Publications by authors named "Cally Roper"

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A novel intron variant is associated with emerging pfdhps mutant haplotypes in West and Central African Plasmodium falciparum.
Emma Filtenborg Hocke, Helle Hansson, Ana Chopo-Pizarro, Adebanjo Jonathan Adegbola, Oluseye Bolaji, Cally Roper

Int J Parasitol Drugs Drug Resist· December 2025

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Parasite clearance and protection from Plasmodium falciparum infection (PCPI): a two-arm, parallel, double-blinded, placebo-controlled, randomised trial of presumptive sulfadoxine-pyrimethamine versus artesunate monotherapy among asymptomatic children 3-5 years of age in Zambia.
Rosario Martinez-Vega, Mike Chaponda, Andria Mousa, Jonathan Gwasupika, Enesia Banda Chaponda, Cally Roper

BMC Infect Dis· November 2025

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Impact of dhps mutations on sulfadoxine-pyrimethamine protective efficacy and implications for malaria chemoprevention.
Andria Mousa, Gina Cuomo-Dannenburg, Hayley A Thompson, David J Bell, Umberto D'Alessandro, Cally Roper

Nat Commun· May 2025

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Asymptomatic Plasmodium falciparum infections and determinants of carriage in a seasonal malaria chemoprevention setting in Northern Cameroon and south Senegal (Kedougou).
Innocent M Ali, Isaac A Manga, Akindeh M Nji, Valery P Tchuenkam, Peter Thelma Ngwa Neba, Cally Roper

Malar J· December 2024

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Parasite clearance and protection from Plasmodium falciparum infection (PCPI): a three-arm, parallel, double-blinded, placebo-controlled, randomised trial of presumptive sulfadoxine-pyrimethamine versus sulfadoxine-pyrimethamine plus amodiaquine versus artesunate monotherapy among asymptomatic children 3-5 years of age in Cameroon.
Rosario Martinez-Vega, Wilfred Fon Mbacham, Innocent Ali, Akindeh Nji, Andria Mousa, Cally Roper

BMC Infect Dis· September 2024

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Measuring protective efficacy and quantifying the impact of drug resistance: A novel malaria chemoprevention trial design and methodology.
Andria Mousa, Gina Cuomo-Dannenburg, Hayley A Thompson, R Matthew Chico, Khalid B Beshir, Cally Roper

PLoS Med· May 2024

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Identification of the PfK13 mutations R561H and P441L in the Democratic Republic of Congo.
Gauthier Mesia Kahunu, Sarah Wellmann Thomsen, Louise Wellmann Thomsen, Hypolite Muhindo Mavoko, Patrick Mitashi Mulopo, Cally Roper

Int J Infect Dis· February 2024

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A snapshot of the prevalence of dihydropteroate synthase-431V mutation and other sulfadoxine-pyrimethamine resistance markers in Plasmodium falciparum isolates in Nigeria.
Adebanjo J Adegbola, Omotade A Ijarotimi, Akaninyene E Ubom, Bukola A Adesoji, Olajide E Babalola, Cally Roper

Malar J· March 2023

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Identification of Single-Nucleotide Polymorphisms in the Mitochondrial Genome and Kelch 13 Gene of Plasmodium falciparum in Different Geographical Populations.
Tine Kliim Nydahl, Samuel Yao Ahorhorlu, Magatte Ndiaye, Manoj Kumar Das, Helle Hansson, Cally Roper

Am J Trop Med Hyg· July 2021

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Selective whole genome amplification of Plasmodium malariae DNA from clinical samples reveals insights into population structure.
Amy Ibrahim, Ernest Diez Benavente, Debbie Nolder, Stephane Proux, Matthew Higgins, Cally Roper

Sci Rep· July 2020

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A molecular barcode to inform the geographical origin and transmission dynamics of Plasmodium vivax malaria.
Ernest Diez Benavente, Monica Campos, Jody Phelan, Debbie Nolder, Jamille G Dombrowski, Cally Roper

PLoS Genet· February 2020

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Markers of sulfadoxine-pyrimethamine resistance in Eastern Democratic Republic of Congo; implications for malaria chemoprevention.
Marit van Lenthe, Renske van der Meulen, Maryvonne Lassovski, Adelaide Ouabo, Edwige Bakula, Cally Roper

Malar J· December 2019

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Deployment and utilization of next-generation sequencing of Plasmodium falciparum to guide anti-malarial drug policy decisions in sub-Saharan Africa: opportunities and challenges.
Deus S Ishengoma, Queen Saidi, Carol H Sibley, Cally Roper, Michael Alifrangis

Malar J· September 2019

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Effect of Plasmodium falciparum sulfadoxine-pyrimethamine resistance on the effectiveness of intermittent preventive therapy for malaria in pregnancy in Africa: a systematic review and meta-analysis.
Anna Maria van Eijk, David A Larsen, Kassoum Kayentao, Gibby Koshy, Douglas E C Slaughter, Cally Roper

Lancet Infect Dis· May 2019

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Molecular assays for antimalarial drug resistance surveillance: A target product profile.
Christian Nsanzabana, Frederic Ariey, Hans-Peter Beck, Xavier C Ding, Edwin Kamau, Cally Roper

PLoS One· March 2019

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Global genetic diversity of var2csa in Plasmodium falciparum with implications for malaria in pregnancy and vaccine development.
Ernest Diez Benavente, Damilola R Oresegun, Paola Florez de Sessions, Eloise M Walker, Cally Roper

Sci Rep· October 2018

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Emerging implications of policies on malaria treatment: genetic changes in the gene affecting susceptibility to artemether-lumefantrine and artesunate-amodiaquine in Africa.
Lucy C Okell, Lisa Malene Reiter, Lene Sandø Ebbe, Vito Baraka, Donal Bisanzio, Cally Roper

BMJ Glob Health· October 2018

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A reference genome and methylome for the Plasmodium knowlesi A1-H.1 line.
Ernest Diez Benavente, Paola Florez de Sessions, Robert W Moon, Munira Grainger, Anthony A Holder, Cally Roper

Int J Parasitol· March 2018

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Corrigendum to "Genetic diversity of next generation antimalarial targets: A baseline for drug resistance surveillance programmes" [Int. J. Parasitol. Drugs and Drug Resist. 7 (2017) 174-180].
Ana Rita Gomes, Matt Ravenhall, Ernest Diez Benavente, Arthur Talman, Colin Sutherland, Cally Roper

Int J Parasitol Drugs Drug Resist· December 2017

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Genomic variation in Plasmodium vivax malaria reveals regions under selective pressure.
Ernest Diez Benavente, Zoe Ward, Wilson Chan, Fady R Mohareb, Colin J Sutherland, Cally Roper

PLoS One· September 2017

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Analysis of nuclear and organellar genomes of Plasmodium knowlesi in humans reveals ancient population structure and recent recombination among host-specific subpopulations.
Ernest Diez Benavente, Paola Florez de Sessions, Robert W Moon, Anthony A Holder, Michael J Blackman, Cally Roper

PLoS Genet· September 2017

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Genetic diversity of next generation antimalarial targets: A baseline for drug resistance surveillance programmes.
Ana Rita Gomes, Matt Ravenhall, Ernest Diez Benavente, Arthur Talman, Colin Sutherland, Cally Roper

Int J Parasitol Drugs Drug Resist· August 2017

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Mapping sulphadoxine-pyrimethamine-resistant Plasmodium falciparum malaria in infected humans and in parasite populations in Africa.
Lucy C Okell, Jamie T Griffin, Cally Roper

Sci Rep· August 2017

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Travel and the emergence of high-level drug resistance in Plasmodium falciparum in southwest Uganda: results from a population-based study.
Caroline A Lynch, Richard Pearce, Hirva Pota, Connie Egwang, Thomas Egwang, Cally Roper

Malar J· April 2017

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Unexpected selections of Plasmodium falciparum polymorphisms in previously treatment-naïve areas after monthly presumptive administration of three different anti-malarial drugs in Liberia 1976-78.
Irina T Jovel, Anders Björkman, Cally Roper, Andreas Mårtensson, Johan Ursing

Malar J· March 2017

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