ArticleAnimal microbiome2026
Geographic and cross-species transmission of Mamastroviruses from multiple hosts.
Article in Animal microbiome, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAstroviruses (AstVs) are single-stranded RNA viruses belonging to the family Astroviridae, which comprises two genera: Mamastrovirus (MaAstV) and Avastrovirus. These viruses circulate globally and infect multiple hosts, enabling cross-species transmission that poses significant risks to both humans and animals. In this study, we comprehensively analyze the evolution, global geographic transmission, and cross-species transmission of MaAstVs.
resultsOur analysis reveals that a broad distribution and diverse host range for AstVs, with a noticeable decline in detection after 2017. Phylogenetic analyses uncover complex relationships, suggesting potential host spillover events. The evolutionary rates of different MaAstVs vary. Most MaAstVs exhibited a decreasing trend in effective population size, with minor fluctuations observed in a few instances. Furthermore, our global transmission analysis demonstrates the spread of MaAstVs across Asia, Europe, the Americas, Africa, and Oceania, identifying specific countries as key nodes within the transmission network. Analyses of cross-species transmission in Groups 1, 2, and 3 reveal distinct ancestral origins and trace the cross-species transmission history of MaAstVs among domestic animals, humans, companion animals, and wildlife.
conclusionsThis study offers a detailed examination of the evolution, global transmission, and cross-species transmission of MaAstVs across multiple hosts. Our findings provide valuable insights into their circulation across species and regions, as well as their evolutionary dynamics.
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