Salem +4 more
2018Malaria Journal9 citations Open access
Semantic Scholar
Molecular epidemiology of malaria in Cameroon. XXX. sequence analysis of Plasmodium falciparum ATPase 6, dihydrofolate reductase, and dihydropteroate synthase resistance markers in clinical isolates from children treated with an artesunate-sulfadoxine-pyrimethamine combination.
Virginie Menemedengue, Khalifa Sahnouni, L. Basco, R. Tahar
2011American Journal of Tropical Medicine and Hygiene9 citations Open access
Semantic Scholar
ICAM-1-binding Plasmodium falciparum erythrocyte membrane protein 1 variants elicits opsonic-phagocytosis IgG responses in Beninese children
J. Suurbaar, A. Moussiliou, R. Tahar, Rebecca W. Olsen +10 more
2022Scientific Reports8 citations Open access
Semantic Scholar
IgG acquisition against PfEMP1 PF11_0521 domain cassette DC13, DBLβ3_D4 domain, and peptides located within these constructs in children with cerebral malaria
Cyril Badaut, Pimnitah Visitdesotrakul, Aurélie Chabry, P. Bigey +9 more
2021Scientific Reports8 citations Open access
Semantic Scholar
Clinical Efficacy of Artemether-Lumefantrine in Congolese Children with Acute Uncomplicated Falciparum Malaria in Brazzaville
M. Ndounga, R. Tahar, P. Casimiro, D. Loumouamou +1 more
2012Malaria Research and Treatment8 citations Open access
Semantic Scholar
Molecular epidemiology of malaria in Cameroon. XXV. In vitro activity of fosmidomycin and its derivatives against fresh clinical isolates of Plasmodium falciparum and sequence analysis of 1-deoxy-D-xylulose 5-phosphate reductoisomerase.
R. Tahar, L. Basco
2007American Journal of Tropical Medicine and Hygiene8 citations
Semantic Scholar

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L. Basco — researcher profile on SciRah
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Leonardo K. Basco×7
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Leonardo K. Basco — researcher profile on SciRah
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N. Ndam — researcher profile on SciRah

N. T. Tuikue Ndam×4

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