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Coonahan E, Gage H, Chen D, Noormahomed EV, Buene TP, Mendes de Sousa I, Akrami K, Chambal L, Schooley RT, Winzeler EA, Cowell AN. Whole-genome surveillance identifies markers of Plasmodium falciparum drug resistance and novel genomic regions under selection in Mozambique. mBio 2023; 14:e0176823. [PMID: 37750720 PMCID: PMC10653802 DOI: 10.1128/mbio.01768-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 08/02/2023] [Indexed: 09/27/2023] Open
Abstract
IMPORTANCE Malaria is a devastating disease caused by Plasmodium parasites. The evolution of parasite drug resistance continues to hamper progress toward malaria elimination, and despite extensive efforts to control malaria, it remains a leading cause of death in Mozambique and other countries in the region. The development of successful vaccines and identification of molecular markers to track drug efficacy are essential for managing the disease burden. We present an analysis of the parasite genome in Mozambique, a country with one of the highest malaria burdens globally and limited available genomic data, revealing current selection pressure. We contribute additional evidence to limited prior studies supporting the effectiveness of SWGA in producing reliable genomic data from complex clinical samples. Our results provide the identity of genomic loci that may be associated with current antimalarial drug use, including artemisinin and lumefantrine, and reveal selection pressure predicted to compromise the efficacy of current vaccine candidates.
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Affiliation(s)
- Erin Coonahan
- School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Hunter Gage
- School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Daisy Chen
- Department of Pediatrics, University of California San Diego (UCSD), La Jolla, California, USA
| | - Emilia Virginia Noormahomed
- School of Medicine, University of California San Diego, La Jolla, California, USA
- Department of Microbiology, Parasitology Laboratory, Faculty of Medicine, Eduardo Mondlane University, Maputo, Mozambique
- Mozambique Institute of Health Education and Research (MIHER), Maputo, Mozambique
| | - Titos Paulo Buene
- Department of Microbiology, Parasitology Laboratory, Faculty of Medicine, Eduardo Mondlane University, Maputo, Mozambique
- Mozambique Institute of Health Education and Research (MIHER), Maputo, Mozambique
| | - Irina Mendes de Sousa
- Mozambique Institute of Health Education and Research (MIHER), Maputo, Mozambique
- Biological Sciences Department, Faculty of Sciences, Eduardo Mondlane University, Maputo, Mozambique
| | - Kevan Akrami
- School of Medicine, University of California San Diego, La Jolla, California, USA
- Faculdade de Medicina da Bahia, Universidade Federal da Bahia, Salvador, Brazil
| | - Lucia Chambal
- Mozambique Institute of Health Education and Research (MIHER), Maputo, Mozambique
- Department of Internal Medicine, Faculty of Medicine, Eduardo Mondlane University, Maputo, Mozambique
- Maputo Central Hospital, Maputo, Mozambique
| | - Robert T. Schooley
- School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Elizabeth A. Winzeler
- Department of Pediatrics, University of California San Diego (UCSD), La Jolla, California, USA
| | - Annie N. Cowell
- School of Medicine, University of California San Diego, La Jolla, California, USA
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da Silva C, Boene S, Datta D, Rovira-Vallbona E, Aranda-Díaz A, Cisteró P, Hathaway N, Tessema S, Chidimatembue A, Matambisso G, Nhama A, Macete E, Pujol A, Nhamussua L, Galatas B, Guinovart C, Enosse S, De Carvalho E, Rogier E, Plucinski MM, Colborn J, Zulliger R, Saifodine A, Alonso PL, Candrinho B, Greenhouse B, Aide P, Saute F, Mayor A. Targeted and whole-genome sequencing reveal a north-south divide in P. falciparum drug resistance markers and genetic structure in Mozambique. Commun Biol 2023; 6:619. [PMID: 37291425 PMCID: PMC10250372 DOI: 10.1038/s42003-023-04997-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 05/30/2023] [Indexed: 06/10/2023] Open
Abstract
Mozambique is one of the four African countries which account for over half of all malaria deaths worldwide, yet little is known about the parasite genetic structure in that country. We performed P. falciparum amplicon and whole genome sequencing on 2251 malaria-infected blood samples collected in 2015 and 2018 in seven provinces of Mozambique to genotype antimalarial resistance markers and interrogate parasite population structure using genome-wide microhaplotyes. Here we show that the only resistance-associated markers observed at frequencies above 5% were pfmdr1-184F (59%), pfdhfr-51I/59 R/108 N (99%) and pfdhps-437G/540E (89%). The frequency of pfdhfr/pfdhps quintuple mutants associated with sulfadoxine-pyrimethamine resistance increased from 80% in 2015 to 89% in 2018 (p < 0.001), with a lower expected heterozygosity and higher relatedness of microhaplotypes surrounding pfdhps mutants than wild-type parasites suggestive of recent selection. pfdhfr/pfdhps quintuple mutants also increased from 72% in the north to 95% in the south (2018; p < 0.001). This resistance gradient was accompanied by a concentration of mutations at pfdhps-436 (17%) in the north, a south-to-north increase in the genetic complexity of P. falciparum infections (p = 0.001) and a microhaplotype signature of regional differentiation. The parasite population structure identified here offers insights to guide antimalarial interventions and epidemiological surveys.
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Affiliation(s)
- Clemente da Silva
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
| | - Simone Boene
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
| | - Debayan Datta
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
| | | | - Andrés Aranda-Díaz
- EPPIcenter Research Program, Division of HIV, ID, and Global Medicine, Department of Medicine, University of California, San Francisco, CA, USA
- Chan Zuckerberg Biohub, San Francisco, CA, USA
| | - Pau Cisteró
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
| | | | - Sofonias Tessema
- EPPIcenter Research Program, Division of HIV, ID, and Global Medicine, Department of Medicine, University of California, San Francisco, CA, USA
| | | | - Glória Matambisso
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
| | - Abel Nhama
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
- Instituto Nacional de Saúde (INS), Ministério da Saúde, Maputo, Mozambique
| | - Eusebio Macete
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
| | - Arnau Pujol
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
| | - Lidia Nhamussua
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
| | - Beatriz Galatas
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
| | | | - Sónia Enosse
- Instituto Nacional de Saúde (INS), Ministério da Saúde, Maputo, Mozambique
| | - Eva De Carvalho
- World Health Organization, WHO Country Office Maputo, Maputo, Mozambique
| | - Eric Rogier
- Malaria Branch, Division of Parasitic Diseases and Malaria, United States Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Mateusz M Plucinski
- United States President's Malaria Initiative, Malaria Branch, Division of Parasitic Diseases and Malaria, United States Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - James Colborn
- Clinton Health Access Initiative, Maputo, Mozambique
| | - Rose Zulliger
- U.S. President's Malaria Initiative, USAID, Washington, DC, USA
| | | | - Pedro L Alonso
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
- Hospital Clinic-Universitat de Barcelona, Barcelona, Spain
| | - Baltazar Candrinho
- National Malaria Control Programme, Ministry of Health, Maputo, Mozambique
| | - Bryan Greenhouse
- EPPIcenter Research Program, Division of HIV, ID, and Global Medicine, Department of Medicine, University of California, San Francisco, CA, USA
| | - Pedro Aide
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
- Instituto Nacional de Saúde (INS), Ministério da Saúde, Maputo, Mozambique
| | - Francisco Saute
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
| | - Alfredo Mayor
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique.
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain.
- Spanish Consortium for Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain.
- Department of Physiologic Sciences, Faculty of Medicine, Universidade Eduardo Mondlane, Maputo, Mozambique.
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da Silva C, Matias D, Dias B, Cancio B, Silva M, Viegas R, Chivale N, Luis S, Salvador C, Duarte D, Arnaldo P, Enosse S, Nogueira F. Anti-malarial resistance in Mozambique: Absence of Plasmodium falciparum Kelch 13 (K13) propeller domain polymorphisms associated with resistance to artemisinins. Malar J 2023; 22:160. [PMID: 37208708 DOI: 10.1186/s12936-023-04589-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 05/15/2023] [Indexed: 05/21/2023] Open
Abstract
BACKGROUND Malaria remains one of the most serious public health problems in sub-Saharan Africa and Mozambique is the world's fourth largest contributor, with 4.7% of disease cases and 3.6% of total deaths due to malaria. Its control relies on the fight against the vector and treatment of confirmed cases with anti-malarial drugs. Molecular surveillance is an important tool for monitoring the spread of anti-malarial drug resistance. METHODS A cross-sectional study recruited 450 participants with malaria infection detected by Rapid Diagnostic Tests, from three different study sites (Niassa, Manica and Maputo) between April and August 2021. Correspondent blood samples were collected on filter paper (Whatman® FTA® cards), parasite DNA extracted and pfk13 gene sequenced using Sanger method. SIFT software (Sorting Intolerant From Tolerant) was used, predict whether an amino acid substitution affects protein function. RESULTS No pfkelch13-mediated artemisinin resistance gene mutation was detected in this study settings. However, non-synonymous mutations were detected at prevalence of 10.2%, 6% and 5% in Niassa, Manica and Maputo, respectively. Most (56.3%) of the reported non-synonymous mutations were due to substitution at the first base of the codon, 25% at the second base and 18.8% at the third base. Additionally, 50% of non-synonymous mutations showed a SIFTscore bellow cut off value of 0.05, therefore, they were predicted to be deleterious. CONCLUSION These results do not show an emergence of artemisinin resistance cases in Mozambique. However, the increased number of novel non-synonymous mutations highlights the relevance of increasing the number of studies focused on the molecular surveillance of artemisinin resistance markers, for its early detection.
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Affiliation(s)
- Clemente da Silva
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal.
| | - Daniela Matias
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal
| | - Brigite Dias
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal
| | - Beatriz Cancio
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal
| | - Miguel Silva
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal
| | - Ruben Viegas
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal
| | - Nordino Chivale
- Instituto Nacional de Saúde (INS), Av. Eduardo Mondlane Nº 1008, Caixa Postal 264, Maputo, Mozambique
| | - Sonia Luis
- Hospital Provincial de Matola, 2CPV+55, Matola, Mozambique
| | - Crizolgo Salvador
- Instituto Nacional de Saúde (INS), Av. Eduardo Mondlane Nº 1008, Caixa Postal 264, Maputo, Mozambique
| | - Denise Duarte
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal
| | - Paulo Arnaldo
- Instituto Nacional de Saúde (INS), Av. Eduardo Mondlane Nº 1008, Caixa Postal 264, Maputo, Mozambique
| | - Sonia Enosse
- Malaria Consortium, Av. Lucas Elias Kumato, Nº 118. Bairro da Sommershield, Maputo, Mozambique
| | - Fatima Nogueira
- Global Health and Tropical Medicine (GHTM), Department of Medical Parasitology, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira Nº100, 1349-008, Lisbon, Portugal
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Yoshinaga M, Niu G, Yoshinaga-Sakurai K, Nadar VS, Wang X, Rosen BP, Li J. Arsinothricin Inhibits Plasmodium falciparum Proliferation in Blood and Blocks Parasite Transmission to Mosquitoes. Microorganisms 2023; 11:1195. [PMID: 37317169 PMCID: PMC10222646 DOI: 10.3390/microorganisms11051195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 06/16/2023] Open
Abstract
Malaria, caused by Plasmodium protozoal parasites, remains a leading cause of morbidity and mortality. The Plasmodium parasite has a complex life cycle, with asexual and sexual forms in humans and Anopheles mosquitoes. Most antimalarials target only the symptomatic asexual blood stage. However, to ensure malaria eradication, new drugs with efficacy at multiple stages of the life cycle are necessary. We previously demonstrated that arsinothricin (AST), a newly discovered organoarsenical natural product, is a potent broad-spectrum antibiotic that inhibits the growth of various prokaryotic pathogens. Here, we report that AST is an effective multi-stage antimalarial. AST is a nonproteinogenic amino acid analog of glutamate that inhibits prokaryotic glutamine synthetase (GS). Phylogenetic analysis shows that Plasmodium GS, which is expressed throughout all stages of the parasite life cycle, is more closely related to prokaryotic GS than eukaryotic GS. AST potently inhibits Plasmodium GS, while it is less effective on human GS. Notably, AST effectively inhibits both Plasmodium erythrocytic proliferation and parasite transmission to mosquitoes. In contrast, AST is relatively nontoxic to a number of human cell lines, suggesting that AST is selective against malaria pathogens, with little negative effect on the human host. We propose that AST is a promising lead compound for developing a new class of multi-stage antimalarials.
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Affiliation(s)
- Masafumi Yoshinaga
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA
| | - Guodong Niu
- Department of Biological Sciences, College of Arts, Sciences & Education, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA
| | - Kunie Yoshinaga-Sakurai
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA
| | - Venkadesh S. Nadar
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA
| | - Xiaohong Wang
- Department of Biological Sciences, College of Arts, Sciences & Education, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA
| | - Barry P. Rosen
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA
| | - Jun Li
- Department of Biological Sciences, College of Arts, Sciences & Education, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA
- Biomolecular Sciences Institute, Florida International University, Miami, FL 33199, USA
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Hassen J, Alemayehu GS, Dinka H, Golassa L. High prevalence of Pfcrt 76T and Pfmdr1 N86 genotypes in malaria infected patients attending health facilities in East Shewa zone, Oromia Regional State, Ethiopia. Malar J 2022; 21:286. [PMID: 36207750 PMCID: PMC9547420 DOI: 10.1186/s12936-022-04304-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 09/27/2022] [Indexed: 12/02/2022] Open
Abstract
Background Plasmodium falciparum resistance to series of anti-malarial drugs is a major challenge in efforts to control and/or eliminate malaria globally. In 1998, following the widespread of chloroquine (CQ) resistant P. falciparum, Ethiopia switched from CQ to sulfadoxine–pyrimethamine (SP) and subsequently in 2004 from SP to artemether–lumefantrine (AL) for the treatment of uncomplicated falciparum malaria. Data on the prevalence of CQ resistance markers after more than two decades of its removal is important to map the selection pressure behind the targets codons of interest. The present study was conducted to determine the prevalence of mutations in Pfcrt K76T and Pfmdr1 N86Y codons among malaria-infected patients from Adama, Olenchiti and Metehara sites of East Shewa zone, Oromia Regional State, Ethiopia. Methods Finger-prick whole blood samples were collected on 3MM Whatman ® filter papers from a total of 121 microscopically confirmed P. falciparum infected patients. Extraction of parasite DNA was done by Chelex-100 method from dried blood spot (DBS). Genomic DNA template was used to amplify Pfcrt K76T and Pfmdr1 N86Y codons by nested PCR. Nested PCR products were subjected to Artherobacter protophormiae-I (APoI) restriction enzyme digestion to determine mutations at codons 76 and 86 of Pfcrt and Pfmdr1 genes, respectively. Results Of 83 P. falciparum isolates successfully genotyped for Pfcrt K76T, 91.6% carried the mutant genotypes (76T). The prevalence of Pfcrt 76T was 95.7%, 92.5% and 84.5% in Adama, Metehara and Olenchiti, respectively. The prevalence of Pfcrt 76T mutations in three of the study sites showed no statistical significance difference (χ2 = 1.895; P = 0.388). On the other hand, of the 80 P. falciparum samples successfully amplified for Pfmdr1, all carried the wild-type genotypes (Pfmdr1 N86). Conclusion Although CQ officially has been ceased for the treatment of falciparum malaria for more than two decades in Ethiopia, greater proportions of P. falciparum clinical isolates circulating in the study areas carry the mutant 76T genotypes indicating the presence of indirect CQ pressure in the country. However, the return of Pfmdr1 N86 wild-type allele may be favoured by the use of AL for the treatment of uncomplicated falciparum malaria. Supplementary Information The online version contains supplementary material available at 10.1186/s12936-022-04304-5.
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Affiliation(s)
- Jifar Hassen
- Department of Applied Biology, School of Applied Natural Science, Adama Science and Technology University, P. O. Box 1888, Adama, Ethiopia.
| | - Gezahegn Solomon Alemayehu
- Research and Community Service Center, College of Health Science, Defense University, P. O. Box 1419, Bishoftu, Ethiopia
| | - Hunduma Dinka
- Department of Applied Biology, School of Applied Natural Science, Adama Science and Technology University, P. O. Box 1888, Adama, Ethiopia
| | - Lemu Golassa
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia
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Mayor A, da Silva C, Rovira-Vallbona E, Roca-Feltrer A, Bonnington C, Wharton-Smith A, Greenhouse B, Bever C, Chidimatembue A, Guinovart C, Proctor JL, Rodrigues M, Canana N, Arnaldo P, Boene S, Aide P, Enosse S, Saute F, Candrinho B. Prospective surveillance study to detect antimalarial drug resistance, gene deletions of diagnostic relevance and genetic diversity of Plasmodium falciparum in Mozambique: protocol. BMJ Open 2022; 12:e063456. [PMID: 35820756 PMCID: PMC9274532 DOI: 10.1136/bmjopen-2022-063456] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION Genomic data constitute a valuable adjunct to routine surveillance that can guide programmatic decisions to reduce the burden of infectious diseases. However, genomic capacities remain low in Africa. This study aims to operationalise a functional malaria molecular surveillance system in Mozambique for guiding malaria control and elimination. METHODS AND ANALYSES This prospective surveillance study seeks to generate Plasmodium falciparum genetic data to (1) monitor molecular markers of drug resistance and deletions in rapid diagnostic test targets; (2) characterise transmission sources in low transmission settings and (3) quantify transmission levels and the effectiveness of antimalarial interventions. The study will take place across 19 districts in nine provinces (Maputo city, Maputo, Gaza, Inhambane, Niassa, Manica, Nampula, Zambézia and Sofala) which span a range of transmission strata, geographies and malaria intervention types. Dried blood spot samples and rapid diagnostic tests will be collected across the study districts in 2022 and 2023 through a combination of dense (all malaria clinical cases) and targeted (a selection of malaria clinical cases) sampling. Pregnant women attending their first antenatal care visit will also be included to assess their value for molecular surveillance. We will use a multiplex amplicon-based next-generation sequencing approach targeting informative single nucleotide polymorphisms, gene deletions and microhaplotypes. Genetic data will be incorporated into epidemiological and transmission models to identify the most informative relationship between genetic features, sources of malaria transmission and programmatic effectiveness of new malaria interventions. Strategic genomic information will be ultimately integrated into the national malaria information and surveillance system to improve the use of the genetic information for programmatic decision-making. ETHICS AND DISSEMINATION The protocol was reviewed and approved by the institutional (CISM) and national ethics committees of Mozambique (Comité Nacional de Bioética para Saúde) and Spain (Hospital Clinic of Barcelona). Project results will be presented to all stakeholders and published in open-access journals. TRIAL REGISTRATION NUMBER NCT05306067.
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Affiliation(s)
- Alfredo Mayor
- Centro de Investigação em Saúde de Manhiça, Manhiça, Maputo, Mozambique
- Barcelona Institute for Global Health, Hospital Clínic-Universitat de Barcelona, Barcelona, Spain
- Spanish Consortium for Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Department of Physiologic Sciences, Faculty of Medicine, Universidade Eduardo Mondlane, Maputo, Mozambique
| | - Clemente da Silva
- Centro de Investigação em Saúde de Manhiça, Manhiça, Maputo, Mozambique
| | - Eduard Rovira-Vallbona
- Barcelona Institute for Global Health, Hospital Clínic-Universitat de Barcelona, Barcelona, Spain
| | | | | | | | - Bryan Greenhouse
- Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Caitlin Bever
- Bill & Melinda Gates Foundation, Seattle, Washington, USA
| | | | - Caterina Guinovart
- Barcelona Institute for Global Health, Hospital Clínic-Universitat de Barcelona, Barcelona, Spain
| | | | | | | | | | - Simone Boene
- Centro de Investigação em Saúde de Manhiça, Manhiça, Maputo, Mozambique
| | - Pedro Aide
- Centro de Investigação em Saúde de Manhiça, Manhiça, Maputo, Mozambique
- Instituto Nacional de Saúde, Maputo, Mozambique
| | | | - Francisco Saute
- Centro de Investigação em Saúde de Manhiça, Manhiça, Maputo, Mozambique
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