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Bouafou L, Makanga BK, Rahola N, Boddé M, Ngangué MF, Daron J, Berger A, Mouillaud T, Makunin A, Korlević P, Nwezeobi J, Kengne P, Paupy C, Lawniczak MKN, Ayala D. Host preference patterns in domestic and wild settings: Insights into Anopheles feeding behavior. Evol Appl 2024; 17:e13693. [PMID: 38828055 PMCID: PMC11143308 DOI: 10.1111/eva.13693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 06/05/2024] Open
Abstract
The adaptation of Anopheles malaria vectors to domestic settings is directly linked to their ability to feed on humans. The strength of this species-habitat association is unequal across the species within the genus, with the major vectors being particularly dependent on humans. However, our understanding of how blood-feeding behavior interacts with and adapts to environmental settings, including the presence of humans, remains limited. Using a field-based approach, we first investigated Anopheles community structure and feeding behavior patterns in domestic and sylvatic settings in La Lopé National Park in Gabon, Central Africa. We characterized the preference indices using a dual-host choice sampling approach across mosquito species, habitats, and seasons. We then quantified the plastic biting behavior of mosquito species in each habitat. We collected individuals from 16 Anopheles species that exhibited significant differences in species composition and abundance between sylvatic and domestic settings. The host-seeking behavior also varied among the seven most abundant species. The general attractiveness to each host, human or animal, remained relatively constant for each species, but with significant variations between habitats across species. These variations, to more generalist and to more anthropophilic behavior, were related to seasonal changes and distance from the village, respectively. Finally, we pointed out that the host choice of major malaria vectors changed in the absence of humans, revealing a plastic feeding behavior of these species. This study highlights the effect of humans on Anopheles distribution and feeding evolution. The characterization of feeding behavior in wild and domestic settings provides opportunities to better understand the interplay between genetic determinants of host preference and ecological factors. Our findings suggest that protected areas may offer alternative thriving conditions to major malaria vectors.
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Affiliation(s)
- Lemonde Bouafou
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
- CIRMFFrancevilleGabon
| | | | - Nil Rahola
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
| | | | | | - Josquin Daron
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
| | - Audric Berger
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
| | - Theo Mouillaud
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
| | | | | | | | - Pierre Kengne
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
- CIRMFFrancevilleGabon
| | - Christophe Paupy
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
| | | | - Diego Ayala
- UMR MIVEGEC, University of Montpellier, CNRS, IRDMontpellierFrance
- Medical Entomology UnitInstitut Pasteur de MadagascarAntananarivoMadagascar
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2
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Cepeda AS, Mello B, Pacheco MA, Luo Z, Sullivan SA, Carlton JM, Escalante AA. The Genome of Plasmodium gonderi: Insights into the Evolution of Human Malaria Parasites. Genome Biol Evol 2024; 16:evae027. [PMID: 38376987 PMCID: PMC10901558 DOI: 10.1093/gbe/evae027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 12/21/2023] [Accepted: 02/03/2024] [Indexed: 02/22/2024] Open
Abstract
Plasmodium species causing malaria in humans are not monophyletic, sharing common ancestors with nonhuman primate parasites. Plasmodium gonderi is one of the few known Plasmodium species infecting African old-world monkeys that are not found in apes. This study reports a de novo assembled P. gonderi genome with complete chromosomes. The P. gonderi genome shares codon usage, syntenic blocks, and other characteristics with the human parasites Plasmodium ovale s.l. and Plasmodium malariae, also of African origin, and the human parasite Plasmodium vivax and species found in nonhuman primates from Southeast Asia. Using phylogenetically aware methods, newly identified syntenic blocks were found enriched with conserved metabolic genes. Regions outside those blocks harbored genes encoding proteins involved in the vertebrate host-Plasmodium relationship undergoing faster evolution. Such genome architecture may have facilitated colonizing vertebrate hosts. Phylogenomic analyses estimated the common ancestor between P. vivax and an African ape parasite P. vivax-like, within the Asian nonhuman primates parasites clade. Time estimates incorporating P. gonderi placed the P. vivax and P. vivax-like common ancestor in the late Pleistocene, a time of active migration of hominids between Africa and Asia. Thus, phylogenomic and time-tree analyses are consistent with an Asian origin for P. vivax and an introduction of P. vivax-like into Africa. Unlike other studies, time estimates for the clade with Plasmodium falciparum, the most lethal human malaria parasite, coincide with their host species radiation, African hominids. Overall, the newly assembled genome presented here has the quality to support comparative genomic investigations in Plasmodium.
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Affiliation(s)
- Axl S Cepeda
- Biology Department/Institute of Genomics and Evolutionary Medicine (iGEM), Temple University, Philadelphia, PA 19122-1801, USA
| | - Beatriz Mello
- Departamento de Genética, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - M Andreína Pacheco
- Biology Department/Institute of Genomics and Evolutionary Medicine (iGEM), Temple University, Philadelphia, PA 19122-1801, USA
| | - Zunping Luo
- Center for Genomics & Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Steven A Sullivan
- Center for Genomics & Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Jane M Carlton
- Center for Genomics & Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Ananias A Escalante
- Biology Department/Institute of Genomics and Evolutionary Medicine (iGEM), Temple University, Philadelphia, PA 19122-1801, USA
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3
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Poungou N, Sevidzem SL, Koumba AA, Koumba CRZ, Mbehang P, Onanga R, Zahouli JZB, Maganga GD, Djogbénou LS, Borrmann S, Adegnika AA, Becker SC, Mavoungou JF, Nguéma RM. Mosquito-Borne Arboviruses Occurrence and Distribution in the Last Three Decades in Central Africa: A Systematic Literature Review. Microorganisms 2023; 12:4. [PMID: 38276174 PMCID: PMC10819313 DOI: 10.3390/microorganisms12010004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 01/27/2024] Open
Abstract
Arboviruses represent a real public health problem globally and in the Central African subregion in particular, which represents a high-risk zone for the emergence and re-emergence of arbovirus outbreaks. Furthermore, an updated review on the current arbovirus burden and associated mosquito vectors is lacking for this region. To contribute to filling this knowledge gap, the current study was designed with the following objectives: (i) to systematically review data on the occurrence and distribution of arboviruses and mosquito fauna; and (ii) to identify potential spillover mosquito species in the Central African region in the last 30 years. A web search enabled the documentation of 2454 articles from different online databases. The preferred reporting items for systematic reviews and meta-analyses (PRISMA) and the quality of reporting of meta-analyses (QUORUM) steps for a systematic review enabled the selection of 164 articles that fulfilled our selection criteria. Of the six arboviruses (dengue virus (DENV), chikungunya virus (CHIKV), yellow fever virus (YFV), Zika virus (ZIKV), Rift Valley fever virus (RVFV), and West Nile virus (WNV)) of public health concern studied, the most frequently reported were chikungunya and dengue. The entomological records showed >248 species of mosquitoes regrouped under 15 genera, with Anopheles (n = 100 species), Culex (n = 56 species), and Aedes (n = 52 species) having high species diversity. Three genera were rarely represented, with only one species included, namely, Orthopodomyia, Lutzia, and Verrallina, but individuals of the genera Toxorhinchites and Finlayas were not identified at the species level. We found that two Aedes species (Ae. aegypti and Ae. albopictus) colonised the same microhabitat and were involved in major epidemics of the six medically important arboviruses, and other less-frequently identified mosquito genera consisted of competent species and were associated with outbreaks of medical and zoonotic arboviruses. The present study reveals a high species richness of competent mosquito vectors that could lead to the spillover of medically important arboviruses in the region. Although epidemiological studies were found, they were not regularly documented, and this also applies to vector competence and transmission studies. Future studies will consider unpublished information in dissertations and technical reports from different countries to allow their information to be more consistent. A regional project, entitled "Ecology of Arboviruses" (EcoVir), is underway in three countries (Gabon, Benin, and Cote d'Ivoire) to generate a more comprehensive epidemiological and entomological data on this topic.
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Affiliation(s)
- Natacha Poungou
- Ecole Doctorale Regionale en Infectiologie Tropical de Franceville (EDR), University of Science and Technique of Masuku (USTM), Franceville P.O. Box 943, Gabon;
- Laboratoire d’Ecologie des Maladies Transmissibles (LEMAT), Université Libreville Nord (ULN), Libreville P.O. Box 1177, Gabon
| | - Silas Lendzele Sevidzem
- Laboratoire d’Ecologie des Maladies Transmissibles (LEMAT), Université Libreville Nord (ULN), Libreville P.O. Box 1177, Gabon
| | - Aubin Armel Koumba
- Département de Biologie et Ecologie Animale, Institut de Recherche en Ecologie Tropicale (IRET-CENAREST), Libreville P.O. Box 13354, Gabon
| | - Christophe Roland Zinga Koumba
- Département de Biologie et Ecologie Animale, Institut de Recherche en Ecologie Tropicale (IRET-CENAREST), Libreville P.O. Box 13354, Gabon
| | - Phillipe Mbehang
- Département de Biologie et Ecologie Animale, Institut de Recherche en Ecologie Tropicale (IRET-CENAREST), Libreville P.O. Box 13354, Gabon
| | - Richard Onanga
- Center of Interdisciplinary Medical Analysis of Franceville (CIRMF), Franceville P.O. Box 769, Gabon
| | - Julien Zahouli Bi Zahouli
- Centre d’Entomologie Médicale et Vétérinaire, Université Alassane Ouattara, Bouaké 01 BPV 18, Côte d’Ivoire
| | - Gael Darren Maganga
- Center of Interdisciplinary Medical Analysis of Franceville (CIRMF), Franceville P.O. Box 769, Gabon
| | - Luc Salako Djogbénou
- Université d’Abomey-Calavi, Institut Régional de Santé Publique, Ouidah P.O. Box 384, Benin
| | - Steffen Borrmann
- Institute for Tropical Medicine (ITM), University of Tübingen, 72074 Tübingen, Germany
| | - Ayola Akim Adegnika
- Centre de Recherches Médicales de Lambaréné (CERMEL), Lambaréné P.O. Box 242, Gabon
| | - Stefanie C. Becker
- Institute for Parasitology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany;
| | - Jacques François Mavoungou
- Département de Biologie et Ecologie Animale, Institut de Recherche en Ecologie Tropicale (IRET-CENAREST), Libreville P.O. Box 13354, Gabon
| | - Rodrigue Mintsa Nguéma
- Laboratoire d’Ecologie des Maladies Transmissibles (LEMAT), Université Libreville Nord (ULN), Libreville P.O. Box 1177, Gabon
- Département de Biologie et Ecologie Animale, Institut de Recherche en Ecologie Tropicale (IRET-CENAREST), Libreville P.O. Box 13354, Gabon
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4
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Nsango SN, Agbor JP, Ayala D, Johnson HF, Heaton H, Wagah MG, Collins JC, Krasheninnikova K, Pelan SE, Pointon DLB, Sims Y, Torrance JW, Tracey A, Uliano Da Silva M, Wood JMD, von Wyschetzki K, McCarthy SA, Neafsey DE, Makunin A, Lawniczak M. A chromosomal reference genome sequence for the malaria mosquito, Anopheles moucheti, Evans, 1925. Wellcome Open Res 2023; 8:507. [PMID: 38046191 PMCID: PMC10690039 DOI: 10.12688/wellcomeopenres.20259.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2023] [Indexed: 12/05/2023] Open
Abstract
We present a genome assembly from an individual male Anopheles moucheti (the malaria mosquito; Arthropoda; Insecta; Diptera; Culicidae), from a wild population in Cameroon. The genome sequence is 271 megabases in span. The majority of the assembly is scaffolded into three chromosomal pseudomolecules with the X sex chromosome assembled. The complete mitochondrial genome was also assembled and is 15.5 kilobases in length.
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Affiliation(s)
- Sandrine N. Nsango
- Faculte de Medecine et des Sciences Pharmaceutiques, Universite de Douala, Douala, Littoral, Cameroon
| | - Jean-Pierre Agbor
- Faculte de Medecine et des Sciences Pharmaceutiques, Universite de Douala, Douala, Littoral, Cameroon
| | - Diego Ayala
- MIVEGEC, IRD, Montpellier, France
- ESV-GAB, Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, Gabon
| | | | | | - Martin G. Wagah
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
| | | | | | - Sarah E. Pelan
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
| | | | - Ying Sims
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
| | | | - Alan Tracey
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
| | | | | | | | - DNA Pipelines collective
- Faculte de Medecine et des Sciences Pharmaceutiques, Universite de Douala, Douala, Littoral, Cameroon
- MIVEGEC, IRD, Montpellier, France
- ESV-GAB, Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, Gabon
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
- CSSE, Auburn University, Auburn, Alabama, USA
- Department of Genetics, University of Cambridge, Cambridge, England, UK
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Infectious Disease and Microbiome Program, Broad Institute, Cambridge, MA, USA
| | - Shane A. McCarthy
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
- Department of Genetics, University of Cambridge, Cambridge, England, UK
| | - Daniel E. Neafsey
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Infectious Disease and Microbiome Program, Broad Institute, Cambridge, MA, USA
| | - Alex Makunin
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
| | - Mara Lawniczak
- Tree of Life, Wellcome Sanger Institute, Hinxton, England, UK
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5
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Boundenga L, Bignoumba M, Dibakou SE, Mombo LE, Moukagni-Mussadji CJ, Wora DM, Kassa-Kassa F, Bisseye C, Onanga R. Decrease on malaria clinical cases from 2017 to 2019 in Franceville, Southeast Gabon, Central Africa. J Public Health Afr 2023; 14:1865. [PMID: 37229438 PMCID: PMC10204601 DOI: 10.4081/jphia.2023.1865] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 08/05/2022] [Indexed: 05/27/2023] Open
Abstract
Background In Gabon, malaria remains a major public health problem. All malaria cases with axillary temperature ≥ 37.5°C with a parasites density ≥ 1200/μL are serious cases and must be treated as a medical emergency. Thus, early diagnosis is essential for successful treatment. Because of the impact of malaria on the population, the surveillance of malaria infections in hospitals is urgently needed. The aim of this study was to to assess of clinical cases of malaria in a private health structure in Franceville between 2017 and 2019. Methods For that, we conducted a retrospective study using data on malaria cases recorded in a private medical analysis laboratory in Franceville, southeast Gabon. Malaria was diagnosed in this laboratory using a Rapid Diagnostic Test and confirmed by microscopic analysis. Results Analysis of 2518 patient forms revealed an increase in malaria prevalence in Franceville between 2017-2019. The global clinical cases was 26.1% (658/2015). Children under 5 years (44.0%) and patients aged 5-14 years (40.1%) were more affected than patients aged ≥15 years (18.8%, P=0.0001). Malaria infection was also significantly dependent on season and gender. We observed at least three Plasmodium species and the predominant Plasmodium species was P. falciparum 80.0%, followed by P. ovale (19.5%) and P. malariae (17.8%). Conclusion Our study showed that malaria remains a public health priority for the population of Franceville and that the prevalence of clinical cases of malaria at the laboratory decrease between 2017 and 2019. Our results highlight the need for strategies to control malaria in Franceville, adapted to epidemiological contexts and environmental constraint.
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Affiliation(s)
- Larson Boundenga
- International Centre of Medical Research of Franceville (CIRMF), Franceville, Gabon
- Department of Anthropology, University of Durham, UK
| | - Michelle Bignoumba
- International Centre of Medical Research of Franceville (CIRMF), Franceville, Gabon
| | - Serge-Ely Dibakou
- International Centre of Medical Research of Franceville (CIRMF), Franceville, Gabon
| | - Landry Erik Mombo
- Cellular Biology (LABMC), Masuku University of Science and Technology, Franceville, Gabon
| | | | | | - Fabrice Kassa-Kassa
- International Centre of Medical Research of Franceville (CIRMF), Franceville, Gabon
| | - Cyrille Bisseye
- Cellular Biology (LABMC), Masuku University of Science and Technology, Franceville, Gabon
| | - Richard Onanga
- International Centre of Medical Research of Franceville (CIRMF), Franceville, Gabon
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6
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Role of Pfs47 in the dispersal of ancestral Plasmodium falciparum malaria through adaptation to different anopheline vectors. Proc Natl Acad Sci U S A 2023; 120:e2213626120. [PMID: 36689648 PMCID: PMC9945982 DOI: 10.1073/pnas.2213626120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Plasmodium falciparum malaria originated when Plasmodium praefalciparum, a gorilla malaria parasite transmitted by African sylvan anopheline mosquitoes, adapted to humans. Pfs47, a protein on the parasite surface mediates P. falciparum evasion of the mosquito immune system by interacting with a midgut receptor and is critical for Plasmodium adaptation to different anopheline species. Genetic analysis of 4,971 Pfs47 gene sequences from different continents revealed that Asia and Papua New Guinea harbor Pfs47 haplotypes more similar to its ortholog in P. praefalciparum at sites that determine vector compatibility, suggesting that ancestral P. falciparum readily adapted to Asian vectors. Consistent with this observation, Pfs47-receptor gene sequences from African sylvan malaria vectors, such as Anopheles moucheti and An. marshallii, were found to share greater similarity with those of Asian vectors than those of vectors of the African An. gambiae complex. Furthermore, experimental infections provide direct evidence that transformed P. falciparum parasites carrying Pfs47 orthologs of P. praefalciparum or P. reichenowi were more effective at evading the immune system of the Asian malaria vector An. dirus than An. gambiae. We propose that high compatibility of ancestral P. falciparum Pfs47 with the receptors of Asian vectors facilitated the early dispersal of human malaria to the Asian continent, without having to first adapt to sub-Saharan vectors of the An. gambiae complex.
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7
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Nguyen AHL, Pattaradilokrat S, Kaewlamun W, Kaneko O, Asada M, Kaewthamasorn M. Myzomyia and Pyretophorus series of Anopheles mosquitoes acting as probable vectors of the goat malaria parasite Plasmodium caprae in Thailand. Sci Rep 2023; 13:145. [PMID: 36599869 PMCID: PMC9812981 DOI: 10.1038/s41598-022-26833-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/21/2022] [Indexed: 01/06/2023] Open
Abstract
Unlike malaria parasites in humans, non-human primates, rodents, and birds, ungulate malaria parasites and their vectors have received little attention. As a result, understanding of the hosts, vectors, and biology of ungulate malaria parasites has remained limited. In this study, we aimed to identify the vectors of the goat malaria parasite Plasmodium caprae. A total of 1019 anopheline and 133 non-anopheline mosquitoes were collected from goat farms in Thailand, where P. caprae-infected goats were discovered. Anopheline mosquitoes were identified using molecular biological methods that target the cytochrome c oxidase subunit 1 (cox1), the cytochrome c oxidase subunit 2 (cox2) genes, and the internal transcribed spacer 2 (ITS2) region. Pool and individual mosquitoes were tested for P. caprae using the head-thorax parts that contain the salivary glands, with primers targeting three genetic markers including cytochrome b, cytochrome c oxidase subunit 1, and 18S small subunit ribosomal RNA genes. Additionally, goat blood samples were collected concurrently with mosquito surveys and screened to determine the status of malaria infection. This study revealed nine mosquito species belonging to six groups on goat farms, including Hyrcanus, Barbirostris, Subpictus, Funestus, Tessellatus, and Annularis. The DNA of P. caprae was detected in Anopheles subpictus and Anopheles aconitus. This is the first time An. subpictus and An. aconitus have been implicated as probable vectors of P. caprae.
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Affiliation(s)
- Anh Hoang Lan Nguyen
- grid.7922.e0000 0001 0244 7875The International Graduate Program of Veterinary Science and Technology (VST), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330 Thailand ,grid.7922.e0000 0001 0244 7875Veterinary Parasitology Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330 Thailand
| | - Sittiporn Pattaradilokrat
- grid.7922.e0000 0001 0244 7875Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok, 10330 Thailand
| | - Winai Kaewlamun
- grid.7922.e0000 0001 0244 7875School of Agricultural Resources, Chulalongkorn University, Bangkok, Thailand
| | - Osamu Kaneko
- grid.174567.60000 0000 8902 2273Department of Protozoology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, 852-8523 Japan
| | - Masahito Asada
- grid.412310.50000 0001 0688 9267National Research Center for Protozoan Diseases, Department of Global Cooperation, Research Unit for Global Infection Control, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555 Japan
| | - Morakot Kaewthamasorn
- grid.7922.e0000 0001 0244 7875Veterinary Parasitology Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330 Thailand
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8
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Scully EJ, Liu W, Li Y, Ndjango JBN, Peeters M, Kamenya S, Pusey AE, Lonsdorf EV, Sanz CM, Morgan DB, Piel AK, Stewart FA, Gonder MK, Simmons N, Asiimwe C, Zuberbühler K, Koops K, Chapman CA, Chancellor R, Rundus A, Huffman MA, Wolfe ND, Duraisingh MT, Hahn BH, Wrangham RW. The ecology and epidemiology of malaria parasitism in wild chimpanzee reservoirs. Commun Biol 2022; 5:1020. [PMID: 36167977 PMCID: PMC9515101 DOI: 10.1038/s42003-022-03962-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 09/01/2022] [Indexed: 11/09/2022] Open
Abstract
Chimpanzees (Pan troglodytes) harbor rich assemblages of malaria parasites, including three species closely related to P. falciparum (sub-genus Laverania), the most malignant human malaria parasite. Here, we characterize the ecology and epidemiology of malaria infection in wild chimpanzee reservoirs. We used molecular assays to screen chimpanzee fecal samples, collected longitudinally and cross-sectionally from wild populations, for malaria parasite mitochondrial DNA. We found that chimpanzee malaria parasitism has an early age of onset and varies seasonally in prevalence. A subset of samples revealed Hepatocystis mitochondrial DNA, with phylogenetic analyses suggesting that Hepatocystis appears to cross species barriers more easily than Laverania. Longitudinal and cross-sectional sampling independently support the hypothesis that mean ambient temperature drives spatiotemporal variation in chimpanzee Laverania infection. Infection probability peaked at ~24.5 °C, consistent with the empirical transmission optimum of P. falciparum in humans. Forest cover was also positively correlated with spatial variation in Laverania prevalence, consistent with the observation that forest-dwelling Anophelines are the primary vectors. Extrapolating these relationships across equatorial Africa, we map spatiotemporal variation in the suitability of chimpanzee habitat for Laverania transmission, offering a hypothetical baseline indicator of human exposure risk.
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Affiliation(s)
- Erik J Scully
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA.,Department of Immunology & Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Weimin Liu
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Yingying Li
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Jean-Bosco N Ndjango
- Department of Ecology and Management of Plant and Animal Resources, Faculty of Sciences, University of Kisangani, BP 2012, Kisangani, Democratic Republic of the Congo
| | - Martine Peeters
- Recherche Translationnelle Appliquée au VIH et aux Maladies Infectieuses, Institut de Recherche pour le Développement, University of Montpellier, INSERM, 34090, Montpellier, France
| | - Shadrack Kamenya
- Gombe Stream Research Centre, The Jane Goodall Institute, Tanzania, Kigoma, Tanzania
| | - Anne E Pusey
- Department of Evolutionary Anthropology, Duke University, Durham, NC, 27708, USA
| | - Elizabeth V Lonsdorf
- Department of Psychology, Franklin and Marshall College, Lancaster, PA, 17604, USA
| | - Crickette M Sanz
- Department of Anthropology, Washington University in St. Louis, St Louis, MO, 63130, USA.,Congo Program, Wildlife Conservation Society, BP 14537, Brazzaville, Republic of the Congo
| | - David B Morgan
- Lester E. Fisher Center for the Study and Conservation of Apes, Lincoln Park Zoo, Chicago, IL, 60614, USA
| | - Alex K Piel
- Department of Anthropology, University College London, 14 Taviton St, Bloomsbury, WC1H OBW, London, UK
| | - Fiona A Stewart
- Department of Anthropology, University College London, 14 Taviton St, Bloomsbury, WC1H OBW, London, UK.,School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, L3 3AF, UK
| | - Mary K Gonder
- Department of Biology, Drexel University, Philadelphia, PA, 19104, USA
| | - Nicole Simmons
- Zoology Department, Makerere University, P.O. Box 7062, Kampala, Uganda
| | | | - Klaus Zuberbühler
- School of Psychology and Neuroscience, University of St Andrews, St Andrews, UK.,Department of Comparative Cognition, Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland
| | - Kathelijne Koops
- Department of Ape Behaviour & Ecology Group, University of Zurich, Zurich, Switzerland
| | - Colin A Chapman
- Department of Anthropology, Center for the Advanced Study of Human Paleobiology, George Washington University, Washington, DC, USA.,School of Life Sciences, University of KwaZulu-Natal, Scottsville, Pietermaritzburg, South Africa
| | - Rebecca Chancellor
- Department of Anthropology & Sociology, West Chester University, West Chester, PA, USA.,Department of Psychology, West Chester University, West Chester, PA, USA
| | - Aaron Rundus
- Department of Psychology, West Chester University, West Chester, PA, USA
| | - Michael A Huffman
- Center for International Collaboration and Advanced Studies in Primatology, Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan
| | | | - Manoj T Duraisingh
- Department of Immunology & Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA.
| | - Beatrice H Hahn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
| | - Richard W Wrangham
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA.
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9
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Systematic Review on Diversity and Distribution of Anopheles Species in Gabon: A Fresh Look at the Potential Malaria Vectors and Perspectives. Pathogens 2022; 11:pathogens11060668. [PMID: 35745522 PMCID: PMC9229970 DOI: 10.3390/pathogens11060668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/14/2022] [Accepted: 05/28/2022] [Indexed: 12/09/2022] Open
Abstract
Gabon is located in the malaria hyper-endemic zone, where data concerning malaria vector distribution remains fragmentary, making it difficult to implement an effective vector control strategy. Thus, it becomes crucial and urgent to undertake entomological surveys that will allow a better mapping of the Anopheles species present in Gabon. In this review, we examined different articles dealing with Anopheles in Gabon from ProQuest, Web of Science, PubMed, and Google scholar databases. After applying the eligibility criteria to 7543 articles collected from four databases, 42 studies were included that covered a 91-year period of study. The review revealed a wide diversity of Anopheles species in Gabon with a heterogeneous distribution. Indeed, our review revealed the presence of 41 Anopheles species, of which the most abundant were members of the Gambiae and Nili complexes and those of the Funestus and Moucheti groups. However, our review also revealed that the major and minor vectors of malaria in Gabon are present in both sylvatic, rural, and urban environments. The observation of human malaria vectors in sylvatic environments raises the question of the role that the sylvatic environment may play in maintaining malaria transmission in rural and urban areas. Ultimately, it appears that knowledge of biodiversity and spatial distribution of Anopheles mosquitoes is fragmentary in Gabon, suggesting that additional studies are necessary to complete and update these entomological data, which are useful for the implementation of vector control strategies.
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10
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Plenderleith LJ, Liu W, Li Y, Loy DE, Mollison E, Connell J, Ayouba A, Esteban A, Peeters M, Sanz CM, Morgan DB, Wolfe ND, Ulrich M, Sachse A, Calvignac-Spencer S, Leendertz FH, Shaw GM, Hahn BH, Sharp PM. Zoonotic origin of the human malaria parasite Plasmodium malariae from African apes. Nat Commun 2022; 13:1868. [PMID: 35387986 PMCID: PMC8987028 DOI: 10.1038/s41467-022-29306-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 03/07/2022] [Indexed: 11/19/2022] Open
Abstract
The human parasite Plasmodium malariae has relatives infecting African apes (Plasmodium rodhaini) and New World monkeys (Plasmodium brasilianum), but its origins remain unknown. Using a novel approach to characterise P. malariae-related sequences in wild and captive African apes, we found that this group comprises three distinct lineages, one of which represents a previously unknown, highly divergent species infecting chimpanzees, bonobos and gorillas across central Africa. A second ape-derived lineage is much more closely related to the third, human-infective lineage P. malariae, but exhibits little evidence of genetic exchange with it, and so likely represents a separate species. Moreover, the levels and nature of genetic polymorphisms in P. malariae indicate that it resulted from the zoonotic transmission of an African ape parasite, reminiscent of the origin of P. falciparum. In contrast, P. brasilianum falls within the radiation of human P. malariae, and thus reflects a recent anthroponosis. Plasmodium malariae is a cause of malaria in humans and related species have been identified in non-human primates. Here, the authors use genomic analyses to establish that human P. malariae arose from a host switch of an ape parasite whilst a species infecting New World monkeys can be traced to a reverse zoonosis.
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Affiliation(s)
- Lindsey J Plenderleith
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, EH9 3FL, UK.
| | - Weimin Liu
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Yingying Li
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Dorothy E Loy
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Ewan Mollison
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, EH9 3FL, UK
| | - Jesse Connell
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Ahidjo Ayouba
- Recherche Translationnelle Appliquée au VIH et aux Maladies Infectieuses, Institut de Recherche pour le Développement, University of Montpellier, INSERM, 34090, Montpellier, France
| | - Amandine Esteban
- Recherche Translationnelle Appliquée au VIH et aux Maladies Infectieuses, Institut de Recherche pour le Développement, University of Montpellier, INSERM, 34090, Montpellier, France
| | - Martine Peeters
- Recherche Translationnelle Appliquée au VIH et aux Maladies Infectieuses, Institut de Recherche pour le Développement, University of Montpellier, INSERM, 34090, Montpellier, France
| | - Crickette M Sanz
- Department of Anthropology, Washington University in St. Louis, St Louis, MO, 63130, USA.,Wildlife Conservation Society, Congo Program, BP, 14537, Brazzaville, Republic of the Congo
| | - David B Morgan
- Wildlife Conservation Society, Congo Program, BP, 14537, Brazzaville, Republic of the Congo.,Lester E. Fisher Center for the Study and Conservation of Apes, Lincoln Park Zoo, Chicago, IL, USA
| | | | | | | | | | - Fabian H Leendertz
- Robert Koch Institute, 13353, Berlin, Germany.,Helmholtz Institute for One Health, Greifswald, Germany
| | - George M Shaw
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Beatrice H Hahn
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Paul M Sharp
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, EH9 3FL, UK.
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11
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Mfueni Bikundi E, Coppieters Y. Prediction ability of vector species, environmental characteristics and socio-economic factors for malaria risk in Sub-Saharan African Countries. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:191-206. [PMID: 32279543 DOI: 10.1080/09603123.2020.1745763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 03/18/2020] [Indexed: 06/11/2023]
Abstract
Malaria remains a major public health problem, causing 435,000 deaths in 2017. The objective of this study was to estimate the prediction ability of vector species associated with the prediction power of environmental and socio-economic factors for malaria risk. Logistic regression was used for malaria risk estimation. A Radial Basis Function model was applied for estimating the predictive ability of Anopheles species, environmental and socio-economic factors. The lowest fever prevalence was found where Anopheles melas was dominant. Anopheles coluzzi and Anopheles gambiae were the dominant species where prevalence of malaria was high. Altitude, country and vector species were the best predictive factors. Anopheles arabiensis, An. coluzzi and An. gambiae were most common in urban areas. This study will improve the prediction of malaria risk in targeted areas. We have observed how important it is to adapt health policies according to the dominant malaria vector in a region.
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Affiliation(s)
- Elvire Mfueni Bikundi
- Epidemiology, Biostatistics and Clinical Research Center, School of Public Health, Université Libre de Bruxelles (ULB), Campus Erasme, Brussels, Belgium
| | - Yves Coppieters
- Epidemiology, Biostatistics and Clinical Research Center, School of Public Health, Université Libre de Bruxelles (ULB), Campus Erasme, Brussels, Belgium
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12
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Köster PC, Renelies-Hamilton J, Dotras L, Llana M, Vinagre-Izquierdo C, Prakas P, Sneideris D, Dashti A, Bailo B, Lanza M, Jiménez-Mejías A, Muñoz-García C, Muadica AS, González-Barrio D, Rubio JM, Fuentes I, Ponce-Gordo F, Calero-Bernal R, Carmena D. Molecular Detection and Characterization of Intestinal and Blood Parasites in Wild Chimpanzees ( Pan troglodytes verus) in Senegal. Animals (Basel) 2021; 11:ani11113291. [PMID: 34828022 PMCID: PMC8614354 DOI: 10.3390/ani11113291] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 11/02/2021] [Accepted: 11/11/2021] [Indexed: 11/24/2022] Open
Abstract
Simple Summary Western chimpanzees are currently listed as a Critically Endangered subspecies. Human encroachment has taken a toll on this great ape due to fragmented habitat and the exchange of pathogens. This epidemiological study investigated the occurrence and genetic diversity of intestinal and blood parasites in faecal samples from wild chimpanzees living in the Dindefelo Community Nature Reserve, Senegal. We paid special attention to potential human-driven sources of infection and transmission pathways. Potential diarrhoea-causing protist parasites (e.g., Cryptosporidium spp., Giardia duodenalis, Entamoeba histolytica) were detected at low infection rates (and densities) or absent, whereas commensals (Entamoeba dispar) or protist of uncertain pathogenicity (Blastocystis sp.) were far more abundant. We detected Sarcocystis spp. in chimpanzee faeces. Blood protist parasites such as Plasmodium spp. and Trypanosoma brucei spp. (the etiological agents of malaria and sleeping sickness, respectively, in humans) were also found at low prevalences, but microfilariae of the nematode Mansonella perstans were frequently found. Molecular analyses primarily revealed host-adapted species/genotypes and an apparent absence of gastrointestinal clinical manifestations in infected chimpanzees. Zoonotic events of still unknown frequency and directionality may have taken part between wild chimpanzees and humans sharing natural habitats and resources. Abstract Wild chimpanzee populations in West Africa (Pan troglodytes verus) have dramatically decreased as a direct consequence of anthropogenic activities and infectious diseases. Little information is currently available on the epidemiology, pathogenic significance, and zoonotic potential of protist species in wild chimpanzees. This study investigates the occurrence and genetic diversity of intestinal and blood protists as well as filariae in faecal samples (n = 234) from wild chimpanzees in the Dindefelo Community Nature Reserve, Senegal. PCR-based results revealed the presence of intestinal potential pathogens (Sarcocystis spp.: 11.5%; Giardia duodenalis: 2.1%; Cryptosporidium hominis: 0.9%), protist of uncertain pathogenicity (Blastocystis sp.: 5.6%), and commensal species (Entamoeba dispar: 18.4%; Troglodytella abrassarti: 5.6%). Entamoeba histolytica, Enterocytozoon bieneusi, and Balantioides coli were undetected. Blood protists including Plasmodium malariae (0.4%), Trypanosoma brucei (1.3%), and Mansonella perstans (9.8%) were also identified. Sanger sequencing analyses revealed host-adapted genetic variants within Blastocystis, but other parasitic pathogens (C. hominis, P. malariae, T. brucei, M. perstans) have zoonotic potential, suggesting that cross-species transmission between wild chimpanzees and humans is possible in areas where both species overlap. Additionally, we explored potential interactions between intestinal/blood protist species and seasonality and climate variables. Chimpanzees seem to play a more complex role on the epidemiology of pathogenic and commensal protist and nematode species than initially anticipated.
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Affiliation(s)
- Pamela C. Köster
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Justinn Renelies-Hamilton
- Section for Ecology and Evolution, Department of Biology, University of Copenhagen, DK-1165 Copenhagen, Denmark;
| | - Laia Dotras
- Jane Goodall Institute Spain and Senegal, Dindefelo Biological Station, Dindefelo, Kedougou, Senegal; (L.D.); (M.L.)
| | - Manuel Llana
- Jane Goodall Institute Spain and Senegal, Dindefelo Biological Station, Dindefelo, Kedougou, Senegal; (L.D.); (M.L.)
| | | | - Petras Prakas
- Nature Research Centre, LT-08412 Vilnius, Lithuania; (P.P.); (D.S.)
| | | | - Alejandro Dashti
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Begoña Bailo
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Marta Lanza
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Alejandra Jiménez-Mejías
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Carlota Muñoz-García
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Aly S. Muadica
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
- Departamento de Ciências e Tecnologia, Universidade Licungo, Quelimane 106, Mozambique
| | - David González-Barrio
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - José M. Rubio
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Isabel Fuentes
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
| | - Francisco Ponce-Gordo
- Department of Microbiology and Parasitology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain;
| | - Rafael Calero-Bernal
- Salud Veterinaria y Zoonosis (SALUVET), Department of Animal Health, Faculty of Veterinary, Complutense University of Madrid, 28040 Madrid, Spain
- Correspondence: (R.C.-B.); (D.C.)
| | - David Carmena
- Parasitology Reference and Research Laboratory, Spanish National Centre for Microbiology, 28220 Majadahonda, Spain; (P.C.K.); (A.D.); (B.B.); (M.L.); (A.J.-M.); (C.M.-G.); (A.S.M.); (D.G.-B.); (J.M.R.); (I.F.)
- Correspondence: (R.C.-B.); (D.C.)
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13
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Gimenez AM, Salman AM, Marques RF, López-Camacho C, Harrison K, Kim YC, Janse CJ, Soares IS, Reyes-Sandoval A. A universal vaccine candidate against Plasmodium vivax malaria confers protective immunity against the three PvCSP alleles. Sci Rep 2021; 11:17928. [PMID: 34504134 PMCID: PMC8429696 DOI: 10.1038/s41598-021-96986-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/22/2021] [Indexed: 12/11/2022] Open
Abstract
Malaria is a highly prevalent parasitic disease in regions with tropical and subtropical climates worldwide. Among the species of Plasmodium causing human malaria, P. vivax is the second most prevalent and the most geographically widespread species. A major target of a pre-erythrocytic vaccine is the P. vivax circumsporozoite protein (PvCSP). In previous studies, we fused two recombinant proteins representing three allelic variants of PvCSP (VK210, VK247 and P. vivax-like) to the mumps virus nucleocapsid protein to enhance immune responses against PvCSP. The objective of the present study was to evaluate the protective efficacy of these recombinants in mice challenged with transgenic P. berghei parasites expressing PvCSP allelic variants. Formulations containing Poly (I:C) or Montanide ISA720 as adjuvants elicited high and long-lasting IgG antibody titers specific to each PvCSP allelic variant. Immunized mice were challenged with two existing chimeric P. berghei parasite lines expressing PvCSP-VK210 and PvCSP-VK247. We also developed a novel chimeric line expressing the third allelic variant, PvCSP-P. vivax-like, as a new murine immunization-challenge model. Our formulations conferred partial protection (significant delay in the time to reach 1% parasitemia) against challenge with the three chimeric parasites. Our results provide insights into the development of a vaccine targeting multiple strains of P. vivax.
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Affiliation(s)
- Alba Marina Gimenez
- Nuffield Department of Medicine, The Jenner Institute, University of Oxford, The Henry Wellcome Building for Molecular Physiology, Roosevelt Drive, Oxford, OX3 7BN, UK.,Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Ahmed M Salman
- Nuffield Department of Medicine, The Jenner Institute, University of Oxford, The Henry Wellcome Building for Molecular Physiology, Roosevelt Drive, Oxford, OX3 7BN, UK
| | - Rodolfo F Marques
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - César López-Camacho
- Nuffield Department of Medicine, The Jenner Institute, University of Oxford, The Henry Wellcome Building for Molecular Physiology, Roosevelt Drive, Oxford, OX3 7BN, UK
| | - Kate Harrison
- Nuffield Department of Medicine, The Jenner Institute, University of Oxford, The Henry Wellcome Building for Molecular Physiology, Roosevelt Drive, Oxford, OX3 7BN, UK
| | - Young Chan Kim
- Nuffield Department of Medicine, The Jenner Institute, University of Oxford, The Henry Wellcome Building for Molecular Physiology, Roosevelt Drive, Oxford, OX3 7BN, UK
| | - Chris J Janse
- Department of Parasitology, Leiden Malaria Research Group, Center of Infectious Diseases, Leiden University Medical Center, (LUMC, L4-Q), Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Irene S Soares
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil.
| | - Arturo Reyes-Sandoval
- Nuffield Department of Medicine, The Jenner Institute, University of Oxford, The Henry Wellcome Building for Molecular Physiology, Roosevelt Drive, Oxford, OX3 7BN, UK. .,Instituto Politécnico Nacional, IPN, Av. Luis Enrique Erro S/N. Unidad Adolfo López Mateos, Zacatenco, CP 07738, Mexico City, Mexico.
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14
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Abstract
African apes harbor at least twelve Plasmodium species, some of which have been a source of human infection. It is now well established that Plasmodium falciparum emerged following the transmission of a gorilla parasite, perhaps within the last 10,000 years, while Plasmodium vivax emerged earlier from a parasite lineage that infected humans and apes in Africa before the Duffy-negative mutation eliminated the parasite from humans there. Compared to their ape relatives, both human parasites have greatly reduced genetic diversity and an excess of nonsynonymous mutations, consistent with severe genetic bottlenecks followed by rapid population expansion. A putative new Plasmodium species widespread in chimpanzees, gorillas, and bonobos places the origin of Plasmodium malariae in Africa. Here, we review what is known about the origins and evolutionary history of all human-infective Plasmodium species, the time and circumstances of their emergence, and the diversity, host specificity, and zoonotic potential of their ape counterparts.
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Affiliation(s)
- Paul M Sharp
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, EH9 3FL, United Kingdom
| | - Lindsey J Plenderleith
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, EH9 3FL, United Kingdom
| | - Beatrice H Hahn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
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15
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Antinori S, Bonazzetti C, Giacomelli A, Corbellino M, Galli M, Parravicini C, Ridolfo AL. Non-human primate and human malaria: past, present and future. J Travel Med 2021; 28:6162451. [PMID: 33693917 DOI: 10.1093/jtm/taab036] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/25/2021] [Accepted: 03/01/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND Studies of the malaria parasites infecting various non-human primates (NHPs) have increased our understanding of the origin, biology and pathogenesis of human Plasmodium parasites.This review considers the major discoveries concerning NHP malaria parasites, highlights their relationships with human malaria and considers the impact that this may have on attempts to eradicate the disease. RESULTS The first description of NHP malaria parasites dates back to the early 20th century. Subsequently, experimental and fortuitous findings indicating that some NHP malaria parasites can be transmitted to humans have raised concerns about the possible impact of a zoonotic malaria reservoir on efforts to control human malaria.Advances in molecular techniques over the last 15 years have contributed greatly to our knowledge of the existence and geographical distribution of numerous Plasmodium species infecting NHPs, and extended our understanding of their close phylogenetic relationships with human malaria parasites. The clinical application of such techniques has also made it possible to document ongoing spillovers of NHP malaria parasites (Plasmodium knowlesi, P. cynomolgi, P. simium, P. brasilianum) in humans living in or near the forests of Asia and South America, thus confirming that zoonotic malaria can undermine efforts to eradicate human malaria. CONCLUSIONS Increasing molecular research supports the prophetic intuition of the pioneers of modern malariology who saw zoonotic malaria as a potential obstacle to the full success of malaria eradication programmes. It is, therefore, important to continue surveillance and research based on one-health approaches in order to improve our understanding of the complex interactions between NHPs, mosquito vectors and humans during a period of ongoing changes in the climate and the use of land, monitor the evolution of zoonotic malaria, identify the populations most at risk and implement appropriate preventive strategies.
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Affiliation(s)
- Spinello Antinori
- Luigi Sacco Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, Milano, Italy.,III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Cecilia Bonazzetti
- Luigi Sacco Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, Milano, Italy.,III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Andrea Giacomelli
- Luigi Sacco Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, Milano, Italy.,III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Mario Corbellino
- III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Massimo Galli
- Luigi Sacco Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, Milano, Italy.,III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Carlo Parravicini
- Luigi Sacco Department of Biomedical and Clinical Sciences, Università degli Studi di Milano, Milano, Italy
| | - Anna Lisa Ridolfo
- III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy
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16
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Carrillo Bilbao GA, Navarro JC, Garigliany MM, Martin-Solano S, Minda E, Benítez-Ortiz W, Saegerman C. Molecular Identification of Plasmodium falciparum from Captive Non-Human Primates in the Western Amazon Ecuador. Pathogens 2021; 10:791. [PMID: 34206700 PMCID: PMC8308908 DOI: 10.3390/pathogens10070791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Malaria is a disease caused by hemoparasites of the Plasmodium genus. Non-human primates (NHP) are hosts of Plasmodium sp. around the world. Several studies have demonstrated that Plasmodium sp. emerged from Africa. However, little information is currently available about Plasmodium falciparum in the neotropical NHP and even less in Ecuador. Indeed, the objective of our study was to identify by molecular phylogenetic analyses the Plasmodium species associated with NHP from the Western Amazon region of Ecuador, and to design a molecular taxonomy protocol to use in the NHP disease ecology. Methods: We extracted DNA from faecal samples (n = 26) from nine species of captive (n = 19) and free-ranging (n = 7) NHP, collected from 2011 to 2019 in the Western Amazon region of Ecuador. Results: Using a pan-Plasmodium PCR, we obtained one positive sample from an adult female Leontocebus lagonotus. A maximum likelihood phylogenetic analysis showed that this sequence unequivocally clustered with Plasmodium falciparum. Conclusions: The identification of Plasmodium sp. in NHP of the Ecuadorian Amazon would be essential to identify their role as potential zoonotic reservoirs, and it is also important to identify their origin in wildlife and their transmission in captive NHP.
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Affiliation(s)
- Gabriel Alberto Carrillo Bilbao
- Instituto de Salud Pública y Zoonosis (CIZ), Universidad Central del Ecuador, Quito 170521, Ecuador; (G.A.C.B.); (S.M.-S.); (E.M.); (W.B.-O.)
- Research Unit of Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULg), Fundamental and Applied Research for Animal and Health (FARAH) Center, Department of Infections and Parasitic Diseases, Faculty of Veterinary Medicine, University of Liège, B-4000 Liège, Belgium
| | - Juan-Carlos Navarro
- Grupo de Investigación en Enfermedades Emergentes, Ecoepidemiología y Biodiversidad, Facultad de Ciencias de la Salud, Universidad Internacional SEK, Quito 170107, Ecuador;
| | - Mutien-Marie Garigliany
- Department of Pathology, Fundamental and Applied Research for Animal and Health (FARAH) Center, Liège University, B-4000 Liège, Belgium;
- Department of Animal Pathology, Liège University, B-4000 Liège, Belgium
| | - Sarah Martin-Solano
- Instituto de Salud Pública y Zoonosis (CIZ), Universidad Central del Ecuador, Quito 170521, Ecuador; (G.A.C.B.); (S.M.-S.); (E.M.); (W.B.-O.)
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas—ESPE, Sangolquí 171103, Ecuador
| | - Elizabeth Minda
- Instituto de Salud Pública y Zoonosis (CIZ), Universidad Central del Ecuador, Quito 170521, Ecuador; (G.A.C.B.); (S.M.-S.); (E.M.); (W.B.-O.)
| | - Washington Benítez-Ortiz
- Instituto de Salud Pública y Zoonosis (CIZ), Universidad Central del Ecuador, Quito 170521, Ecuador; (G.A.C.B.); (S.M.-S.); (E.M.); (W.B.-O.)
| | - Claude Saegerman
- Research Unit of Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULg), Fundamental and Applied Research for Animal and Health (FARAH) Center, Department of Infections and Parasitic Diseases, Faculty of Veterinary Medicine, University of Liège, B-4000 Liège, Belgium
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17
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Daron J, Boissière A, Boundenga L, Ngoubangoye B, Houze S, Arnathau C, Sidobre C, Trape JF, Durand P, Renaud F, Fontaine MC, Prugnolle F, Rougeron V. Population genomic evidence of Plasmodium vivax Southeast Asian origin. SCIENCE ADVANCES 2021; 7:7/18/eabc3713. [PMID: 33910900 PMCID: PMC8081369 DOI: 10.1126/sciadv.abc3713] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 03/10/2021] [Indexed: 05/15/2023]
Abstract
Plasmodium vivax is the most common and widespread human malaria parasite. It was recently proposed that P. vivax originates from sub-Saharan Africa based on the circulation of its closest genetic relatives (P. vivax-like) among African great apes. However, the limited number of genetic markers and samples investigated questions the robustness of this hypothesis. Here, we extensively characterized the genomic variations of 447 human P. vivax strains and 19 ape P. vivax-like strains collected worldwide. Phylogenetic relationships between human and ape Plasmodium strains revealed that P. vivax is a sister clade of P. vivax-like, not included within the radiation of P. vivax-like By investigating various aspects of P. vivax genetic variation, we identified several notable geographical patterns in summary statistics in function of the increasing geographic distance from Southeast Asia, suggesting that P. vivax may have derived from a single area in Asia through serial founder effects.
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Affiliation(s)
- Josquin Daron
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France.
| | - Anne Boissière
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, France
| | - Larson Boundenga
- Centre Interdisciplinaire de Recherches Médicales de Franceville, Franceville, Gabon
| | | | - Sandrine Houze
- Service de Parasitologie-mycologie CNR du Paludisme, AP-HP Hôpital Bichat, 46 rue H. Huchard, 75877 Paris Cedex 18, France
| | - Celine Arnathau
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, France
| | - Christine Sidobre
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
| | - Jean-François Trape
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
| | - Patrick Durand
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, France
| | - François Renaud
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, France
| | - Michael C Fontaine
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, France
- Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, PO Box 11103 CC, Groningen, Netherlands
| | - Franck Prugnolle
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, France
| | - Virginie Rougeron
- Laboratoire MIVEGEC (Université de Montpellier-CNRS-IRD), 34394 Montpellier, France.
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, France
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18
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Sato S. Plasmodium-a brief introduction to the parasites causing human malaria and their basic biology. J Physiol Anthropol 2021; 40:1. [PMID: 33413683 PMCID: PMC7792015 DOI: 10.1186/s40101-020-00251-9] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 12/21/2020] [Indexed: 02/07/2023] Open
Abstract
Malaria is one of the most devastating infectious diseases of humans. It is problematic clinically and economically as it prevails in poorer countries and regions, strongly hindering socioeconomic development. The causative agents of malaria are unicellular protozoan parasites belonging to the genus Plasmodium. These parasites infect not only humans but also other vertebrates, from reptiles and birds to mammals. To date, over 200 species of Plasmodium have been formally described, and each species infects a certain range of hosts. Plasmodium species that naturally infect humans and cause malaria in large areas of the world are limited to five—P. falciparum, P. vivax, P. malariae, P. ovale and P. knowlesi. The first four are specific for humans, while P. knowlesi is naturally maintained in macaque monkeys and causes zoonotic malaria widely in South East Asia. Transmission of Plasmodium species between vertebrate hosts depends on an insect vector, which is usually the mosquito. The vector is not just a carrier but the definitive host, where sexual reproduction of Plasmodium species occurs, and the parasite’s development in the insect is essential for transmission to the next vertebrate host. The range of insect species that can support the critical development of Plasmodium depends on the individual parasite species, but all five Plasmodium species causing malaria in humans are transmitted exclusively by anopheline mosquitoes. Plasmodium species have remarkable genetic flexibility which lets them adapt to alterations in the environment, giving them the potential to quickly develop resistance to therapeutics such as antimalarials and to change host specificity. In this article, selected topics involving the Plasmodium species that cause malaria in humans are reviewed.
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Affiliation(s)
- Shigeharu Sato
- Borneo Medical and Health Research Centre, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia. .,Department of Pathobiology and Medical Diagnostics, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia.
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19
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A mating-induced reproductive gene promotes Anopheles tolerance to Plasmodium falciparum infection. PLoS Pathog 2020; 16:e1008908. [PMID: 33347501 PMCID: PMC7785212 DOI: 10.1371/journal.ppat.1008908] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 01/05/2021] [Accepted: 11/11/2020] [Indexed: 01/03/2023] Open
Abstract
Anopheles mosquitoes have transmitted Plasmodium parasites for millions of years, yet it remains unclear whether they suffer fitness costs to infection. Here we report that the fecundity of virgin and mated females of two important vectors—Anopheles gambiae and Anopheles stephensi—is not affected by infection with Plasmodium falciparum, demonstrating that these human malaria parasites do not inflict this reproductive cost on their natural mosquito hosts. Additionally, parasite development is not impacted by mating status. However, in field studies using different P. falciparum isolates in Anopheles coluzzii, we find that Mating-Induced Stimulator of Oogenesis (MISO), a female reproductive gene strongly induced after mating by the sexual transfer of the steroid hormone 20-hydroxyecdysone (20E), protects females from incurring fecundity costs to infection. MISO-silenced females produce fewer eggs as they become increasingly infected with P. falciparum, while parasite development is not impacted by this gene silencing. Interestingly, previous work had shown that sexual transfer of 20E has specifically evolved in Cellia species of the Anopheles genus, driving the co-adaptation of MISO. Our data therefore suggest that evolution of male-female sexual interactions may have promoted Anopheles tolerance to P. falciparum infection in the Cellia subgenus, which comprises the most important malaria vectors. Plasmodium falciparum, the deadliest form of human malaria, is transmitted when female Anopheles mosquitoes bite people and take a blood meal in order to develop eggs. To date, it is still poorly understood whether Anopheles mosquitoes that get infected with P. falciparum suffer fitness costs. Here, we find that the number of eggs produced by Anopheles gambiae and Anopheles stephensi females is not affected by P. falciparum infection, and that the mating status of the mosquitoes does not impact the parasite. However, in field experiments infecting a related species, Anopheles coluzzii, with P. falciparum using blood from donors in Burkina Faso, we find that interfering with the expression of a gene normally triggered by the sexual transfer of the steroid hormone 20-hydroxyecdysone induces increasing costs to egg development as females become more infected with P. falciparum, with no impacts on the parasite. The results of our study suggest that pathways triggered by mating may help Anopheles prevent reproductive costs associated with P. falciparum infection, providing new insights into evolutionary strategies adopted by anophelines in the face of a longstanding association with Plasmodium parasites.
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20
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Plenderleith LJ, Liu W, Learn GH, Loy DE, Speede S, Sanz CM, Morgan DB, Bertolani P, Hart JA, Hart TB, Hahn BH, Sharp PM. Ancient Introgression between Two Ape Malaria Parasite Species. Genome Biol Evol 2020; 11:3269-3274. [PMID: 31697367 PMCID: PMC7145702 DOI: 10.1093/gbe/evz244] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2019] [Indexed: 01/13/2023] Open
Abstract
The Laverania clade comprises the human malaria parasite Plasmodium falciparum as well as at least seven additional parasite species that infect wild African apes. A recent analysis of Laverania genome sequences (Otto TD, et al. 2018. Genomes of all known members of a Plasmodium subgenus reveal paths to virulent human malaria. Nat Microbiol. 3: 687–697) reported three instances of interspecies gene transfer, one of which had previously been described. Generating gene sequences from additional ape parasites and re-examining sequencing reads generated in the Otto et al. study, we identified one of the newly described gene transfers as an assembly artifact of sequences derived from a sample coinfected by two parasite species. The second gene transfer between ancestors of two divergent chimpanzee parasite lineages was confirmed, but involved a much larger number of genes than originally described, many of which encode exported proteins that remodel, or bind to, erythrocytes. Because successful hybridization between Laverania species is very rare, it will be important to determine to what extent these gene transfers have shaped their host interactions.
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Affiliation(s)
- Lindsey J Plenderleith
- Institute of Evolutionary Biology, and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, United Kingdom
| | - Weimin Liu
- Department of Medicine, University of Pennsylvania
| | | | - Dorothy E Loy
- Department of Medicine, University of Pennsylvania.,Department of Microbiology, University of Pennsylvania
| | - Sheri Speede
- Sanaga-Yong Chimpanzee Rescue Center, International Development Association-Africa, Portland, Oregon
| | - Crickette M Sanz
- Department of Anthropology, Washington University in St. Louis.,Wildlife Conservation Society, Congo Program, Brazzaville, Republic of the Congo
| | - David B Morgan
- Wildlife Conservation Society, Congo Program, Brazzaville, Republic of the Congo.,Lester E. Fisher Center for the Study and Conservation of Apes, Lincoln Park Zoo, Chicago, Illinois
| | - Paco Bertolani
- Leverhulme Centre for Human Evolutionary Studies, University of Cambridge, Cambridge, United Kingdom
| | - John A Hart
- Lukuru Wildlife Research Foundation, Tshuapa-Lomami-Lualaba Project, Kinshasa, Democratic Republic of the Congo
| | - Terese B Hart
- Lukuru Wildlife Research Foundation, Tshuapa-Lomami-Lualaba Project, Kinshasa, Democratic Republic of the Congo
| | - Beatrice H Hahn
- Department of Medicine, University of Pennsylvania.,Department of Microbiology, University of Pennsylvania
| | - Paul M Sharp
- Institute of Evolutionary Biology, and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, United Kingdom
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21
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Bakker JW, Loy DE, Takken W, Hahn BH, Verhulst NO. Attraction of mosquitoes to primate odours and implications for zoonotic Plasmodium transmission. MEDICAL AND VETERINARY ENTOMOLOGY 2020; 34:17-26. [PMID: 31420992 PMCID: PMC7002228 DOI: 10.1111/mve.12402] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/18/2019] [Accepted: 07/24/2019] [Indexed: 05/05/2023]
Abstract
Vector-borne diseases often originate from wildlife and can spill over into the human population. One of the most important determinants of vector-borne disease transmission is the host preference of mosquitoes. Mosquitoes with a specialised host preference are guided by body odours to find their hosts in addition to carbon dioxide. Little is known about the role of mosquito host preference in the spillover of pathogenic agents from humans towards animals and vice versa. In the Republic of Congo, the attraction of mosquitoes to primate host odours was determined, as well as their possible role as malaria vectors, using odour-baited traps mimicking the potential hosts of mosquitoes. Most of the mosquito species caught showed a generalistic host preference. Anopheles obscurus was the most abundant Anopheles mosquito, with a generalistic host preference observed from the olfactory response and the detection of various Plasmodium parasites. Interestingly, Culex decens showed a much higher attraction towards chimpanzee odours than to human or cow odours. Human Plasmodium parasites were observed in both human and chimpanzee blood, although not in the Anopheles mosquitoes that were collected. Understanding the role of mosquito host preference for cross-species parasite transmission provides information that will help to determine the risk of spillover of vector-borne diseases.
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Affiliation(s)
- J. W. Bakker
- Laboratory of EntomologyWageningen University & ResearchWageningenThe Netherlands
| | - D. E. Loy
- Departments of Medicine and Microbiology, Perelman School of MedicineUniversity of PennsylvaniaPhiladelphiaPAU.S.A.
| | - W. Takken
- Laboratory of EntomologyWageningen University & ResearchWageningenThe Netherlands
| | - B. H. Hahn
- Departments of Medicine and Microbiology, Perelman School of MedicineUniversity of PennsylvaniaPhiladelphiaPAU.S.A.
| | - N. O. Verhulst
- Laboratory of EntomologyWageningen University & ResearchWageningenThe Netherlands
- National Centre for Vector Entomology, Institute of Parasitology, Vetsuisse FacultyUniversity of ZurichZurichSwitzerland
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22
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Abstract
Malaria is a vector-borne disease that involves multiple parasite species in a variety of ecological settings. However, the parasite species causing the disease, the prevalence of subclinical infections, the emergence of drug resistance, the scale-up of interventions, and the ecological factors affecting malaria transmission, among others, are aspects that vary across areas where malaria is endemic. Such complexities have propelled the study of parasite genetic diversity patterns in the context of epidemiologic investigations. Importantly, molecular studies indicate that the time and spatial distribution of malaria cases reflect epidemiologic processes that cannot be fully understood without characterizing the evolutionary forces shaping parasite population genetic patterns. Although broad in scope, this review in the Microbiology Spectrum Curated Collection: Advances in Molecular Epidemiology highlights the need for understanding population genetic concepts when interpreting parasite molecular data. First, we discuss malaria complexity in terms of the parasite species involved. Second, we describe how molecular data are changing our understanding of malaria incidence and infectiousness. Third, we compare different approaches to generate parasite genetic information in the context of epidemiologically relevant questions related to malaria control. Finally, we describe a few Plasmodium genomic studies as evidence of how these approaches will provide new insights into the malaria disease dynamics. *This article is part of a curated collection.
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23
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Peters MK, Classen A, Müller J, Steffan-Dewenter I. Increasing the phylogenetic coverage for understanding broad-scale diversity gradients. Oecologia 2020; 192:629-639. [PMID: 32052181 PMCID: PMC7058593 DOI: 10.1007/s00442-020-04615-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 01/30/2020] [Indexed: 11/06/2022]
Abstract
Despite decades of scientific effort, there is still no consensus on the determinants of broad-scale gradients of animal diversity. We argue that general drivers of diversity are unlikely to be found among the narrowly defined taxa which are typically analyzed in studies of broad-scale diversity gradients because ecological niches evolve largely conservatively. This causes constraints in the use of available niche space leading to systematic differences in diversity gradients among taxa. We instead advocate studies of phylogenetically diverse animal communities along broad environmental gradients. Such multi-taxa communities are less constrained in resource use and diversification and may be better targets for testing major classical hypotheses on diversity gradients. Besides increasing the spatial scale in analyses, expanding the phylogenetic coverage may be a second way to achieve higher levels of generality in studies of broad-scale diversity gradients.
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Affiliation(s)
- Marcell K Peters
- Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany.
| | - Alice Classen
- Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Jörg Müller
- Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany.,Bavarian Forest National Park, Freyunger Str. 2, 94481, Grafenau, Germany
| | - Ingolf Steffan-Dewenter
- Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
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24
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Molina-Cruz A, Canepa GE, Alves E Silva TL, Williams AE, Nagyal S, Yenkoidiok-Douti L, Nagata BM, Calvo E, Andersen J, Boulanger MJ, Barillas-Mury C. Plasmodium falciparum evades immunity of anopheline mosquitoes by interacting with a Pfs47 midgut receptor. Proc Natl Acad Sci U S A 2020; 117:2597-2605. [PMID: 31969456 PMCID: PMC7007573 DOI: 10.1073/pnas.1917042117] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The surface protein Pfs47 allows Plasmodium falciparum parasites to survive and be transmitted by making them "undetectable" to the mosquito immune system. P. falciparum parasites express Pfs47 haplotypes compatible with their sympatric vectors, while those with incompatible haplotypes are eliminated by the mosquito. We proposed that Pfs47 serves as a "key" that mediates immune evasion by interacting with a mosquito receptor "the lock," which differs in evolutionarily divergent anopheline mosquitoes. Recombinant Pfs47 (rPfs47) was used to identify the mosquito Pfs47 receptor protein (P47Rec) using far-Western analysis. rPfs47 bound to a single 31-kDa band and the identity of this protein was determined by mass spectrometry. The mosquito P47Rec has two natterin-like domains and binds to Pfs47 with high affinity (17 to 32 nM). P47Rec is a highly conserved protein with submicrovillar localization in midgut cells. It has structural homology to a cytoskeleton-interacting protein and accumulates at the site of ookinete invasion. Silencing P47Rec expression reduced P. falciparum infection, indicating that the interaction of Pfs47 with the receptor is critical for parasite survival. The binding specificity of P47Rec from distant anophelines (Anopheles gambiae, Anopheles dirus, and Anopheles albimanus) with Pfs47-Africa (GB4) and Pfs47-South America (7G8) haplotypes was evaluated, and it is in agreement with the previously documented compatibility between P. falciparum parasites expressing different Pfs47 haplotypes and these three anopheline species. Our findings give further support to the role of Pfs47 in the adaptation of P. falciparum to different vectors.
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Affiliation(s)
- Alvaro Molina-Cruz
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852;
| | - Gaspar E Canepa
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Thiago Luiz Alves E Silva
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Adeline E Williams
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Simardeep Nagyal
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Lampouguin Yenkoidiok-Douti
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Bianca M Nagata
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Eric Calvo
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - John Andersen
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Martin J Boulanger
- Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Carolina Barillas-Mury
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852;
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25
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Galaway F, Yu R, Constantinou A, Prugnolle F, Wright GJ. Resurrection of the ancestral RH5 invasion ligand provides a molecular explanation for the origin of P. falciparum malaria in humans. PLoS Biol 2019; 17:e3000490. [PMID: 31613878 PMCID: PMC6793842 DOI: 10.1371/journal.pbio.3000490] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 09/12/2019] [Indexed: 01/01/2023] Open
Abstract
Many important infectious diseases are the result of zoonoses, in which pathogens that normally infect animals acquire mutations that enable the breaching of species barriers to permit the infection of humans. Our understanding of the molecular events that enable host switching are often limited, and yet this is a fundamentally important question. Plasmodium falciparum, the etiological agent of severe human malaria, evolved following a zoonotic transfer of parasites from gorillas. One gene—rh5—which encodes an essential ligand for the invasion of host erythrocytes, is suspected to have played a critical role in this host switch. Genome comparisons revealed an introgressed sequence in the ancestor of P. falciparum containing rh5, which likely allowed the ancestral parasites to infect both gorilla and human erythrocytes. To test this hypothesis, we resurrected the ancestral introgressed reticulocyte-binding protein homologue 5 (RH5) sequence and used quantitative protein interaction assays to demonstrate that this ancestral protein could bind the basigin receptor from both humans and gorillas. We also showed that this promiscuous receptor binding phenotype of RH5 was shared with the parasite clade that transferred its genome segment to the ancestor of P. falciparum, while the other lineages exhibit host-specific receptor binding, confirming the central importance of this introgression event for Plasmodium host switching. Finally, since its transfer to humans, P. falciparum, and also the RH5 ligand, have evolved a strong human specificity. We show that this subsequent restriction to humans can be attributed to a single amino acid mutation in the RH5 sequence. Our findings reveal a molecular pathway for the origin and evolution of human P. falciparum malaria and may inform molecular surveillance to predict future zoonoses. This study reveals a molecular pathway by which Plasmodium falciparum malaria arose via zoonotic transfer from gorillas by comparing the host receptor binding properties of extant and “resurrected” ancestral versions of the parasite’s erythrocyte invasion ligand RH5.
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Affiliation(s)
- Francis Galaway
- Cell Surface Signalling Laboratory, Wellcome Sanger Institute, Cambridge, United Kingdom
| | - Ryan Yu
- Cell Surface Signalling Laboratory, Wellcome Sanger Institute, Cambridge, United Kingdom
| | - Anastasia Constantinou
- Cell Surface Signalling Laboratory, Wellcome Sanger Institute, Cambridge, United Kingdom
| | - Franck Prugnolle
- Laboratoire MIVEGEC, Univ Montpellier, UMR CNRS 5290-IRD224-UM, Montpellier, France
- * E-mail: (GJW); (FP)
| | - Gavin J. Wright
- Cell Surface Signalling Laboratory, Wellcome Sanger Institute, Cambridge, United Kingdom
- * E-mail: (GJW); (FP)
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26
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Barrón MG, Paupy C, Rahola N, Akone-Ella O, Ngangue MF, Wilson-Bahun TA, Pombi M, Kengne P, Costantini C, Simard F, González J, Ayala D. A new species in the major malaria vector complex sheds light on reticulated species evolution. Sci Rep 2019; 9:14753. [PMID: 31611571 PMCID: PMC6791875 DOI: 10.1038/s41598-019-49065-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 08/14/2019] [Indexed: 12/31/2022] Open
Abstract
Complexes of closely related species provide key insights into the rapid and independent evolution of adaptive traits. Here, we described and studied Anopheles fontenillei sp.n., a new species in the Anopheles gambiae complex that we recently discovered in the forested areas of Gabon, Central Africa. Our analysis placed the new taxon in the phylogenetic tree of the An. gambiae complex, revealing important introgression events with other members of the complex. Particularly, we detected recent introgression, with Anopheles gambiae and Anopheles coluzzii, of genes directly involved in vectorial capacity. Moreover, genome analysis of the new species allowed us to clarify the evolutionary history of the 3La inversion. Overall, An. fontenillei sp.n. analysis improved our understanding of the relationship between species within the An. gambiae complex, and provided insight into the evolution of vectorial capacity traits that are relevant for the successful control of malaria in Africa.
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Affiliation(s)
| | | | - Nil Rahola
- MIVEGEC, IRD, CNRS, Univ. Montpellier, Montpellier, France.,CIRMF, Franceville, Gabon
| | | | | | | | | | - Pierre Kengne
- MIVEGEC, IRD, CNRS, Univ. Montpellier, Montpellier, France
| | | | | | | | - Diego Ayala
- MIVEGEC, IRD, CNRS, Univ. Montpellier, Montpellier, France. .,CIRMF, Franceville, Gabon.
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27
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Ayala D, Akone‐Ella O, Rahola N, Kengne P, Ngangue MF, Mezeme F, Makanga BK, Nigg M, Costantini C, Simard F, Prugnolle F, Roche B, Duron O, Paupy C. Natural Wolbachia infections are common in the major malaria vectors in Central Africa. Evol Appl 2019; 12:1583-1594. [PMID: 31462916 PMCID: PMC6708434 DOI: 10.1111/eva.12804] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/18/2019] [Accepted: 03/07/2019] [Indexed: 02/07/2023] Open
Abstract
During the last decade, the endosymbiont bacterium Wolbachia has emerged as a biological tool for vector disease control. However, for long time, it was believed that Wolbachia was absent in natural populations of Anopheles. The recent discovery that species within the Anopheles gambiae complex host Wolbachia in natural conditions has opened new opportunities for malaria control research in Africa. Here, we investigated the prevalence and diversity of Wolbachia infection in 25 African Anopheles species in Gabon (Central Africa). Our results revealed the presence of Wolbachia in 16 of these species, including the major malaria vectors in this area. The infection prevalence varied greatly among species, confirming that sample size is a key factor to detect the infection. Moreover, our sequencing and phylogenetic analyses showed the important diversity of Wolbachia strains that infect Anopheles. Co-evolutionary analysis unveiled patterns of Wolbachia transmission within some Anopheles species, suggesting that past independent acquisition events were followed by co-cladogenesis. The large diversity of Wolbachia strains that infect natural populations of Anopheles offers a promising opportunity to select suitable phenotypes for suppressing Plasmodium transmission and/or manipulating Anopheles reproduction, which in turn could be used to reduce the malaria burden in Africa.
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Affiliation(s)
- Diego Ayala
- MIVEGEC, IRD, CNRSUniversité de MontpellierMontpellierFrance
- CIRMFFrancevilleGabon
| | | | - Nil Rahola
- MIVEGEC, IRD, CNRSUniversité de MontpellierMontpellierFrance
- CIRMFFrancevilleGabon
| | - Pierre Kengne
- MIVEGEC, IRD, CNRSUniversité de MontpellierMontpellierFrance
- CIRMFFrancevilleGabon
| | | | | | | | - Martha Nigg
- MIVEGEC, IRD, CNRSUniversité de MontpellierMontpellierFrance
- CIRMFFrancevilleGabon
| | | | - Frédéric Simard
- MIVEGEC, IRD, CNRSUniversité de MontpellierMontpellierFrance
| | | | - Benjamin Roche
- MIVEGEC, IRD, CNRSUniversité de MontpellierMontpellierFrance
- UMMISCO, IRDMontpellierFrance
| | - Olivier Duron
- MIVEGEC, IRD, CNRSUniversité de MontpellierMontpellierFrance
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Rondón S, León C, Link A, González C. Prevalence of Plasmodium parasites in non-human primates and mosquitoes in areas with different degrees of fragmentation in Colombia. Malar J 2019; 18:276. [PMID: 31426810 PMCID: PMC6700793 DOI: 10.1186/s12936-019-2910-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 08/12/2019] [Indexed: 01/07/2023] Open
Abstract
Background Parasites from the genus Plasmodium, the aetiological agent of malaria in humans, can also infect non-human primates (NHP), increasing the potential risk of zoonotic transmission with its associated global public health concerns. In Colombia, there are no recent studies on Plasmodium spp. infecting free-ranging NHP. Thus, this study aimed to determine the diversity of Plasmodium species circulating in fragmented forests in central Colombia, both in Anopheles mosquitoes and in the four sympatric NHP in the region (Ateles hybridus, Cebus versicolor, Alouatta seniculus and Aotus griseimembra), in order to evaluate the risk of infection to humans associated with the presence of sylvatic hosts and vectors infected with Plasmodium spp. Methods Overall, there were collected 166 fecal samples and 25 blood samples from NHP, and 442 individuals of Anopheles spp. DNA extraction, nested PCR using mitochondrial (cox3 gene) and ribosomal (18S rDNA) primers, electrophoresis and sequencing were conducted in order to identify Plasmodium spp. from the samples. Results Plasmodium falciparum was detected in two fecal samples of Alouatta seniculus, while Plasmodium vivax/simium infected Ateles hybridus, Cebus versicolor and Alouatta seniculus. Co-infections with P. vivax/simium and Plasmodium malariae/brasilianum were found in three individuals. The highest prevalence from blood samples was found for Plasmodium malariae/brasilianum in two Alouatta seniculus while Plasmodium vivax/simium was most prevalent in fecal samples, infecting four individuals of Alouatta seniculus. Seven Anopheles species were identified in the study site: Anopheles (Anopheles) punctimacula, Anopheles (An.) malefactor, Anopheles (Nyssorhynchus) oswaldoi, Anopheles (Nys.) triannulatus, Anopheles (An.) neomaculipalpus, Anopheles (Nys.) braziliensis and Anopheles (Nys.) nuneztovari. Infection with P. vivax/simium was found in An. nuneztovari, An. neomaculipalpus, and An. triannulatus. Furthermore, An. oswaldoi and An. triannulatus were found infected with P. malariae/brasilianum. The effect of fragmentation and distance to the nearest town measured in five forests with different degrees of fragmentation was not statistically significant on the prevalence of Plasmodium in NHP, but forest fragmentation did have an effect on the Minimum Infection Rate (MIR) in Anopheles mosquitoes. Conclusions The presence of Plasmodium spp. in NHP and Anopheles spp. in fragmented forests in Colombia has important epidemiological implications in the human–NHP interface and the associated risk of malaria transmission.
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Affiliation(s)
- Silvia Rondón
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Cra. 1 N° 18ª-12, Bogotá, Colombia.
| | - Cielo León
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Cra. 1 N° 18ª-12, Bogotá, Colombia
| | - Andrés Link
- Laboratorio de Ecología de Bosques Tropicales y Primatología, Departamento de Ciencias Biológicas, Universidad de Los Andes, Cra. 1 N° 18ª-12, Bogotá, Colombia.,Fundación Proyecto Primates, Cra. 11a N° 91-55, Apartamento 202, Bogotá, Colombia
| | - Camila González
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Cra. 1 N° 18ª-12, Bogotá, Colombia
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Rodent malaria in Gabon: Diversity and host range. INTERNATIONAL JOURNAL FOR PARASITOLOGY-PARASITES AND WILDLIFE 2019; 10:117-124. [PMID: 31453086 PMCID: PMC6702409 DOI: 10.1016/j.ijppaw.2019.07.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 07/26/2019] [Accepted: 07/27/2019] [Indexed: 12/26/2022]
Abstract
Malaria parasites infect a wide range of vertebrate hosts, such as reptiles, birds and mammals (i.e., primates, ungulates, bats, and rodents). Four Plasmodium species and their subspecies infect African Muridae. Since their discoveries in the 1940s, these rodent Plasmodium species have served as biological models to explore many aspects of the biology of malaria agents and their interactions with their hosts. Despite that, surprisingly, little is known about their ecology, natural history and evolution. Most field studies on these parasites, performed from the 1940s to the early 1980s, showed that all rodent Plasmodium species infect only one main host species, the thicket rat. In the present study, we re-explored the diversity of Plasmodium parasites infecting rodent species living in peridomestic habitats in Gabon, Central Africa. Using molecular approaches, we found that at least two Plasmodium species (Plasmodium vinckei and Plasmodium yoelii) circulated among five rodent species (including the invasive species Mus musculus). This suggests that the host range of these parasites might be larger than previously considered. Our results also showed that the diversity of these parasites could be higher than currently recognized, with the discovery of a new phylogenetic lineage that could represent a new species of rodent Plasmodium. Circulation of at least two Plasmodium species in multiple rodent species in Gabon. African rodent Plasmodium host range is higher than previously recognized. Existence of a potentially new Plasmodium species (Plasmodium sp GAB), closely related to Plasmodium yoelii.
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Jeffries CL, Lawrence GG, Golovko G, Kristan M, Orsborne J, Spence K, Hurn E, Bandibabone J, Tantely LM, Raharimalala FN, Keita K, Camara D, Barry Y, Wat'senga F, Manzambi EZ, Afrane YA, Mohammed AR, Abeku TA, Hedge S, Khanipov K, Pimenova M, Fofanov Y, Boyer S, Irish SR, Hughes GL, Walker T. Novel Wolbachia strains in Anopheles malaria vectors from Sub-Saharan Africa. Wellcome Open Res 2018; 3:113. [PMID: 30483601 PMCID: PMC6234743 DOI: 10.12688/wellcomeopenres.14765.2] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2018] [Indexed: 12/31/2022] Open
Abstract
Background: Wolbachia, a common insect endosymbiotic bacterium that can influence pathogen transmission and manipulate host reproduction, has historically been considered absent from the Anopheles (An.) genera, but has recently been found in An. gambiae s.l. populations in West Africa. As there are numerous Anopheles species that have the capacity to transmit malaria, we analysed a range of species across five malaria endemic countries to determine Wolbachia prevalence rates, characterise novel Wolbachia strains and determine any correlation between the presence of Plasmodium, Wolbachia and the competing bacterium Asaia. Methods: Anopheles adult mosquitoes were collected from five malaria-endemic countries: Guinea, Democratic Republic of the Congo (DRC), Ghana, Uganda and Madagascar, between 2013 and 2017. Molecular analysis was undertaken using quantitative PCR, Sanger sequencing, Wolbachia multilocus sequence typing (MLST) and high-throughput amplicon sequencing of the bacterial 16S rRNA gene. Results: Novel Wolbachia strains were discovered in five species: An. coluzzii, An. gambiae s.s., An. arabiensis, An. moucheti and An. species A, increasing the number of Anopheles species known to be naturally infected. Variable prevalence rates in different locations were observed and novel strains were phylogenetically diverse, clustering with Wolbachia supergroup B strains. We also provide evidence for resident strain variants within An. species A. Wolbachia is the dominant member of the microbiome in An. moucheti and An. species A but present at lower densities in An. coluzzii. Interestingly, no evidence of Wolbachia/Asaia co-infections was seen and Asaia infection densities were shown to be variable and location dependent. Conclusions: The important discovery of novel Wolbachia strains in Anopheles provides greater insight into the prevalence of resident Wolbachia strains in diverse malaria vectors. Novel Wolbachia strains (particularly high-density strains) are ideal candidate strains for transinfection to create stable infections in other Anopheles mosquito species, which could be used for population replacement or suppression control strategies.
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Affiliation(s)
- Claire L Jeffries
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, WC1E 7HT, UK
| | - Gena G Lawrence
- Entomology Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, 30033, USA
| | - George Golovko
- Department of Pharmacology and Toxicology, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Mojca Kristan
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, WC1E 7HT, UK
| | - James Orsborne
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, WC1E 7HT, UK
| | - Kirstin Spence
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, WC1E 7HT, UK
| | - Eliot Hurn
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, WC1E 7HT, UK
| | - Janvier Bandibabone
- Laboratoire d'entomologie médicale et parasitologie, Centre de Recherche en Sciences Naturelles (CRSN/LWIRO), Sud-Kivu, Congo, Democratic Republic
| | - Luciano M Tantely
- Unité d'Entomologie Médicale, Institut Pasteur de Madagascar, Antananarivo, Madagascar
| | - Fara N Raharimalala
- Unité d'Entomologie Médicale, Institut Pasteur de Madagascar, Antananarivo, Madagascar
| | - Kalil Keita
- Nationale de Lutte contre le Paludisme, Ministere de la Sante, Conakry, Guinea
| | - Denka Camara
- Nationale de Lutte contre le Paludisme, Ministere de la Sante, Conakry, Guinea
| | - Yaya Barry
- Nationale de Lutte contre le Paludisme, Ministere de la Sante, Conakry, Guinea
| | - Francis Wat'senga
- National Institute of Biomedical Research, Kinshasa, Congo, Democratic Republic
| | - Emile Z Manzambi
- National Institute of Biomedical Research, Kinshasa, Congo, Democratic Republic
| | - Yaw A Afrane
- Department of Medical Microbiology, University of Ghana, Accra, Ghana
| | - Abdul R Mohammed
- Department of Medical Microbiology, University of Ghana, Accra, Ghana
| | | | - Shivanand Hedge
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Kamil Khanipov
- Department of Pharmacology and Toxicology, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Maria Pimenova
- Department of Pharmacology and Toxicology, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Yuriy Fofanov
- Department of Pharmacology and Toxicology, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Sebastien Boyer
- Unité d'Entomologie Médicale, Institut Pasteur de Madagascar, Antananarivo, Madagascar
| | - Seth R Irish
- The US President's Malaria Initiative and Entomology Branch, Centers for Disease Control and Prevention, Atlanta, Georgia, 30329-4027, USA
| | - Grant L Hughes
- Department of Pathology, Institute for Human Infections and Immunity, Center for Tropical Diseases, Center for Biodefense and Emerging Infectious Disease, University of Texas Medical Branch, Galveston, Texas, USA
| | - Thomas Walker
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, WC1E 7HT, UK
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Jeffries CL, Lawrence GG, Golovko G, Kristan M, Orsborne J, Spence K, Hurn E, Bandibabone J, Tantely LM, Raharimalala FN, Keita K, Camara D, Barry Y, Wat’senga F, Manzambi EZ, Afrane YA, Mohammed AR, Abeku TA, Hedge S, Khanipov K, Pimenova M, Fofanov Y, Boyer S, Irish SR, Hughes GL, Walker T. Novel Wolbachia strains in Anopheles malaria vectors from Sub-Saharan Africa. Wellcome Open Res 2018; 3:113. [DOI: 10.12688/wellcomeopenres.14765.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2018] [Indexed: 01/09/2023] Open
Abstract
Background: Wolbachia, a common insect endosymbiotic bacterium that can influence pathogen transmission and manipulate host reproduction, has historically been considered absent from the Anopheles (An.) genera, but has recently been found in An. gambiae s.l. populations. As there are numerous Anopheles species that have the capacity to transmit malaria, we analysed a range of species to determine Wolbachia prevalence rates, characterise novel Wolbachia strains and determine any correlation between the presence of Plasmodium, Wolbachia and the competing endosymbiotic bacterium Asaia. Methods: Anopheles adult mosquitoes were collected from five malaria-endemic countries: Guinea, Democratic Republic of the Congo (DRC), Ghana, Uganda and Madagascar, between 2013 and 2017. Molecular analysis of samples was undertaken using quantitative PCR, Sanger sequencing, Wolbachia multilocus sequence typing (MLST) and high-throughput amplicon sequencing of the bacterial 16S rRNA gene. Results: Novel Wolbachia strains were discovered in five species: An. coluzzii, An. gambiae s.s., An. arabiensis, An. moucheti and An. species ‘A’, increasing the number of Anopheles species known to be naturally infected. Variable prevalence rates in different locations were observed and novel strains were phylogenetically diverse, clustering with Wolbachia supergroup B strains. We also provide evidence for resident strain variants within An. species ‘A’. Wolbachia is the dominant member of the microbiome in An. moucheti and An. species ‘A’, but present at lower densities in An. coluzzii. Interestingly, no evidence of Wolbachia/Asaia co-infections was seen and Asaia infection densities were also shown to be variable and location dependent. Conclusions: The important discovery of novel Wolbachia strains in Anopheles provides greater insight into the prevalence of resident Wolbachia strains in diverse malaria vectors. Novel Wolbachia strains (particularly high-density strains) are ideal candidate strains for transinfection to create stable infections in other Anopheles mosquito species, which could be used for population replacement or suppression control strategies.
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Gilabert A, Otto TD, Rutledge GG, Franzon B, Ollomo B, Arnathau C, Durand P, Moukodoum ND, Okouga AP, Ngoubangoye B, Makanga B, Boundenga L, Paupy C, Renaud F, Prugnolle F, Rougeron V. Plasmodium vivax-like genome sequences shed new insights into Plasmodium vivax biology and evolution. PLoS Biol 2018; 16:e2006035. [PMID: 30142149 PMCID: PMC6130868 DOI: 10.1371/journal.pbio.2006035] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 09/10/2018] [Accepted: 08/07/2018] [Indexed: 12/17/2022] Open
Abstract
Although Plasmodium vivax is responsible for the majority of malaria infections outside Africa, little is known about its evolution and pathway to humans. Its closest genetic relative, P. vivax-like, was discovered in African great apes and is hypothesized to have given rise to P. vivax in humans. To unravel the evolutionary history and adaptation of P. vivax to different host environments, we generated using long- and short-read sequence technologies 2 new P. vivax-like reference genomes and 9 additional P. vivax-like genotypes. Analyses show that the genomes of P. vivax and P. vivax-like are highly similar and colinear within the core regions. Phylogenetic analyses clearly show that P. vivax-like parasites form a genetically distinct clade from P. vivax. Concerning the relative divergence dating, we show that the evolution of P. vivax in humans did not occur at the same time as the other agents of human malaria, thus suggesting that the transfer of Plasmodium parasites to humans happened several times independently over the history of the Homo genus. We further identify several key genes that exhibit signatures of positive selection exclusively in the human P. vivax parasites. Two of these genes have been identified to also be under positive selection in the other main human malaria agent, P. falciparum, thus suggesting their key role in the evolution of the ability of these parasites to infect humans or their anthropophilic vectors. Finally, we demonstrate that some gene families important for red blood cell (RBC) invasion (a key step of the life cycle of these parasites) have undergone lineage-specific evolution in the human parasite (e.g., reticulocyte-binding proteins [RBPs]).
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Affiliation(s)
- Aude Gilabert
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
| | - Thomas D. Otto
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Cambridge, United Kingdom
- Institute of Infection, Immunity and Inflammation, University of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom
| | - Gavin G. Rutledge
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Cambridge, United Kingdom
| | - Blaise Franzon
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
| | - Benjamin Ollomo
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - Céline Arnathau
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
| | - Patrick Durand
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
| | - Nancy D. Moukodoum
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - Alain-Prince Okouga
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | | | - Boris Makanga
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - Larson Boundenga
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - Christophe Paupy
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - François Renaud
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
| | - Franck Prugnolle
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - Virginie Rougeron
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
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Otto TD, Gilabert A, Crellen T, Böhme U, Arnathau C, Sanders M, Oyola SO, Okouga AP, Boundenga L, Willaume E, Ngoubangoye B, Moukodoum ND, Paupy C, Durand P, Rougeron V, Ollomo B, Renaud F, Newbold C, Berriman M, Prugnolle F. Genomes of all known members of a Plasmodium subgenus reveal paths to virulent human malaria. Nat Microbiol 2018; 3:687-697. [PMID: 29784978 PMCID: PMC5985962 DOI: 10.1038/s41564-018-0162-2] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 04/16/2018] [Indexed: 11/08/2022]
Abstract
Plasmodium falciparum, the most virulent agent of human malaria, shares a recent common ancestor with the gorilla parasite Plasmodium praefalciparum. Little is known about the other gorilla- and chimpanzee-infecting species in the same (Laverania) subgenus as P. falciparum, but none of them are capable of establishing repeated infection and transmission in humans. To elucidate underlying mechanisms and the evolutionary history of this subgenus, we have generated multiple genomes from all known Laverania species. The completeness of our dataset allows us to conclude that interspecific gene transfers, as well as convergent evolution, were important in the evolution of these species. Striking copy number and structural variations were observed within gene families and one, stevor, shows a host-specific sequence pattern. The complete genome sequence of the closest ancestor of P. falciparum enables us to estimate the timing of the beginning of speciation to be 40,000-60,000 years ago followed by a population bottleneck around 4,000-6,000 years ago. Our data allow us also to search in detail for the features of P. falciparum that made it the only member of the Laverania able to infect and spread in humans.
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Affiliation(s)
- Thomas D. Otto
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, United Kingdom
| | - Aude Gilabert
- Laboratoire MIVEGEC, UMR 5290-224 CNRS 5290-IRD 224-UM, Montpellier, France
| | - Thomas Crellen
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, United Kingdom
- Department of Infectious Disease Epidemiology, Imperial College London, St Mary’s Campus, Norfolk Place, London W2 1PG, United Kingdom
| | - Ulrike Böhme
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, United Kingdom
| | - Céline Arnathau
- Laboratoire MIVEGEC, UMR 5290-224 CNRS 5290-IRD 224-UM, Montpellier, France
| | - Mandy Sanders
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, United Kingdom
| | - Samuel O. Oyola
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, United Kingdom
| | - Alain Prince Okouga
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - Larson Boundenga
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | | | | | | | - Christophe Paupy
- Laboratoire MIVEGEC, UMR 5290-224 CNRS 5290-IRD 224-UM, Montpellier, France
| | - Patrick Durand
- Laboratoire MIVEGEC, UMR 5290-224 CNRS 5290-IRD 224-UM, Montpellier, France
| | - Virginie Rougeron
- Laboratoire MIVEGEC, UMR 5290-224 CNRS 5290-IRD 224-UM, Montpellier, France
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - Benjamin Ollomo
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
| | - François Renaud
- Laboratoire MIVEGEC, UMR 5290-224 CNRS 5290-IRD 224-UM, Montpellier, France
| | - Chris Newbold
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, United Kingdom
- Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DS, United Kingdom
| | - Matthew Berriman
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, United Kingdom
| | - Franck Prugnolle
- Laboratoire MIVEGEC, UMR 5290-224 CNRS 5290-IRD 224-UM, Montpellier, France
- Centre International de Recherches Médicales de Franceville, Franceville, Gabon
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Nada Raja T, Hu TH, Zainudin R, Lee KS, Perkins SL, Singh B. Malaria parasites of long-tailed macaques in Sarawak, Malaysian Borneo: a novel species and demographic and evolutionary histories. BMC Evol Biol 2018; 18:49. [PMID: 29636003 PMCID: PMC5894161 DOI: 10.1186/s12862-018-1170-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 03/27/2018] [Indexed: 12/28/2022] Open
Abstract
Background Non-human primates have long been identified to harbour different species of Plasmodium. Long-tailed macaques (Macaca fascicularis), in particular, are reservoirs for P. knowlesi, P. inui, P. cynomolgi, P. coatneyi and P. fieldi. A previous study conducted in Sarawak, Malaysian Borneo, however revealed that long-tailed macaques could potentially harbour novel species of Plasmodium based on sequences of small subunit ribosomal RNA and circumsporozoite genes. To further validate this finding, the mitochondrial genome and the apicoplast caseinolytic protease M genes of Plasmodium spp. were sequenced from 43 long-tailed macaque blood samples. Results Apart from several named species of malaria parasites, long-tailed macaques were found to be potentially infected with novel species of Plasmodium, namely one we refer to as “P. inui-like.” This group of parasites bifurcated into two monophyletic clades indicating the presence of two distinct sub-populations. Further analyses, which relied on the assumption of strict co-phylogeny between hosts and parasites, estimated a population expansion event of between 150,000 to 250,000 years before present of one of these sub-populations that preceded that of the expansion of P. knowlesi. Furthermore, both sub-populations were found to have diverged from a common ancestor of P. inui approximately 1.5 million years ago. In addition, the phylogenetic analyses also demonstrated that long-tailed macaques are new hosts for P. simiovale. Conclusions Malaria infections of long-tailed macaques of Sarawak, Malaysian Borneo are complex and include a novel species of Plasmodium that is phylogenetically distinct from P. inui. These macaques are new natural hosts of P. simiovale, a species previously described only in toque monkeys (Macaca sinica) in Sri Lanka. The results suggest that ecological factors could affect the evolution of malaria parasites. Electronic supplementary material The online version of this article (10.1186/s12862-018-1170-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Thamayanthi Nada Raja
- Malaria Research Centre, Faculty of Medicine & Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia
| | - Ting Huey Hu
- Malaria Research Centre, Faculty of Medicine & Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia
| | - Ramlah Zainudin
- Malaria Research Centre, Faculty of Medicine & Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia.,Faculty of Resource Science & Technology, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia
| | - Kim Sung Lee
- Malaria Research Centre, Faculty of Medicine & Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia.,School of Life Sciences and Chemical Technology, Ngee Ann Polytechnic, Singapore, 599489, Singapore
| | - Susan L Perkins
- Sackler Institute for Comparative Genomics, American Museum of Natural History, 200 Central Park West, New York, NY, 10024, USA
| | - Balbir Singh
- Malaria Research Centre, Faculty of Medicine & Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia.
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Loy DE, Rubel MA, Avitto AN, Liu W, Li Y, Learn GH, Ranciaro A, Mbunwe E, Fokunang C, Njamnshi AK, Sharp PM, Tishkoff SA, Hahn BH. Investigating zoonotic infection barriers to ape Plasmodium parasites using faecal DNA analysis. Int J Parasitol 2018; 48:531-542. [PMID: 29476866 DOI: 10.1016/j.ijpara.2017.12.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/09/2017] [Accepted: 12/15/2017] [Indexed: 01/17/2023]
Abstract
African apes are endemically infected with numerous Plasmodium spp. including close relatives of human Plasmodium falciparum, Plasmodium vivax, Plasmodium ovale, and Plasmodium malariae. Although these ape parasites are not believed to pose a zoonotic threat, their ability to colonise humans has not been fully explored. In particular, it remains unknown whether ape parasites are able to initiate exo-erythrocytic replication in human hepatocytes following the bite of an infective mosquito. Since animal studies have shown that liver stage infection can result in the excretion of parasite nucleic acids into the bile, we screened faecal samples from 504 rural Cameroonians for Plasmodium DNA. Using pan-Laverania as well as P. malariae- and P. vivax-specific primer sets, we amplified human P. falciparum (n = 14), P. malariae (n = 1), and P. ovale wallikeri (n = 1) mitochondrial sequences from faecal DNA of 15 individuals. However, despite using an intensified PCR screening approach we failed to detect ape Laverania, ape P. vivax or ape P. malariae parasites in these same subjects. One faecal sample from a hunter-gatherer contained a sequence closely related to the porcupine parasite Plasmodium atheruri. Since this same faecal sample also contained porcupine mitochondrial DNA, but a matching blood sample was Plasmodium-negative, it is likely that this hunter-gatherer consumed Plasmodium-infected bushmeat. Faecal Plasmodium detection was not secondary to intestinal bleeding and/or infection with gastrointestinal parasites, but indicative of blood parasitaemia. Quantitative PCR identified 26-fold more parasite DNA in the blood of faecal Plasmodium-positive than faecal Plasmodium-negative individuals (P = 0.01). However, among blood-positive individuals only 10% - 20% had detectable Plasmodium sequences in their stool. Thus, faecal screening of rural Cameroonians failed to uncover abortive ape Plasmodium infections, but detected infection with human parasites, albeit with reduced sensitivity compared with blood analysis.
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Affiliation(s)
- Dorothy E Loy
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Meagan A Rubel
- Department of Anthropology, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Genetics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Alexa N Avitto
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Weimin Liu
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yingying Li
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Gerald H Learn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Alessia Ranciaro
- Department of Genetics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Eric Mbunwe
- Department of Genetics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Charles Fokunang
- Department of Pharmacotoxicology and Pharmacokinetics, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
| | - Alfred K Njamnshi
- Department of Neurology, Faculty of Medicine and Biomedical Sciences, Central Hospital Yaoundé, University of Yaoundé I, Yaoundé, Cameroon
| | - Paul M Sharp
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom
| | - Sarah A Tishkoff
- Department of Genetics, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Beatrice H Hahn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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36
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Lowenstine LJ, McManamon R, Terio KA. Apes. PATHOLOGY OF WILDLIFE AND ZOO ANIMALS 2018. [PMCID: PMC7173580 DOI: 10.1016/b978-0-12-805306-5.00015-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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37
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Liu W, Sherrill-Mix S, Learn GH, Scully EJ, Li Y, Avitto AN, Loy DE, Lauder AP, Sundararaman SA, Plenderleith LJ, Ndjango JBN, Georgiev AV, Ahuka-Mundeke S, Peeters M, Bertolani P, Dupain J, Garai C, Hart JA, Hart TB, Shaw GM, Sharp PM, Hahn BH. Wild bonobos host geographically restricted malaria parasites including a putative new Laverania species. Nat Commun 2017; 8:1635. [PMID: 29158512 PMCID: PMC5696340 DOI: 10.1038/s41467-017-01798-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 10/16/2017] [Indexed: 02/01/2023] Open
Abstract
Malaria parasites, though widespread among wild chimpanzees and gorillas, have not been detected in bonobos. Here, we show that wild-living bonobos are endemically Plasmodium infected in the eastern-most part of their range. Testing 1556 faecal samples from 11 field sites, we identify high prevalence Laverania infections in the Tshuapa-Lomami-Lualaba (TL2) area, but not at other locations across the Congo. TL2 bonobos harbour P. gaboni, formerly only found in chimpanzees, as well as a potential new species, Plasmodium lomamiensis sp. nov. Rare co-infections with non-Laverania parasites were also observed. Phylogenetic relationships among Laverania species are consistent with co-divergence with their gorilla, chimpanzee and bonobo hosts, suggesting a timescale for their evolution. The absence of Plasmodium from most field sites could not be explained by parasite seasonality, nor by bonobo population structure, diet or gut microbiota. Thus, the geographic restriction of bonobo Plasmodium reflects still unidentified factors that likely influence parasite transmission.
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Affiliation(s)
- Weimin Liu
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Scott Sherrill-Mix
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Gerald H Learn
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Erik J Scully
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA.,Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Yingying Li
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Alexa N Avitto
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Dorothy E Loy
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Abigail P Lauder
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Sesh A Sundararaman
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Lindsey J Plenderleith
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, EH9 3FL, UK
| | - Jean-Bosco N Ndjango
- Department of Ecology and Management of Plant and Animal Resources, Faculty of Sciences, University of Kisangani, BP 2012, Kisangani, Democratic Republic of the Congo
| | - Alexander V Georgiev
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA.,School of Biological Sciences, Bangor University, Bangor, LL57 2UW, UK
| | - Steve Ahuka-Mundeke
- Institut National de Recherche Biomedicale, University of Kinshasa, BP 1197, Kinshasa, Democratic Republic of the Congo
| | - Martine Peeters
- Unité Mixte Internationale 233, Institut de Recherche pour le Développement (IRD), INSERM U1175, University of Montpellier 1, BP 5045, Montpellier, 34394, France
| | - Paco Bertolani
- Leverhulme Centre for Human Evolutionary Studies, University of Cambridge, Cambridge, CB2 1QH, UK
| | - Jef Dupain
- African Wildlife Foundation Conservation Centre, P.O. Box 310, 00502, Nairobi, Kenya
| | - Cintia Garai
- Lukuru Wildlife Research Foundation, Tshuapa-Lomami-Lualaba Project, BP 2012, Kinshasa, Democratic Republic of the Congo
| | - John A Hart
- Lukuru Wildlife Research Foundation, Tshuapa-Lomami-Lualaba Project, BP 2012, Kinshasa, Democratic Republic of the Congo
| | - Terese B Hart
- Lukuru Wildlife Research Foundation, Tshuapa-Lomami-Lualaba Project, BP 2012, Kinshasa, Democratic Republic of the Congo
| | - George M Shaw
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Paul M Sharp
- Institute of Evolutionary Biology and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh, EH9 3FL, UK
| | - Beatrice H Hahn
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA. .,Department of Microbiology, University of Pennsylvania, Philadelphia, PA, 19104, USA.
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Scully EJ, Kanjee U, Duraisingh MT. Molecular interactions governing host-specificity of blood stage malaria parasites. Curr Opin Microbiol 2017; 40:21-31. [PMID: 29096194 DOI: 10.1016/j.mib.2017.10.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/04/2017] [Accepted: 10/08/2017] [Indexed: 11/18/2022]
Abstract
Non-human primates harbor diverse species of malaria parasites, including the progenitors of Plasmodium falciparum and Plasmodium vivax. Cross-species transmission of some malaria parasites-most notably the macaque parasite, Plasmodium knowlesi-continues to this day, compelling the scientific community to ask whether these zoonoses could impede malaria control efforts by acting as a source of recurrent human infection. Host-restriction varies considerably among parasite species and is governed by both ecological and molecular variables. In particular, the efficiency of red blood cell invasion constitutes a prominent barrier to zoonotic emergence. Although proteins expressed upon the erythrocyte surface exhibit considerable diversity both within and among hosts, malaria parasites have adapted to this heterogeneity via the expansion of protein families associated with invasion, offering redundant mechanisms of host cell entry. This molecular toolkit may enable some parasites to circumvent host barriers, potentially yielding host shifts upon subsequent adaptation. Recent studies have begun to elucidate the molecular determinants of host-specificity, as well as the mechanisms that malaria parasites use to overcome these restrictions. We review recent studies concerning host tropism in the context of erythrocyte invasion by focusing on three malaria parasites that span the zoonotic spectrum: P. falciparum, P. knowlesi, and P. vivax.
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Affiliation(s)
- Erik J Scully
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Ave, Cambridge, MA 02138, USA; Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, 651 Huntington Ave, Boston, MA 02115, USA
| | - Usheer Kanjee
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, 651 Huntington Ave, Boston, MA 02115, USA
| | - Manoj T Duraisingh
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, 651 Huntington Ave, Boston, MA 02115, USA.
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Makanga B, Costantini C, Rahola N, Yangari P, Rougeron V, Ayala D, Prugnolle F, Paupy C. "Show me which parasites you carry and I will tell you what you eat", or how to infer the trophic behavior of hematophagous arthropods feeding on wildlife. Ecol Evol 2017; 7:7578-7584. [PMID: 29043015 PMCID: PMC5632637 DOI: 10.1002/ece3.2769] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 11/28/2016] [Accepted: 12/21/2016] [Indexed: 01/06/2023] Open
Abstract
Most emerging infectious diseases are zoonoses originating from wildlife among which vector‐borne diseases constitute a major risk for global human health. Understanding the transmission routes of mosquito‐borne pathogens in wildlife crucially depends on recording mosquito blood‐feeding patterns. During an extensive longitudinal survey to study sylvatic anophelines in two wildlife reserves in Gabon, we collected 2,415 mosquitoes of which only 0.3% were blood‐fed. The molecular analysis of the blood meals contained in guts indicated that all the engorged mosquitoes fed on wild ungulates. This direct approach gave only limited insights into the trophic behavior of the captured mosquitoes. Therefore, we developed a complementary indirect approach that exploits the occurrence of natural infections by host‐specific haemosporidian parasites to infer Anopheles trophic behavior. This method showed that 74 infected individuals carried parasites of great apes (58%), ungulates (30%), rodents (11%) and bats (1%). Accordingly, on the basis of haemosporidian host specificity, we could infer different feeding patterns. Some mosquito species had a restricted host range (An. nili only fed on rodents, whereas An. carnevalei, An. coustani, An. obscurus, and An. paludis only fed on wild ungulates). Other species had a wider host range (An. gabonensis could feed on rodents and wild ungulates, whereas An. moucheti and An. vinckei bit rodents, wild ungulates and great apes). An. marshallii was the species with the largest host range (rodents, wild ungulates, great apes, and bats). The indirect method substantially increased the information that could be extracted from the sample by providing details about host‐feeding patterns of all the mosquito species collected (both fed and unfed). Molecular sequences of hematophagous arthropods and their parasites will be increasingly available in the future; exploitation of such data with the approach we propose here should provide key insights into the feeding patterns of vectors and the ecology of vector‐borne diseases.
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Affiliation(s)
- Boris Makanga
- Laboratoire MIVEGEC UMR 224-5290 CNRS-IRD-UM, IRD Montpellier France.,Centre International de Recherches Médicales de Franceville (CIRMF) Franceville Gabon.,Institut de Recherche en Écologie Tropicale (IRET) Libreville Gabon
| | - Carlo Costantini
- Laboratoire MIVEGEC UMR 224-5290 CNRS-IRD-UM, IRD Montpellier France
| | - Nil Rahola
- Laboratoire MIVEGEC UMR 224-5290 CNRS-IRD-UM, IRD Montpellier France.,Centre International de Recherches Médicales de Franceville (CIRMF) Franceville Gabon
| | - Patrick Yangari
- Centre International de Recherches Médicales de Franceville (CIRMF) Franceville Gabon
| | - Virginie Rougeron
- Laboratoire MIVEGEC UMR 224-5290 CNRS-IRD-UM, IRD Montpellier France.,Centre International de Recherches Médicales de Franceville (CIRMF) Franceville Gabon
| | - Diego Ayala
- Laboratoire MIVEGEC UMR 224-5290 CNRS-IRD-UM, IRD Montpellier France.,Centre International de Recherches Médicales de Franceville (CIRMF) Franceville Gabon
| | - Franck Prugnolle
- Laboratoire MIVEGEC UMR 224-5290 CNRS-IRD-UM, IRD Montpellier France.,Centre International de Recherches Médicales de Franceville (CIRMF) Franceville Gabon
| | - Christophe Paupy
- Laboratoire MIVEGEC UMR 224-5290 CNRS-IRD-UM, IRD Montpellier France.,Centre International de Recherches Médicales de Franceville (CIRMF) Franceville Gabon
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40
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Boundenga L, Perkins SL, Ollomo B, Rougeron V, Leroy EM, Renaud F, Prugnolle F. Haemosporidian Parasites of Reptiles and Birds from Gabon, Central Africa. J Parasitol 2017; 103:330-337. [PMID: 28509658 DOI: 10.1645/16-118] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Haemosporidian parasites are protozoans that infect many different vertebrate hosts. Re-examination of the diversity of haemosporidian parasites, using molecular tools, has generally led to rearrangements of traditional classifications. In this study, we explored the diversity of haemosporidian parasites infecting some species of reptile and birds living in the forests of Gabon, Central Africa, by analyzing a collection of 128 samples of reptiles and birds. We found that samples from 2 tortoise species (Pelusios castaneus and Kinixys erosa) and 3 bird species (Turtur afer, Ceratogymna atrata, and Agelastes niger) were infected by Haemocystidium spp. and Parahaemoproteus spp., respectively. From an ecological point of view, these lineages of parasites do not show host specificity because we have found them in several host species (2 tortoise and 3 bird species) that come from different areas of Gabon forest which are infected with these parasites. Also, our phylogenetic analyses revealed that the obtained lineages are related to isolates from other continents found in the same groups of vertebrates. Thus, our results show that haemosporidian parasites are also infecting central African vertebrates and that new lineages of these parasites are circulating in wild animals of the Gabon forest.
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Affiliation(s)
- Larson Boundenga
- Centre International de Recherche de Médicales de Franceville (CIRMF), BP: 769 Franceville, Gabon
| | - Susan L Perkins
- Centre International de Recherche de Médicales de Franceville (CIRMF), BP: 769 Franceville, Gabon
| | - Benjamin Ollomo
- Centre International de Recherche de Médicales de Franceville (CIRMF), BP: 769 Franceville, Gabon
| | - Virginie Rougeron
- Centre International de Recherche de Médicales de Franceville (CIRMF), BP: 769 Franceville, Gabon
| | - Eric M Leroy
- Centre International de Recherche de Médicales de Franceville (CIRMF), BP: 769 Franceville, Gabon
| | - François Renaud
- Centre International de Recherche de Médicales de Franceville (CIRMF), BP: 769 Franceville, Gabon
| | - Franck Prugnolle
- Centre International de Recherche de Médicales de Franceville (CIRMF), BP: 769 Franceville, Gabon
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41
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De Nys H, Löhrich T, Wu D, Calvignac-Spencer S, Leendertz F. Wild African great apes as natural hosts of malaria parasites: current knowledge and research perspectives. Primate Biol 2017; 4:47-59. [PMID: 32110692 PMCID: PMC7041518 DOI: 10.5194/pb-4-47-2017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 02/24/2017] [Indexed: 11/24/2022] Open
Abstract
Humans and African great apes (AGAs) are naturally infected with several species of closely related malaria parasites. The need to understand the origins of human malaria as well as the risk of zoonotic transmissions and emergence of new malaria strains in human populations has markedly encouraged research on great ape Plasmodium parasites. Progress in the use of non-invasive methods has rendered investigations into wild ape populations possible. Present knowledge is mainly focused on parasite diversity and phylogeny, with still large gaps to fill on malaria parasite ecology. Understanding what malaria infection means in terms of great ape health is also an important, but challenging avenue of research and has been subject to relatively few research efforts so far. This paper reviews current knowledge on African great ape malaria and identifies gaps and future research perspectives.
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Affiliation(s)
- Hélène Marie De Nys
- Project group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
- current address: UMI 233, Institut de Recherche pour le Développement (IRD), INSERM U1175, and University of Montpellier, Montpellier, France
| | - Therese Löhrich
- Project group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
| | - Doris Wu
- Project group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
| | | | - Fabian Hubertus Leendertz
- Project group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, Berlin, Germany
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42
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Molina-Cruz A, Zilversmit MM, Neafsey DE, Hartl DL, Barillas-Mury C. Mosquito Vectors and the Globalization of Plasmodium falciparum Malaria. Annu Rev Genet 2016; 50:447-465. [PMID: 27732796 DOI: 10.1146/annurev-genet-120215-035211] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Plasmodium falciparum malaria remains a devastating public health problem. Recent discoveries have shed light on the origin and evolution of Plasmodium parasites and their interactions with their vertebrate and mosquito hosts. P. falciparum malaria originated in Africa from a single horizontal transfer between an infected gorilla and a human, and became global as the result of human migration. Today, P. falciparum malaria is transmitted worldwide by more than 70 different anopheline mosquito species. Recent studies indicate that the mosquito immune system can be a barrier to malaria transmission and that the P. falciparum Pfs47 gene allows the parasite to evade mosquito immune detection. Here, we review the origin and globalization of P. falciparum and integrate this history with analysis of the biology, evolution, and dispersal of the main mosquito vectors. This new perspective broadens our understanding of P. falciparum population structure and the dispersal of important parasite genetic traits.
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Affiliation(s)
- Alvaro Molina-Cruz
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland 20852;
| | - Martine M Zilversmit
- Richard Guilder Graduate School and Sackler Institute for Comparative Genomics, American Museum of Natural History, New York, NY 10024
| | - Daniel E Neafsey
- Genome Sequencing and Analysis Program, Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142
| | - Daniel L Hartl
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138
| | - Carolina Barillas-Mury
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland 20852;
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43
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Proto WR. Unravelling the Laverania. Nat Rev Microbiol 2016; 14:478. [PMID: 27396565 DOI: 10.1038/nrmicro.2016.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
How did an ape-infecting Plasmodium species jump to a human host?
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Affiliation(s)
- William R Proto
- Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, UK
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44
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Liu W, Sundararaman SA, Loy DE, Learn GH, Li Y, Plenderleith LJ, Ndjango JBN, Speede S, Atencia R, Cox D, Shaw GM, Ayouba A, Peeters M, Rayner JC, Hahn BH, Sharp PM. Multigenomic Delineation of Plasmodium Species of the Laverania Subgenus Infecting Wild-Living Chimpanzees and Gorillas. Genome Biol Evol 2016; 8:1929-39. [PMID: 27289102 PMCID: PMC4943199 DOI: 10.1093/gbe/evw128] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2016] [Indexed: 12/15/2022] Open
Abstract
Plasmodium falciparum, the major cause of malaria morbidity and mortality worldwide, is only distantly related to other human malaria parasites and has thus been placed in a separate subgenus, termed Laverania Parasites morphologically similar to P. falciparum have been identified in African apes, but only one other Laverania species, Plasmodium reichenowi from chimpanzees, has been formally described. Although recent studies have pointed to the existence of additional Laverania species, their precise number and host associations remain uncertain, primarily because of limited sampling and a paucity of parasite sequences other than from mitochondrial DNA. To address this, we used limiting dilution polymerase chain reaction to amplify additional parasite sequences from a large number of chimpanzee and gorilla blood and fecal samples collected at two sanctuaries and 30 field sites across equatorial Africa. Phylogenetic analyses of more than 2,000 new sequences derived from the mitochondrial, nuclear, and apicoplast genomes revealed six divergent and well-supported clades within the Laverania parasite group. Although two of these clades exhibited deep subdivisions in phylogenies estimated from organelle gene sequences, these sublineages were geographically defined and not present in trees from four unlinked nuclear loci. This greatly expanded sequence data set thus confirms six, and not seven or more, ape Laverania species, of which P. reichenowi, Plasmodium gaboni, and Plasmodium billcollinsi only infect chimpanzees, whereas Plasmodium praefalciparum, Plasmodium adleri, and Pladmodium blacklocki only infect gorillas. The new sequence data also confirm the P. praefalciparum origin of human P. falciparum.
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Affiliation(s)
- Weimin Liu
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania
| | - Sesh A Sundararaman
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania Department of Microbiology, Perelman School of Medicine, University of Pennsylvania
| | - Dorothy E Loy
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania Department of Microbiology, Perelman School of Medicine, University of Pennsylvania
| | - Gerald H Learn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania
| | - Yingying Li
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania
| | - Lindsey J Plenderleith
- Institute of Evolutionary Biology, and Centre for Immunity, Infection and Evolution, University of Edinburgh, United Kingdom
| | | | - Sheri Speede
- Sanaga-Yong Chimpanzee Rescue Center, IDA-Africa, Portland, Oregon
| | - Rebeca Atencia
- Tchimpounga Chimpanzee Rehabilitation Center, Pointe-Noire, Republic of the Congo
| | - Debby Cox
- Tchimpounga Chimpanzee Rehabilitation Center, Pointe-Noire, Republic of the Congo Africa Programmes, Jane Goodall Institute, Vienna, Virginia
| | - George M Shaw
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania Department of Microbiology, Perelman School of Medicine, University of Pennsylvania
| | - Ahidjo Ayouba
- UMI 233, Institut de Recherche pour le Développement (IRD), INSERM U1175, and University of Montpellier, France
| | - Martine Peeters
- UMI 233, Institut de Recherche pour le Développement (IRD), INSERM U1175, and University of Montpellier, France
| | - Julian C Rayner
- Malaria Programme, Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Beatrice H Hahn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania Department of Microbiology, Perelman School of Medicine, University of Pennsylvania
| | - Paul M Sharp
- Institute of Evolutionary Biology, and Centre for Immunity, Infection and Evolution, University of Edinburgh, United Kingdom
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Loy DE, Liu W, Li Y, Learn GH, Plenderleith LJ, Sundararaman SA, Sharp PM, Hahn BH. Out of Africa: origins and evolution of the human malaria parasites Plasmodium falciparum and Plasmodium vivax. Int J Parasitol 2016; 47:87-97. [PMID: 27381764 DOI: 10.1016/j.ijpara.2016.05.008] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 05/25/2016] [Accepted: 05/28/2016] [Indexed: 12/22/2022]
Abstract
Plasmodium falciparum and Plasmodium vivax account for more than 95% of all human malaria infections, and thus pose a serious public health challenge. To control and potentially eliminate these pathogens, it is important to understand their origins and evolutionary history. Until recently, it was widely believed that P. falciparum had co-evolved with humans (and our ancestors) over millions of years, whilst P. vivax was assumed to have emerged in southeastern Asia following the cross-species transmission of a parasite from a macaque. However, the discovery of a multitude of Plasmodium spp. in chimpanzees and gorillas has refuted these theories and instead revealed that both P. falciparum and P. vivax evolved from parasites infecting wild-living African apes. It is now clear that P. falciparum resulted from a recent cross-species transmission of a parasite from a gorilla, whilst P. vivax emerged from an ancestral stock of parasites that infected chimpanzees, gorillas and humans in Africa, until the spread of the protective Duffy-negative mutation eliminated P. vivax from human populations there. Although many questions remain concerning the biology and zoonotic potential of the P. falciparum- and P. vivax-like parasites infecting apes, comparative genomics, coupled with functional parasite and vector studies, are likely to yield new insights into ape Plasmodium transmission and pathogenesis that are relevant to the treatment and prevention of human malaria.
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Affiliation(s)
- Dorothy E Loy
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Weimin Liu
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yingying Li
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Gerald H Learn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Lindsey J Plenderleith
- Institute of Evolutionary Biology, and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh EH9 3FL, UK
| | - Sesh A Sundararaman
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Paul M Sharp
- Institute of Evolutionary Biology, and Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh EH9 3FL, UK
| | - Beatrice H Hahn
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Mosquito vectors of ape malarias: Another piece of the puzzle. Proc Natl Acad Sci U S A 2016; 113:5153-4. [PMID: 27118843 DOI: 10.1073/pnas.1604913113] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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