Mapping the global distribution and spread of the <i>Plasmodium vivax</i> -associated virus MaRNAV-1
Abstract Matryoshka RNA virus 1 (MaRNAV-1) is a bi-segmented and single-stranded RNA virus associated with Plasmodium vivax, a cause of human malaria. Little has been uncovered about the epidemiology and ecology of this virus since its discovery in 2019. To address this, we used a combination of primary and publicly available metatranscriptomic data to map the geographic distribution and host associations of MaRNAV-1. We detected this virus throughout Southeast Asia, in parts of South America, and, for the first time, in Oceania. Despite its broad distribution, MaRNAV-1 was found exclusively in metatranscriptomes containing P. vivax, suggesting that there is a specific virus-host relationship that has shaped the evolutionary history of this virus. We were unable to estimate the emergence date of the MaRNAV-1 lineage; however, phylogeographic mapping analysis suggested that MaRNAV-1 is widely dispersed throughout Southeast Asia. Our findings have both evolutionary and public health implications and can serve as the basis for future investigations in these fields.
Authors
- Kayoko Shioda (ORCID: https://orcid.org/0000-0002-8057-8448)
- Justine Charon (ORCID: https://orcid.org/0000-0002-5602-6600)
- Mary E. Petrone (ORCID: https://orcid.org/0000-0002-3663-7535)
- Timothy William (ORCID: https://orcid.org/0000-0002-2195-6736)
- Bruce Russell
- Jacob AF Westaway (ORCID: https://orcid.org/0000-0002-5171-819X)
- Rhys H Parry (ORCID: https://orcid.org/0000-0001-9238-1952)
- Edward C Holmes (ORCID: https://orcid.org/0000-0001-9596-3552)
- Kim A Piera
- James S McCarthy
- Enny Kenangalem (ORCID: https://orcid.org/0000-0002-0481-7435)
- Ric N Price (ORCID: https://orcid.org/0000-0003-2000-2874)
- Bridget E Barber
- Matthew J Grigg
- Nicholas M Anstey
Institutions
- Boston University (US)
- The University of Sydney (AU)
- Université de Bordeaux (FR)
- The University of Queensland (AU)
- The University of Melbourne (AU)
- Walter and Eliza Hall Institute of Medical Research (AU)
- QIMR Berghofer Medical Research Institute (AU)
- Royal Brisbane and Women's Hospital (AU)
- Angkor Hospital for Children (KH)
- Taronga Conservation Society Australia (AU)
- Charles Darwin University (AU)
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR)
- Biologie du Fruit et Pathologie (FR)
- Sabah Environmental Trust (MY)
- Mikroelektronika (Czechia) (CZ)
- Mahidol Oxford Tropical Medicine Research Unit (TH)
- Subang Jaya Medical Centre (MY)
- University of Otago (NZ)
Publication Details
- Journal
- Virus Evolution
- Published
- 2026-05-22
- DOI
- https://doi.org/10.1093/ve/veag031
- Primary Topic
- Malaria Research and Control
- Type
- article
- Field-Weighted Citation Impact
- 0.00