Researchers Identified New Bat Coronavirus Species
Scientists sequenced seven viral genomes from bats in Brazil to expand the map of known coronaviruses.
Updated on Sept. 24, 2026 in Life Sciences
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Researchers have identified two novel bat-coronavirus subgenera and two potential new species in Brazil. The discovery was made by sequencing genomes from bats found in the Atlantic Forest and Caatinga biomes.
Why it matters
The study was launched to address the significant scarcity of complete viral genomes from South America. By documenting these lineages, scientists can better understand the host-associated structuring and biogeographical partitioning of coronaviruses.
The team recovered seven complete or near-complete genomes using metatranscriptomic sequencing. These include a new lineage with a 76.7% mean amino acid similarity and a Betacoronavirus genome showing 75.9% mean amino acid similarity.
The details
The research team conducted phylogenetic and comparative similarity analyses on conserved replicase domains to classify the viruses. Two new subgenera, named Phyllacovirus and Phyllobecovirus, were identified alongside a sister lineage to the existing Amalacovirus group.
Timeline
September 24, 2026: The study was published online.
The Big Picture
This research follows the cataloging patterns set by the Global Virome Project by identifying viral diversity in previously under-sampled regions. The findings shift the theoretical understanding of coronavirus biogeographical partitioning by filling a critical data gap in South America.
While this study focuses on viral classification, it builds the foundational knowledge necessary for identifying future pathogens. These findings contribute to the long-term development of more accurate diagnostic tools and pandemic preparedness strategies.
The takeaway
Understanding the diversity of bat-borne viruses is a crucial step in mapping the global virome. Researchers recommend that continued surveillance in diverse biomes is essential to tracking how viruses evolve within different host populations.
Further reading
For more on evolving research in this field, see Life Sciences.
More information
Access the full findings and technical methodology in the scientific study full text.
Source note: This article includes information reported by Biorxiv.
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